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Diffstat (limited to '')
| -rw-r--r-- | sqlglot/dialects/bigquery.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sqlglot/dialects/bigquery.py b/sqlglot/dialects/bigquery.py index 1b06cbf..7a573e7 100644 --- a/sqlglot/dialects/bigquery.py +++ b/sqlglot/dialects/bigquery.py @@ -727,7 +727,8 @@ class BigQuery(Dialect): def eq_sql(self, expression: exp.EQ) -> str: # Operands of = cannot be NULL in BigQuery if isinstance(expression.left, exp.Null) or isinstance(expression.right, exp.Null): - return "NULL" + if not isinstance(expression.parent, exp.Update): + return "NULL" return self.binary(expression, "=") |