diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb index 7ba5437474..a90adcf4aa 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -4,15 +4,6 @@ module ActiveRecord class SchemaCreation < AbstractAdapter::SchemaCreation private - def visit_ColumnDefinition(o) - sql = super - if o.primary_key? && o.type != :primary_key - sql << " PRIMARY KEY " - add_column_options!(sql, column_options(o)) - end - sql - end - def column_options(o) column_options = super column_options[:array] = o.array @@ -394,15 +385,15 @@ module ActiveRecord # Returns just a table's primary key def primary_key(table) - row = exec_query(<<-end_sql, 'SCHEMA').rows.first + pks = exec_query(<<-end_sql, 'SCHEMA').rows SELECT attr.attname FROM pg_attribute attr - INNER JOIN pg_constraint cons ON attr.attrelid = cons.conrelid AND attr.attnum = cons.conkey[1] + INNER JOIN pg_constraint cons ON attr.attrelid = cons.conrelid AND attr.attnum = any(cons.conkey) WHERE cons.contype = 'p' AND cons.conrelid = '#{quote_table_name(table)}'::regclass end_sql - - row && row.first + return nil unless pks.count == 1 + pks[0][0] end # Renames a table. @@ -492,9 +483,8 @@ module ActiveRecord end def rename_index(table_name, old_name, new_name) - if new_name.length > allowed_index_name_length - raise ArgumentError, "Index name '#{new_name}' on table '#{table_name}' is too long; the limit is #{allowed_index_name_length} characters" - end + validate_index_length!(table_name, new_name) + execute "ALTER INDEX #{quote_column_name(old_name)} RENAME TO #{quote_table_name(new_name)}" end |