SP/web2py/gluon/packages/dal/tests/indexes.py

60 lines
2.2 KiB
Python
Raw Permalink Normal View History

2018-10-25 15:33:07 +00:00
from pydal import DAL, Field
from ._compat import unittest
from ._adapt import DEFAULT_URI, IS_POSTGRESQL, drop
class TestIndexesBasic(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'])
db.define_table('tt', Field('aa'))
rv = db.tt.create_index('idx_aa', db.tt.aa)
self.assertTrue(rv)
rv = db.tt.drop_index('idx_aa')
self.assertTrue(rv)
with self.assertRaises(Exception):
db.tt.drop_index('idx_aa')
db.rollback()
drop(db.tt)
@unittest.skipUnless(IS_POSTGRESQL, 'Expressions in indexes are not supported')
class TestIndexesExpressions(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'], entity_quoting=True)
db.define_table('tt', Field('aa'), Field('bb', 'datetime'))
sql = db._adapter.dialect.create_index(
'idx_aa_and_bb', db.tt, [db.tt.aa, db.tt.bb.coalesce(None)]
)
with db._adapter.index_expander():
coalesce_sql = str(db.tt.bb.coalesce(None))
expected_sql = 'CREATE INDEX %s ON %s (%s,%s);' % (
db._adapter.dialect.quote('idx_aa_and_bb'), db.tt.sql_shortref,
db.tt.aa.sqlsafe_name, coalesce_sql)
self.assertEqual(sql, expected_sql)
rv = db.tt.create_index(
'idx_aa_and_bb', db.tt.aa, db.tt.bb.coalesce(None))
self.assertTrue(rv)
rv = db.tt.drop_index('idx_aa_and_bb')
self.assertTrue(rv)
drop(db.tt)
@unittest.skipUnless(IS_POSTGRESQL, 'Partial indexes are not supported')
class TestIndexesWhere(unittest.TestCase):
def testRun(self):
db = DAL(DEFAULT_URI, check_reserved=['all'], entity_quoting=True)
db.define_table('tt', Field('aa'), Field('bb', 'boolean'))
sql = db._adapter.dialect.create_index(
'idx_aa_f', db.tt, [db.tt.aa], where=str(db.tt.bb == False)
)
self.assertEqual(
sql,
'CREATE INDEX "idx_aa_f" ON "tt" ("aa") WHERE ("tt"."bb" = \'F\');'
)
rv = db.tt.create_index(
'idx_aa_f', db.tt.aa, where=(db.tt.bb == False))
self.assertTrue(rv)
rv = db.tt.drop_index('idx_aa_f')
self.assertTrue(rv)
drop(db.tt)