Adding upstream version 23.7.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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187 changed files with 86502 additions and 71397 deletions
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@ -298,7 +298,9 @@ class TestOptimizer(unittest.TestCase):
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self.check_file(
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"qualify_columns", qualify_columns, execute=True, schema=self.schema, set_dialect=True
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)
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self.check_file("qualify_columns_ddl", qualify_columns, schema=self.schema)
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self.check_file(
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"qualify_columns_ddl", qualify_columns, schema=self.schema, set_dialect=True
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)
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def test_qualify_columns__with_invisible(self):
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schema = MappingSchema(self.schema, {"x": {"a"}, "y": {"b"}, "z": {"b"}})
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@ -340,6 +342,9 @@ class TestOptimizer(unittest.TestCase):
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def test_simplify(self):
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self.check_file("simplify", simplify, set_dialect=True)
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expression = parse_one("SELECT a, c, b FROM table1 WHERE 1 = 1")
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self.assertEqual(simplify(simplify(expression.find(exp.Where))).sql(), "WHERE TRUE")
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expression = parse_one("TRUE AND TRUE AND TRUE")
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self.assertEqual(exp.true(), optimizer.simplify.simplify(expression))
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self.assertEqual(exp.true(), optimizer.simplify.simplify(expression.this))
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@ -359,15 +364,18 @@ class TestOptimizer(unittest.TestCase):
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self.assertEqual("CONCAT('a', x, 'bc')", simplified_safe_concat.sql())
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anon_unquoted_str = parse_one("anonymous(x, y)")
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self.assertEqual(optimizer.simplify.gen(anon_unquoted_str), "ANONYMOUS x,y")
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self.assertEqual(optimizer.simplify.gen(anon_unquoted_str), "ANONYMOUS(x,y)")
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query = parse_one("SELECT x FROM t")
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self.assertEqual(optimizer.simplify.gen(query), optimizer.simplify.gen(query.copy()))
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anon_unquoted_identifier = exp.Anonymous(
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this=exp.to_identifier("anonymous"), expressions=[exp.column("x"), exp.column("y")]
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)
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self.assertEqual(optimizer.simplify.gen(anon_unquoted_identifier), "ANONYMOUS x,y")
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self.assertEqual(optimizer.simplify.gen(anon_unquoted_identifier), "ANONYMOUS(x,y)")
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anon_quoted = parse_one('"anonymous"(x, y)')
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self.assertEqual(optimizer.simplify.gen(anon_quoted), '"anonymous" x,y')
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self.assertEqual(optimizer.simplify.gen(anon_quoted), '"anonymous"(x,y)')
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with self.assertRaises(ValueError) as e:
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anon_invalid = exp.Anonymous(this=5)
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@ -375,6 +383,28 @@ class TestOptimizer(unittest.TestCase):
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self.assertIn("Anonymous.this expects a str or an Identifier, got 'int'.", str(e.exception))
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sql = parse_one(
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"""
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WITH cte AS (select 1 union select 2), cte2 AS (
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SELECT ROW() OVER (PARTITION BY y) FROM (
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(select 1) limit 10
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)
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)
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SELECT
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*,
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a + 1,
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a div 1,
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filter("B", (x, y) -> x + y)
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FROM (z AS z CROSS JOIN z) AS f(a) LEFT JOIN a.b.c.d.e.f.g USING(n) ORDER BY 1
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"""
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)
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self.assertEqual(
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optimizer.simplify.gen(sql),
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"""
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SELECT :with,WITH :expressions,CTE :this,UNION :this,SELECT :expressions,1,:expression,SELECT :expressions,2,:distinct,True,:alias, AS cte,CTE :this,SELECT :expressions,WINDOW :this,ROW(),:partition_by,y,:over,OVER,:from,FROM ((SELECT :expressions,1):limit,LIMIT :expression,10),:alias, AS cte2,:expressions,STAR,a + 1,a DIV 1,FILTER("B",LAMBDA :this,x + y,:expressions,x,y),:from,FROM (z AS z:joins,JOIN :this,z,:kind,CROSS) AS f(a),:joins,JOIN :this,a.b.c.d.e.f.g,:side,LEFT,:using,n,:order,ORDER :expressions,ORDERED :this,1,:nulls_first,True
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""".strip(),
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)
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def test_unnest_subqueries(self):
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self.check_file(
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"unnest_subqueries",
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@ -475,6 +505,18 @@ FROM READ_CSV('tests/fixtures/optimizer/tpc-h/nation.csv.gz', 'delimiter', '|')
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)
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def test_scope(self):
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ast = parse_one("SELECT IF(a IN UNNEST(b), 1, 0) AS c FROM t", dialect="bigquery")
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self.assertEqual(build_scope(ast).columns, [exp.column("a"), exp.column("b")])
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many_unions = parse_one(" UNION ALL ".join(["SELECT x FROM t"] * 10000))
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scopes_using_traverse = list(build_scope(many_unions).traverse())
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scopes_using_traverse_scope = traverse_scope(many_unions)
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self.assertEqual(len(scopes_using_traverse), len(scopes_using_traverse_scope))
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assert all(
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x.expression is y.expression
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for x, y in zip(scopes_using_traverse, scopes_using_traverse_scope)
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)
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sql = """
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WITH q AS (
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SELECT x.b FROM x
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@ -522,7 +564,7 @@ FROM READ_CSV('tests/fixtures/optimizer/tpc-h/nation.csv.gz', 'delimiter', '|')
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self.assertEqual(
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{
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node.sql()
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for node, *_ in walk_in_scope(expression.find(exp.Where))
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for node in walk_in_scope(expression.find(exp.Where))
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if isinstance(node, exp.Column)
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},
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{"s.b"},
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@ -667,6 +709,14 @@ FROM READ_CSV('tests/fixtures/optimizer/tpc-h/nation.csv.gz', 'delimiter', '|')
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self.assertEqual(expressions[0].type.this, exp.DataType.Type.BIGINT)
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self.assertEqual(expressions[1].type.this, exp.DataType.Type.DOUBLE)
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expressions = annotate_types(
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parse_one("SELECT SUM(2 / 3), CAST(2 AS DECIMAL) / 3", dialect="mysql")
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).expressions
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self.assertEqual(expressions[0].type.this, exp.DataType.Type.DOUBLE)
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self.assertEqual(expressions[0].this.type.this, exp.DataType.Type.DOUBLE)
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self.assertEqual(expressions[1].type.this, exp.DataType.Type.DECIMAL)
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def test_bracket_annotation(self):
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expression = annotate_types(parse_one("SELECT A[:]")).expressions[0]
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@ -1056,6 +1106,34 @@ FROM READ_CSV('tests/fixtures/optimizer/tpc-h/nation.csv.gz', 'delimiter', '|')
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self.assertEqual(expression.selects[1].type, exp.DataType.build("STRUCT<c int>"))
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self.assertEqual(expression.selects[2].type, exp.DataType.build("int"))
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self.assertEqual(
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annotate_types(
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optimizer.qualify.qualify(
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parse_one(
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"SELECT x FROM UNNEST(GENERATE_DATE_ARRAY('2021-01-01', current_date(), interval 1 day)) AS x"
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)
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)
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)
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.selects[0]
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.type,
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exp.DataType.build("date"),
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)
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def test_map_annotation(self):
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# ToMap annotation
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expression = annotate_types(parse_one("SELECT MAP {'x': 1}", read="duckdb"))
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self.assertEqual(expression.selects[0].type, exp.DataType.build("MAP(VARCHAR, INT)"))
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# Map annotation
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expression = annotate_types(
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parse_one("SELECT MAP(['key1', 'key2', 'key3'], [10, 20, 30])", read="duckdb")
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)
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self.assertEqual(expression.selects[0].type, exp.DataType.build("MAP(VARCHAR, INT)"))
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# VarMap annotation
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expression = annotate_types(parse_one("SELECT MAP('a', 'b')", read="spark"))
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self.assertEqual(expression.selects[0].type, exp.DataType.build("MAP(VARCHAR, VARCHAR)"))
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def test_recursive_cte(self):
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query = parse_one(
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"""
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