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[CP] Relax the collation type check defense for runtime filters.

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This commit is contained in:
obdev
2023-10-19 07:09:24 +00:00
committed by ob-robot
parent af7068fe4a
commit 763d2240d5
1 changed files with 13 additions and 4 deletions
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11
src/sql/optimizer/ob_logical_operator.cpp
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@ -4534,14 +4534,23 @@ int ObLogicalOperator::cal_runtime_filter_compare_func(
ObRawExpr *join_create_expr)
{
int ret = OB_SUCCESS;
common::ObCollationType cs_type = join_use_expr->get_collation_type();
if (ob_is_string_or_lob_type(join_use_expr->get_result_type().get_type())
|| ob_is_string_or_lob_type(join_create_expr->get_result_type().get_type())) {
if (OB_UNLIKELY(join_use_expr->get_collation_type() != join_create_expr->get_collation_type())) {
// it's ok if one side of the join is a null type because null types can always be compared.
if (ob_is_null(join_use_expr->get_result_type().get_type())) {
// use create's cs_type
cs_type = join_create_expr->get_collation_type();
} else if (ob_is_null(join_create_expr->get_result_type().get_type())) {
// use use's cs_type
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("collation type not match", K(join_use_expr->get_result_type()),
K(join_create_expr->get_result_type()));
}
}
}
if (OB_SUCC(ret)) {
ObCmpFunc cmp_func;
const ObScale scale = ObDatumFuncs::max_scale(join_use_expr->get_result_type().get_scale(),
@ -4552,7 +4561,7 @@ int ObLogicalOperator::cal_runtime_filter_compare_func(
join_use_expr->get_data_type(),
join_create_expr->get_data_type(),
lib::is_oracle_mode()? NULL_LAST : NULL_FIRST,
join_use_expr->get_collation_type(),
cs_type,
scale,
lib::is_oracle_mode(),
has_lob_header);