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1 | package DBIx::Class::Schema::Loader::DBI::SQLAnywhere; |
2 | |
3 | use strict; |
4 | use warnings; |
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5 | use Class::C3; |
6 | use base qw/ |
7 | DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault |
8 | DBIx::Class::Schema::Loader::DBI |
9 | /; |
10 | use Carp::Clan qw/^DBIx::Class/; |
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11 | |
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12 | our $VERSION = '0.07000'; |
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13 | |
14 | =head1 NAME |
15 | |
16 | DBIx::Class::Schema::Loader::DBI::SQLAnywhere - DBIx::Class::Schema::Loader::DBI |
17 | SQL Anywhere Implementation. |
18 | |
19 | =head1 DESCRIPTION |
20 | |
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21 | See L<DBIx::Class::Schema::Loader> and L<DBIx::Class::Schema::Loader::Base>. |
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22 | |
23 | =cut |
24 | |
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25 | sub _setup { |
26 | my $self = shift; |
27 | |
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28 | $self->next::method(@_); |
29 | |
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30 | $self->{db_schema} ||= |
31 | ($self->schema->storage->dbh->selectrow_array('select user'))[0]; |
32 | } |
33 | |
34 | sub _tables_list { |
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35 | my ($self, $opts) = @_; |
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36 | |
37 | my $dbh = $self->schema->storage->dbh; |
38 | my $sth = $dbh->prepare(<<'EOF'); |
39 | select t.table_name from systab t |
40 | join sysuser u on u.user_id = t.creator |
41 | where u.user_name = ? |
42 | EOF |
43 | $sth->execute($self->db_schema); |
44 | |
45 | my @tables = map @$_, @{ $sth->fetchall_arrayref }; |
46 | |
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47 | return $self->_filter_tables(\@tables, $opts); |
d6a0cc27 |
48 | } |
49 | |
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50 | sub _columns_info_for { |
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51 | my $self = shift; |
52 | my ($table) = @_; |
53 | |
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54 | my $result = $self->next::method(@_); |
55 | |
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56 | my $dbh = $self->schema->storage->dbh; |
57 | |
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58 | while (my ($col, $info) = each %$result) { |
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59 | my $def = $info->{default_value}; |
60 | if (ref $def eq 'SCALAR' && $$def eq 'autoincrement') { |
61 | delete $info->{default_value}; |
62 | $info->{is_auto_increment} = 1; |
63 | } |
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64 | |
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65 | my ($user_type) = $dbh->selectrow_array(<<'EOF', {}, $table, $col); |
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66 | SELECT ut.type_name |
67 | FROM systabcol tc |
68 | JOIN systab t ON tc.table_id = t.table_id |
69 | JOIN sysusertype ut on tc.user_type = ut.type_id |
70 | WHERE t.table_name = ? AND lower(tc.column_name) = ? |
71 | EOF |
72 | $info->{data_type} = $user_type if defined $user_type; |
73 | |
74 | if ($info->{data_type} eq 'double') { |
75 | $info->{data_type} = 'double precision'; |
76 | } |
77 | |
78 | if ($info->{data_type} =~ /^(?:char|varchar|binary|varbinary)\z/ && ref($info->{size}) eq 'ARRAY') { |
79 | $info->{size} = $info->{size}[0]; |
80 | } |
81 | elsif ($info->{data_type} !~ /^(?:char|varchar|binary|varbinary|numeric|decimal)\z/) { |
82 | delete $info->{size}; |
83 | } |
84 | |
85 | my $sth = $dbh->prepare(<<'EOF'); |
86 | SELECT tc.width, tc.scale |
87 | FROM systabcol tc |
88 | JOIN systab t ON t.table_id = tc.table_id |
dd87d4c4 |
89 | WHERE t.table_name = ? AND tc.column_name = ? |
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90 | EOF |
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91 | $sth->execute($table, $col); |
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92 | my ($width, $scale) = $sth->fetchrow_array; |
93 | $sth->finish; |
94 | |
95 | if ($info->{data_type} =~ /^(?:numeric|decimal)\z/) { |
96 | # We do not check for the default precision/scale, because they can be changed as PUBLIC database options. |
97 | $info->{size} = [$width, $scale]; |
98 | } |
99 | elsif ($info->{data_type} =~ /^(?:n(?:varchar|char) | varbit)\z/x) { |
100 | $info->{size} = $width; |
101 | } |
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102 | elsif ($info->{data_type} eq 'float') { |
103 | $info->{data_type} = 'real'; |
104 | } |
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105 | |
106 | delete $info->{default_value} if ref($info->{default_value}) eq 'SCALAR' && ${ $info->{default_value} } eq 'NULL'; |
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107 | |
108 | if (eval { lc ${ $info->{default_value} } }||'' eq 'current timestamp') { |
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109 | ${ $info->{default_value} } = 'current_timestamp'; |
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110 | } |
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111 | } |
112 | |
113 | return $result; |
114 | } |
115 | |
116 | sub _table_pk_info { |
117 | my ($self, $table) = @_; |
118 | my $dbh = $self->schema->storage->dbh; |
119 | local $dbh->{FetchHashKeyName} = 'NAME_lc'; |
120 | my $sth = $dbh->prepare(qq{sp_pkeys ?}); |
121 | $sth->execute($table); |
122 | |
123 | my @keydata; |
124 | |
125 | while (my $row = $sth->fetchrow_hashref) { |
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126 | push @keydata, $self->_lc($row->{column_name}); |
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127 | } |
128 | |
129 | return \@keydata; |
130 | } |
131 | |
132 | sub _table_fk_info { |
133 | my ($self, $table) = @_; |
134 | |
135 | my ($local_cols, $remote_cols, $remote_table, @rels); |
136 | my $dbh = $self->schema->storage->dbh; |
137 | my $sth = $dbh->prepare(<<'EOF'); |
138 | select fki.index_name fk_name, fktc.column_name local_column, pkt.table_name remote_table, pktc.column_name remote_column |
139 | from sysfkey fk |
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140 | join systab pkt on fk.primary_table_id = pkt.table_id |
141 | join systab fkt on fk.foreign_table_id = fkt.table_id |
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142 | join sysidx pki on fk.primary_table_id = pki.table_id and fk.primary_index_id = pki.index_id |
143 | join sysidx fki on fk.foreign_table_id = fki.table_id and fk.foreign_index_id = fki.index_id |
144 | join sysidxcol fkic on fkt.table_id = fkic.table_id and fki.index_id = fkic.index_id |
145 | join systabcol pktc on pkt.table_id = pktc.table_id and fkic.primary_column_id = pktc.column_id |
146 | join systabcol fktc on fkt.table_id = fktc.table_id and fkic.column_id = fktc.column_id |
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147 | where fkt.table_name = ? |
148 | EOF |
149 | $sth->execute($table); |
150 | |
151 | while (my ($fk, $local_col, $remote_tab, $remote_col) = $sth->fetchrow_array) { |
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152 | push @{$local_cols->{$fk}}, $self->_lc($local_col); |
153 | push @{$remote_cols->{$fk}}, $self->_lc($remote_col); |
154 | $remote_table->{$fk} = $remote_tab; |
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155 | } |
156 | |
157 | foreach my $fk (keys %$remote_table) { |
158 | push @rels, { |
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159 | local_columns => $local_cols->{$fk}, |
160 | remote_columns => $remote_cols->{$fk}, |
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161 | remote_table => $remote_table->{$fk}, |
162 | }; |
163 | } |
164 | return \@rels; |
165 | } |
166 | |
167 | sub _table_uniq_info { |
168 | my ($self, $table) = @_; |
169 | |
170 | my $dbh = $self->schema->storage->dbh; |
171 | my $sth = $dbh->prepare(<<'EOF'); |
172 | select c.constraint_name, tc.column_name |
173 | from sysconstraint c |
174 | join systab t on c.table_object_id = t.object_id |
175 | join sysidx i on c.ref_object_id = i.object_id |
176 | join sysidxcol ic on i.table_id = ic.table_id and i.index_id = ic.index_id |
177 | join systabcol tc on ic.table_id = tc.table_id and ic.column_id = tc.column_id |
178 | where c.constraint_type = 'U' and t.table_name = ? |
179 | EOF |
180 | $sth->execute($table); |
181 | |
182 | my $constraints; |
183 | while (my ($constraint_name, $column) = $sth->fetchrow_array) { |
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184 | push @{$constraints->{$constraint_name}}, $self->_lc($column); |
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185 | } |
186 | |
187 | my @uniqs = map { [ $_ => $constraints->{$_} ] } keys %$constraints; |
188 | return \@uniqs; |
189 | } |
190 | |
191 | =head1 SEE ALSO |
192 | |
193 | L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>, |
194 | L<DBIx::Class::Schema::Loader::DBI> |
195 | |
196 | =head1 AUTHOR |
197 | |
198 | See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>. |
199 | |
200 | =head1 LICENSE |
201 | |
202 | This library is free software; you can redistribute it and/or modify it under |
203 | the same terms as Perl itself. |
204 | |
205 | =cut |
206 | |
207 | 1; |
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208 | # vim:et sw=4 sts=4 tw=0: |