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fix: support INSERT from SELECT clause with args #306

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merged 3 commits into from Apr 15, 2021
Merged

fix: support INSERT from SELECT clause with args #306

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c84c1a0
fix: support INSERT from SELECT clause with args
Apr 12, 2021
f1dd612
the fix itself
Apr 12, 2021
8ac6f06
update docstrings
Apr 14, 2021
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2 changes: 1 addition & 1 deletion google/cloud/spanner_dbapi/parse_utils.py
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Expand Up @@ -276,7 +276,7 @@ def parse_insert(insert_sql, params):
if not after_values_sql:
# Case b)
insert_sql = sanitize_literals_for_upload(insert_sql)
return {"sql_params_list": [(insert_sql, None)]}
return {"sql_params_list": [(insert_sql, params)]}
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Looks like the previous author of the DB API didn't notice that INSERT from SELECT will be a case b), and it can include some args. Thus, passing None instead of args is not correct.


if not params:
# Case a) perhaps?
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16 changes: 16 additions & 0 deletions tests/unit/spanner_dbapi/test_parse_utils.py
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Expand Up @@ -425,3 +425,19 @@ def test_escape_name(self):
with self.subTest(name=name):
got = escape_name(name)
self.assertEqual(got, want)

def test_insert_from_select(self):
"""Check that INSERT from SELECT clause can be executed with arguments."""
from google.cloud.spanner_dbapi.parse_utils import parse_insert

SQL = """
INSERT INTO tab_name (id, data)
SELECT tab_name.id + %s AS anon_1, tab_name.data
FROM tab_name
WHERE tab_name.data IN (%s, %s)
"""
ARGS = [5, "data2", "data3"]

self.assertEqual(
parse_insert(SQL, ARGS), {"sql_params_list": [(SQL, ARGS)]},
)