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fix(sqlite): support IS with identifier as RHS #6316

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Merged
geooo109 merged 2 commits into from
Nov 12, 2025
Merged

fix(sqlite): support IS with identifier as RHS #6316

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fix(parser): support IS with identifier as RHS
geooo109 Nov 12, 2025
d3a189b
add not test
geooo109 Nov 12, 2025
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2 changes: 1 addition & 1 deletion sqlglot/parser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5090,7 +5090,7 @@ def _parse_is(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expressi
exp.JSON, **{"this": kind, "with": _with, "unique": unique}
)
else:
expression = self._parse_primary() or self._parse_null()
expression = self._parse_null() or self._parse_bitwise()
if not expression:
self._retreat(index)
return None
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4 changes: 4 additions & 0 deletions tests/dialects/test_sqlite.py
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Expand Up @@ -141,6 +141,10 @@ def test_sqlite(self):
"ATTACH 'foo' || '.foo2' AS schema_name",
)
self.validate_identity("DETACH DATABASE schema_name", "DETACH schema_name")
self.validate_identity("SELECT * FROM t WHERE NULL IS y")
self.validate_identity(
"SELECT * FROM t WHERE NULL IS NOT y", "SELECT * FROM t WHERE NOT NULL IS y"
)

def test_strftime(self):
self.validate_identity("SELECT STRFTIME('%Y/%m/%d', 'now')")
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