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fix propagate null bug

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This commit is contained in:
jinmaoli
2023-11-16 06:40:49 +00:00
committed by ob-robot
parent bfa8606371
commit 3c38e827e0
1 changed files with 5 additions and 1 deletions
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6
src/sql/rewrite/ob_transform_const_propagate.cpp
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@ -770,7 +770,9 @@ int ObTransformConstPropagate::collect_equal_pair_from_pullup(ObDMLStmt *stmt,
is_valid))) {
LOG_WARN("failed to check const expr validity", K(ret));
} else if (!is_valid) {
if (equal_info.const_expr_->is_static_scalar_const_expr()) {
ObObjType col_type = equal_info.column_expr_->get_result_type().get_type();
if (!(ob_is_text_tc(col_type) || ob_is_lob_tc(col_type) || ob_is_json_tc(col_type)) &&
equal_info.const_expr_->is_static_scalar_const_expr()) {
ObObj result;
bool got_result = false;
if (OB_FAIL(ObSQLUtils::calc_const_or_calculable_expr(ctx_->exec_ctx_,
@ -1437,6 +1439,8 @@ int ObTransformConstPropagate::check_cast_const_expr(ExprConstInfo &const_info,
LOG_WARN("get unexpected null", K(ret));
} else if (!const_info.const_expr_->is_static_scalar_const_expr()) {
is_valid = false;
} else if (const_info.need_add_constraint_ == PRE_CALC_RESULT_NULL) {
// do nothing
} else if (OB_FAIL(ObRawExprUtils::check_need_cast_expr(const_info.const_expr_->get_result_type(),
const_info.column_expr_->get_result_type(),
need_cast,