X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FSchema%2FLoader%2FDBI%2FOracle.pm;h=dd10088b7aa8fafbf50690946756dad09084c57f;hb=306bf770bf08b06f92863808b1938f2fc704acb0;hp=354963ab293414c44a9d5d44049c2e1dbf92a2de;hpb=942bd5e02cb04afd992bb66c048de6f797c2568a;p=dbsrgits%2FDBIx-Class-Schema-Loader.git diff --git a/lib/DBIx/Class/Schema/Loader/DBI/Oracle.pm b/lib/DBIx/Class/Schema/Loader/DBI/Oracle.pm index 354963a..dd10088 100644 --- a/lib/DBIx/Class/Schema/Loader/DBI/Oracle.pm +++ b/lib/DBIx/Class/Schema/Loader/DBI/Oracle.pm @@ -2,23 +2,22 @@ package DBIx::Class::Schema::Loader::DBI::Oracle; use strict; use warnings; -use base qw/ - DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault - DBIx::Class::Schema::Loader::DBI -/; -use Carp::Clan qw/^DBIx::Class/; +use base 'DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault'; use mro 'c3'; +use Try::Tiny; +use DBIx::Class::Schema::Loader::Utils qw/sigwarn_silencer/; +use namespace::clean; -our $VERSION = '0.07001'; +our $VERSION = '0.07047'; =head1 NAME -DBIx::Class::Schema::Loader::DBI::Oracle - DBIx::Class::Schema::Loader::DBI +DBIx::Class::Schema::Loader::DBI::Oracle - DBIx::Class::Schema::Loader::DBI Oracle Implementation. =head1 DESCRIPTION -See L. +See L and L. =cut @@ -27,14 +26,13 @@ sub _setup { $self->next::method(@_); - my $dbh = $self->schema->storage->dbh; + my ($current_schema) = $self->dbh->selectrow_array('SELECT USER FROM DUAL'); - my ($current_schema) = $dbh->selectrow_array('SELECT USER FROM DUAL', {}); + $self->db_schema([ $current_schema ]) unless $self->db_schema; - $self->{db_schema} ||= $current_schema; - - if (lc($self->db_schema) ne lc($current_schema)) { - $dbh->do('ALTER SESSION SET current_schema=' . $self->db_schema); + if (@{ $self->db_schema } == 1 && $self->db_schema->[0] ne '%' + && lc($self->db_schema->[0]) ne lc($current_schema)) { + $self->dbh->do('ALTER SESSION SET current_schema=' . $self->db_schema->[0]); } if (not defined $self->preserve_case) { @@ -46,148 +44,210 @@ sub _setup { } } -sub _table_as_sql { - my ($self, $table) = @_; +sub _build_name_sep { '.' } + +sub _system_schemas { + my $self = shift; + + # From http://www.adp-gmbh.ch/ora/misc/known_schemas.html - return $self->_quote_table_name($table); + 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/); } -sub _tables_list { - my ($self, $opts) = @_; +sub _system_tables { + my $self = shift; - my $dbh = $self->schema->storage->dbh; + return ($self->next::method(@_), 'PLAN_TABLE'); +} - my @tables; - for my $table ( $dbh->tables(undef, $self->db_schema, '%', 'TABLE,VIEW') ) { #catalog, schema, table, type - my $quoter = $dbh->get_info(29); - $table =~ s/$quoter//g; +sub _dbh_tables { + my ($self, $schema) = @_; - # remove "user." (schema) prefixes - $table =~ s/\w+\.//; + return $self->dbh->tables(undef, $schema, '%', 'TABLE,VIEW'); +} - next if $table eq 'PLAN_TABLE'; - $table = $self->_lc($table); - push @tables, $1 - if $table =~ /\A(\w+)\z/; - } +sub _filter_tables { + my $self = shift; - { - # silence a warning from older DBD::Oracles in tests - my $warn_handler = $SIG{__WARN__} || sub { warn @_ }; - local $SIG{__WARN__} = sub { - $warn_handler->(@_) - unless $_[0] =~ /^Field \d+ has an Oracle type \(\d+\) which is not explicitly supported/; - }; + # silence a warning from older DBD::Oracles in tests + local $SIG{__WARN__} = sigwarn_silencer( + qr/^Field \d+ has an Oracle type \(\d+\) which is not explicitly supported/ + ); - return $self->_filter_tables(\@tables, $opts); - } + return $self->next::method(@_); } -sub _table_columns { - my ($self, $table) = @_; +sub _table_fk_info { + my $self = shift; + my ($table) = @_; + + my $rels = $self->next::method(@_); - my $dbh = $self->schema->storage->dbh; + my $deferrable_sth = $self->dbh->prepare_cached(<<'EOF'); +select deferrable from all_constraints +where owner = ? and table_name = ? and constraint_name = ? and status = 'ENABLED' +EOF - my $sth = $dbh->column_info(undef, $self->db_schema, $self->_uc($table), '%'); + my @enabled_rels; + foreach my $rel (@$rels) { + # Oracle does not have update rules + $rel->{attrs}{on_update} = 'NO ACTION';; + + # DBD::Oracle's foreign_key_info does not return DEFERRABILITY, so we get it ourselves + # Also use this to filter out disabled foreign keys, which are returned by DBD::Oracle < 1.76 + my $deferrable = $self->dbh->selectrow_array( + $deferrable_sth, undef, $table->schema, $table->name, $rel->{_constraint_name} + ) or next; - return [ map $self->_lc($_->{COLUMN_NAME}), @{ $sth->fetchall_arrayref({ COLUMN_NAME => 1 }) || [] } ]; + $rel->{attrs}{is_deferrable} = $deferrable =~ /^DEFERRABLE/i ? 1 : 0; + push @enabled_rels, $rel; + } + + return \@enabled_rels; } sub _table_uniq_info { my ($self, $table) = @_; - my $dbh = $self->schema->storage->dbh; + my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1); +SELECT ac.constraint_name, acc.column_name +FROM all_constraints ac, all_cons_columns acc +WHERE acc.table_name=? AND acc.owner = ? + AND ac.table_name = acc.table_name AND ac.owner = acc.owner + AND acc.constraint_name = ac.constraint_name + AND ac.constraint_type = 'U' + AND ac.status = 'ENABLED' +ORDER BY acc.position +EOF - my $sth = $dbh->prepare_cached( - q{ - SELECT constraint_name, acc.column_name - FROM all_constraints JOIN all_cons_columns acc USING (constraint_name) - WHERE acc.table_name=? and acc.owner = ? AND constraint_type='U' - ORDER BY acc.position - }, - {}, 1); + $sth->execute($table->name, $table->schema); - $sth->execute($self->_uc($table),$self->{db_schema} ); my %constr_names; + while(my $constr = $sth->fetchrow_arrayref) { my $constr_name = $self->_lc($constr->[0]); my $constr_col = $self->_lc($constr->[1]); - $constr_name =~ s/\Q$self->{_quoter}\E//; - $constr_col =~ s/\Q$self->{_quoter}\E//; push @{$constr_names{$constr_name}}, $constr_col; } - - my @uniqs = map { [ $_ => $constr_names{$_} ] } keys %constr_names; - return \@uniqs; + + return [ map { [ $_ => $constr_names{$_} ] } sort keys %constr_names ]; } -sub _table_pk_info { - my ($self, $table) = (shift, shift); +sub _table_comment { + my $self = shift; + my ($table) = @_; + + my $table_comment = $self->next::method(@_); + + return $table_comment if $table_comment; + + ($table_comment) = $self->dbh->selectrow_array(<<'EOF', {}, $table->schema, $table->name); +SELECT comments FROM all_tab_comments +WHERE owner = ? + AND table_name = ? + AND (table_type = 'TABLE' OR table_type = 'VIEW') +EOF - return $self->next::method($self->_uc($table), @_); + return $table_comment } -sub _table_fk_info { - my ($self, $table) = (shift, shift); +sub _column_comment { + my $self = shift; + my ($table, $column_number, $column_name) = @_; - my $rels = $self->next::method($self->_uc($table), @_); + my $column_comment = $self->next::method(@_); - foreach my $rel (@$rels) { - $rel->{remote_table} = $self->_lc($rel->{remote_table}); - } + return $column_comment if $column_comment; + + ($column_comment) = $self->dbh->selectrow_array(<<'EOF', {}, $table->schema, $table->name, $self->_uc($column_name)); +SELECT comments FROM all_col_comments +WHERE owner = ? + AND table_name = ? + AND column_name = ? +EOF - return $rels; + return $column_comment } sub _columns_info_for { - my ($self, $table) = (shift, shift); - - my $result = $self->next::method($self->_uc($table), @_); + my $self = shift; + my ($table) = @_; - my $dbh = $self->schema->storage->dbh; + my $result = $self->next::method(@_); - local $dbh->{LongReadLen} = 100000; - local $dbh->{LongTruncOk} = 1; + local $self->dbh->{LongReadLen} = 1_000_000; + local $self->dbh->{LongTruncOk} = 1; - my $sth = $dbh->prepare_cached(q{ -SELECT atc.column_name, ut.trigger_body -FROM all_triggers ut -JOIN all_trigger_cols atc USING (trigger_name) -WHERE atc.table_name = ? -AND lower(column_usage) LIKE '%new%' AND lower(column_usage) LIKE '%out%' + my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1); +SELECT trigger_body +FROM all_triggers +WHERE table_name = ? AND table_owner = ? AND status = 'ENABLED' AND upper(trigger_type) LIKE '%BEFORE EACH ROW%' AND lower(triggering_event) LIKE '%insert%' - }, {}, 1); +EOF - $sth->execute($self->_uc($table)); + $sth->execute($table->name, $table->schema); - while (my ($col_name, $trigger_body) = $sth->fetchrow_array) { - $col_name = $self->_lc($col_name); + while (my ($trigger_body) = $sth->fetchrow_array) { + if (my ($seq_schema, $seq_name) = $trigger_body =~ /(?:"?(\w+)"?\.)?"?(\w+)"?\.nextval/i) { + if (my ($col_name) = $trigger_body =~ /:new\.(\w+)/i) { + $col_name = $self->_lc($col_name); - $result->{$col_name}{is_auto_increment} = 1; + $result->{$col_name}{is_auto_increment} = 1; - if (my ($seq_schema, $seq_name) = $trigger_body =~ /(?:\."?(\w+)"?)?"?(\w+)"?\.nextval/i) { - $seq_schema = $self->_lc($seq_schema) || $self->db_schema; - $seq_name = $self->_lc($seq_name); + $seq_schema = $self->_lc($seq_schema || $table->schema); + $seq_name = $self->_lc($seq_name); - $result->{$col_name}{sequence} = ($self->qualify_objects ? ($seq_schema . '.') : '') . $seq_name; + $result->{$col_name}{sequence} = ($self->qualify_objects ? ($seq_schema . '.') : '') . $seq_name; + } } } + # Old DBD::Oracle report the size in (UTF-16) bytes, not characters + my $nchar_size_factor = $DBD::Oracle::VERSION >= 1.52 ? 1 : 2; + while (my ($col, $info) = each %$result) { no warnings 'uninitialized'; + my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1); +SELECT data_type, data_length +FROM all_tab_columns +WHERE column_name = ? AND table_name = ? AND owner = ? +EOF + $sth->execute($self->_uc($col), $table->name, $table->schema); + my ($data_type, $data_length) = $sth->fetchrow_array; + $sth->finish; + $data_type = lc $data_type; + + if ($data_type =~ /^(?:n(?:var)?char2?|u?rowid|nclob|timestamp\(\d+\)(?: with(?: local)? time zone)?|binary_(?:float|double))\z/i) { + $info->{data_type} = $data_type; + + if ($data_type =~ /^u?rowid\z/i) { + $info->{size} = $data_length; + } + } + if ($info->{data_type} =~ /^(?:n?[cb]lob|long(?: raw)?|bfile|date|binary_(?:float|double)|rowid)\z/i) { delete $info->{size}; } if ($info->{data_type} =~ /^n(?:var)?char2?\z/i) { - $info->{size} = $info->{size} / 2; + if (ref $info->{size}) { + $info->{size} = $info->{size}[0] / 8; + } + else { + $info->{size} = $info->{size} / $nchar_size_factor; + } + } + elsif ($info->{data_type} =~ /^(?:var)?char2?\z/i) { + if (ref $info->{size}) { + $info->{size} = $info->{size}[0]; + } } - elsif (lc($info->{data_type}) eq 'number') { + elsif (lc($info->{data_type}) =~ /^(?:number|decimal)\z/i) { $info->{original}{data_type} = 'number'; $info->{data_type} = 'numeric'; - if (eval { $info->{size}[0] == 38 && $info->{size}[1] == 0 }) { + if (try { $info->{size}[0] == 38 && $info->{size}[1] == 0 }) { $info->{original}{size} = $info->{size}; $info->{data_type} = 'integer'; @@ -204,6 +264,11 @@ AND upper(trigger_type) LIKE '%BEFORE EACH ROW%' AND lower(triggering_event) LIK $info->{size} = $precision; } } + elsif ($info->{data_type} =~ /timestamp/i && ref $info->{size} && $info->{size}[0] == 0) { + my $size = $info->{size}[1]; + delete $info->{size}; + $info->{size} = $size unless $size == 6; + } elsif (($precision) = $info->{data_type} =~ /^interval year\((\d+)\) to month\z/i) { $info->{data_type} = join ' ', $info->{data_type} =~ /[a-z]+/ig; @@ -224,6 +289,21 @@ AND upper(trigger_type) LIKE '%BEFORE EACH ROW%' AND lower(triggering_event) LIK $info->{size} = [ $day_precision, $second_precision ]; } } + elsif ($info->{data_type} =~ /^interval year to month\z/i && ref $info->{size}) { + my $precision = $info->{size}[0]; + + if ($precision == 2) { + delete $info->{size}; + } + else { + $info->{size} = $precision; + } + } + elsif ($info->{data_type} =~ /^interval day to second\z/i && ref $info->{size}) { + if ($info->{size}[0] == 2 && $info->{size}[1] == 6) { + delete $info->{size}; + } + } elsif (lc($info->{data_type}) eq 'float') { $info->{original}{data_type} = 'float'; $info->{original}{size} = $info->{size}; @@ -236,9 +316,29 @@ AND upper(trigger_type) LIKE '%BEFORE EACH ROW%' AND lower(triggering_event) LIK } delete $info->{size}; } + elsif (lc($info->{data_type}) eq 'double precision') { + $info->{original}{data_type} = 'float'; + + my $size = try { $info->{size}[0] }; + + $info->{original}{size} = $size; + + if ($size <= 63) { + $info->{data_type} = 'real'; + } + delete $info->{size}; + } elsif (lc($info->{data_type}) eq 'urowid' && $info->{size} == 4000) { delete $info->{size}; } + elsif ($info->{data_type} eq '-9104') { + $info->{data_type} = 'rowid'; + delete $info->{size}; + } + elsif ($info->{data_type} eq '-2') { + $info->{data_type} = 'raw'; + $info->{size} = try { $info->{size}[0] / 2 }; + } elsif (lc($info->{data_type}) eq 'date') { $info->{data_type} = 'datetime'; $info->{original}{data_type} = 'date'; @@ -246,13 +346,47 @@ AND upper(trigger_type) LIKE '%BEFORE EACH ROW%' AND lower(triggering_event) LIK elsif (lc($info->{data_type}) eq 'binary_float') { $info->{data_type} = 'real'; $info->{original}{data_type} = 'binary_float'; - } + } elsif (lc($info->{data_type}) eq 'binary_double') { $info->{data_type} = 'double precision'; $info->{original}{data_type} = 'binary_double'; - } + } + + # DEFAULT could be missed by ::DBI because of ORA-24345 + if (not defined $info->{default_value}) { + local $self->dbh->{LongReadLen} = 1_000_000; + local $self->dbh->{LongTruncOk} = 1; + my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1); +SELECT data_default +FROM all_tab_columns +WHERE column_name = ? AND table_name = ? AND owner = ? +EOF + $sth->execute($self->_uc($col), $table->name, $table->schema); + my ($default) = $sth->fetchrow_array; + $sth->finish; + + # this is mostly copied from ::DBI::QuotedDefault + if (defined $default) { + s/^\s+//, s/\s+\z// for $default; + + if ($default =~ /^'(.*?)'\z/) { + $info->{default_value} = $1; + } + elsif ($default =~ /^(-?\d.*?)\z/) { + $info->{default_value} = $1; + } + elsif ($default =~ /^NULL\z/i) { + my $null = 'null'; + $info->{default_value} = \$null; + } + elsif ($default ne '') { + my $val = $default; + $info->{default_value} = \$val; + } + } + } - if ((eval { lc(${ $info->{default_value} }) }||'') eq 'sysdate') { + if ((try { lc(${ $info->{default_value} }) }||'') eq 'sysdate') { my $current_timestamp = 'current_timestamp'; $info->{default_value} = \$current_timestamp; @@ -264,14 +398,35 @@ AND upper(trigger_type) LIKE '%BEFORE EACH ROW%' AND lower(triggering_event) LIK return $result; } +sub _dbh_column_info { + my $self = shift; + my ($dbh) = @_; + + # try to avoid ORA-24345 + local $dbh->{LongReadLen} = 1_000_000; + local $dbh->{LongTruncOk} = 1; + + return $self->next::method(@_); +} + +sub _view_definition { + my ($self, $view) = @_; + + return scalar $self->schema->storage->dbh->selectrow_array(<<'EOF', {}, $view->schema, $view->name); +SELECT text +FROM all_views +WHERE owner = ? AND view_name = ? +EOF +} + =head1 SEE ALSO L, L, L -=head1 AUTHOR +=head1 AUTHORS -See L and L. +See L. =head1 LICENSE