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