use base qw(SQL::Translator::Producer);
use SQL::Translator::Schema::Constants;
-use SQL::Translator::Utils qw(debug header_comment parse_dbms_version);
+use SQL::Translator::Utils qw(debug header_comment parse_dbms_version batch_alter_table_statements);
use SQL::Translator::Generator::DDL::PostgreSQL;
use Data::Dumper;
my $temporary = "";
- if(exists $table->{extra}{temporary}) {
- $temporary = $table->{extra}{temporary} ? "TEMPORARY " : "";
+ if(exists $table->extra->{temporary}) {
+ $temporary = $table->extra->{temporary} ? "TEMPORARY " : "";
}
my $create_statement;
my @constraints;
push @constraints, SQL::Translator::Schema::Constraint->new(
name => "enforce_dims_".$field->name,
- expression => "(ST_NDims($field) = ".$field->{extra}{dimensions}.")",
+ expression => "(ST_NDims($field) = ".$field->extra->{dimensions}.")",
table => $field->table,
type => CHECK_C,
);
push @constraints, SQL::Translator::Schema::Constraint->new(
name => "enforce_srid_".$field->name,
- expression => "(ST_SRID($field) = ".$field->{extra}{srid}.")",
+ expression => "(ST_SRID($field) = ".$field->extra->{srid}.")",
table => $field->table,
type => CHECK_C,
);
push @constraints, SQL::Translator::Schema::Constraint->new(
name => "enforce_geotype_".$field->name,
- expression => "(GeometryType($field) = '".$field->{extra}{geometry_type}."'::text OR $field IS NULL)",
+ expression => "(GeometryType($field) = '".$field->extra->{geometry_type}."'::text OR $field IS NULL)",
table => $field->table,
type => CHECK_C,
);
# Geography
#
if($data_type eq 'geography'){
- $data_type .= '('.$field->{extra}{geography_type}.','. $field->{extra}{srid} .')'
+ $data_type .= '('.$field->extra->{geography_type}.','. $field->extra->{srid} .')'
}
return $data_type;
$to_field->name)
if ( !defined $new_default && defined $old_default );
- # add geometry column and contraints
+ # add geometry column and constraints
push @out, add_geometry_column($to_field) if is_geometry($to_field);
push @out, add_geometry_constraints($to_field) if is_geometry($to_field);
$field->table->schema->name,
$options->{table} ? $options->{table} : $field->table->name,
$field->name,
- $field->{extra}{dimensions},
- $field->{extra}{srid},
- $field->{extra}{geometry_type});
+ $field->extra->{dimensions},
+ $field->extra->{srid},
+ $field->extra->{geometry_type});
return $out;
}
my $qc = $options->{quote_field_names} || '';
$generator->quote_chars([$qt]);
+ # attention: Postgres has a very special naming structure for naming
+ # foreign keys and primary keys. It names them using the name of the
+ # table as prefix and fkey or pkey as suffix, concatenated by an underscore
+ my $c_name;
+ if( $c->name ) {
+ # Already has a name, just quote it
+ $c_name = $qc . $c->name . $qc;
+ } elsif ( $c->type eq FOREIGN_KEY ) {
+ # Doesn't have a name, and is foreign key, append '_fkey'
+ $c_name = $qc . $c->table->name . '_' .
+ ($c->fields)[0] . '_fkey' . $qc;
+ } elsif ( $c->type eq PRIMARY_KEY ) {
+ # Doesn't have a name, and is primary key, append '_pkey'
+ $c_name = $qc . $c->table->name . '_pkey' . $qc;
+ }
+
return sprintf(
'ALTER TABLE %s DROP CONSTRAINT %s',
- $generator->quote($c->table->name),
- # attention: Postgres has a very special naming structure
- # for naming foreign keys, it names them uses the name of
- # the table as prefix and fkey as suffix, concatenated by a underscore
- $c->type eq FOREIGN_KEY
- ? $c->name
- ? $qc . $c->name . $qc
- : $qc . $c->table->name . '_' . ($c->fields)[0] . '_fkey' . $qc
- : $qc . $c->name . $qc
+ $qt . $c->table->name . $qt, $c_name
);
}
return $out;
}
+sub batch_alter_table {
+ my ( $table, $diff_hash, $options ) = @_;
+ my $qt = $options->{quote_table_names} || '';
+ $generator->quote_chars([$qt]);
+
+ # as long as we're not renaming the table we don't need to be here
+ if ( @{$diff_hash->{rename_table}} == 0 ) {
+ return batch_alter_table_statements($diff_hash, $options);
+ }
+
+ # first we need to perform drops which are on old table
+ my @sql = batch_alter_table_statements($diff_hash, $options, qw(
+ alter_drop_constraint
+ alter_drop_index
+ drop_field
+ ));
+
+ # next comes the rename_table
+ my $old_table = $diff_hash->{rename_table}[0][0];
+ push @sql, rename_table( $old_table, $table, $options );
+
+ # for alter_field (and so also rename_field) we need to make sure old
+ # field has table name set to new table otherwise calling alter_field dies
+ $diff_hash->{alter_field} =
+ [map { $_->[0]->table($table) && $_ } @{$diff_hash->{alter_field}}];
+ $diff_hash->{rename_field} =
+ [map { $_->[0]->table($table) && $_ } @{$diff_hash->{rename_field}}];
+
+ # now add everything else
+ push @sql, batch_alter_table_statements($diff_hash, $options, qw(
+ add_field
+ alter_field
+ rename_field
+ alter_create_index
+ alter_create_constraint
+ alter_table
+ ));
+
+ return @sql;
+}
+
1;
# -------------------------------------------------------------------