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Fix like '\' bug

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This commit is contained in:
2149
2023-10-20 03:13:25 +00:00
committed by ob-robot
parent 5528cd45b6
commit 4ebc347f35
2 changed files with 6 additions and 2 deletions
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3
src/sql/ob_sql_utils.cpp
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@ -4312,7 +4312,8 @@ int ObPreCalcExprConstraint::check_is_match(const ObObjParam &obj_param, bool &i
is_match = false; is_match = false;
} else if (!pattern_val.empty()) { } else if (!pattern_val.empty()) {
is_match = OB_ISNULL(pattern_val.find('%')) && is_match = OB_ISNULL(pattern_val.find('%')) &&
OB_ISNULL(pattern_val.find('_')); OB_ISNULL(pattern_val.find('_')) &&
OB_ISNULL(pattern_val.find('\\'));
} else { } else {
is_match = true; is_match = true;
} }

5
src/sql/rewrite/ob_transform_simplify_expr.cpp
View File

@ -733,8 +733,11 @@ int ObTransformSimplifyExpr::do_check_like_condition(ObRawExpr *&expr,
*ctx_->allocator_))) { *ctx_->allocator_))) {
LOG_WARN("failed to calc const or calculable expr", K(ret)); LOG_WARN("failed to calc const or calculable expr", K(ret));
} else if (got_result) { } else if (got_result) {
//can't replace if pattern have wildcard or default escape character
ObString val = result.get_string(); ObString val = result.get_string();
can_replace = OB_ISNULL(val.find('_')) && OB_ISNULL(val.find('%')); can_replace = OB_ISNULL(val.find('_'))
&& OB_ISNULL(val.find('%'))
&& OB_ISNULL(val.find('\\'));
} else {} } else {}
} }
if (OB_SUCC(ret) && can_replace) { if (OB_SUCC(ret) && can_replace) {