From 49af28576db02470fe1d2de04e3901309b60c2e4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 10 Jul 2023 07:36:29 +0200 Subject: Merging upstream version 17.3.0. Signed-off-by: Daniel Baumann --- tests/test_parser.py | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) (limited to 'tests/test_parser.py') diff --git a/tests/test_parser.py b/tests/test_parser.py index 2fa6a09..891dcef 100644 --- a/tests/test_parser.py +++ b/tests/test_parser.py @@ -580,3 +580,58 @@ class TestParser(unittest.TestCase): def test_parse_floats(self): self.assertTrue(parse_one("1. ").is_number) + + def test_parse_wrapped_tables(self): + expr = parse_one("select * from (table)") + self.assertIsInstance(expr.args["from"].this, exp.Table) + self.assertTrue(expr.args["from"].this.args["wrapped"]) + + expr = parse_one("select * from (((table)))") + self.assertIsInstance(expr.args["from"].this, exp.Table) + self.assertTrue(expr.args["from"].this.args["wrapped"]) + + self.assertEqual(expr.sql(), "SELECT * FROM (table)") + + expr = parse_one("select * from (tbl1 join tbl2)") + self.assertIsInstance(expr.args["from"].this, exp.Table) + self.assertTrue(expr.args["from"].this.args["wrapped"]) + self.assertEqual(len(expr.args["from"].this.args["joins"]), 1) + + expr = parse_one("select * from (tbl1 join tbl2) t") + self.assertIsInstance(expr.args["from"].this, exp.Subquery) + self.assertIsInstance(expr.args["from"].this.this, exp.Select) + self.assertEqual(expr.sql(), "SELECT * FROM (SELECT * FROM tbl1, tbl2) AS t") + + expr = parse_one("select * from (tbl as tbl) t") + self.assertEqual(expr.sql(), "SELECT * FROM (SELECT * FROM tbl AS tbl) AS t") + + expr = parse_one("select * from ((a cross join b) cross join c)") + self.assertIsInstance(expr.args["from"].this, exp.Table) + self.assertTrue(expr.args["from"].this.args["wrapped"]) + self.assertEqual(len(expr.args["from"].this.args["joins"]), 2) + self.assertEqual(expr.sql(), "SELECT * FROM (a CROSS JOIN b CROSS JOIN c)") + + expr = parse_one("select * from ((a cross join b) cross join c) t") + self.assertIsInstance(expr.args["from"].this, exp.Subquery) + self.assertEqual(len(expr.args["from"].this.this.args["joins"]), 2) + self.assertEqual( + expr.sql(), "SELECT * FROM (SELECT * FROM a CROSS JOIN b CROSS JOIN c) AS t" + ) + + expr = parse_one("select * from (a cross join (b cross join c))") + self.assertIsInstance(expr.args["from"].this, exp.Table) + self.assertTrue(expr.args["from"].this.args["wrapped"]) + self.assertEqual(len(expr.args["from"].this.args["joins"]), 1) + self.assertIsInstance(expr.args["from"].this.args["joins"][0].this, exp.Table) + self.assertTrue(expr.args["from"].this.args["joins"][0].this.args["wrapped"]) + self.assertEqual(expr.sql(), "SELECT * FROM (a CROSS JOIN (b CROSS JOIN c))") + + expr = parse_one("select * from ((a cross join ((b cross join c) cross join d)))") + self.assertEqual(expr.sql(), "SELECT * FROM (a CROSS JOIN (b CROSS JOIN c CROSS JOIN d))") + + expr = parse_one( + "select * from ((a cross join ((b cross join c) cross join (d cross join e))))" + ) + self.assertEqual( + expr.sql(), "SELECT * FROM (a CROSS JOIN (b CROSS JOIN c CROSS JOIN (d CROSS JOIN e)))" + ) -- cgit v1.2.3