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feat: add IS NOT NULL operator to query builder #376

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feat: add IS NOT NULL operator to query builder #376

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5 changes: 5 additions & 0 deletions gqlalchemy/query_builders/declarative_base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,7 @@ class Operator(Enum):
LEQ_THAN = "<="
NOT_EQUAL = "!="
INCREMENT = "+="
IS_NOT_NULL = "IS NOT NULL"
SIMILAR = "=~"


Expand Down Expand Up @@ -185,6 +186,10 @@ def _build_where_query(self, item: str, operator: Operator, **kwargs) -> "Declar
if operator_str not in Operator._value2member_map_:
raise GQLAlchemyOperatorTypeError(clause=self.type)

# Unary operators (e.g., IS NOT NULL) don't require a literal or expression

@antejavor antejavor Mar 20, 2026

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# Unary operators (e.g., IS NOT NULL) don't require a literal or expression

if operator_str == Operator.IS_NOT_NULL.value:
return f"{item} {operator_str}"

if value is None:
if literal is None:
raise GQLAlchemyLiteralAndExpressionMissing(clause=self.type)
Expand Down