def test_simple_insert_single_table(self):
tables = extract_tables('insert into abc (id, name) values (1, "def")')
# sqlparse mistakenly assigns an alias to the table
# AND mistakenly identifies the field list as
# assert tables == ((None, 'abc', 'abc', False),)
self.assertTupleEqual(tables, ((None, 'abc', 'abc', False), ))
def test_incomplete_join_clause(self):
sql = '''select a.x, b.y
from abc a join bcd b
on a.id = '''
tables = extract_tables(sql)
self.assertTupleEqual(tables, ((None, 'abc', 'a', False),
(None, 'bcd', 'b', False)))
def test_join_table(self, join_type):
sql = 'SELECT * FROM abc a {0} JOIN def d ON a.id = d.num'.format(
join_type)
tables = extract_tables(sql)
self.assertSetEqual(
set(tables),
set([(None, 'abc', 'a', False), (None, 'def', 'd', False)]))
def test_multiple_joins(self):
sql = '''select * from t1
inner join t2 ON
t1.id = t2.t1_id
inner join t3 ON
t2.id = t3.'''
tables = extract_tables(sql)
self.assertTupleEqual(tables, ((None, 't1', None, False),
(None, 't2', None, False),
(None, 't3', None, False)))
def test_simple_table_and_function(self):
tables = extract_tables('SELECT * FROM foo JOIN bar()')
self.assertSetEqual(
set(tables),
set([(None, 'foo', None, False), (None, 'bar', None, True)]))
def test_select_with_hanging_comma_single_table(self):
tables = extract_tables('select a, from abc')
self.assertTupleEqual(tables, ((None, 'abc', None, False), ))
def test_simple_select_with_cols_single_table_schema_qualified(self):
tables = extract_tables('select a,b from abc.def')
self.assertTupleEqual(tables, (('abc', 'def', None, False), ))
def test_simple_select_multiple_tables_schema_qualified(self):
tables = extract_tables('select * from abc.def, ghi.jkl')
self.assertSetEqual(
set(tables),
set([('abc', 'def', None, False), ('ghi', 'jkl', None, False)]))
def test_simple_select_single_table_deouble_quoted_aliased(self):
tables = extract_tables('select * from "Abc" a')
self.assertTupleEqual(tables, ((None, 'Abc', 'a', False), ))
def test_simple_select_multiple_tables(self):
tables = extract_tables('select * from abc, def')
self.assertSetEqual(
set(tables),
set([(None, 'abc', None, False), (None, 'def', None, False)]))
def test_join_table_schema_qualified(self):
tables = extract_tables(
'SELECT * FROM abc.def x JOIN ghi.jkl y ON x.id = y.num')
self.assertSetEqual(
set(tables),
set([('abc', 'def', 'x', False), ('ghi', 'jkl', 'y', False)]))
def test_empty_string(self):
tables = extract_tables('')
self.assertTupleEqual(tables, ())
def test_simple_update_table_with_schema(self):
tables = extract_tables('update abc.def set id = 1')
self.assertTupleEqual(tables, (('abc', 'def', None, False), ))
def test_simple_update_table_no_schema(self):
tables = extract_tables('update abc set id = 1')
self.assertTupleEqual(tables, ((None, 'abc', None, False), ))
def test_complex_table_and_function(self):
tables = extract_tables('''SELECT * FROM foo.bar baz
JOIN bar.qux(x, y, z) quux''')
self.assertSetEqual(
set(tables),
set([('foo', 'bar', 'baz', False), ('bar', 'qux', 'quux', True)]))
def test_simple_select_single_table_schema_qualified(self, sql):
tables = extract_tables(sql)
self.assertTupleEqual(tables, (('abc', 'def', None, False), ))
def test_join_as_table(self):
tables = extract_tables('SELECT * FROM my_table AS m WHERE m.a > 5')
self.assertTupleEqual(tables, ((None, 'my_table', 'm', False), ))
def test_simple_select_multiple_tables_double_quoted(self):
tables = extract_tables('select * from "Abc", "Def"')
self.assertSetEqual(
set(tables),
set([(None, 'Abc', None, False), (None, 'Def', None, False)]))
def test_subselect_tables(self):
sql = 'SELECT * FROM (SELECT FROM abc'
tables = extract_tables(sql)
self.assertTupleEqual(tables, ((None, 'abc', None, False), ))
def test_simple_select_multiple_tables_deouble_quoted_aliased(self):
tables = extract_tables('select * from "Abc" a, "Def" d')
self.assertSetEqual(
set(tables),
set([(None, 'Abc', 'a', False), (None, 'Def', 'd', False)]))
def test_extract_no_tables(self, text):
tables = extract_tables(text)
self.assertTupleEqual(tables, tuple())
def test_simple_select_with_cols_single_table(self):
tables = extract_tables('select a,b from abc')
self.assertTupleEqual(tables, ((None, 'abc', None, False), ))
def test_simple_schema_qualified_function_as_table(self, arg_list):
tables = extract_tables('SELECT * FROM foo.bar({0})'.format(arg_list))
self.assertTupleEqual(tables, (('foo', 'bar', None, True), ))
def test_simple_select_with_cols_multiple_qualified_tables(self):
tables = extract_tables('select a,b from abc.def, def.ghi')
self.assertSetEqual(
set(tables),
set([('abc', 'def', None, False), ('def', 'ghi', None, False)]))
def test_simple_aliased_function_as_table(self, arg_list):
tables = extract_tables('SELECT * FROM foo({0}) bar'.format(arg_list))
self.assertTupleEqual(tables, ((None, 'foo', 'bar', True), ))
def test_select_with_hanging_comma_multiple_tables(self):
tables = extract_tables('select a, from abc, def')
self.assertSetEqual(
set(tables),
set([(None, 'abc', None, False), (None, 'def', None, False)]))
def test_select_with_hanging_period_multiple_tables(self):
tables = extract_tables('SELECT t1. FROM tabl1 t1, tabl2 t2')
self.assertSetEqual(
set(tables),
set([(None, 'tabl1', 't1', False), (None, 'tabl2', 't2', False)]))
