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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-01-23 05:06:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-01-23 05:06:10 +0000
commit258c7df9cab21a4978c100568907ac1cb7fd6ee0 (patch)
treea98c4c9fc7433833be72543de5d99d15b9927442 /tests/test_optimizer.py
parentAdding upstream version 20.4.0. (diff)
downloadsqlglot-258c7df9cab21a4978c100568907ac1cb7fd6ee0.tar.xz
sqlglot-258c7df9cab21a4978c100568907ac1cb7fd6ee0.zip
Adding upstream version 20.9.0.upstream/20.9.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/test_optimizer.py')
-rw-r--r--tests/test_optimizer.py30
1 files changed, 30 insertions, 0 deletions
diff --git a/tests/test_optimizer.py b/tests/test_optimizer.py
index 9b68c78..3f96a0e 100644
--- a/tests/test_optimizer.py
+++ b/tests/test_optimizer.py
@@ -229,6 +229,15 @@ class TestOptimizer(unittest.TestCase):
def test_qualify_columns(self, logger):
self.assertEqual(
optimizer.qualify_columns.qualify_columns(
+ parse_one("WITH x AS (SELECT a FROM db.y) SELECT * FROM db.x"),
+ schema={"db": {"x": {"z": "int"}, "y": {"a": "int"}}},
+ expand_stars=False,
+ ).sql(),
+ "WITH x AS (SELECT y.a AS a FROM db.y) SELECT * FROM db.x",
+ )
+
+ self.assertEqual(
+ optimizer.qualify_columns.qualify_columns(
parse_one("WITH x AS (SELECT a FROM db.y) SELECT z FROM db.x"),
schema={"db": {"x": {"z": "int"}, "y": {"a": "int"}}},
infer_schema=False,
@@ -285,6 +294,11 @@ class TestOptimizer(unittest.TestCase):
schema = MappingSchema(self.schema, {"x": {"a"}, "y": {"b"}, "z": {"b"}})
self.check_file("qualify_columns__with_invisible", qualify_columns, schema=schema)
+ def test_pushdown_cte_alias_columns(self):
+ self.check_file(
+ "pushdown_cte_alias_columns", optimizer.qualify_columns.pushdown_cte_alias_columns
+ )
+
def test_qualify_columns__invalid(self):
for sql in load_sql_fixtures("optimizer/qualify_columns__invalid.sql"):
with self.subTest(sql):
@@ -534,6 +548,22 @@ FROM READ_CSV('tests/fixtures/optimizer/tpc-h/nation.csv.gz', 'delimiter', '|')
level="warning",
)
+ def test_struct_type_annotation(self):
+ tests = {
+ "SELECT STRUCT(1 AS col)": "STRUCT<col INT>",
+ "SELECT STRUCT(1 AS col, 2.5 AS row)": "STRUCT<col INT, row DOUBLE>",
+ "SELECT STRUCT(1)": "STRUCT<INT>",
+ "SELECT STRUCT(1 AS col, 2.5 AS row, struct(3.5 AS inner_col, 4 AS inner_row) AS nested_struct)": "STRUCT<col INT, row DOUBLE, nested_struct STRUCT<inner_col DOUBLE, inner_row INT>>",
+ "SELECT STRUCT(1 AS col, 2.5, ARRAY[1, 2, 3] AS nested_array, 'foo')": "STRUCT<col INT, DOUBLE, nested_array ARRAY<INT>, VARCHAR>",
+ "SELECT STRUCT(1, 2.5, 'bar')": "STRUCT<INT, DOUBLE, VARCHAR>",
+ 'SELECT STRUCT(1 AS "CaseSensitive")': 'STRUCT<"CaseSensitive" INT>',
+ }
+
+ for sql, target_type in tests.items():
+ with self.subTest(sql):
+ expression = annotate_types(parse_one(sql))
+ assert expression.expressions[0].is_type(target_type)
+
def test_literal_type_annotation(self):
tests = {
"SELECT 5": exp.DataType.Type.INT,