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bugfix: set collation level when add cast during remove subquery

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This commit is contained in:
obdev
2023-08-15 08:40:53 +00:00
committed by ob-robot
parent 7dc7844cef
commit f4aff366fd
1 changed files with 13 additions and 15 deletions
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28
src/sql/rewrite/ob_transform_simplify_expr.cpp
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@ -2110,22 +2110,20 @@ int ObTransformSimplifyExpr::build_null_for_empty_set(const ObSelectStmt* sub_st
int ObTransformSimplifyExpr::build_null_expr_and_cast(const ObRawExpr* expr, ObRawExpr*& cast_expr)
{
int ret = OB_SUCCESS;
ObRawExpr* null_expr = NULL;
cast_expr = NULL;
if (OB_ISNULL(expr) || OB_ISNULL(ctx_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("parameters have null", K(expr), K(ctx_));
} else if (OB_FAIL(ObRawExprUtils::build_null_expr(*ctx_->expr_factory_, null_expr))) {
} else if (OB_FAIL(ObRawExprUtils::build_null_expr(*ctx_->expr_factory_, cast_expr))) {
LOG_WARN("failed to build null expr", K(ret));
} else if (OB_ISNULL(null_expr)) {
} else if (OB_ISNULL(cast_expr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(ret));
} else if (OB_FAIL(ObRawExprUtils::try_add_cast_expr_above(ctx_->expr_factory_,
ctx_->session_info_,
*null_expr,
expr->get_result_type(),
cast_expr))) {
LOG_WARN("try add cast expr above failed", K(ret));
} else if (OB_FAIL(ObTransformUtils::add_cast_for_replace_if_need(*ctx_->expr_factory_,
expr,
cast_expr,
ctx_->session_info_))) {
LOG_WARN("failed to add cast for replace if need", K(ret));
}
return ret;
}
@ -2153,12 +2151,12 @@ int ObTransformSimplifyExpr::replace_expr_when_filter_is_false(ObRawExpr*& expr)
} else if (OB_ISNULL(zero_expr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(ret));
} else if (OB_FAIL(ObRawExprUtils::try_add_cast_expr_above(ctx_->expr_factory_,
ctx_->session_info_,
*zero_expr,
expr->get_result_type(),
cast_expr))) {
LOG_WARN("try add cast expr above failed", K(ret));
} else if (FALSE_IT(cast_expr = zero_expr)) {
} else if (OB_FAIL(ObTransformUtils::add_cast_for_replace_if_need(*ctx_->expr_factory_,
expr,
cast_expr,
ctx_->session_info_))) {
LOG_WARN("failed to add cast for replace if need", K(ret));
} else {
expr = cast_expr;
}