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[CP] adjust param matching rule for typed NULL value

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This commit is contained in:
JinmaoLi
2024-09-25 18:46:49 +00:00
committed by ob-robot
parent 7257398c83
commit 227baab2eb
12 changed files with 106 additions and 79 deletions
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4
src/sql/rewrite/ob_transform_simplify_expr.cpp
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@ -531,7 +531,7 @@ int ObTransformSimplifyExpr::extract_null_expr(ObRawExpr *expr,
got_result,
*ctx_->allocator_))) {
LOG_WARN("failed to calc const or calculable expr", K(ret));
} else if (got_result &&
} else if (got_result && !result.is_ext() &&
(result.is_null() || (lib::is_oracle_mode() && result.is_null_oracle()))) {
if (OB_FAIL(null_expr_lists.push_back(expr))) {
LOG_WARN("failed to push back expr", K(ret));
@ -1440,7 +1440,7 @@ int ObTransformSimplifyExpr::do_remove_dummy_nvl(ObDMLStmt *stmt,
got_result,
*ctx_->allocator_))) {
LOG_WARN("failed to calc const or caculable expr", K(ret));
} else if (got_result && (result.is_null()
} else if (got_result && !result.is_ext() && (result.is_null()
|| (lib::is_oracle_mode() && result.is_null_oracle()))) {
// NVL(NULL, child_1) -> child_1
ObExprConstraint expr_cons(child_0, PreCalcExprExpectResult::PRE_CALC_RESULT_NULL);