Adding upstream version 17.7.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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93 changed files with 41580 additions and 39040 deletions
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@ -427,6 +427,27 @@ FROM READ_CSV('tests/fixtures/optimizer/tpc-h/nation.csv.gz', 'delimiter', '|')
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{"s.b"},
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)
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# Check that parentheses don't introduce a new scope unless an alias is attached
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sql = "SELECT * FROM (((SELECT * FROM (t1 JOIN t2) AS t3) JOIN (SELECT * FROM t4)))"
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expression = parse_one(sql)
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for scopes in traverse_scope(expression), list(build_scope(expression).traverse()):
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self.assertEqual(len(scopes), 4)
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self.assertEqual(scopes[0].expression.sql(), "t1, t2")
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self.assertEqual(set(scopes[0].sources), {"t1", "t2"})
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self.assertEqual(scopes[1].expression.sql(), "SELECT * FROM (t1, t2) AS t3")
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self.assertEqual(set(scopes[1].sources), {"t3"})
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self.assertEqual(scopes[2].expression.sql(), "SELECT * FROM t4")
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self.assertEqual(set(scopes[2].sources), {"t4"})
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self.assertEqual(
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scopes[3].expression.sql(),
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"SELECT * FROM (((SELECT * FROM (t1, t2) AS t3), (SELECT * FROM t4)))",
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)
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self.assertEqual(set(scopes[3].sources), {""})
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@patch("sqlglot.optimizer.scope.logger")
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def test_scope_warning(self, logger):
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self.assertEqual(len(traverse_scope(parse_one("WITH q AS (@y) SELECT * FROM q"))), 1)
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