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DBIx-Custom / DBIx-Custom-0.1711 / blib / lib / DBIx / Custom.pm /

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added common test executing ... bd35c82 Yuki Kimoto authored on 2011-08-07	1	package DBIx::Custom;
	2	use Object::Simple -base;
	3
	4	our $VERSION = '0.1711';
	5	use 5.008001;
	6
	7	use Carp 'croak';
	8	use DBI;
	9	use DBIx::Custom::Result;
	10	use DBIx::Custom::Query;
	11	use DBIx::Custom::QueryBuilder;
	12	use DBIx::Custom::Where;
	13	use DBIx::Custom::Model;
	14	use DBIx::Custom::Tag;
	15	use DBIx::Custom::Order;
	16	use DBIx::Custom::Util qw/_array_to_hash _subname/;
	17	use Encode qw/encode encode_utf8 decode_utf8/;
	18
	19	use constant DEBUG => $ENV{DBIX_CUSTOM_DEBUG} \|\| 0;
	20	use constant DEBUG_ENCODING => $ENV{DBIX_CUSTOM_DEBUG_ENCODING} \|\| 'UTF-8';
	21
	22	has [qw/connector dsn password quote user/],
	23	cache => 0,
	24	cache_method => sub {
	25	sub {
	26	my $self = shift;
	27
	28	$self->{_cached} \|\|= {};
	29
	30	if (@_ > 1) {
	31	$self->{_cached}{$_[0]} = $_[1];
	32	}
	33	else {
	34	return $self->{_cached}{$_[0]};
	35	}
	36	}
	37	},
	38	dbi_option => sub { {} },
	39	default_dbi_option => sub {
	40	{
	41	RaiseError => 1,
	42	PrintError => 0,
	43	AutoCommit => 1
	44	}
	45	},
	46	filters => sub {
	47	{
	48	encode_utf8 => sub { encode_utf8($_[0]) },
	49	decode_utf8 => sub { decode_utf8($_[0]) }
	50	}
	51	},
	52	last_sql => '',
	53	models => sub { {} },
	54	query_builder => sub { DBIx::Custom::QueryBuilder->new(dbi => shift) },
	55	result_class => 'DBIx::Custom::Result',
	56	safety_character => '\w',
	57	stash => sub { {} },
	58	tag_parse => 1;
	59
	60	our $AUTOLOAD;
	61	sub AUTOLOAD {
	62	my $self = shift;
	63
	64	# Method name
	65	my ($package, $mname) = $AUTOLOAD =~ /^([\w\:]+)\:\:(\w+)$/;
	66
	67	# Call method
	68	$self->{_methods} \|\|= {};
	69	if (my $method = $self->{_methods}->{$mname}) {
	70	return $self->$method(@_)
	71	}
	72	elsif ($self->{dbh} && (my $dbh_method = $self->dbh->can($mname))) {
	73	$self->dbh->$dbh_method(@_);
	74	}
	75	else {
	76	croak qq{Can't locate object method "$mname" via "$package" }
	77	. _subname;
	78	}
	79	}
	80
	81	sub assign_param {
	82	my ($self, $param) = @_;
	83
	84	# Create set tag
	85	my @params;
	86	my $safety = $self->safety_character;
	87	foreach my $column (sort keys %$param) {
	88	croak qq{"$column" is not safety column name } . _subname
	89	unless $column =~ /^[$safety\.]+$/;
	90	my $column_quote = $self->_q($column);
	91	$column_quote =~ s/\./$self->_q(".")/e;
	92	push @params, ref $param->{$column} eq 'SCALAR'
	93	? "$column_quote = " . ${$param->{$column}}
	94	: "$column_quote = :$column";
	95
	96	}
	97	my $tag = join(', ', @params);
	98
	99	return $tag;
	100	}
	101
	102	sub column {
	103	my $self = shift;
	104	my $option = pop if ref $_[-1] eq 'HASH';
	105	my $real_table = shift;
	106	my $columns = shift;
	107	my $table = $option->{alias} \|\| $real_table;
	108
	109	# Columns
	110	unless ($columns) {
	111	$columns \|\|= $self->model($real_table)->columns;
	112	}
	113
	114	# Separator
	115	my $separator = $self->separator;
	116
	117	# Column clause
	118	my @column;
	119	$columns \|\|= [];
	120	push @column, $self->_q($table) . "." . $self->_q($_) .
	121	" as " . $self->_q("${table}${separator}$_")
	122	for @$columns;
	123
	124	return join (', ', @column);
	125	}
	126
	127	sub connect {
	128	my $self = ref $_[0] ? shift : shift->new(@_);;
	129
	130	# Connect
	131	$self->dbh;
	132
	133	return $self;
	134	}
	135
	136	sub dbh {
	137	my $self = shift;
	138
	139	# Set
	140	if (@_) {
	141	$self->{dbh} = $_[0];
	142
	143	return $self;
	144	}
	145
	146	# Get
	147	else {
	148	# From Connction manager
	149	if (my $connector = $self->connector) {
	150	croak "connector must have dbh() method " . _subname
	151	unless ref $connector && $connector->can('dbh');
	152
	153	$self->{dbh} = $connector->dbh;
	154	}
	155
	156	# Connect
	157	$self->{dbh} \|\|= $self->_connect;
	158
	159	# Quote
	160	if (!defined $self->reserved_word_quote && !defined $self->quote) {
	161	my $driver = $self->{dbh}->{Driver}->{Name};
	162	my $quote = $driver eq 'mysql' ? '`' : '"';
	163	$self->quote($quote);
	164	}
	165
	166	return $self->{dbh};
	167	}
	168	}
	169
	170	sub delete {
	171	my ($self, %args) = @_;
	172
	173	# Arguments
	174	my $table = $args{table} \|\| '';
	175	croak qq{"table" option must be specified. } . _subname
	176	unless $table;
	177	my $where = delete $args{where} \|\| {};
	178	my $append = delete $args{append};
	179	my $allow_delete_all = delete $args{allow_delete_all};
	180	my $where_param = delete $args{where_param} \|\| {};
	181	my $id = delete $args{id};
	182	my $primary_key = delete $args{primary_key};
	183	croak "update method primary_key option " .
	184	"must be specified when id is specified " . _subname
	185	if defined $id && !defined $primary_key;
	186	$primary_key = [$primary_key] unless ref $primary_key eq 'ARRAY';
	187	my $prefix = delete $args{prefix};
	188
	189	# Where
	190	$where = $self->_create_param_from_id($id, $primary_key) if defined $id;
	191	my $where_clause = '';
	192	if (ref $where eq 'ARRAY' && !ref $where->[0]) {
	193	$where_clause = "where " . $where->[0];
	194	$where_param = $where->[1];
	195	}
	196	elsif (ref $where) {
	197	$where = $self->_where_to_obj($where);
	198	$where_param = keys %$where_param
	199	? $self->merge_param($where_param, $where->param)
	200	: $where->param;
	201
	202	# String where
	203	$where_clause = $where->to_string;
	204	}
	205	elsif ($where) { $where_clause = "where $where" }
	206	croak qq{"where" must be specified } . _subname
	207	if $where_clause eq '' && !$allow_delete_all;
	208
	209	# Delete statement
	210	my @sql;
	211	push @sql, "delete";
	212	push @sql, $prefix if defined $prefix;
	213	push @sql, "from " . $self->_q($table) . " $where_clause";
	214	push @sql, $append if defined $append;
	215	my $sql = join(' ', @sql);
	216
	217	# Execute query
	218	return $self->execute($sql, $where_param, table => $table, %args);
	219	}
	220
	221	sub delete_all { shift->delete(allow_delete_all => 1, @_) }
	222
	223	sub DESTROY { }
	224
	225	sub create_model {
	226	my $self = shift;
	227
	228	# Arguments
	229	my $args = ref $_[0] eq 'HASH' ? $_[0] : {@_};
	230	$args->{dbi} = $self;
	231	my $model_class = delete $args->{model_class} \|\| 'DBIx::Custom::Model';
	232	my $model_name = delete $args->{name};
	233	my $model_table = delete $args->{table};
	234	$model_name \|\|= $model_table;
	235
	236	# Create model
	237	my $model = $model_class->new($args);
	238	$model->name($model_name) unless $model->name;
	239	$model->table($model_table) unless $model->table;
	240
	241	# Apply filter(DEPRECATED logic)
	242	if ($model->{filter}) {
	243	my $filter = ref $model->filter eq 'HASH'
	244	? [%{$model->filter}]
	245	: $model->filter;
	246	$filter \|\|= [];
	247	warn "DBIx::Custom::Model filter method is DEPRECATED!"
	248	if @$filter;
	249	$self->_apply_filter($model->table, @$filter);
	250	}
	251
	252	# Set model
	253	$self->model($model->name, $model);
	254
	255	return $self->model($model->name);
	256	}
	257
	258	sub each_column {
	259	my ($self, $cb) = @_;
	260
	261	# Iterate all tables
	262	my $sth_tables = $self->dbh->table_info;
	263	while (my $table_info = $sth_tables->fetchrow_hashref) {
	264
	265	# Table
	266	my $table = $table_info->{TABLE_NAME};
	267
	268	# Iterate all columns
	269	my $sth_columns = $self->dbh->column_info(undef, undef, $table, '%');
	270	while (my $column_info = $sth_columns->fetchrow_hashref) {
	271	my $column = $column_info->{COLUMN_NAME};
	272	$self->$cb($table, $column, $column_info);
	273	}
	274	}
	275	}
	276
	277	sub each_table {
	278	my ($self, $cb) = @_;
	279
	280	# Iterate all tables
	281	my $sth_tables = $self->dbh->table_info;
	282	while (my $table_info = $sth_tables->fetchrow_hashref) {
	283
	284	# Table
	285	my $table = $table_info->{TABLE_NAME};
	286	$self->$cb($table, $table_info);
	287	}
	288	}
	289
	290	our %VALID_ARGS = map { $_ => 1 } qw/append allow_delete_all
	291	allow_update_all bind_type column filter id join param prefix primary_key
	292	query relation table table_alias type type_rule_off type_rule1_off
	293	type_rule2_off wrap/;
	294
	295	sub execute {
	296	my $self = shift;
	297	my $query = shift;
	298	my $param;
	299	$param = shift if @_ % 2;
	300	my %args = @_;
	301
	302	# Arguments
	303	my $p = delete $args{param} \|\| {};
	304	$param \|\|= $p;
	305	my $tables = delete $args{table} \|\| [];
	306	$tables = [$tables] unless ref $tables eq 'ARRAY';
	307	my $filter = delete $args{filter};
	308	$filter = _array_to_hash($filter);
	309	my $bind_type = delete $args{bind_type} \|\| delete $args{type};
	310	$bind_type = _array_to_hash($bind_type);
	311	my $type_rule_off = delete $args{type_rule_off};
	312	my $type_rule_off_parts = {
	313	1 => delete $args{type_rule1_off},
	314	2 => delete $args{type_rule2_off}
	315	};
	316	my $query_return = delete $args{query};
	317	my $table_alias = delete $args{table_alias} \|\| {};
	318
	319	# Check argument names
	320	foreach my $name (keys %args) {
	321	croak qq{"$name" is wrong option } . _subname
	322	unless $VALID_ARGS{$name};
	323	}
	324
	325	# Create query
	326	$query = $self->_create_query($query) unless ref $query;
	327
	328	# Save query
	329	$self->last_sql($query->sql);
	330
	331	return $query if $query_return;
	332
	333	# DEPRECATED! Merge query filter
	334	$filter \|\|= $query->{filter} \|\| {};
	335
	336	# Tables
	337	unshift @$tables, @{$query->{tables} \|\| []};
	338	my $main_table = @{$tables}[-1];
	339
	340	# DEPRECATED! Cleanup tables
	341	$tables = $self->_remove_duplicate_table($tables, $main_table)
	342	if @$tables > 1;
	343
	344	# Type rule
	345	my $type_filters = {};
	346	unless ($type_rule_off) {
	347	foreach my $i (1, 2) {
	348	unless ($type_rule_off_parts->{$i}) {
	349	$type_filters->{$i} = {};
	350	foreach my $alias (keys %$table_alias) {
	351	my $table = $table_alias->{$alias};
	352
	353	foreach my $column (keys %{$self->{"_into$i"}{key}{$table} \|\| {}}) {
	354	$type_filters->{$i}->{"$alias.$column"} = $self->{"_into$i"}{key}{$table}{$column};
	355	}
	356	}
	357	$type_filters->{$i} = {%{$type_filters->{$i}}, %{$self->{"_into$i"}{key}{$main_table} \|\| {}}}
	358	if $main_table;
	359	}
	360	}
	361	}
	362
	363	# DEPRECATED! Applied filter
	364	if ($self->{filter}{on}) {
	365	my $applied_filter = {};
	366	foreach my $table (@$tables) {
	367	$applied_filter = {
	368	%$applied_filter,
	369	%{$self->{filter}{out}->{$table} \|\| {}}
	370	}
	371	}
	372	$filter = {%$applied_filter, %$filter};
	373	}
	374
	375	# Replace filter name to code
	376	foreach my $column (keys %$filter) {
	377	my $name = $filter->{$column};
	378	if (!defined $name) {
	379	$filter->{$column} = undef;
	380	}
	381	elsif (ref $name ne 'CODE') {
	382	croak qq{Filter "$name" is not registered" } . _subname
	383	unless exists $self->filters->{$name};
	384	$filter->{$column} = $self->filters->{$name};
	385	}
	386	}
	387
	388	# Create bind values
	389	my $bind = $self->_create_bind_values(
	390	$param,
	391	$query->columns,
	392	$filter,
	393	$type_filters,
	394	$bind_type
	395	);
	396
	397	# Execute
	398	my $sth = $query->sth;
	399	my $affected;
	400	eval {
	401	for (my $i = 0; $i < @$bind; $i++) {
	402	my $bind_type = $bind->[$i]->{bind_type};
	403	$sth->bind_param(
	404	$i + 1,
	405	$bind->[$i]->{value},
	406	$bind_type ? $bind_type : ()
	407	);
	408	}
	409	$affected = $sth->execute;
	410	};
	411
	412	$self->_croak($@, qq{. Following SQL is executed.\n}
	413	. qq{$query->{sql}\n} . _subname) if $@;
	414
	415	# DEBUG message
	416	if (DEBUG) {
	417	print STDERR "SQL:\n" . $query->sql . "\n";
	418	my @output;
	419	foreach my $b (@$bind) {
	420	my $value = $b->{value};
	421	$value = 'undef' unless defined $value;
	422	$value = encode(DEBUG_ENCODING(), $value)
	423	if utf8::is_utf8($value);
	424	push @output, $value;
	425	}
	426	print STDERR "Bind values: " . join(', ', @output) . "\n\n";
	427	}
	428
	429	# Select statement
	430	if ($sth->{NUM_OF_FIELDS}) {
	431
	432	# DEPRECATED! Filter
	433	my $filter = {};
	434	if ($self->{filter}{on}) {
	435	$filter->{in} = {};
	436	$filter->{end} = {};
	437	push @$tables, $main_table if $main_table;
	438	foreach my $table (@$tables) {
	439	foreach my $way (qw/in end/) {
	440	$filter->{$way} = {
	441	%{$filter->{$way}},
	442	%{$self->{filter}{$way}{$table} \|\| {}}
	443	};
	444	}
	445	}
	446	}
	447
	448	# Result
	449	my $result = $self->result_class->new(
	450	sth => $sth,
	451	dbi => $self,
	452	default_filter => $self->{default_in_filter},
	453	filter => $filter->{in} \|\| {},
	454	end_filter => $filter->{end} \|\| {},
	455	type_rule => {
	456	from1 => $self->type_rule->{from1},
	457	from2 => $self->type_rule->{from2}
	458	},
	459	);
	460
	461	return $result;
	462	}
	463
	464	# Not select statement
	465	else { return $affected }
	466	}
	467
	468	sub insert {
	469	my $self = shift;
	470
	471	# Arguments
	472	my $param;
	473	$param = shift if @_ % 2;
	474	my %args = @_;
	475	my $table = delete $args{table};
	476	croak qq{"table" option must be specified } . _subname
	477	unless defined $table;
	478	my $p = delete $args{param} \|\| {};
	479	$param \|\|= $p;
	480	my $append = delete $args{append} \|\| '';
	481	my $id = delete $args{id};
	482	my $primary_key = delete $args{primary_key};
	483	croak "insert method primary_key option " .
	484	"must be specified when id is specified " . _subname
	485	if defined $id && !defined $primary_key;
	486	$primary_key = [$primary_key] unless ref $primary_key eq 'ARRAY';
	487	my $prefix = delete $args{prefix};
	488
	489	# Merge parameter
	490	if (defined $id) {
	491	my $id_param = $self->_create_param_from_id($id, $primary_key);
	492	$param = $self->merge_param($id_param, $param);
	493	}
	494
	495	# Insert statement
	496	my @sql;
	497	push @sql, "insert";
	498	push @sql, $prefix if defined $prefix;
	499	push @sql, "into " . $self->_q($table) . " " . $self->insert_param($param);
	500	push @sql, $append if defined $append;
	501	my $sql = join (' ', @sql);
	502
	503	# Execute query
	504	return $self->execute($sql, $param, table => $table, %args);
	505	}
	506
	507	sub insert_param {
	508	my ($self, $param) = @_;
	509
	510	# Create insert parameter tag
	511	my $safety = $self->safety_character;
	512	my @columns;
	513	my @placeholders;
	514	foreach my $column (sort keys %$param) {
	515	croak qq{"$column" is not safety column name } . _subname
	516	unless $column =~ /^[$safety\.]+$/;
	517	my $column_quote = $self->_q($column);
	518	$column_quote =~ s/\./$self->_q(".")/e;
	519	push @columns, $column_quote;
	520	push @placeholders, ref $param->{$column} eq 'SCALAR'
	521	? ${$param->{$column}} : ":$column";
	522	}
	523
	524	return '(' . join(', ', @columns) . ') ' . 'values ' .
	525	'(' . join(', ', @placeholders) . ')'
	526	}
	527
	528	sub include_model {
	529	my ($self, $name_space, $model_infos) = @_;
	530
	531	# Name space
	532	$name_space \|\|= '';
	533
	534	# Get Model infomations
	535	unless ($model_infos) {
	536
	537	# Load name space module
	538	croak qq{"$name_space" is invalid class name } . _subname
	539	if $name_space =~ /[^\w:]/;
	540	eval "use $name_space";
	541	croak qq{Name space module "$name_space.pm" is needed. $@ }
	542	. _subname
	543	if $@;
	544
	545	# Search model modules
	546	my $path = $INC{"$name_space.pm"};
	547	$path =~ s/\.pm$//;
	548	opendir my $dh, $path
	549	or croak qq{Can't open directory "$path": $! } . _subname
	550	$model_infos = [];
	551	while (my $module = readdir $dh) {
	552	push @$model_infos, $module
	553	if $module =~ s/\.pm$//;
	554	}
	555	close $dh;
	556	}
	557
	558	# Include models
	559	foreach my $model_info (@$model_infos) {
	560
	561	# Load model
	562	my $model_class;
	563	my $model_name;
	564	my $model_table;
	565	if (ref $model_info eq 'HASH') {
	566	$model_class = $model_info->{class};
	567	$model_name = $model_info->{name};
	568	$model_table = $model_info->{table};
	569
	570	$model_name \|\|= $model_class;
	571	$model_table \|\|= $model_name;
	572	}
	573	else { $model_class = $model_name = $model_table = $model_info }
	574	my $mclass = "${name_space}::$model_class";
	575	croak qq{"$mclass" is invalid class name } . _subname
	576	if $mclass =~ /[^\w:]/;
	577	unless ($mclass->can('isa')) {
	578	eval "use $mclass";
	579	croak "$@ " . _subname if $@;
	580	}
	581
	582	# Create model
	583	my $args = {};
	584	$args->{model_class} = $mclass if $mclass;
	585	$args->{name} = $model_name if $model_name;
	586	$args->{table} = $model_table if $model_table;
	587	$self->create_model($args);
	588	}
	589
	590	return $self;
	591	}
	592
	593	sub map_param {
	594	my $self = shift;
	595	my $param = shift;
	596	my %map = @_;
	597
	598	# Mapping
	599	my $map_param = {};
	600	foreach my $key (keys %map) {
	601	my $value_cb;
	602	my $condition;
	603	my $map_key;
	604
	605	# Get mapping information
	606	if (ref $map{$key} eq 'ARRAY') {
	607	foreach my $some (@{$map{$key}}) {
	608	$map_key = $some unless ref $some;
	609	$condition = $some->{if} if ref $some eq 'HASH';
	610	$value_cb = $some if ref $some eq 'CODE';
	611	}
	612	}
	613	else {
	614	$map_key = $map{$key};
	615	}
	616	$value_cb \|\|= sub { $_[0] };
	617	$condition \|\|= sub { defined $_[0] && length $_[0] };
	618
	619	# Map parameter
	620	my $value;
	621	if (ref $condition eq 'CODE') {
	622	$map_param->{$map_key} = $value_cb->($param->{$key})
	623	if $condition->($param->{$key});
	624	}
	625	elsif ($condition eq 'exists') {
	626	$map_param->{$map_key} = $value_cb->($param->{$key})
	627	if exists $param->{$key};
	628	}
	629	else { croak qq/Condition must be code reference or "exists" / . _subname }
	630	}
	631
	632	return $map_param;
	633	}
	634
	635	sub merge_param {
	636	my ($self, @params) = @_;
	637
	638	# Merge parameters
	639	my $merge = {};
	640	foreach my $param (@params) {
	641	foreach my $column (keys %$param) {
	642	my $param_is_array = ref $param->{$column} eq 'ARRAY' ? 1 : 0;
	643
	644	if (exists $merge->{$column}) {
	645	$merge->{$column} = [$merge->{$column}]
	646	unless ref $merge->{$column} eq 'ARRAY';
	647	push @{$merge->{$column}},
	648	ref $param->{$column} ? @{$param->{$column}} : $param->{$column};
	649	}
	650	else {
	651	$merge->{$column} = $param->{$column};
	652	}
	653	}
	654	}
	655
	656	return $merge;
	657	}
	658
	659	sub method {
	660	my $self = shift;
	661
	662	# Register method
	663	my $methods = ref $_[0] eq 'HASH' ? $_[0] : {@_};
	664	$self->{_methods} = {%{$self->{_methods} \|\| {}}, %$methods};
	665
	666	return $self;
	667	}
	668
	669	sub model {
	670	my ($self, $name, $model) = @_;
	671
	672	# Set model
	673	if ($model) {
	674	$self->models->{$name} = $model;
	675	return $self;
	676	}
	677
	678	# Check model existance
	679	croak qq{Model "$name" is not included } . _subname
	680	unless $self->models->{$name};
	681
	682	# Get model
	683	return $self->models->{$name};
	684	}
	685
	686	sub mycolumn {
	687	my ($self, $table, $columns) = @_;
	688
	689	# Create column clause
	690	my @column;
	691	$columns \|\|= [];
	692	push @column, $self->_q($table) . "." . $self->_q($_) .
	693	" as " . $self->_q($_)
	694	for @$columns;
	695
	696	return join (', ', @column);
	697	}
	698
	699	sub new {
	700	my $self = shift->SUPER::new(@_);
	701
	702	# Check attributes
	703	my @attrs = keys %$self;
	704	foreach my $attr (@attrs) {
	705	croak qq{"$attr" is wrong name } . _subname
	706	unless $self->can($attr);
	707	}
	708
	709	# DEPRECATED!
	710	$self->query_builder->{tags} = {
	711	'?' => \&DBIx::Custom::Tag::placeholder,
	712	'=' => \&DBIx::Custom::Tag::equal,
	713	'<>' => \&DBIx::Custom::Tag::not_equal,
	714	'>' => \&DBIx::Custom::Tag::greater_than,
	715	'<' => \&DBIx::Custom::Tag::lower_than,
	716	'>=' => \&DBIx::Custom::Tag::greater_than_equal,
	717	'<=' => \&DBIx::Custom::Tag::lower_than_equal,
	718	'like' => \&DBIx::Custom::Tag::like,
	719	'in' => \&DBIx::Custom::Tag::in,
	720	'insert_param' => \&DBIx::Custom::Tag::insert_param,
	721	'update_param' => \&DBIx::Custom::Tag::update_param
	722	};
	723
	724	return $self;
	725	}
	726
	727	sub not_exists { bless {}, 'DBIx::Custom::NotExists' }
	728
	729	sub order {
	730	my $self = shift;
	731	return DBIx::Custom::Order->new(dbi => $self, @_);
	732	}
	733
	734	sub register_filter {
	735	my $self = shift;
	736
	737	# Register filter
	738	my $filters = ref $_[0] eq 'HASH' ? $_[0] : {@_};
	739	$self->filters({%{$self->filters}, %$filters});
	740
	741	return $self;
	742	}
	743
	744	sub select {
	745	my ($self, %args) = @_;
	746
	747	# Arguments
	748	my $table = delete $args{table};
	749	my $tables = ref $table eq 'ARRAY' ? $table
	750	: defined $table ? [$table]
	751	: [];
	752	my $columns = delete $args{column};
	753	my $where = delete $args{where} \|\| {};
	754	my $append = delete $args{append};
	755	my $join = delete $args{join} \|\| [];
	756	croak qq{"join" must be array reference } . _subname
	757	unless ref $join eq 'ARRAY';
	758	my $relation = delete $args{relation};
	759	warn "select() relation option is DEPRECATED!"
	760	if $relation;
	761	my $param = delete $args{param} \|\| {}; # DEPRECATED!
	762	warn "select() param option is DEPRECATED!"
	763	if keys %$param;
	764	my $where_param = delete $args{where_param} \|\| $param \|\| {};
	765	my $wrap = delete $args{wrap};
	766	my $id = delete $args{id};
	767	my $primary_key = delete $args{primary_key};
	768	croak "update method primary_key option " .
	769	"must be specified when id is specified " . _subname
	770	if defined $id && !defined $primary_key;
	771	$primary_key = [$primary_key] unless ref $primary_key eq 'ARRAY';
	772	my $prefix = delete $args{prefix};
	773
	774	# Add relation tables(DEPRECATED!);
	775	$self->_add_relation_table($tables, $relation);
	776
	777	# Select statement
	778	my @sql;
	779	push @sql, 'select';
	780
	781	# Prefix
	782	push @sql, $prefix if defined $prefix;
	783
	784	# Column clause
	785	if ($columns) {
	786	$columns = [$columns] unless ref $columns eq 'ARRAY';
	787	foreach my $column (@$columns) {
	788	if (ref $column eq 'HASH') {
	789	$column = $self->column(%$column) if ref $column eq 'HASH';
	790	}
	791	elsif (ref $column eq 'ARRAY') {
	792	if (@$column == 3 && $column->[1] eq 'as') {
	793	warn "[COLUMN, as => ALIAS] is DEPRECATED! use [COLUMN => ALIAS]";
	794	splice @$column, 1, 1;
	795	}
	796
	797	$column = join(' ', $column->[0], 'as', $self->_q($column->[1]));
	798	}
	799	unshift @$tables, @{$self->_search_tables($column)};
	800	push @sql, ($column, ',');
	801	}
	802	pop @sql if $sql[-1] eq ',';
	803	}
	804	else { push @sql, '*' }
	805
	806	# Table
	807	push @sql, 'from';
	808	if ($relation) {
	809	my $found = {};
	810	foreach my $table (@$tables) {
	811	push @sql, ($self->_q($table), ',') unless $found->{$table};
	812	$found->{$table} = 1;
	813	}
	814	}
	815	else {
	816	my $main_table = $tables->[-1] \|\| '';
	817	push @sql, $self->_q($main_table);
	818	}
	819	pop @sql if ($sql[-1] \|\| '') eq ',';
	820	croak "Not found table name " . _subname
	821	unless $tables->[-1];
	822
	823	# Add tables in parameter
	824	unshift @$tables,
	825	@{$self->_search_tables(join(' ', keys %$where_param) \|\| '')};
	826
	827	# Where
	828	my $where_clause = '';
	829	$where = $self->_create_param_from_id($id, $primary_key) if defined $id;
	830	if (ref $where eq 'ARRAY' && !ref $where->[0]) {
	831	$where_clause = "where " . $where->[0];
	832	$where_param = $where->[1];
	833	}
	834	elsif (ref $where) {
	835	$where = $self->_where_to_obj($where);
	836	$where_param = keys %$where_param
	837	? $self->merge_param($where_param, $where->param)
	838	: $where->param;
	839
	840	# String where
	841	$where_clause = $where->to_string;
	842	}
	843	elsif ($where) { $where_clause = "where $where" }
	844
	845	# Add table names in where clause
	846	unshift @$tables, @{$self->_search_tables($where_clause)};
	847
	848	# Push join
	849	$self->_push_join(\@sql, $join, $tables);
	850
	851	# Add where clause
	852	push @sql, $where_clause;
	853
	854	# Relation(DEPRECATED!);
	855	$self->_push_relation(\@sql, $tables, $relation, $where_clause eq '' ? 1 : 0);
	856
	857	# Append
	858	push @sql, $append if defined $append;
	859
	860	# Wrap
	861	if ($wrap) {
	862	croak "wrap option must be array refrence " . _subname
	863	unless ref $wrap eq 'ARRAY';
	864	unshift @sql, $wrap->[0];
	865	push @sql, $wrap->[1];
	866	}
	867
	868	# SQL
	869	my $sql = join (' ', @sql);
	870
	871	# Execute query
	872	my $result = $self->execute($sql, $where_param, table => $tables, %args);
	873
	874	return $result;
	875	}
	876
	877	sub separator {
	878	my $self = shift;
	879
	880	if (@_) {
	881	my $separator = $_[0] \|\| '';
	882	croak qq{Separator must be "." or "__" or "-" } . _subname
	883	unless $separator eq '.' \|\| $separator eq '__'
	884	\|\| $separator eq '-';
	885
	886	$self->{separator} = $separator;
	887
	888	return $self;
	889	}
	890	return $self->{separator} \|\|= '.';
	891	}
	892
	893	sub setup_model {
	894	my $self = shift;
	895
	896	# Setup model
	897	$self->each_column(
	898	sub {
	899	my ($self, $table, $column, $column_info) = @_;
	900	if (my $model = $self->models->{$table}) {
	901	push @{$model->columns}, $column;
	902	}
	903	}
	904	);
	905	return $self;
	906	}
	907
	908	sub available_data_type {
	909	my $self = shift;
	910
	911	my $data_types = '';
	912	foreach my $i (-1000 .. 1000) {
	913	my $type_info = $self->dbh->type_info($i);
	914	my $data_type = $type_info->{DATA_TYPE};
	915	my $type_name = $type_info->{TYPE_NAME};
	916	$data_types .= "$data_type ($type_name)\n"
	917	if defined $data_type;
	918	}
	919	return "Data Type maybe equal to Type Name" unless $data_types;
	920	$data_types = "Data Type (Type name)\n" . $data_types;
	921	return $data_types;
	922	}
	923
	924	sub available_type_name {
	925	my $self = shift;
	926
	927	# Type Names
	928	my $type_names = {};
	929	$self->each_column(sub {
	930	my ($self, $table, $column, $column_info) = @_;
	931	$type_names->{$column_info->{TYPE_NAME}} = 1
	932	if $column_info->{TYPE_NAME};
	933	});
	934	my @output = sort keys %$type_names;
	935	unshift @output, "Type Name";
	936	return join "\n", @output;
	937	}
	938
	939	sub type_rule {
	940	my $self = shift;
	941
	942	if (@_) {
	943	my $type_rule = ref $_[0] eq 'HASH' ? $_[0] : {@_};
	944
	945	# Into
	946	foreach my $i (1 .. 2) {
	947	my $into = "into$i";
	948	$type_rule->{$into} = _array_to_hash($type_rule->{$into});
	949	$self->{type_rule} = $type_rule;
	950	$self->{"_$into"} = {};
	951	foreach my $type_name (keys %{$type_rule->{$into} \|\| {}}) {
	952	croak qq{type name of $into section must be lower case}
	953	if $type_name =~ /[A-Z]/;
	954	}
	955	$self->each_column(sub {
	956	my ($dbi, $table, $column, $column_info) = @_;
	957
	958	my $type_name = lc $column_info->{TYPE_NAME};
	959	if ($type_rule->{$into} &&
	960	(my $filter = $type_rule->{$into}->{$type_name}))
	961	{
	962	return unless exists $type_rule->{$into}->{$type_name};
	963	if (defined $filter && ref $filter ne 'CODE')
	964	{
	965	my $fname = $filter;
	966	croak qq{Filter "$fname" is not registered" } . _subname
	967	unless exists $self->filters->{$fname};
	968
	969	$filter = $self->filters->{$fname};
	970	}
	971
	972	$self->{"_$into"}{key}{$table}{$column} = $filter;
	973	$self->{"_$into"}{dot}{"$table.$column"} = $filter;
	974	}
	975	});
	976	}
	977
	978	# From
	979	foreach my $i (1 .. 2) {
	980	$type_rule->{"from$i"} = _array_to_hash($type_rule->{"from$i"});
	981	foreach my $data_type (keys %{$type_rule->{"from$i"} \|\| {}}) {
	982	croak qq{data type of from$i section must be lower case or number}
	983	if $data_type =~ /[A-Z]/;
	984	my $fname = $type_rule->{"from$i"}{$data_type};
	985	if (defined $fname && ref $fname ne 'CODE') {
	986	croak qq{Filter "$fname" is not registered" } . _subname
	987	unless exists $self->filters->{$fname};
	988
	989	$type_rule->{"from$i"}{$data_type} = $self->filters->{$fname};
	990	}
	991	}
	992	}
	993
	994	return $self;
	995	}
	996
	997	return $self->{type_rule} \|\| {};
	998	}
	999
	1000	sub update {
	1001	my $self = shift;
	1002
	1003	# Arguments
	1004	my $param;
	1005	$param = shift if @_ % 2;
	1006	my %args = @_;
	1007	my $table = delete $args{table} \|\| '';
	1008	croak qq{"table" option must be specified } . _subname
	1009	unless $table;
	1010	my $p = delete $args{param} \|\| {};
	1011	$param \|\|= $p;
	1012	my $where = delete $args{where} \|\| {};
	1013	my $where_param = delete $args{where_param} \|\| {};
	1014	my $append = delete $args{append} \|\| '';
	1015	my $allow_update_all = delete $args{allow_update_all};
	1016	my $id = delete $args{id};
	1017	my $primary_key = delete $args{primary_key};
	1018	croak "update method primary_key option " .
	1019	"must be specified when id is specified " . _subname
	1020	if defined $id && !defined $primary_key;
	1021	$primary_key = [$primary_key] unless ref $primary_key eq 'ARRAY';
	1022	my $prefix = delete $args{prefix};
	1023
	1024	# Update clause
	1025	my $update_clause = $self->update_param($param);
	1026
	1027	# Where
	1028	$where = $self->_create_param_from_id($id, $primary_key) if defined $id;
	1029	my $where_clause = '';
	1030	if (ref $where eq 'ARRAY' && !ref $where->[0]) {
	1031	$where_clause = "where " . $where->[0];
	1032	$where_param = $where->[1];
	1033	}
	1034	elsif (ref $where) {
	1035	$where = $self->_where_to_obj($where);
	1036	$where_param = keys %$where_param
	1037	? $self->merge_param($where_param, $where->param)
	1038	: $where->param;
	1039
	1040	# String where
	1041	$where_clause = $where->to_string;
	1042	}
	1043	elsif ($where) { $where_clause = "where $where" }
	1044	croak qq{"where" must be specified } . _subname
	1045	if "$where_clause" eq '' && !$allow_update_all;
	1046
	1047	# Merge param
	1048	$param = $self->merge_param($param, $where_param) if keys %$where_param;
	1049
	1050	# Update statement
	1051	my @sql;
	1052	push @sql, "update";
	1053	push @sql, $prefix if defined $prefix;
	1054	push @sql, $self->_q($table) . " $update_clause $where_clause";
	1055	push @sql, $append if defined $append;
	1056
	1057	# SQL
	1058	my $sql = join(' ', @sql);
	1059
	1060	# Execute query
	1061	return $self->execute($sql, $param, table => $table, %args);
	1062	}
	1063
	1064	sub update_all { shift->update(allow_update_all => 1, @_) };
	1065
	1066	sub update_param {
	1067	my ($self, $param, $opt) = @_;
	1068
	1069	# Create update parameter tag
	1070	my $tag = $self->assign_param($param);
	1071	$tag = "set $tag" unless $opt->{no_set};
	1072
	1073	return $tag;
	1074	}
	1075
	1076	sub where { DBIx::Custom::Where->new(dbi => shift, @_) }
	1077
	1078	sub _create_query {
	1079
	1080	my ($self, $source) = @_;
	1081
	1082	# Cache
	1083	my $cache = $self->cache;
	1084
	1085	# Query
	1086	my $query;
	1087
	1088	# Get cached query
	1089	if ($cache) {
	1090
	1091	# Get query
	1092	my $q = $self->cache_method->($self, $source);
	1093
	1094	# Create query
	1095	if ($q) {
	1096	$query = DBIx::Custom::Query->new($q);
	1097	$query->{filters} = $self->filters;
	1098	}
	1099	}
	1100
	1101	# Create query
	1102	unless ($query) {
	1103
	1104	# Create query
	1105	my $builder = $self->query_builder;
	1106	$query = $builder->build_query($source);
	1107
	1108	# Remove reserved word quote
	1109	if (my $q = $self->_quote) {
	1110	$q = quotemeta($q);
	1111	$_ =~ s/[$q]//g for @{$query->columns}
	1112	}
	1113
	1114	# Save query to cache
	1115	$self->cache_method->(
	1116	$self, $source,
	1117	{
	1118	sql => $query->sql,
	1119	columns => $query->columns,
	1120	tables => $query->{tables} \|\| []
	1121	}
	1122	) if $cache;
	1123	}
	1124
	1125	# Save sql
	1126	$self->last_sql($query->sql);
	1127
	1128	# Prepare statement handle
	1129	my $sth;
	1130	eval { $sth = $self->dbh->prepare($query->{sql})};
	1131
	1132	if ($@) {
	1133	$self->_croak($@, qq{. Following SQL is executed.\n}
	1134	. qq{$query->{sql}\n} . _subname);
	1135	}
	1136
	1137	# Set statement handle
	1138	$query->sth($sth);
	1139
	1140	# Set filters
	1141	$query->{filters} = $self->filters;
	1142
	1143	return $query;
	1144	}
	1145
	1146	sub _create_bind_values {
	1147	my ($self, $params, $columns, $filter, $type_filters, $bind_type) = @_;
	1148
	1149	# Create bind values
	1150	my $bind = [];
	1151	my $count = {};
	1152	my $not_exists = {};
	1153	foreach my $column (@$columns) {
	1154
	1155	# Value
	1156	my $value;
	1157	if(ref $params->{$column} eq 'ARRAY') {
	1158	my $i = $count->{$column} \|\| 0;
	1159	$i += $not_exists->{$column} \|\| 0;
	1160	my $found;
	1161	for (my $k = $i; $i < @{$params->{$column}}; $k++) {
	1162	if (ref $params->{$column}->[$k] eq 'DBIx::Custom::NotExists') {
	1163	$not_exists->{$column}++;
	1164	}
	1165	else {
	1166	$value = $params->{$column}->[$k];
	1167	$found = 1;
	1168	last
	1169	}
	1170	}
	1171	next unless $found;
	1172	}
	1173	else { $value = $params->{$column} }
	1174
	1175	# Filter
	1176	my $f = $filter->{$column} \|\| $self->{default_out_filter} \|\| '';
	1177	$value = $f->($value) if $f;
	1178
	1179	# Type rule
	1180	foreach my $i (1 .. 2) {
	1181	my $type_filter = $type_filters->{$i};
	1182	my $tf = $self->{"_into$i"}->{dot}->{$column} \|\| $type_filter->{$column};
	1183	$value = $tf->($value) if $tf;
	1184	}
	1185
	1186	# Bind values
	1187	push @$bind, {value => $value, bind_type => $bind_type->{$column}};
	1188
	1189	# Count up
	1190	$count->{$column}++;
	1191	}
	1192
	1193	return $bind;
	1194	}
	1195
	1196	sub _create_param_from_id {
	1197	my ($self, $id, $primary_keys) = @_;
	1198
	1199	# Create parameter
	1200	my $param = {};
	1201	if (defined $id) {
	1202	$id = [$id] unless ref $id;
	1203	croak qq{"id" must be constant value or array reference}
	1204	. " (" . (caller 1)[3] . ")"
	1205	unless !ref $id \|\| ref $id eq 'ARRAY';
	1206	croak qq{"id" must contain values same count as primary key}
	1207	. " (" . (caller 1)[3] . ")"
	1208	unless @$primary_keys eq @$id;
	1209	for(my $i = 0; $i < @$primary_keys; $i ++) {
	1210	$param->{$primary_keys->[$i]} = $id->[$i];
	1211	}
	1212	}
	1213
	1214	return $param;
	1215	}
	1216
	1217	sub _connect {
	1218	my $self = shift;
	1219
	1220	# Attributes
	1221	my $dsn = $self->data_source;
	1222	warn "data_source is DEPRECATED!\n"
	1223	if $dsn;
	1224	$dsn \|\|= $self->dsn;
	1225	croak qq{"dsn" must be specified } . _subname
	1226	unless $dsn;
	1227	my $user = $self->user;
	1228	my $password = $self->password;
	1229	my $dbi_option = {%{$self->dbi_options}, %{$self->dbi_option}};
	1230	warn "dbi_options is DEPRECATED! use dbi_option instead\n"
	1231	if keys %{$self->dbi_options};
	1232
	1233	# Connect
	1234	my $dbh = eval {DBI->connect(
	1235	$dsn,
	1236	$user,
	1237	$password,
	1238	{
	1239	%{$self->default_dbi_option},
	1240	%$dbi_option
	1241	}
	1242	)};
	1243
	1244	# Connect error
	1245	croak "$@ " . _subname if $@;
	1246
	1247	return $dbh;
	1248	}
	1249
	1250	sub _croak {
	1251	my ($self, $error, $append) = @_;
	1252
	1253	# Append
	1254	$append \|\|= "";
	1255
	1256	# Verbose
	1257	if ($Carp::Verbose) { croak $error }
	1258
	1259	# Not verbose
	1260	else {
	1261
	1262	# Remove line and module infromation
	1263	my $at_pos = rindex($error, ' at ');
	1264	$error = substr($error, 0, $at_pos);
	1265	$error =~ s/\s+$//;
	1266	croak "$error$append";
	1267	}
	1268	}
	1269
	1270	sub _need_tables {
	1271	my ($self, $tree, $need_tables, $tables) = @_;
	1272
	1273	# Get needed tables
	1274	foreach my $table (@$tables) {
	1275	if ($tree->{$table}) {
	1276	$need_tables->{$table} = 1;
	1277	$self->_need_tables($tree, $need_tables, [$tree->{$table}{parent}])
	1278	}
	1279	}
	1280	}
	1281
	1282	sub _push_join {
	1283	my ($self, $sql, $join, $join_tables) = @_;
	1284
	1285	# No join
	1286	return unless @$join;
	1287
	1288	# Push join clause
	1289	my $tree = {};
	1290	for (my $i = 0; $i < @$join; $i++) {
	1291
	1292	# Arrange
	1293	my $join_clause;;
	1294	my $option;
	1295	if (ref $join->[$i] eq 'HASH') {
	1296	$join_clause = $join->[$i]->{clause};
	1297	$option = {table => $join->[$i]->{table}};
	1298	}
	1299	else {
	1300	$join_clause = $join->[$i];
	1301	$option = {};
	1302	};
	1303
	1304	# Find tables in join clause
	1305	my $table1;
	1306	my $table2;
	1307	if (my $table = $option->{table}) {
	1308	$table1 = $table->[0];
	1309	$table2 = $table->[1];
	1310	}
	1311	else {
	1312	my $q = $self->_quote;
	1313	my $j_clause = (split /\s+on\s+/, $join_clause)[-1];
	1314	$j_clause =~ s/'.+?'//g;
	1315	my $q_re = quotemeta($q);
	1316	$j_clause =~ s/[$q_re]//g;
	1317	my $c = $self->safety_character;
	1318	my $join_re = qr/(?:^\|\s)($c+)\.$c+\s+=\s+($c+)\.$c+/;
	1319	if ($j_clause =~ $join_re) {
	1320	$table1 = $1;
	1321	$table2 = $2;
	1322	}
	1323	}
	1324	croak qq{join clause must have two table name after "on" keyword. } .
	1325	qq{"$join_clause" is passed } . _subname
	1326	unless defined $table1 && defined $table2;
	1327	croak qq{right side table of "$join_clause" must be unique }
	1328	. _subname
	1329	if exists $tree->{$table2};
	1330	croak qq{Same table "$table1" is specified} . _subname
	1331	if $table1 eq $table2;
	1332	$tree->{$table2}
	1333	= {position => $i, parent => $table1, join => $join_clause};
	1334	}
	1335
	1336	# Search need tables
	1337	my $need_tables = {};
	1338	$self->_need_tables($tree, $need_tables, $join_tables);
	1339	my @need_tables = sort { $tree->{$a}{position} <=> $tree->{$b}{position} } keys %$need_tables;
	1340
	1341	# Add join clause
	1342	foreach my $need_table (@need_tables) {
	1343	push @$sql, $tree->{$need_table}{join};
	1344	}
	1345	}
	1346
	1347	sub _quote {
	1348	my $self = shift;
	1349
	1350	return defined $self->reserved_word_quote ? $self->reserved_word_quote
	1351	: defined $self->quote ? $self->quote
	1352	: '';
	1353	}
	1354
	1355	sub _q {
	1356	my ($self, $value) = @_;
	1357
	1358	my $quote = $self->_quote;
	1359	my $q = substr($quote, 0, 1) \|\| '';
	1360	my $p;
	1361	if (defined $quote && length $quote > 1) {
	1362	$p = substr($quote, 1, 1);
	1363	}
	1364	else { $p = $q }
	1365
	1366	return "$q$value$p";
	1367	}
	1368
	1369	sub _remove_duplicate_table {
	1370	my ($self, $tables, $main_table) = @_;
	1371
	1372	# Remove duplicate table
	1373	my %tables = map {defined $_ ? ($_ => 1) : ()} @$tables;
	1374	delete $tables{$main_table} if $main_table;
	1375
	1376	my $new_tables = [keys %tables, $main_table ? $main_table : ()];
	1377	if (my $q = $self->_quote) {
	1378	$q = quotemeta($q);
	1379	$_ =~ s/[$q]//g for @$new_tables;
	1380	}
	1381
	1382	return $new_tables;
	1383	}
	1384
	1385	sub _search_tables {
	1386	my ($self, $source) = @_;
	1387
	1388	# Search tables
	1389	my $tables = [];
	1390	my $safety_character = $self->safety_character;
	1391	my $q = $self->_quote;
	1392	my $q_re = quotemeta($q);
	1393	my $quoted_safety_character_re = $self->_q("?([$safety_character]+)");
	1394	my $table_re = $q ? qr/(?:^\|[^$safety_character])$quoted_safety_character_re?\./
	1395	: qr/(?:^\|[^$safety_character])([$safety_character]+)\./;
	1396	while ($source =~ /$table_re/g) {
	1397	push @$tables, $1;
	1398	}
	1399
	1400	return $tables;
	1401	}
	1402
	1403	sub _where_to_obj {
	1404	my ($self, $where) = @_;
	1405
	1406	my $obj;
	1407
	1408	# Hash
	1409	if (ref $where eq 'HASH') {
	1410	my $clause = ['and'];
	1411	my $q = $self->_quote;
	1412	foreach my $column (keys %$where) {
	1413	my $column_quote = $self->_q($column);
	1414	$column_quote =~ s/\./$self->_q(".")/e;
	1415	push @$clause, "$column_quote = :$column" for keys %$where;
	1416	}
	1417	$obj = $self->where(clause => $clause, param => $where);
	1418	}
	1419
	1420	# DBIx::Custom::Where object
	1421	elsif (ref $where eq 'DBIx::Custom::Where') {
	1422	$obj = $where;
	1423	}
	1424
	1425	# Array
	1426	elsif (ref $where eq 'ARRAY') {
	1427	$obj = $self->where(
	1428	clause => $where->[0],
	1429	param => $where->[1]
	1430	);
	1431	}
	1432
	1433	# Check where argument
	1434	croak qq{"where" must be hash reference or DBIx::Custom::Where object}
	1435	. qq{or array reference, which contains where clause and parameter}
	1436	. _subname
	1437	unless ref $obj eq 'DBIx::Custom::Where';
	1438
	1439	return $obj;
	1440	}
	1441
	1442	sub _apply_filter {
	1443	my ($self, $table, @cinfos) = @_;
	1444
	1445	# Initialize filters
	1446	$self->{filter} \|\|= {};
	1447	$self->{filter}{on} = 1;
	1448	$self->{filter}{out} \|\|= {};
	1449	$self->{filter}{in} \|\|= {};
	1450	$self->{filter}{end} \|\|= {};
	1451
	1452	# Usage
	1453	my $usage = "Usage: \$dbi->apply_filter(" .
	1454	"TABLE, COLUMN1, {in => INFILTER1, out => OUTFILTER1, end => ENDFILTER1}, " .
	1455	"COLUMN2, {in => INFILTER2, out => OUTFILTER2, end => ENDFILTER2}, ...)";
	1456
	1457	# Apply filter
	1458	for (my $i = 0; $i < @cinfos; $i += 2) {
	1459
	1460	# Column
	1461	my $column = $cinfos[$i];
	1462	if (ref $column eq 'ARRAY') {
	1463	foreach my $c (@$column) {
	1464	push @cinfos, $c, $cinfos[$i + 1];
	1465	}
	1466	next;
	1467	}
	1468
	1469	# Filter infomation
	1470	my $finfo = $cinfos[$i + 1] \|\| {};
	1471	croak "$usage (table: $table) " . _subname
	1472	unless ref $finfo eq 'HASH';
	1473	foreach my $ftype (keys %$finfo) {
	1474	croak "$usage (table: $table) " . _subname
	1475	unless $ftype eq 'in' \|\| $ftype eq 'out' \|\| $ftype eq 'end';
	1476	}
	1477
	1478	# Set filters
	1479	foreach my $way (qw/in out end/) {
	1480
	1481	# Filter
	1482	my $filter = $finfo->{$way};
	1483
	1484	# Filter state
	1485	my $state = !exists $finfo->{$way} ? 'not_exists'
	1486	: !defined $filter ? 'not_defined'
	1487	: ref $filter eq 'CODE' ? 'code'
	1488	: 'name';
	1489
	1490	# Filter is not exists
	1491	next if $state eq 'not_exists';
	1492
	1493	# Check filter name
	1494	croak qq{Filter "$filter" is not registered } . _subname
	1495	if $state eq 'name'
	1496	&& ! exists $self->filters->{$filter};
	1497
	1498	# Set filter
	1499	my $f = $state eq 'not_defined' ? undef
	1500	: $state eq 'code' ? $filter
	1501	: $self->filters->{$filter};
	1502	$self->{filter}{$way}{$table}{$column} = $f;
	1503	$self->{filter}{$way}{$table}{"$table.$column"} = $f;
	1504	$self->{filter}{$way}{$table}{"${table}__$column"} = $f;
	1505	$self->{filter}{$way}{$table}{"${table}-$column"} = $f;
	1506	}
	1507	}
	1508
	1509	return $self;
	1510	}
	1511
	1512	# DEPRECATED!
	1513	sub create_query {
	1514	warn "create_query is DEPRECATED! use query option of each method";
	1515	shift->_create_query(@_);
	1516	}
	1517
	1518	# DEPRECATED!
	1519	sub apply_filter {
	1520	my $self = shift;
	1521
	1522	warn "apply_filter is DEPRECATED!";
	1523	return $self->_apply_filter(@_);
	1524	}
	1525
	1526	# DEPRECATED!
	1527	our %SELECT_AT_ARGS = (%VALID_ARGS, where => 1, primary_key => 1);
	1528	sub select_at {
	1529	my ($self, %args) = @_;
	1530
	1531	warn "select_at is DEPRECATED! use update and id option instead";
	1532
	1533	# Arguments
	1534	my $primary_keys = delete $args{primary_key};
	1535	$primary_keys = [$primary_keys] unless ref $primary_keys;
	1536	my $where = delete $args{where};
	1537	my $param = delete $args{param};
	1538
	1539	# Check arguments
	1540	foreach my $name (keys %args) {
	1541	croak qq{"$name" is wrong option } . _subname
	1542	unless $SELECT_AT_ARGS{$name};
	1543	}
	1544
	1545	# Table
	1546	croak qq{"table" option must be specified } . _subname
	1547	unless $args{table};
	1548	my $table = ref $args{table} ? $args{table}->[-1] : $args{table};
	1549
	1550	# Create where parameter
	1551	my $where_param = $self->_create_param_from_id($where, $primary_keys);
	1552
	1553	return $self->select(where => $where_param, %args);
	1554	}
	1555
	1556	# DEPRECATED!
	1557	our %DELETE_AT_ARGS = (%VALID_ARGS, where => 1, primary_key => 1);
	1558	sub delete_at {
	1559	my ($self, %args) = @_;
	1560
	1561	warn "delete_at is DEPRECATED! use update and id option instead";
	1562
	1563	# Arguments
	1564	my $primary_keys = delete $args{primary_key};
	1565	$primary_keys = [$primary_keys] unless ref $primary_keys;
	1566	my $where = delete $args{where};
	1567
	1568	# Check arguments
	1569	foreach my $name (keys %args) {
	1570	croak qq{"$name" is wrong option } . _subname
	1571	unless $DELETE_AT_ARGS{$name};
	1572	}
	1573
	1574	# Create where parameter
	1575	my $where_param = $self->_create_param_from_id($where, $primary_keys);
	1576
	1577	return $self->delete(where => $where_param, %args);
	1578	}
	1579
	1580	# DEPRECATED!
	1581	our %UPDATE_AT_ARGS = (%VALID_ARGS, where => 1, primary_key => 1);
	1582	sub update_at {
	1583	my $self = shift;
	1584
	1585	warn "update_at is DEPRECATED! use update and id option instead";
	1586
	1587	# Arguments
	1588	my $param;
	1589	$param = shift if @_ % 2;
	1590	my %args = @_;
	1591	my $primary_keys = delete $args{primary_key};
	1592	$primary_keys = [$primary_keys] unless ref $primary_keys;
	1593	my $where = delete $args{where};
	1594	my $p = delete $args{param} \|\| {};
	1595	$param \|\|= $p;
	1596
	1597	# Check arguments
	1598	foreach my $name (keys %args) {
	1599	croak qq{"$name" is wrong option } . _subname
	1600	unless $UPDATE_AT_ARGS{$name};
	1601	}
	1602
	1603	# Create where parameter
	1604	my $where_param = $self->_create_param_from_id($where, $primary_keys);
	1605
	1606	return $self->update(where => $where_param, param => $param, %args);
	1607	}
	1608
	1609	# DEPRECATED!
	1610	our %INSERT_AT_ARGS = (%VALID_ARGS, where => 1, primary_key => 1);
	1611	sub insert_at {
	1612	my $self = shift;
	1613
	1614	warn "insert_at is DEPRECATED! use insert and id option instead";
	1615
	1616	# Arguments
	1617	my $param;
	1618	$param = shift if @_ % 2;
	1619	my %args = @_;
	1620	my $primary_key = delete $args{primary_key};
	1621	$primary_key = [$primary_key] unless ref $primary_key;
	1622	my $where = delete $args{where};
	1623	my $p = delete $args{param} \|\| {};
	1624	$param \|\|= $p;
	1625
	1626	# Check arguments
	1627	foreach my $name (keys %args) {
	1628	croak qq{"$name" is wrong option } . _subname
	1629	unless $INSERT_AT_ARGS{$name};
	1630	}
	1631
	1632	# Create where parameter
	1633	my $where_param = $self->_create_param_from_id($where, $primary_key);
	1634	$param = $self->merge_param($where_param, $param);
	1635
	1636	return $self->insert(param => $param, %args);
	1637	}
	1638
	1639	# DEPRECATED!
	1640	sub register_tag {
	1641	warn "register_tag is DEPRECATED!";
	1642	shift->query_builder->register_tag(@_)
	1643	}
	1644
	1645	# DEPRECATED!
	1646	has 'data_source';
	1647	has dbi_options => sub { {} };
	1648	has filter_check => 1;
	1649	has 'reserved_word_quote';
	1650
	1651	# DEPRECATED!
	1652	sub default_bind_filter {
	1653	my $self = shift;
	1654
	1655	warn "default_bind_filter is DEPRECATED!";
	1656
	1657	if (@_) {
	1658	my $fname = $_[0];
	1659
	1660	if (@_ && !$fname) {
	1661	$self->{default_out_filter} = undef;
	1662	}
	1663	else {
	1664	croak qq{Filter "$fname" is not registered}
	1665	unless exists $self->filters->{$fname};
	1666
	1667	$self->{default_out_filter} = $self->filters->{$fname};
	1668	}
	1669	return $self;
	1670	}
	1671
	1672	return $self->{default_out_filter};
	1673	}
	1674
	1675	# DEPRECATED!
	1676	sub default_fetch_filter {
	1677	my $self = shift;
	1678
	1679	warn "default_fetch_filter is DEPRECATED!";
	1680
	1681	if (@_) {
	1682	my $fname = $_[0];
	1683
	1684	if (@_ && !$fname) {
	1685	$self->{default_in_filter} = undef;
	1686	}
	1687	else {
	1688	croak qq{Filter "$fname" is not registered}
	1689	unless exists $self->filters->{$fname};
	1690
	1691	$self->{default_in_filter} = $self->filters->{$fname};
	1692	}
	1693
	1694	return $self;
	1695	}
	1696
	1697	return $self->{default_in_filter};
	1698	}
	1699
	1700	# DEPRECATED!
	1701	sub insert_param_tag {
	1702	warn "insert_param_tag is DEPRECATED! " .
	1703	"use insert_param instead!";
	1704	return shift->insert_param(@_);
	1705	}
	1706
	1707	# DEPRECATED!
	1708	sub register_tag_processor {
	1709	warn "register_tag_processor is DEPRECATED!";
	1710	return shift->query_builder->register_tag_processor(@_);
	1711	}
	1712
	1713	# DEPRECATED!
	1714	sub update_param_tag {
	1715	warn "update_param_tag is DEPRECATED! " .
	1716	"use update_param instead";
	1717	return shift->update_param(@_);
	1718	}
	1719	# DEPRECATED!
	1720	sub _push_relation {
	1721	my ($self, $sql, $tables, $relation, $need_where) = @_;
	1722
	1723	if (keys %{$relation \|\| {}}) {
	1724	push @$sql, $need_where ? 'where' : 'and';
	1725	foreach my $rcolumn (keys %$relation) {
	1726	my $table1 = (split (/\./, $rcolumn))[0];
	1727	my $table2 = (split (/\./, $relation->{$rcolumn}))[0];
	1728	push @$tables, ($table1, $table2);
	1729	push @$sql, ("$rcolumn = " . $relation->{$rcolumn}, 'and');
	1730	}
	1731	}
	1732	pop @$sql if $sql->[-1] eq 'and';
	1733	}
	1734
	1735	# DEPRECATED!
	1736	sub _add_relation_table {
	1737	my ($self, $tables, $relation) = @_;
	1738
	1739	if (keys %{$relation \|\| {}}) {
	1740	foreach my $rcolumn (keys %$relation) {
	1741	my $table1 = (split (/\./, $rcolumn))[0];
	1742	my $table2 = (split (/\./, $relation->{$rcolumn}))[0];
	1743	my $table1_exists;
	1744	my $table2_exists;
	1745	foreach my $table (@$tables) {
	1746	$table1_exists = 1 if $table eq $table1;
	1747	$table2_exists = 1 if $table eq $table2;
	1748	}
	1749	unshift @$tables, $table1 unless $table1_exists;
	1750	unshift @$tables, $table2 unless $table2_exists;
	1751	}
	1752	}
	1753	}
	1754
	1755	1;
	1756
	1757	=head1 NAME
	1758
	1759	DBIx::Custom - Execute insert, update, delete, and select statement easily
	1760
	1761	=head1 SYNOPSYS
	1762
	1763	use DBIx::Custom;
	1764
	1765	# Connect
	1766	my $dbi = DBIx::Custom->connect(
	1767	dsn => "dbi:mysql:database=dbname",
	1768	user => 'ken',
	1769	password => '!LFKD%$&',
	1770	dbi_option => {mysql_enable_utf8 => 1}
	1771	);
	1772
	1773	# Insert
	1774	$dbi->insert({title => 'Perl', author => 'Ken'}, table => 'book');
	1775
	1776	# Update
	1777	$dbi->update({title => 'Perl', author => 'Ken'}, table => 'book',
	1778	where => {id => 5});
	1779
	1780	# Delete
	1781	$dbi->delete(table => 'book', where => {author => 'Ken'});
	1782
	1783	# Select
	1784	my $result = $dbi->select(table => 'book',
	1785	column => ['title', 'author'], where => {author => 'Ken'});
	1786
	1787	# Select, more complex
	1788	my $result = $dbi->select(
	1789	table => 'book',
	1790	column => [
	1791	{book => [qw/title author/]},
	1792	{company => ['name']}
	1793	],
	1794	where => {'book.author' => 'Ken'},
	1795	join => ['left outer join company on book.company_id = company.id'],
	1796	append => 'order by id limit 5'
	1797	);
	1798
	1799	# Fetch
	1800	while (my $row = $result->fetch) {
	1801
	1802	}
	1803
	1804	# Fetch as hash
	1805	while (my $row = $result->fetch_hash) {
	1806
	1807	}
	1808
	1809	# Execute SQL with parameter.
	1810	$dbi->execute(
	1811	"select id from book where author = :author and title like :title",
	1812	{author => 'ken', title => '%Perl%'}
	1813	);
	1814
	1815	=head1 DESCRIPTIONS
	1816
	1817	L<DBIx::Custom> is L<DBI> wrapper module to execute SQL easily.
	1818	This module have the following features.
	1819
	1820	=over 4
	1821
	1822	=item *
	1823
	1824	Execute C<insert>, C<update>, C<delete>, or C<select> statement easily
	1825
	1826	=item *
	1827
	1828	Create C<where> clause flexibly
	1829
	1830	=item *
	1831
	1832	Named place holder support
	1833
	1834	=item *
	1835
	1836	Model support
	1837
	1838	=item *
	1839
	1840	Connection manager support
	1841
	1842	=item *
	1843
	1844	Choice your favorite relational database management system,
	1845	C<MySQL>, C<SQLite>, C<PostgreSQL>, C<Oracle>,
	1846	C<Microsoft SQL Server>, C<Microsoft Access>, C<DB2> or anything,
	1847
	1848	=item *
	1849
	1850	Filtering by data type or column name(EXPERIMENTAL)
	1851
	1852	=item *
	1853
	1854	Create C<order by> clause flexibly(EXPERIMENTAL)
	1855
	1856	=back
	1857
	1858	=head1 DOCUMENTATIONS
	1859
	1860	L<DBIx::Custom::Guide> - How to use L<DBIx::Custom>
	1861
	1862	L<DBIx::Custom Wiki\|https://github.com/yuki-kimoto/DBIx-Custom/wiki>
	1863	- Theare are various examples.
	1864
	1865	Module documentations -
	1866	L<DBIx::Custom::Result>,
	1867	L<DBIx::Custom::Query>,
	1868	L<DBIx::Custom::Where>,
	1869	L<DBIx::Custom::Model>,
	1870	L<DBIx::Custom::Order>
	1871
	1872	=head1 ATTRIBUTES
	1873
	1874	=head2 C<connector>
	1875
	1876	my $connector = $dbi->connector;
	1877	$dbi = $dbi->connector($connector);
	1878
	1879	Connection manager object. if C<connector> is set, you can get C<dbh>
	1880	through connection manager. Conection manager object must have C<dbh> mehtod.
	1881
	1882	This is L<DBIx::Connector> example. Please pass
	1883	C<default_dbi_option> to L<DBIx::Connector> C<new> method.
	1884
	1885	my $connector = DBIx::Connector->new(
	1886	"dbi:mysql:database=$DATABASE",
	1887	$USER,
	1888	$PASSWORD,
	1889	DBIx::Custom->new->default_dbi_option
	1890	);
	1891
	1892	my $dbi = DBIx::Custom->connect(connector => $connector);
	1893
	1894	=head2 C<dsn>
	1895
	1896	my $dsn = $dbi->dsn;
	1897	$dbi = $dbi->dsn("DBI:mysql:database=dbname");
	1898
	1899	Data source name, used when C<connect> method is executed.
	1900
	1901	=head2 C<dbi_option>
	1902
	1903	my $dbi_option = $dbi->dbi_option;
	1904	$dbi = $dbi->dbi_option($dbi_option);
	1905
	1906	L<DBI> option, used when C<connect> method is executed.
	1907	Each value in option override the value of C<default_dbi_option>.
	1908
	1909	=head2 C<default_dbi_option>
	1910
	1911	my $default_dbi_option = $dbi->default_dbi_option;
	1912	$dbi = $dbi->default_dbi_option($default_dbi_option);
	1913
	1914	L<DBI> default option, used when C<connect> method is executed,
	1915	default to the following values.
	1916
	1917	{
	1918	RaiseError => 1,
	1919	PrintError => 0,
	1920	AutoCommit => 1,
	1921	}
	1922
	1923	=head2 C<filters>
	1924
	1925	my $filters = $dbi->filters;
	1926	$dbi = $dbi->filters(\%filters);
	1927
	1928	Filters, registered by C<register_filter> method.
	1929
	1930	=head2 C<last_sql>
	1931
	1932	my $last_sql = $dbi->last_sql;
	1933	$dbi = $dbi->last_sql($last_sql);
	1934
	1935	Get last successed SQL executed by C<execute> method.
	1936
	1937	=head2 C<models>
	1938
	1939	my $models = $dbi->models;
	1940	$dbi = $dbi->models(\%models);
	1941
	1942	Models, included by C<include_model> method.
	1943
	1944	=head2 C<password>
	1945
	1946	my $password = $dbi->password;
	1947	$dbi = $dbi->password('lkj&le`@s');
	1948
	1949	Password, used when C<connect> method is executed.
	1950
	1951	=head2 C<query_builder>
	1952
	1953	my $sql_class = $dbi->query_builder;
	1954	$dbi = $dbi->query_builder(DBIx::Custom::QueryBuilder->new);
	1955
	1956	Query builder, default to L<DBIx::Custom::QueryBuilder> object.
	1957
	1958	=head2 C<quote>
	1959
	1960	my quote = $dbi->quote;
	1961	$dbi = $dbi->quote('"');
	1962
	1963	Reserved word quote.
	1964	Default to double quote '"' except for mysql.
	1965	In mysql, default to back quote '`'
	1966
	1967	You can set quote pair.
	1968
	1969	$dbi->quote('[]');
	1970
	1971	=head2 C<result_class>
	1972
	1973	my $result_class = $dbi->result_class;
	1974	$dbi = $dbi->result_class('DBIx::Custom::Result');
	1975
	1976	Result class, default to L<DBIx::Custom::Result>.
	1977
	1978	=head2 C<safety_character>
	1979
	1980	my $safety_character = $self->safety_character;
	1981	$dbi = $self->safety_character($character);
	1982
	1983	Regex of safety character for table and column name, default to '\w'.
	1984	Note that you don't have to specify like '[\w]'.
	1985
	1986	=head2 C<tag_parse>
	1987
	1988	my $tag_parse = $dbi->tag_parse(0);
	1989	$dbi = $dbi->tag_parse;
	1990
	1991	Enable DEPRECATED tag parsing functionality, default to 1.
	1992	If you want to disable tag parsing functionality, set to 0.
	1993
	1994	=head2 C<user>
	1995
	1996	my $user = $dbi->user;
	1997	$dbi = $dbi->user('Ken');
	1998
	1999	User name, used when C<connect> method is executed.
	2000
	2001	=head1 METHODS
	2002
	2003	L<DBIx::Custom> inherits all methods from L<Object::Simple>
	2004	and use all methods of L<DBI>
	2005	and implements the following new ones.
	2006
	2007	=head2 C<available_data_type> EXPERIMENTAL
	2008
	2009	print $dbi->available_data_type;
	2010
	2011	Get available data types. You can use these data types
	2012	in C<type rule>'s C<from1> and C<from2> section.
	2013
	2014	=head2 C<available_type_name> EXPERIMENTAL
	2015
	2016	print $dbi->available_type_name;
	2017
	2018	Get available type names. You can use these type names in
	2019	C<type_rule>'s C<into1> and C<into2> section.
	2020
	2021	=head2 C<assign_param> EXPERIMENTAL
	2022
	2023	my $assign_param = $dbi->assign_param({title => 'a', age => 2});
	2024
	2025	Create assign parameter.
	2026
	2027	title = :title, author = :author
	2028
	2029	This is equal to C<update_param> exept that set is not added.
	2030
	2031	=head2 C<column>
	2032
	2033	my $column = $dbi->column(book => ['author', 'title']);
	2034
	2035	Create column clause. The follwoing column clause is created.
	2036
	2037	book.author as "book.author",
	2038	book.title as "book.title"
	2039
	2040	You can change separator by C<separator> method.
	2041
	2042	# Separator is double underbar
	2043	$dbi->separator('__');
	2044
	2045	book.author as "book__author",
	2046	book.title as "book__title"
	2047
	2048	# Separator is hyphen
	2049	$dbi->separator('-');
	2050
	2051	book.author as "book-author",
	2052	book.title as "book-title"
	2053
	2054	=head2 C<connect>
	2055
	2056	my $dbi = DBIx::Custom->connect(
	2057	dsn => "dbi:mysql:database=dbname",
	2058	user => 'ken',
	2059	password => '!LFKD%$&',
	2060	dbi_option => {mysql_enable_utf8 => 1}
	2061	);
	2062
	2063	Connect to the database and create a new L<DBIx::Custom> object.
	2064
	2065	L<DBIx::Custom> is a wrapper of L<DBI>.
	2066	C<AutoCommit> and C<RaiseError> options are true,
	2067	and C<PrintError> option is false by default.
	2068
	2069	=head2 create_model
	2070
	2071	my $model = $dbi->create_model(
	2072	table => 'book',
	2073	primary_key => 'id',
	2074	join => [
	2075	'inner join company on book.comparny_id = company.id'
	2076	],
	2077	);
	2078
	2079	Create L<DBIx::Custom::Model> object and initialize model.
	2080	the module is also used from C<model> method.
	2081
	2082	$dbi->model('book')->select(...);
	2083
	2084	=head2 C<dbh>
	2085
	2086	my $dbh = $dbi->dbh;
	2087
	2088	Get L<DBI> database handle. if C<connector> is set, you can get
	2089	database handle through C<connector> object.
	2090
	2091	=head2 C<each_column>
	2092
	2093	$dbi->each_column(
	2094	sub {
	2095	my ($dbi, $table, $column, $column_info) = @_;
	2096
	2097	my $type = $column_info->{TYPE_NAME};
	2098
	2099	if ($type eq 'DATE') {
	2100	# ...
	2101	}
	2102	}
	2103	);
	2104
	2105	Iterate all column informations of all table from database.
	2106	Argument is callback when one column is found.
	2107	Callback receive four arguments, dbi object, table name,
	2108	column name and column information.
	2109
	2110	=head2 C<each_table>
	2111
	2112	$dbi->each_table(
	2113	sub {
	2114	my ($dbi, $table, $table_info) = @_;
	2115
	2116	my $table_name = $table_info->{TABLE_NAME};
	2117	}
	2118	);
	2119
	2120	Iterate all table informationsfrom database.
	2121	Argument is callback when one table is found.
	2122	Callback receive three arguments, dbi object, table name,
	2123	table information.
	2124
	2125	=head2 C<execute>
	2126
	2127	my $result = $dbi->execute(
	2128	"select * from book where title = :title and author like :author",
	2129	{title => 'Perl', author => '%Ken%'}
	2130	);
	2131
	2132	my $result = $dbi->execute(
	2133	"select * from book where title = :book.title and author like :book.author",
	2134	{'book.title' => 'Perl', 'book.author' => '%Ken%'}
	2135	);
	2136
	2137	Execute SQL. SQL can contain column parameter such as :author and :title.
	2138	You can append table name to column name such as :book.title and :book.author.
	2139	Second argunet is data, embedded into column parameter.
	2140	Return value is L<DBIx::Custom::Result> object when select statement is executed,
	2141	or the count of affected rows when insert, update, delete statement is executed.
	2142
	2143	Named placeholder such as C<:title> is replaced by placeholder C<?>.
	2144
	2145	# Original
	2146	select * from book where title = :title and author like :author
	2147
	2148	# Replaced
	2149	select * from where title = ? and author like ?;
	2150
	2151	You can specify operator with named placeholder
	2152	by C<name{operator}> syntax.
	2153
	2154	# Original
	2155	select * from book where :title{=} and :author{like}
	2156
	2157	# Replaced
	2158	select * from where title = ? and author like ?;
	2159
	2160	Note that colons in time format such as 12:13:15 is exeption,
	2161	it is not parsed as named placeholder.
	2162	If you want to use colon generally, you must escape it by C<\\>
	2163
	2164	select * from where title = "aa\\:bb";
	2165
	2166	The following opitons are available.
	2167
	2168	=over 4
	2169
	2170	=item C<filter>
	2171
	2172	filter => {
	2173	title => sub { uc $_[0] }
	2174	author => sub { uc $_[0] }
	2175	}
	2176
	2177	# Filter name
	2178	filter => {
	2179	title => 'upper_case',
	2180	author => 'upper_case'
	2181	}
	2182
	2183	# At once
	2184	filter => [
	2185	[qw/title author/] => sub { uc $_[0] }
	2186	]
	2187
	2188	Filter. You can set subroutine or filter name
	2189	registered by by C<register_filter>.
	2190	This filter is executed before data is saved into database.
	2191	and before type rule filter is executed.
	2192
	2193	=item C<query>
	2194
	2195	query => 1
	2196
	2197	C<execute> method return L<DBIx::Custom::Query> object, not executing SQL.
	2198	You can check SQL or get statment handle.
	2199
	2200	my $sql = $query->sql;
	2201	my $sth = $query->sth;
	2202	my $columns = $query->columns;
	2203
	2204	If you want to execute SQL fast, you can do the following way.
	2205
	2206	my $query;
	2207	foreach my $row (@$rows) {
	2208	$query \|\|= $dbi->insert($row, table => 'table1', query => 1);
	2209	$dbi->execute($query, $row, filter => {ab => sub { $_[0] * 2 }});
	2210	}
	2211
	2212	Statement handle is reused and SQL parsing is finished,
	2213	so you can get more performance than normal way.
	2214
	2215	If you want to execute SQL as possible as fast and don't need filtering.
	2216	You can do the following way.
	2217
	2218	my $query;
	2219	my $sth;
	2220	foreach my $row (@$rows) {
	2221	$query \|\|= $dbi->insert($row, table => 'book', query => 1);
	2222	$sth \|\|= $query->sth;
	2223	$sth->execute(map { $row->{$_} } sort keys %$row);
	2224	}
	2225
	2226	Note that $row must be simple hash reference, such as
	2227	{title => 'Perl', author => 'Ken'}.
	2228	and don't forget to sort $row values by $row key asc order.
	2229
	2230	=item C<table>
	2231
	2232	table => 'author'
	2233
	2234	If you want to omit table name in column name
	2235	and enable C<into1> and C<into2> type filter,
	2236	You must set C<table> option.
	2237
	2238	$dbi->execute("select * from book where title = :title and author = :author",
	2239	{title => 'Perl', author => 'Ken', table => 'book');
	2240
	2241	# Same
	2242	$dbi->execute(
	2243	"select * from book where title = :book.title and author = :book.author",
	2244	{title => 'Perl', author => 'Ken');
	2245
	2246	=item C<bind_type>
	2247
	2248	Specify database bind data type.
	2249
	2250	bind_type => [image => DBI::SQL_BLOB]
	2251	bind_type => [[qw/image audio/] => DBI::SQL_BLOB]
	2252
	2253	This is used to bind parameter by C<bind_param> of statment handle.
	2254
	2255	$sth->bind_param($pos, $value, DBI::SQL_BLOB);
	2256
	2257	=item C<table_alias> EXPERIMENTAL
	2258
	2259	table_alias => {user => 'hiker'}
	2260
	2261	Table alias. Key is real table name, value is alias table name.
	2262	If you set C<table_alias>, you can enable C<into1> and C<into2> type rule
	2263	on alias table name.
	2264
	2265	=item C<type_rule_off> EXPERIMENTAL
	2266
	2267	type_rule_off => 1
	2268
	2269	Turn C<into1> and C<into2> type rule off.
	2270
	2271	=item C<type_rule1_off> EXPERIMENTAL
	2272
	2273	type_rule1_off => 1
	2274
	2275	Turn C<into1> type rule off.
	2276
	2277	=item C<type_rule2_off> EXPERIMENTAL
	2278
	2279	type_rule2_off => 1
	2280
	2281	Turn C<into2> type rule off.
	2282
	2283	=back
	2284
	2285	=head2 C<delete>
	2286
	2287	$dbi->delete(table => 'book', where => {title => 'Perl'});
	2288
	2289	Execute delete statement.
	2290
	2291	The following opitons are available.
	2292
	2293	=over 4
	2294
	2295	=item C<append>
	2296
	2297	Same as C<select> method's C<append> option.
	2298
	2299	=item C<filter>
	2300
	2301	Same as C<execute> method's C<filter> option.
	2302
	2303	=item C<id>
	2304
	2305	id => 4
	2306	id => [4, 5]
	2307
	2308	ID corresponding to C<primary_key>.
	2309	You can delete rows by C<id> and C<primary_key>.
	2310
	2311	$dbi->delete(
	2312	parimary_key => ['id1', 'id2'],
	2313	id => [4, 5],
	2314	table => 'book',
	2315	);
	2316
	2317	The above is same as the followin one.
	2318
	2319	$dbi->delete(where => {id1 => 4, id2 => 5}, table => 'book');
	2320
	2321	=item C<prefix>
	2322
	2323	prefix => 'some'
	2324
	2325	prefix before table name section.
	2326
	2327	delete some from book
	2328
	2329	=item C<query>
	2330
	2331	Same as C<execute> method's C<query> option.
	2332
	2333	=item C<table>
	2334
	2335	table => 'book'
	2336
	2337	Table name.
	2338
	2339	=item C<where>
	2340
	2341	Same as C<select> method's C<where> option.
	2342
	2343	=item C<primary_key>
	2344
	2345	See C<id> option.
	2346
	2347	=item C<bind_type>
	2348
	2349	Same as C<execute> method's C<bind_type> option.
	2350
	2351	=item C<type_rule_off> EXPERIMENTAL
	2352
	2353	Same as C<execute> method's C<type_rule_off> option.
	2354
	2355	=item C<type_rule1_off> EXPERIMENTAL
	2356
	2357	type_rule1_off => 1
	2358
	2359	Same as C<execute> method's C<type_rule1_off> option.
	2360
	2361	=item C<type_rule2_off> EXPERIMENTAL
	2362
	2363	type_rule2_off => 1
	2364
	2365	Same as C<execute> method's C<type_rule2_off> option.
	2366
	2367	=back
	2368
	2369	=head2 C<delete_all>
	2370
	2371	$dbi->delete_all(table => $table);
	2372
	2373	Execute delete statement for all rows.
	2374	Options is same as C<delete>.
	2375
	2376	=head2 C<insert>
	2377
	2378	$dbi->insert({title => 'Perl', author => 'Ken'}, table => 'book');
	2379
	2380	Execute insert statement. First argument is row data. Return value is
	2381	affected row count.
	2382
	2383	If you want to set constant value to row data, use scalar reference
	2384	as parameter value.
	2385
	2386	{date => \"NOW()"}
	2387
	2388	The following opitons are available.
	2389
	2390	=over 4
	2391
	2392	=item C<append>
	2393
	2394	Same as C<select> method's C<append> option.
	2395
	2396	=item C<filter>
	2397
	2398	Same as C<execute> method's C<filter> option.
	2399
	2400	=item C<id>
	2401
	2402	id => 4
	2403	id => [4, 5]
	2404
	2405	ID corresponding to C<primary_key>.
	2406	You can insert a row by C<id> and C<primary_key>.
	2407
	2408	$dbi->insert(
	2409	{title => 'Perl', author => 'Ken'}
	2410	parimary_key => ['id1', 'id2'],
	2411	id => [4, 5],
	2412	table => 'book'
	2413	);
	2414
	2415	The above is same as the followin one.
	2416
	2417	$dbi->insert(
	2418	{id1 => 4, id2 => 5, title => 'Perl', author => 'Ken'},
	2419	table => 'book'
	2420	);
	2421
	2422	=item C<prefix>
	2423
	2424	prefix => 'or replace'
	2425
	2426	prefix before table name section
	2427
	2428	insert or replace into book
	2429
	2430	=item C<primary_key>
	2431
	2432	primary_key => 'id'
	2433	primary_key => ['id1', 'id2']
	2434
	2435	Primary key. This is used by C<id> option.
	2436
	2437	=item C<query>
	2438
	2439	Same as C<execute> method's C<query> option.
	2440
	2441	=item C<table>
	2442
	2443	table => 'book'
	2444
	2445	Table name.
	2446
	2447	=item C<bind_type>
	2448
	2449	Same as C<execute> method's C<bind_type> option.
	2450
	2451	=item C<type_rule_off> EXPERIMENTAL
	2452
	2453	Same as C<execute> method's C<type_rule_off> option.
	2454
	2455	=item C<type_rule1_off> EXPERIMENTAL
	2456
	2457	type_rule1_off => 1
	2458
	2459	Same as C<execute> method's C<type_rule1_off> option.
	2460
	2461	=item C<type_rule2_off> EXPERIMENTAL
	2462
	2463	type_rule2_off => 1
	2464
	2465	Same as C<execute> method's C<type_rule2_off> option.
	2466
	2467	=back
	2468
	2469	=over 4
	2470
	2471	=head2 C<insert_param>
	2472
	2473	my $insert_param = $dbi->insert_param({title => 'a', age => 2});
	2474
	2475	Create insert parameters.
	2476
	2477	(title, author) values (title = :title, age = :age);
	2478
	2479	=head2 C<include_model>
	2480
	2481	$dbi->include_model('MyModel');
	2482
	2483	Include models from specified namespace,
	2484	the following layout is needed to include models.
	2485
	2486	lib / MyModel.pm
	2487	/ MyModel / book.pm
	2488	/ company.pm
	2489
	2490	Name space module, extending L<DBIx::Custom::Model>.
	2491
	2492	B<MyModel.pm>
	2493
	2494	package MyModel;
	2495	use DBIx::Custom::Model -base;
	2496
	2497	1;
	2498
	2499	Model modules, extending name space module.
	2500
	2501	B<MyModel/book.pm>
	2502
	2503	package MyModel::book;
	2504	use MyModel -base;
	2505
	2506	1;
	2507
	2508	B<MyModel/company.pm>
	2509
	2510	package MyModel::company;
	2511	use MyModel -base;
	2512
	2513	1;
	2514
	2515	MyModel::book and MyModel::company is included by C<include_model>.
	2516
	2517	You can get model object by C<model>.
	2518
	2519	my $book_model = $dbi->model('book');
	2520	my $company_model = $dbi->model('company');
	2521
	2522	See L<DBIx::Custom::Model> to know model features.
	2523
	2524	=head2 C<map_param> EXPERIMENTAL
	2525
	2526	my $map_param = $dbi->map_param(
	2527	{id => 1, authro => 'Ken', price => 1900},
	2528	'id' => 'book.id',
	2529	'author' => ['book.author' => sub { '%' . $_[0] . '%' }],
	2530	'price' => [
	2531	'book.price', {if => sub { length $_[0] }}
	2532	]
	2533	);
	2534
	2535	Map paramters to other key and value. First argument is original
	2536	parameter. this is hash reference. Rest argument is mapping.
	2537	By default, Mapping is done if the value length is not zero.
	2538
	2539	=over 4
	2540
	2541	=item Key mapping
	2542
	2543	'id' => 'book.id'
	2544
	2545	This is only key mapping. Value is same as original one.
	2546
	2547	(id => 1) is mapped to ('book.id' => 1) if value length is not zero.
	2548
	2549	=item Key and value mapping
	2550
	2551	'author' => ['book.author' => sub { '%' . $_[0] . '%' }]
	2552
	2553	This is key and value mapping. Frist element of array reference
	2554	is mapped key name, second element is code reference to map the value.
	2555
	2556	(author => 'Ken') is mapped to ('book.author' => '%Ken%')
	2557	if value length is not zero.
	2558
	2559	=item Condition
	2560
	2561	'price' => ['book.price', {if => 'exists'}]
	2562	'price' => ['book.price', sub { '%' . $_[0] . '%' }, {if => 'exists'}]
	2563	'price' => ['book.price', {if => sub { defined shift }}]
	2564
	2565	If you need condition, you can sepecify it. this is code reference
	2566	or 'exists'. By default, condition is the following one.
	2567
	2568	sub { defined $_[0] && length $_[0] }
	2569
	2570	=back
	2571
	2572	=head2 C<merge_param>
	2573
	2574	my $param = $dbi->merge_param({key1 => 1}, {key1 => 1, key2 => 2});
	2575
	2576	Merge parameters.
	2577
	2578	{key1 => [1, 1], key2 => 2}
	2579
	2580	=head2 C<method>
	2581
	2582	$dbi->method(
	2583	update_or_insert => sub {
	2584	my $self = shift;
	2585
	2586	# Process
	2587	},
	2588	find_or_create => sub {
	2589	my $self = shift;
	2590
	2591	# Process
	2592	}
	2593	);
	2594
	2595	Register method. These method is called directly from L<DBIx::Custom> object.
	2596
	2597	$dbi->update_or_insert;
	2598	$dbi->find_or_create;
	2599
	2600	=head2 C<model>
	2601
	2602	my $model = $dbi->model('book');
	2603
	2604	Get a L<DBIx::Custom::Model> object,
	2605
	2606	=head2 C<mycolumn>
	2607
	2608	my $column = $self->mycolumn(book => ['author', 'title']);
	2609
	2610	Create column clause for myself. The follwoing column clause is created.
	2611
	2612	book.author as author,
	2613	book.title as title
	2614
	2615	=head2 C<new>
	2616
	2617	my $dbi = DBIx::Custom->new(
	2618	dsn => "dbi:mysql:database=dbname",
	2619	user => 'ken',
	2620	password => '!LFKD%$&',
	2621	dbi_option => {mysql_enable_utf8 => 1}
	2622	);
	2623
	2624	Create a new L<DBIx::Custom> object.
	2625
	2626	=head2 C<not_exists>
	2627
	2628	my $not_exists = $dbi->not_exists;
	2629
	2630	DBIx::Custom::NotExists object, indicating the column is not exists.
	2631	This is used by C<clause> of L<DBIx::Custom::Where> .
	2632
	2633	=head2 C<order> EXPERIMENTAL
	2634
	2635	my $order = $dbi->order;
	2636
	2637	Create a new L<DBIx::Custom::Order> object.
	2638
	2639	=head2 C<register_filter>
	2640
	2641	$dbi->register_filter(
	2642	# Time::Piece object to database DATE format
	2643	tp_to_date => sub {
	2644	my $tp = shift;
	2645	return $tp->strftime('%Y-%m-%d');
	2646	},
	2647	# database DATE format to Time::Piece object
	2648	date_to_tp => sub {
	2649	my $date = shift;
	2650	return Time::Piece->strptime($date, '%Y-%m-%d');
	2651	}
	2652	);
	2653
	2654	Register filters, used by C<filter> option of many methods.
	2655
	2656	=head2 C<type_rule> EXPERIMENTAL
	2657
	2658	$dbi->type_rule(
	2659	into1 => {
	2660	date => sub { ... },
	2661	datetime => sub { ... }
	2662	},
	2663	into2 => {
	2664	date => sub { ... },
	2665	datetime => sub { ... }
	2666	},
	2667	from1 => {
	2668	# DATE
	2669	9 => sub { ... },
	2670	# DATETIME or TIMESTAMP
	2671	11 => sub { ... },
	2672	}
	2673	from2 => {
	2674	# DATE
	2675	9 => sub { ... },
	2676	# DATETIME or TIMESTAMP
	2677	11 => sub { ... },
	2678	}
	2679	);
	2680
	2681	Filtering rule when data is send into and get from database.
	2682	This has a little complex problem.
	2683
	2684	In C<into1> and C<into2> you can specify
	2685	type name as same as type name defined
	2686	by create table, such as C<DATETIME> or C<DATE>.
	2687
	2688	Note that type name and data type don't contain upper case.
	2689	If these contain upper case charactor, you convert it to lower case.
	2690
	2691	C<into2> is executed after C<into1>.
	2692
	2693	Type rule of C<into1> and C<into2> is enabled on the following
	2694	column name.
	2695
	2696	=over 4
	2697
	2698	=item 1. column name
	2699
	2700	issue_date
	2701	issue_datetime
	2702
	2703	This need C<table> option in each method.
	2704
	2705	=item 2. table name and column name, separator is dot
	2706
	2707	book.issue_date
	2708	book.issue_datetime
	2709
	2710	=back
	2711
	2712	You get all type name used in database by C<available_type_name>.
	2713
	2714	print $dbi->available_type_name;
	2715
	2716	In C<from1> and C<from2> you specify data type, not type name.
	2717	C<from2> is executed after C<from1>.
	2718	You get all data type by C<available_data_type>.
	2719
	2720	print $dbi->available_data_type;
	2721
	2722	You can also specify multiple types at once.
	2723
	2724	$dbi->type_rule(
	2725	into1 => [
	2726	[qw/DATE DATETIME/] => sub { ... },
	2727	],
	2728	);
	2729
	2730	=head2 C<select>
	2731
	2732	my $result = $dbi->select(
	2733	table => 'book',
	2734	column => ['author', 'title'],
	2735	where => {author => 'Ken'},
	2736	);
	2737
	2738	Execute select statement.
	2739
	2740	The following opitons are available.
	2741
	2742	=over 4
	2743
	2744	=item C<append>
	2745
	2746	append => 'order by title'
	2747
	2748	Append statement to last of SQL.
	2749
	2750	=item C<column>
	2751
	2752	column => 'author'
	2753	column => ['author', 'title']
	2754
	2755	Column clause.
	2756
	2757	if C<column> is not specified, '*' is set.
	2758
	2759	column => '*'
	2760
	2761	You can specify hash of array reference.
	2762
	2763	column => [
	2764	{book => [qw/author title/]},
	2765	{person => [qw/name age/]}
	2766	]
	2767
	2768	This is expanded to the following one by using C<colomn> method.
	2769
	2770	book.author as "book.author",
	2771	book.title as "book.title",
	2772	person.name as "person.name",
	2773	person.age as "person.age"
	2774
	2775	You can specify array of array reference, first argument is
	2776	column name, second argument is alias.
	2777
	2778	column => [
	2779	['date(book.register_datetime)' => 'book.register_date']
	2780	];
	2781
	2782	Alias is quoted properly and joined.
	2783
	2784	date(book.register_datetime) as "book.register_date"
	2785
	2786	=item C<filter>
	2787
	2788	Same as C<execute> method's C<filter> option.
	2789
	2790	=item C<id>
	2791
	2792	id => 4
	2793	id => [4, 5]
	2794
	2795	ID corresponding to C<primary_key>.
	2796	You can select rows by C<id> and C<primary_key>.
	2797
	2798	$dbi->select(
	2799	parimary_key => ['id1', 'id2'],
	2800	id => [4, 5],
	2801	table => 'book'
	2802	);
	2803
	2804	The above is same as the followin one.
	2805
	2806	$dbi->select(
	2807	where => {id1 => 4, id2 => 5},
	2808	table => 'book'
	2809	);
	2810
	2811	=item C<param> EXPERIMETNAL
	2812
	2813	param => {'table2.key3' => 5}
	2814
	2815	Parameter shown before where clause.
	2816
	2817	For example, if you want to contain tag in join clause,
	2818	you can pass parameter by C<param> option.
	2819
	2820	join => ['inner join (select * from table2 where table2.key3 = :table2.key3)' .
	2821	' as table2 on table1.key1 = table2.key1']
	2822
	2823	=itme C<prefix>
	2824
	2825	prefix => 'SQL_CALC_FOUND_ROWS'
	2826
	2827	Prefix of column cluase
	2828
	2829	select SQL_CALC_FOUND_ROWS title, author from book;
	2830
	2831	=item C<join>
	2832
	2833	join => [
	2834	'left outer join company on book.company_id = company_id',
	2835	'left outer join location on company.location_id = location.id'
	2836	]
	2837
	2838	Join clause. If column cluase or where clause contain table name like "company.name",
	2839	join clausees needed when SQL is created is used automatically.
	2840
	2841	$dbi->select(
	2842	table => 'book',
	2843	column => ['company.location_id as location_id'],
	2844	where => {'company.name' => 'Orange'},
	2845	join => [
	2846	'left outer join company on book.company_id = company.id',
	2847	'left outer join location on company.location_id = location.id'
	2848	]
	2849	);
	2850
	2851	In above select, column and where clause contain "company" table,
	2852	the following SQL is created
	2853
	2854	select company.location_id as location_id
	2855	from book
	2856	left outer join company on book.company_id = company.id
	2857	where company.name = ?;
	2858
	2859	You can specify two table by yourself. This is useful when join parser can't parse
	2860	the join clause correctly. This is EXPERIMENTAL.
	2861
	2862	$dbi->select(
	2863	table => 'book',
	2864	column => ['company.location_id as location_id'],
	2865	where => {'company.name' => 'Orange'},
	2866	join => [
	2867	{
	2868	clause => 'left outer join location on company.location_id = location.id',
	2869	table => ['company', 'location']
	2870	}
	2871	]
	2872	);
	2873
	2874	=item C<primary_key>
	2875
	2876	primary_key => 'id'
	2877	primary_key => ['id1', 'id2']
	2878
	2879	Primary key. This is used by C<id> option.
	2880
	2881	=item C<query>
	2882
	2883	Same as C<execute> method's C<query> option.
	2884
	2885	=item C<bind_type>
	2886
	2887	Same as C<execute> method's C<bind_type> option.
	2888
	2889	=item C<table>
	2890
	2891	table => 'book'
	2892
	2893	Table name.
	2894
	2895	=item C<type_rule_off> EXPERIMENTAL
	2896
	2897	Same as C<execute> method's C<type_rule_off> option.
	2898
	2899	=item C<type_rule1_off> EXPERIMENTAL
	2900
	2901	type_rule1_off => 1
	2902
	2903	Same as C<execute> method's C<type_rule1_off> option.
	2904
	2905	=item C<type_rule2_off> EXPERIMENTAL
	2906
	2907	type_rule2_off => 1
	2908
	2909	Same as C<execute> method's C<type_rule2_off> option.
	2910
	2911	=item C<where>
	2912
	2913	# Hash refrence
	2914	where => {author => 'Ken', 'title' => 'Perl'}
	2915
	2916	# DBIx::Custom::Where object
	2917	where => $dbi->where(
	2918	clause => ['and', 'author = :author', 'title like :title'],
	2919	param => {author => 'Ken', title => '%Perl%'}
	2920	);
	2921
	2922	# Array reference 1 (array reference, hash referenc). same as above
	2923	where => [
	2924	['and', 'author = :author', 'title like :title'],
	2925	{author => 'Ken', title => '%Perl%'}
	2926	];
	2927
	2928	# Array reference 2 (String, hash reference)
	2929	where => [
	2930	'title like :title',
	2931	{title => '%Perl%'}
	2932	]
	2933
	2934	# String
	2935	where => 'title is null'
	2936
	2937	Where clause.
	2938
	2939	=item C<wrap> EXPERIMENTAL
	2940
	2941	Wrap statement. This is array reference.
	2942
	2943	$dbi->select(wrap => ['select * from (', ') as t where ROWNUM < 10']);
	2944
	2945	This option is for Oracle and SQL Server paging process.
	2946
	2947	=back
	2948
	2949	=head2 C<update>
	2950
	2951	$dbi->update({title => 'Perl'}, table => 'book', where => {id => 4});
	2952
	2953	Execute update statement. First argument is update row data.
	2954
	2955	If you want to set constant value to row data, use scalar reference
	2956	as parameter value.
	2957
	2958	{date => \"NOW()"}
	2959
	2960	The following opitons are available.
	2961
	2962	=over 4
	2963
	2964	=item C<append>
	2965
	2966	Same as C<select> method's C<append> option.
	2967
	2968	=item C<filter>
	2969
	2970	Same as C<execute> method's C<filter> option.
	2971
	2972	=item C<id>
	2973
	2974	id => 4
	2975	id => [4, 5]
	2976
	2977	ID corresponding to C<primary_key>.
	2978	You can update rows by C<id> and C<primary_key>.
	2979
	2980	$dbi->update(
	2981	{title => 'Perl', author => 'Ken'}
	2982	parimary_key => ['id1', 'id2'],
	2983	id => [4, 5],
	2984	table => 'book'
	2985	);
	2986
	2987	The above is same as the followin one.
	2988
	2989	$dbi->update(
	2990	{title => 'Perl', author => 'Ken'}
	2991	where => {id1 => 4, id2 => 5},
	2992	table => 'book'
	2993	);
	2994
	2995	=item C<prefix>
	2996
	2997	prefix => 'or replace'
	2998
	2999	prefix before table name section
	3000
	3001	update or replace book
	3002
	3003	=item C<primary_key>
	3004
	3005	primary_key => 'id'
	3006	primary_key => ['id1', 'id2']
	3007
	3008	Primary key. This is used by C<id> option.
	3009
	3010	=item C<query>
	3011
	3012	Same as C<execute> method's C<query> option.
	3013
	3014	=item C<table>
	3015
	3016	table => 'book'
	3017
	3018	Table name.
	3019
	3020	=item C<where>
	3021
	3022	Same as C<select> method's C<where> option.
	3023
	3024	=item C<bind_type>
	3025
	3026	Same as C<execute> method's C<bind_type> option.
	3027
	3028	=item C<type_rule_off> EXPERIMENTAL
	3029
	3030	Same as C<execute> method's C<type_rule_off> option.
	3031
	3032	=item C<type_rule1_off> EXPERIMENTAL
	3033
	3034	type_rule1_off => 1
	3035
	3036	Same as C<execute> method's C<type_rule1_off> option.
	3037
	3038	=item C<type_rule2_off> EXPERIMENTAL
	3039
	3040	type_rule2_off => 1
	3041
	3042	Same as C<execute> method's C<type_rule2_off> option.
	3043
	3044	=back
	3045
	3046	=head2 C<update_all>
	3047
	3048	$dbi->update_all({title => 'Perl'}, table => 'book', );
	3049
	3050	Execute update statement for all rows.
	3051	Options is same as C<update> method.
	3052
	3053	=head2 C<update_param>
	3054
	3055	my $update_param = $dbi->update_param({title => 'a', age => 2});
	3056
	3057	Create update parameter tag.
	3058
	3059	set title = :title, author = :author
	3060
	3061	=head2 C<where>
	3062
	3063	my $where = $dbi->where(
	3064	clause => ['and', 'title = :title', 'author = :author'],
	3065	param => {title => 'Perl', author => 'Ken'}
	3066	);
	3067
	3068	Create a new L<DBIx::Custom::Where> object.
	3069
	3070	=head2 C<setup_model>
	3071
	3072	$dbi->setup_model;
	3073
	3074	Setup all model objects.
	3075	C<columns> of model object is automatically set, parsing database information.
	3076
	3077	=head1 ENVIRONMENT VARIABLE
	3078
	3079	=head2 C<DBIX_CUSTOM_DEBUG>
	3080
	3081	If environment variable C<DBIX_CUSTOM_DEBUG> is set to true,
	3082	executed SQL and bind values are printed to STDERR.
	3083
	3084	=head2 C<DBIX_CUSTOM_DEBUG_ENCODING>
	3085
	3086	DEBUG output encoding. Default to UTF-8.
	3087
	3088	=head1 DEPRECATED FUNCTIONALITIES
	3089
	3090	L<DBIx::Custom>
	3091
	3092	# Attribute methods
	3093	data_source # will be removed at 2017/1/1
	3094	dbi_options # will be removed at 2017/1/1
	3095	filter_check # will be removed at 2017/1/1
	3096	reserved_word_quote # will be removed at 2017/1/1
	3097	cache_method # will be removed at 2017/1/1
	3098
	3099	# Methods
	3100	create_query # will be removed at 2017/1/1
	3101	apply_filter # will be removed at 2017/1/1
	3102	select_at # will be removed at 2017/1/1
	3103	delete_at # will be removed at 2017/1/1
	3104	update_at # will be removed at 2017/1/1
	3105	insert_at # will be removed at 2017/1/1
	3106	register_tag # will be removed at 2017/1/1
	3107	default_bind_filter # will be removed at 2017/1/1
	3108	default_fetch_filter # will be removed at 2017/1/1
	3109	insert_param_tag # will be removed at 2017/1/1
	3110	register_tag_processor # will be removed at 2017/1/1
	3111	update_param_tag # will be removed at 2017/1/1
	3112
	3113	# Options
	3114	select method relation option # will be removed at 2017/1/1
	3115	select method param option # will be removed at 2017/1/1
	3116	select method column option [COLUMN, as => ALIAS] format
	3117	# will be removed at 2017/1/1
	3118
	3119	# Others
	3120	execute("select * from {= title}"); # execute method's
	3121	# tag parsing functionality
	3122	# will be removed at 2017/1/1
	3123	Query caching # will be removed at 2017/1/1
	3124
	3125	L<DBIx::Custom::Model>
	3126
	3127	# Attribute methods
	3128	filter # will be removed at 2017/1/1
	3129	name # will be removed at 2017/1/1
	3130	type # will be removed at 2017/1/1
	3131
	3132	L<DBIx::Custom::Query>
	3133
	3134	# Attribute methods
	3135	default_filter # will be removed at 2017/1/1
	3136	table # will be removed at 2017/1/1
	3137	filters # will be removed at 2017/1/1
	3138
	3139	# Methods
	3140	filter # will be removed at 2017/1/1
	3141
	3142	L<DBIx::Custom::QueryBuilder>
	3143
	3144	# Attribute methods
	3145	tags # will be removed at 2017/1/1
	3146	tag_processors # will be removed at 2017/1/1
	3147
	3148	# Methods
	3149	register_tag # will be removed at 2017/1/1
	3150	register_tag_processor # will be removed at 2017/1/1
	3151
	3152	# Others
	3153	build_query("select * from {= title}"); # tag parsing functionality
	3154	# will be removed at 2017/1/1
	3155
	3156	L<DBIx::Custom::Result>
	3157
	3158	# Attribute methods
	3159	filter_check # will be removed at 2017/1/1
	3160
	3161	# Methods
	3162	end_filter # will be removed at 2017/1/1
	3163	remove_end_filter # will be removed at 2017/1/1
	3164	remove_filter # will be removed at 2017/1/1
	3165	default_filter # will be removed at 2017/1/1
	3166
	3167	L<DBIx::Custom::Tag>
	3168
	3169	This module is DEPRECATED! # will be removed at 2017/1/1
	3170
	3171	=head1 BACKWORD COMPATIBLE POLICY
	3172
	3173	If a functionality is DEPRECATED, you can know it by DEPRECATED warnings
	3174	except for attribute method.
	3175	You can check all DEPRECATED functionalities by document.
	3176	DEPRECATED functionality is removed after five years,
	3177	but if at least one person use the functionality and tell me that thing
	3178	I extend one year each time he tell me it.
	3179
	3180	EXPERIMENTAL functionality will be changed without warnings.
	3181
	3182	This policy was changed at 2011/6/28
	3183
	3184	=head1 BUGS
	3185
	3186	Please tell me bugs if found.
	3187
	3188	C<< <kimoto.yuki at gmail.com> >>
	3189
	3190	L<http://github.com/yuki-kimoto/DBIx-Custom>
	3191
	3192	=head1 AUTHOR
	3193
	3194	Yuki Kimoto, C<< <kimoto.yuki at gmail.com> >>
	3195
	3196	=head1 COPYRIGHT & LICENSE
	3197
	3198	Copyright 2009-2011 Yuki Kimoto, all rights reserved.
	3199
	3200	This program is free software; you can redistribute it and/or modify it
	3201	under the same terms as Perl itself.
	3202
	3203	=cut