package SQL::Translator::Producer::SQLite;
# -------------------------------------------------------------------
-# $Id$
-# -------------------------------------------------------------------
-# Copyright (C) 2002-4 SQLFairy Authors
+# Copyright (C) 2002-2009 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
=cut
use strict;
+use warnings;
use Data::Dumper;
use SQL::Translator::Schema::Constants;
-use SQL::Translator::Utils qw(debug header_comment);
+use SQL::Translator::Utils qw(debug header_comment parse_dbms_version);
use vars qw[ $VERSION $DEBUG $WARN ];
-$VERSION = sprintf "%d.%02d", q$Revision$ =~ /(\d+)\.(\d+)/;
+$VERSION = '1.59';
$DEBUG = 0 unless defined $DEBUG;
$WARN = 0 unless defined $WARN;
-my %used_identifiers = ();
-my $max_id_length = 30;
+our $max_id_length = 30;
my %global_names;
-my %truncated;
sub produce {
my $translator = shift;
my $add_drop_table = $translator->add_drop_table;
my $schema = $translator->schema;
my $producer_args = $translator->producer_args;
- my $sqlite_version = $producer_args->{sqlite_version} || 0;
+ my $sqlite_version = parse_dbms_version(
+ $producer_args->{sqlite_version}, 'perl'
+ );
+ my $no_txn = $producer_args->{no_transaction};
debug("PKG: Beginning production\n");
+ %global_names = (); #reset
+
+
+ my $head = (header_comment() . "\n") unless $no_comments;
+
my @create = ();
- push @create, header_comment unless ($no_comments);
- push @create, 'BEGIN TRANSACTION';
+
+ push @create, "BEGIN TRANSACTION" unless $no_txn;
for my $table ( $schema->get_tables ) {
push @create, create_table($table, { no_comments => $no_comments,
});
}
- return wantarray ? (@create, "COMMIT") : join(";\n\n", (@create, "COMMIT;\n"));
+ for my $trigger ( $schema->get_triggers ) {
+ push @create, create_trigger($trigger, {
+ add_drop_trigger => $add_drop_table,
+ no_comments => $no_comments,
+ });
+ }
+
+ push @create, "COMMIT" unless $no_txn;
+
+ if (wantarray) {
+ return ($head||(), @create);
+ } else {
+ return join ('',
+ $head||(),
+ join(";\n\n", @create ),
+ ";\n",
+ );
+ }
}
# -------------------------------------------------------------------
sub mk_name {
- my ($basename, $type, $scope, $critical) = @_;
- my $basename_orig = $basename;
- my $max_name = $type
- ? $max_id_length - (length($type) + 1)
- : $max_id_length;
- $basename = substr( $basename, 0, $max_name )
- if length( $basename ) > $max_name;
- $basename =~ s/\./_/g;
- my $name = $type ? "${type}_$basename" : $basename;
-
- if ( $basename ne $basename_orig and $critical ) {
- my $show_type = $type ? "+'$type'" : "";
- warn "Truncating '$basename_orig'$show_type to $max_id_length ",
- "character limit to make '$name'\n" if $WARN;
- $truncated{ $basename_orig } = $name;
- }
+ my ($name, $scope, $critical) = @_;
$scope ||= \%global_names;
if ( my $prev = $scope->{ $name } ) {
# Header. Should this look like what mysqldump produces?
my $extra = $view->extra;
- my $create = '';
- $create .= "--\n-- View: ${view_name}\n--\n" unless $options->{no_comments};
- $create .= "DROP VIEW IF EXISTS $view_name;\n" if $add_drop_view;
- $create .= 'CREATE';
- $create .= " TEMPORARY" if exists($extra->{temporary}) && $extra->{temporary};
- $create .= ' VIEW';
- $create .= " IF NOT EXISTS" if exists($extra->{if_not_exists}) && $extra->{if_not_exists};
- $create .= " ${view_name}";
+ my @create;
+ push @create, "DROP VIEW IF EXISTS $view_name" if $add_drop_view;
+
+ my $create_view = 'CREATE';
+ $create_view .= " TEMPORARY" if exists($extra->{temporary}) && $extra->{temporary};
+ $create_view .= ' VIEW';
+ $create_view .= " IF NOT EXISTS" if exists($extra->{if_not_exists}) && $extra->{if_not_exists};
+ $create_view .= " ${view_name}";
if( my $sql = $view->sql ){
- $create .= " AS\n ${sql}";
+ $create_view .= " AS\n ${sql}";
}
- return $create;
+ push @create, $create_view;
+
+ # Tack the comment onto the first statement.
+ unless ($options->{no_comments}) {
+ $create[0] = "--\n-- View: ${view_name}\n--\n" . $create[0];
+ }
+
+ return @create;
}
debug("PKG: Looking at table '$table_name'\n");
- my ( @index_defs, @constraint_defs, @trigger_defs );
+ my ( @index_defs, @constraint_defs );
my @fields = $table->get_fields or die "No fields in $table_name";
my $temp = $options->{temporary_table} ? 'TEMPORARY ' : '';
#
# Header.
#
- my $exists = ($sqlite_version >= 3.3) ? ' IF EXISTS' : '';
+ my $exists = ($sqlite_version >= 3.003) ? ' IF EXISTS' : '';
my @create;
- push @create, "--\n-- Table: $table_name\n--\n" unless $no_comments;
- push @create, qq[DROP TABLE$exists $table_name] if $add_drop_table;
- my $create_table = "CREATE ${temp}TABLE $table_name (\n";
+ my ($comment, $create_table) = "";
+ $comment = "--\n-- Table: $table_name\n--\n" unless $no_comments;
+ if ($add_drop_table) {
+ push @create, $comment . qq[DROP TABLE$exists $table_name];
+ } else {
+ $create_table = $comment;
+ }
+
+ $create_table .= "CREATE ${temp}TABLE $table_name (\n";
#
# Comments
$create_table .= join(",\n", map { " $_" } @field_defs ) . "\n)";
- return (@create, $create_table, @index_defs, @constraint_defs, @trigger_defs );
+ return (@create, $create_table, @index_defs, @constraint_defs );
}
sub create_field
# Null?
$field_def .= ' NOT NULL' unless $field->is_nullable;
- # Default? XXX Need better quoting!
- my $default = $field->default_value;
- if (defined $default) {
- SQL::Translator::Producer->_apply_default_value(
- \$field_def,
- $default,
- [
- 'NULL' => \'NULL',
- 'now()' => 'now()',
- 'CURRENT_TIMESTAMP' => 'CURRENT_TIMESTAMP',
- ],
- );
- }
+ # Default?
+ SQL::Translator::Producer->_apply_default_value(
+ $field,
+ \$field_def,
+ [
+ 'NULL' => \'NULL',
+ 'now()' => 'now()',
+ 'CURRENT_TIMESTAMP' => 'CURRENT_TIMESTAMP',
+ ],
+ );
return $field_def;
my ($index, $options) = @_;
my $name = $index->name;
- $name = mk_name($index->table->name, $name);
+ $name = mk_name($name);
my $type = $index->type eq 'UNIQUE' ? "UNIQUE " : '';
my ($c, $options) = @_;
my $name = $c->name;
- $name = mk_name($c->table->name, $name);
+ $name = mk_name($name);
my @fields = $c->fields;
(my $index_table_name = $c->table->name) =~ s/^.+?\.//; # table name may not specify schema
warn "removing schema name from '" . $c->table->name . "' to make '$index_table_name'\n" if $WARN;
return $c_def;
}
+sub create_trigger {
+ my ($trigger, $options) = @_;
+ my $add_drop = $options->{add_drop_trigger};
+
+ my @statements;
+
+ my $trigger_name = $trigger->name;
+ my $events = $trigger->database_events;
+ for my $evt ( @$events ) {
+
+ my $trig_name = $trigger_name;
+ if (@$events > 1) {
+ $trig_name .= "_$evt";
+
+ warn "Multiple database events supplied for trigger '$trigger_name', ",
+ "creating trigger '$trig_name' for the '$evt' event.\n" if $WARN;
+ }
+
+ push @statements, "DROP TRIGGER IF EXISTS $trig_name" if $add_drop;
+
+
+ $DB::single = 1;
+ my $action = "";
+ if (not ref $trigger->action) {
+ $action .= "BEGIN " . $trigger->action . " END";
+ }
+ else {
+ $action = $trigger->action->{for_each} . " "
+ if $trigger->action->{for_each};
+
+ $action = $trigger->action->{when} . " "
+ if $trigger->action->{when};
+
+ my $steps = $trigger->action->{steps} || [];
+
+ $action .= "BEGIN ";
+ $action .= $_ . "; " for (@$steps);
+ $action .= "END";
+ }
+
+ push @statements, sprintf (
+ 'CREATE TRIGGER %s %s %s on %s %s',
+ $trig_name,
+ $trigger->perform_action_when,
+ $evt,
+ $trigger->on_table,
+ $action
+ );
+ }
+
+ return @statements;
+}
+
sub alter_table { } # Noop
sub add_field {
=head1 AUTHOR
-Ken Y. Clark C<< <kclark@cpan.orgE> >>.
+Ken Youens-Clark C<< <kclark@cpan.orgE> >>.
Diff code added by Ash Berlin C<< <ash@cpan.org> >>.
projects / dbsrgits/SQL-Translator.git / blobdiff