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1 | package DBIx::Class::Schema::Loader::DBI::Oracle; |
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2 | |
3 | use strict; |
4 | use warnings; |
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5 | use base qw/ |
6 | DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault |
7 | DBIx::Class::Schema::Loader::DBI |
8 | /; |
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9 | use mro 'c3'; |
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10 | |
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11 | our $VERSION = '0.07011'; |
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12 | |
13 | =head1 NAME |
14 | |
15 | DBIx::Class::Schema::Loader::DBI::Oracle - DBIx::Class::Schema::Loader::DBI |
16 | Oracle Implementation. |
17 | |
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18 | =head1 DESCRIPTION |
19 | |
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20 | See L<DBIx::Class::Schema::Loader> and L<DBIx::Class::Schema::Loader::Base>. |
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21 | |
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22 | =cut |
23 | |
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24 | sub _setup { |
25 | my $self = shift; |
26 | |
27 | $self->next::method(@_); |
28 | |
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29 | my ($current_schema) = $self->dbh->selectrow_array('SELECT USER FROM DUAL'); |
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30 | |
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31 | $self->db_schema([ $current_schema ]) unless $self->db_schema; |
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32 | |
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33 | if (@{ $self->db_schema } == 1 && $self->db_schema->[0] ne '%' |
34 | && lc($self->db_schema->[0]) ne lc($current_schema)) { |
35 | $self->dbh->do('ALTER SESSION SET current_schema=' . $self->db_schema->[0]); |
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36 | } |
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37 | |
38 | if (not defined $self->preserve_case) { |
39 | $self->preserve_case(0); |
40 | } |
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41 | elsif ($self->preserve_case) { |
c930f78b |
42 | $self->schema->storage->sql_maker->quote_char('"'); |
43 | $self->schema->storage->sql_maker->name_sep('.'); |
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44 | } |
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45 | } |
46 | |
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47 | sub _build_name_sep { '.' } |
48 | |
49 | sub _system_schemas { |
50 | my $self = shift; |
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51 | |
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52 | # From http://www.adp-gmbh.ch/ora/misc/known_schemas.html |
53 | |
54 | return ($self->next::method(@_), qw/ANONYMOUS APEX_PUBLIC_USER APEX_030200 APPQOSSYS CTXSYS DBSNMP DIP DMSYS EXFSYS LBACSYS MDDATA MDSYS MGMT_VIEW OLAPSYS ORACLE_OCM ORDDATA ORDPLUGINS ORDSYS OUTLN SI_INFORMTN_SCHEMA SPATIAL_CSW_ADMIN_USR SPATIAL_WFS_ADMIN_USR SYS SYSMAN SYSTEM TRACESRV MTSSYS OASPUBLIC OWBSYS OWBSYS_AUDIT WEBSYS WK_PROXY WKSYS WK_TEST WMSYS XDB OSE$HTTP$ADMIN AURORA$JIS$UTILITY$ AURORA$ORB$UNAUTHENTICATED/, qr/^FLOWS_\d\d\d\d\d\d\z/); |
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55 | } |
56 | |
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57 | sub _system_tables { |
58 | my $self = shift; |
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59 | |
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60 | return ($self->next::method(@_), 'PLAN_TABLE'); |
61 | } |
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62 | |
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63 | sub _dbh_tables { |
64 | my ($self, $schema) = @_; |
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65 | |
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66 | return $self->dbh->tables(undef, $schema, '%', 'TABLE,VIEW'); |
67 | } |
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68 | |
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69 | sub _filter_tables { |
70 | my $self = shift; |
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71 | |
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72 | # silence a warning from older DBD::Oracles in tests |
73 | my $warn_handler = $SIG{__WARN__} || sub { warn @_ }; |
74 | local $SIG{__WARN__} = sub { |
75 | $warn_handler->(@_) |
76 | unless $_[0] =~ /^Field \d+ has an Oracle type \(\d+\) which is not explicitly supported/; |
77 | }; |
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78 | |
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79 | return $self->next::method(@_); |
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80 | } |
81 | |
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82 | sub _table_columns { |
83 | my ($self, $table) = @_; |
84 | |
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85 | my $sth = $self->dbh->column_info(undef, $table->schema, $table, '%'); |
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86 | |
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87 | return [ map $self->_lc($_->{COLUMN_NAME}), @{ $sth->fetchall_arrayref({ COLUMN_NAME => 1 }) || [] } ]; |
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88 | } |
89 | |
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90 | sub _table_uniq_info { |
91 | my ($self, $table) = @_; |
92 | |
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93 | my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1); |
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94 | SELECT ac.constraint_name, acc.column_name |
95 | FROM all_constraints ac, all_cons_columns acc |
96 | WHERE acc.table_name=? AND acc.owner = ? |
97 | AND ac.table_name = acc.table_name AND ac.owner = acc.owner |
98 | AND acc.constraint_name = ac.constraint_name |
99 | AND ac.constraint_type='U' |
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100 | ORDER BY acc.position |
101 | EOF |
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102 | |
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103 | $sth->execute($table->name, $table->schema); |
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104 | |
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105 | my %constr_names; |
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106 | |
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107 | while(my $constr = $sth->fetchrow_arrayref) { |
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108 | my $constr_name = $self->_lc($constr->[0]); |
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109 | my $constr_col = $self->_lc($constr->[1]); |
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110 | push @{$constr_names{$constr_name}}, $constr_col; |
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111 | } |
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112 | |
113 | my @uniqs = map { [ $_ => $constr_names{$_} ] } keys %constr_names; |
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114 | return \@uniqs; |
115 | } |
116 | |
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117 | sub _table_comment { |
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118 | my $self = shift; |
119 | my ($table) = @_; |
120 | |
121 | my $table_comment = $self->next::method(@_); |
122 | |
123 | return $table_comment if $table_comment; |
124 | |
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125 | ($table_comment) = $self->dbh->selectrow_array(<<'EOF', {}, $table->schema, $table->name); |
126 | SELECT comments FROM all_tab_comments |
127 | WHERE owner = ? |
128 | AND table_name = ? |
129 | AND (table_type = 'TABLE' OR table_type = 'VIEW') |
130 | EOF |
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131 | |
132 | return $table_comment |
133 | } |
134 | |
135 | sub _column_comment { |
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136 | my $self = shift; |
137 | my ($table, $column_number, $column_name) = @_; |
138 | |
139 | my $column_comment = $self->next::method(@_); |
140 | |
141 | return $column_comment if $column_comment; |
142 | |
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143 | ($column_comment) = $self->dbh->selectrow_array(<<'EOF', {}, $table->schema, $table->name, $self->_uc($column_name)); |
144 | SELECT comments FROM all_col_comments |
145 | WHERE owner = ? |
146 | AND table_name = ? |
147 | AND column_name = ? |
148 | EOF |
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149 | |
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150 | return $column_comment |
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151 | } |
152 | |
153 | sub _columns_info_for { |
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154 | my $self = shift; |
155 | my ($table) = @_; |
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156 | |
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157 | my $result = $self->next::method(@_); |
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158 | |
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159 | local $self->dbh->{LongReadLen} = 100000; |
160 | local $self->dbh->{LongTruncOk} = 1; |
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161 | |
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162 | my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1); |
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163 | SELECT trigger_body |
164 | FROM all_triggers |
165 | WHERE table_name = ? AND table_owner = ? |
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166 | AND upper(trigger_type) LIKE '%BEFORE EACH ROW%' AND lower(triggering_event) LIKE '%insert%' |
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167 | EOF |
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168 | |
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169 | $sth->execute($table->name, $table->schema); |
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170 | |
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171 | while (my ($trigger_body) = $sth->fetchrow_array) { |
172 | if (my ($seq_schema, $seq_name) = $trigger_body =~ /(?:\."?(\w+)"?)?"?(\w+)"?\.nextval/i) { |
173 | if (my ($col_name) = $trigger_body =~ /:new\.(\w+)/i) { |
174 | $col_name = $self->_lc($col_name); |
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175 | |
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176 | $result->{$col_name}{is_auto_increment} = 1; |
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177 | |
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178 | $seq_schema = $self->_lc($seq_schema || $table->schema); |
179 | $seq_name = $self->_lc($seq_name); |
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180 | |
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181 | $result->{$col_name}{sequence} = ($self->qualify_objects ? ($seq_schema . '.') : '') . $seq_name; |
182 | } |
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183 | } |
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184 | } |
185 | |
186 | while (my ($col, $info) = each %$result) { |
187 | no warnings 'uninitialized'; |
188 | |
189 | if ($info->{data_type} =~ /^(?:n?[cb]lob|long(?: raw)?|bfile|date|binary_(?:float|double)|rowid)\z/i) { |
190 | delete $info->{size}; |
191 | } |
192 | |
193 | if ($info->{data_type} =~ /^n(?:var)?char2?\z/i) { |
194 | $info->{size} = $info->{size} / 2; |
195 | } |
196 | elsif (lc($info->{data_type}) eq 'number') { |
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197 | $info->{original}{data_type} = 'number'; |
198 | $info->{data_type} = 'numeric'; |
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199 | |
200 | if (eval { $info->{size}[0] == 38 && $info->{size}[1] == 0 }) { |
4ea15dfe |
201 | $info->{original}{size} = $info->{size}; |
202 | |
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203 | $info->{data_type} = 'integer'; |
204 | delete $info->{size}; |
205 | } |
206 | } |
207 | elsif (my ($precision) = $info->{data_type} =~ /^timestamp\((\d+)\)(?: with (?:local )?time zone)?\z/i) { |
208 | $info->{data_type} = join ' ', $info->{data_type} =~ /[a-z]+/ig; |
209 | |
210 | if ($precision == 6) { |
211 | delete $info->{size}; |
212 | } |
213 | else { |
214 | $info->{size} = $precision; |
215 | } |
216 | } |
217 | elsif (($precision) = $info->{data_type} =~ /^interval year\((\d+)\) to month\z/i) { |
218 | $info->{data_type} = join ' ', $info->{data_type} =~ /[a-z]+/ig; |
219 | |
220 | if ($precision == 2) { |
221 | delete $info->{size}; |
222 | } |
223 | else { |
224 | $info->{size} = $precision; |
225 | } |
226 | } |
227 | elsif (my ($day_precision, $second_precision) = $info->{data_type} =~ /^interval day\((\d+)\) to second\((\d+)\)\z/i) { |
228 | $info->{data_type} = join ' ', $info->{data_type} =~ /[a-z]+/ig; |
229 | |
230 | if ($day_precision == 2 && $second_precision == 6) { |
231 | delete $info->{size}; |
232 | } |
233 | else { |
234 | $info->{size} = [ $day_precision, $second_precision ]; |
235 | } |
236 | } |
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237 | elsif (lc($info->{data_type}) eq 'float') { |
238 | $info->{original}{data_type} = 'float'; |
239 | $info->{original}{size} = $info->{size}; |
240 | |
241 | if ($info->{size} <= 63) { |
242 | $info->{data_type} = 'real'; |
243 | } |
244 | else { |
245 | $info->{data_type} = 'double precision'; |
246 | } |
247 | delete $info->{size}; |
248 | } |
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249 | elsif (lc($info->{data_type}) eq 'urowid' && $info->{size} == 4000) { |
250 | delete $info->{size}; |
251 | } |
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252 | elsif (lc($info->{data_type}) eq 'date') { |
253 | $info->{data_type} = 'datetime'; |
254 | $info->{original}{data_type} = 'date'; |
255 | } |
1c22571b |
256 | elsif (lc($info->{data_type}) eq 'binary_float') { |
257 | $info->{data_type} = 'real'; |
258 | $info->{original}{data_type} = 'binary_float'; |
259 | } |
260 | elsif (lc($info->{data_type}) eq 'binary_double') { |
261 | $info->{data_type} = 'double precision'; |
262 | $info->{original}{data_type} = 'binary_double'; |
263 | } |
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264 | |
268cc246 |
265 | if ((eval { lc(${ $info->{default_value} }) }||'') eq 'sysdate') { |
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266 | my $current_timestamp = 'current_timestamp'; |
267 | $info->{default_value} = \$current_timestamp; |
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268 | |
269 | my $sysdate = 'sysdate'; |
270 | $info->{original}{default_value} = \$sysdate; |
760fd65c |
271 | } |
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272 | } |
273 | |
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274 | return $result; |
fb328d1a |
275 | } |
276 | |
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277 | =head1 SEE ALSO |
278 | |
279 | L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>, |
280 | L<DBIx::Class::Schema::Loader::DBI> |
281 | |
282 | =head1 AUTHOR |
283 | |
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284 | See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>. |
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285 | |
be80bba7 |
286 | =head1 LICENSE |
287 | |
288 | This library is free software; you can redistribute it and/or modify it under |
289 | the same terms as Perl itself. |
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290 | |
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291 | =cut |
292 | |
293 | 1; |
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294 | # vim:et sts=4 sw=4 tw=0: |