diff -r 8d941af65caf -r 77b6da96e6f1 web/lib/django/db/backends/postgresql/creation.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/web/lib/django/db/backends/postgresql/creation.py Wed Jun 02 18:57:35 2010 +0200 @@ -0,0 +1,75 @@ +from django.db.backends.creation import BaseDatabaseCreation + +class DatabaseCreation(BaseDatabaseCreation): + # This dictionary maps Field objects to their associated PostgreSQL column + # types, as strings. Column-type strings can contain format strings; they'll + # be interpolated against the values of Field.__dict__ before being output. + # If a column type is set to None, it won't be included in the output. + data_types = { + 'AutoField': 'serial', + 'BooleanField': 'boolean', + 'CharField': 'varchar(%(max_length)s)', + 'CommaSeparatedIntegerField': 'varchar(%(max_length)s)', + 'DateField': 'date', + 'DateTimeField': 'timestamp with time zone', + 'DecimalField': 'numeric(%(max_digits)s, %(decimal_places)s)', + 'FileField': 'varchar(%(max_length)s)', + 'FilePathField': 'varchar(%(max_length)s)', + 'FloatField': 'double precision', + 'IntegerField': 'integer', + 'BigIntegerField': 'bigint', + 'IPAddressField': 'inet', + 'NullBooleanField': 'boolean', + 'OneToOneField': 'integer', + 'PositiveIntegerField': 'integer CHECK ("%(column)s" >= 0)', + 'PositiveSmallIntegerField': 'smallint CHECK ("%(column)s" >= 0)', + 'SlugField': 'varchar(%(max_length)s)', + 'SmallIntegerField': 'smallint', + 'TextField': 'text', + 'TimeField': 'time', + } + + def sql_table_creation_suffix(self): + assert self.connection.settings_dict['TEST_COLLATION'] is None, "PostgreSQL does not support collation setting at database creation time." + if self.connection.settings_dict['TEST_CHARSET']: + return "WITH ENCODING '%s'" % self.connection.settings_dict['TEST_CHARSET'] + return '' + + def sql_indexes_for_field(self, model, f, style): + if f.db_index and not f.unique: + qn = self.connection.ops.quote_name + db_table = model._meta.db_table + tablespace = f.db_tablespace or model._meta.db_tablespace + if tablespace: + sql = self.connection.ops.tablespace_sql(tablespace) + if sql: + tablespace_sql = ' ' + sql + else: + tablespace_sql = '' + else: + tablespace_sql = '' + + def get_index_sql(index_name, opclass=''): + return (style.SQL_KEYWORD('CREATE INDEX') + ' ' + + style.SQL_TABLE(qn(index_name)) + ' ' + + style.SQL_KEYWORD('ON') + ' ' + + style.SQL_TABLE(qn(db_table)) + ' ' + + "(%s%s)" % (style.SQL_FIELD(qn(f.column)), opclass) + + "%s;" % tablespace_sql) + + output = [get_index_sql('%s_%s' % (db_table, f.column))] + + # Fields with database column types of `varchar` and `text` need + # a second index that specifies their operator class, which is + # needed when performing correct LIKE queries outside the + # C locale. See #12234. + db_type = f.db_type() + if db_type.startswith('varchar'): + output.append(get_index_sql('%s_%s_like' % (db_table, f.column), + ' varchar_pattern_ops')) + elif db_type.startswith('text'): + output.append(get_index_sql('%s_%s_like' % (db_table, f.column), + ' text_pattern_ops')) + else: + output = [] + return output