findepi commented on code in PR #13061:
URL: https://github.com/apache/datafusion/pull/13061#discussion_r1824100046
##########
datafusion/optimizer/src/simplify_expressions/expr_simplifier.rs:
##########
@@ -1446,18 +1446,54 @@ impl<'a, S: SimplifyInfo> TreeNodeRewriter for
Simplifier<'a, S> {
// Rules for Like
Expr::Like(Like {
- expr,
- pattern,
+ expr: ref like_expr,
+ ref pattern, // Changed to ref pattern to avoid moving
negated,
- escape_char: _,
- case_insensitive: _,
- }) if !is_null(&expr)
- && matches!(
- pattern.as_ref(),
- Expr::Literal(ScalarValue::Utf8(Some(pattern_str))) if
pattern_str == "%"
- ) =>
- {
- Transformed::yes(lit(!negated))
+ escape_char,
+ case_insensitive,
+ }) => {
+ if let Expr::Literal(ScalarValue::Utf8(Some(pattern))) =
pattern.as_ref()
+ {
+ // Special case: pattern is just "%"
+ if pattern == "%" && !is_null(like_expr) {
+ return Ok(Transformed::yes(lit(!negated)));
Review Comment:
See also
https://github.com/apache/datafusion/issues/12637#issuecomment-2449352017
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