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Diffstat (limited to '')
| -rw-r--r-- | sqlglot/optimizer/canonicalize.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sqlglot/optimizer/canonicalize.py b/sqlglot/optimizer/canonicalize.py index ec3b3af..fc5c348 100644 --- a/sqlglot/optimizer/canonicalize.py +++ b/sqlglot/optimizer/canonicalize.py @@ -69,7 +69,11 @@ def ensure_bool_predicates(expression: exp.Expression) -> exp.Expression: _replace_int_predicate(expression.left) _replace_int_predicate(expression.right) - elif isinstance(expression, (exp.Where, exp.Having, exp.If)): + elif isinstance(expression, (exp.Where, exp.Having)) or ( + # We can't replace num in CASE x WHEN num ..., because it's not the full predicate + isinstance(expression, exp.If) + and not (isinstance(expression.parent, exp.Case) and expression.parent.this) + ): _replace_int_predicate(expression.this) return expression |