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fix(sql_parse): Provide more lenient logic when extracting latest[_sub]_partition (#28152)
(cherry picked from commit c5e7d870f0
)
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@ -1099,16 +1099,19 @@ def extract_tables_from_jinja_sql(sql: str, database: Database) -> set[Table]:
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"latest_partition",
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"latest_sub_partition",
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):
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# Extract the table referenced in the macro.
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tables.add(
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Table(
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*[
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remove_quotes(part.strip())
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for part in node.args[0].as_const().split(".")[::-1]
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if len(node.args) == 1
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]
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# Try to extract the table referenced in the macro.
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try:
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tables.add(
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Table(
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*[
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remove_quotes(part.strip())
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for part in node.args[0].as_const().split(".")[::-1]
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if len(node.args) == 1
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]
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)
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)
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)
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except nodes.Impossible:
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pass
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# Replace the potentially problematic Jinja macro with some benign SQL.
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node.__class__ = nodes.TemplateData
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@ -1891,36 +1891,40 @@ SELECT * FROM t"""
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],
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)
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@pytest.mark.parametrize(
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"macro",
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[
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"latest_partition('foo.bar')",
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"latest_partition(' foo.bar ')", # Non-atypical user error which works
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"latest_partition('foo.%s'|format('bar'))",
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"latest_sub_partition('foo.bar', baz='qux')",
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],
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)
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@pytest.mark.parametrize(
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"sql,expected",
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"macro,expected",
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[
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(
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"SELECT '{{{{ {engine}.{macro} }}}}'",
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"latest_partition('foo.bar')",
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{Table(table="bar", schema="foo")},
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),
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(
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"SELECT * FROM foo.baz WHERE quux = '{{{{ {engine}.{macro} }}}}'",
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{Table(table="bar", schema="foo"), Table(table="baz", schema="foo")},
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"latest_partition(' foo.bar ')", # Non-atypical user error which works
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{Table(table="bar", schema="foo")},
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),
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(
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"latest_partition('foo.%s'|format('bar'))",
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{Table(table="bar", schema="foo")},
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),
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(
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"latest_sub_partition('foo.bar', baz='qux')",
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{Table(table="bar", schema="foo")},
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),
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(
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"latest_partition('foo.%s'|format(str('bar')))",
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set(),
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),
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(
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"latest_partition('foo.{}'.format('bar'))",
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set(),
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),
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],
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)
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def test_extract_tables_from_jinja_sql(
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engine: str,
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macro: str,
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sql: str,
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expected: set[Table],
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engine: str, macro: str, expected: set[Table]
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) -> None:
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assert (
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extract_tables_from_jinja_sql(
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sql=sql.format(engine=engine, macro=macro),
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sql=f"'{{{{ {engine}.{macro} }}}}'",
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database=Mock(),
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)
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== expected
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