X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FSQL%2FTranslator%2FSchema.pm;h=4a2458eab0490383aa1e651c32284219501af31a;hb=f65806ce76d44f579b024d6856ff8d199763780b;hp=05f50e8bcc3d97408b067b031d287cf0653c4e83;hpb=9480e70b452590f20df282a1eb31335676b3d191;p=dbsrgits%2FSQL-Translator.git diff --git a/lib/SQL/Translator/Schema.pm b/lib/SQL/Translator/Schema.pm index 05f50e8..4a2458e 100644 --- a/lib/SQL/Translator/Schema.pm +++ b/lib/SQL/Translator/Schema.pm @@ -1,9 +1,9 @@ package SQL::Translator::Schema; # ---------------------------------------------------------------------- -# $Id: Schema.pm,v 1.6 2003-06-09 04:18:23 kycl4rk Exp $ +# $Id: Schema.pm,v 1.15 2004-07-26 13:55:51 kycl4rk Exp $ # ---------------------------------------------------------------------- -# Copyright (C) 2003 Ken Y. Clark +# Copyright (C) 2002-4 SQLFairy Authors # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License as @@ -45,13 +45,16 @@ returns the database structure. use strict; use Class::Base; use SQL::Translator::Schema::Constants; +use SQL::Translator::Schema::Procedure; use SQL::Translator::Schema::Table; +use SQL::Translator::Schema::Trigger; use SQL::Translator::Schema::View; +use SQL::Translator::Utils 'parse_list_arg'; use base 'Class::Base'; -use vars qw[ $VERSION $TABLE_ORDER $VIEW_ORDER ]; +use vars qw[ $VERSION $TABLE_ORDER $VIEW_ORDER $TRIGGER_ORDER $PROC_ORDER ]; -$VERSION = 1.00; +$VERSION = sprintf "%d.%02d", q$Revision: 1.15 $ =~ /(\d+)\.(\d+)/; # ---------------------------------------------------------------------- sub init { @@ -62,7 +65,7 @@ sub init { Object constructor. - my $schema = SQL::Translator->new( + my $schema = SQL::Translator::Schema->new( name => 'Foo', database => 'MySQL', ); @@ -108,7 +111,8 @@ not be created. } $table->order( ++$TABLE_ORDER ); - my $table_name = $table->name or return $self->error('No table name'); + # We know we have a name as the Table->new above errors if none given. + my $table_name = $table->name; if ( defined $self->{'tables'}{ $table_name } ) { return $self->error(qq[Can't create table: "$table_name" exists]); @@ -121,6 +125,104 @@ not be created. } # ---------------------------------------------------------------------- +sub add_procedure { + +=pod + +=head2 add_procedure + +Add a procedure object. Returns the new +SQL::Translator::Schema::Procedure object. The "name" parameter is +required. If you try to create a procedure with the same name as an +existing procedure, you will get an error and the procedure will not +be created. + + my $p1 = $schema->add_procedure( name => 'foo' ); + my $p2 = SQL::Translator::Schema::Procedure->new( name => 'bar' ); + $p2 = $schema->add_procedure( $procedure_bar ) or die $schema->error; + +=cut + + my $self = shift; + my $procedure_class = 'SQL::Translator::Schema::Procedure'; + my $procedure; + + if ( UNIVERSAL::isa( $_[0], $procedure_class ) ) { + $procedure = shift; + $procedure->schema( $self ); + } + else { + my %args = @_; + $args{'schema'} = $self; + return $self->error('No procedure name') unless $args{'name'}; + $procedure = $procedure_class->new( \%args ) or + return $self->error( $procedure_class->error ); + } + + $procedure->order( ++$PROC_ORDER ); + my $procedure_name = $procedure->name or return + $self->error('No procedure name'); + + if ( defined $self->{'procedures'}{ $procedure_name } ) { + return $self->error( + qq[Can't create procedure: "$procedure_name" exists] + ); + } + else { + $self->{'procedures'}{ $procedure_name } = $procedure; + } + + return $procedure; +} + +# ---------------------------------------------------------------------- +sub add_trigger { + +=pod + +=head2 add_trigger + +Add a trigger object. Returns the new SQL::Translator::Schema::Trigger object. +The "name" parameter is required. If you try to create a trigger with the +same name as an existing trigger, you will get an error and the trigger will +not be created. + + my $t1 = $schema->add_trigger( name => 'foo' ); + my $t2 = SQL::Translator::Schema::Trigger->new( name => 'bar' ); + $t2 = $schema->add_trigger( $trigger_bar ) or die $schema->error; + +=cut + + my $self = shift; + my $trigger_class = 'SQL::Translator::Schema::Trigger'; + my $trigger; + + if ( UNIVERSAL::isa( $_[0], $trigger_class ) ) { + $trigger = shift; + $trigger->schema( $self ); + } + else { + my %args = @_; + $args{'schema'} = $self; + return $self->error('No trigger name') unless $args{'name'}; + $trigger = $trigger_class->new( \%args ) or + return $self->error( $trigger_class->error ); + } + + $trigger->order( ++$TRIGGER_ORDER ); + my $trigger_name = $trigger->name or return $self->error('No trigger name'); + + if ( defined $self->{'triggers'}{ $trigger_name } ) { + return $self->error(qq[Can't create trigger: "$trigger_name" exists]); + } + else { + $self->{'triggers'}{ $trigger_name } = $trigger; + } + + return $trigger; +} + +# ---------------------------------------------------------------------- sub add_view { =pod @@ -144,9 +246,11 @@ not be created. if ( UNIVERSAL::isa( $_[0], $view_class ) ) { $view = shift; + $view->schema( $self ); } else { my %args = @_; + $args{'schema'} = $self; return $self->error('No view name') unless $args{'name'}; $view = $view_class->new( \%args ) or return $view_class->error; } @@ -207,6 +311,55 @@ Returns true if all the tables and views are valid. } # ---------------------------------------------------------------------- +sub get_procedure { + +=pod + +=head2 get_procedure + +Returns a procedure by the name provided. + + my $procedure = $schema->get_procedure('foo'); + +=cut + + my $self = shift; + my $procedure_name = shift or return $self->error('No procedure name'); + return $self->error( qq[Table "$procedure_name" does not exist] ) unless + exists $self->{'procedures'}{ $procedure_name }; + return $self->{'procedures'}{ $procedure_name }; +} + +# ---------------------------------------------------------------------- +sub get_procedures { + +=pod + +=head2 get_procedures + +Returns all the procedures as an array or array reference. + + my @procedures = $schema->get_procedures; + +=cut + + my $self = shift; + my @procedures = + map { $_->[1] } + sort { $a->[0] <=> $b->[0] } + map { [ $_->order, $_ ] } + values %{ $self->{'procedures'} }; + + if ( @procedures ) { + return wantarray ? @procedures : \@procedures; + } + else { + $self->error('No procedures'); + return wantarray ? () : undef; + } +} + +# ---------------------------------------------------------------------- sub get_table { =pod @@ -256,6 +409,55 @@ Returns all the tables as an array or array reference. } # ---------------------------------------------------------------------- +sub get_trigger { + +=pod + +=head2 get_trigger + +Returns a trigger by the name provided. + + my $trigger = $schema->get_trigger('foo'); + +=cut + + my $self = shift; + my $trigger_name = shift or return $self->error('No trigger name'); + return $self->error( qq[Table "$trigger_name" does not exist] ) unless + exists $self->{'triggers'}{ $trigger_name }; + return $self->{'triggers'}{ $trigger_name }; +} + +# ---------------------------------------------------------------------- +sub get_triggers { + +=pod + +=head2 get_triggers + +Returns all the triggers as an array or array reference. + + my @triggers = $schema->get_triggers; + +=cut + + my $self = shift; + my @triggers = + map { $_->[1] } + sort { $a->[0] <=> $b->[0] } + map { [ $_->order, $_ ] } + values %{ $self->{'triggers'} }; + + if ( @triggers ) { + return wantarray ? @triggers : \@triggers; + } + else { + $self->error('No triggers'); + return wantarray ? () : undef; + } +} + +# ---------------------------------------------------------------------- sub get_view { =pod @@ -337,7 +539,9 @@ A list of fields to skip in the joins my $self = shift; my %args = @_; my $join_pk_only = $args{'join_pk_only'} || 0; - my %skip_fields = map { $_, 1 } @{ parse_list_arg($args{'skip_fields'}) }; + my %skip_fields = map { s/^\s+|\s+$//g; $_, 1 } @{ + parse_list_arg( $args{'skip_fields'} ) + }; my ( %common_keys, %pk ); for my $table ( $self->get_tables ) {