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Ignore 'not null' of virtual table in optimizer

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xianyu-w 2023-12-14 14:43:59 +00:00 committed by ant-ob-hengtang
parent bd4823fae9
commit 3600ce7413
1 changed files with 2 additions and 0 deletions
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2
src/sql/rewrite/ob_transform_utils.cpp
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@ -2177,6 +2177,8 @@ int ObTransformUtils::is_column_expr_not_null(ObNotNullContext &ctx,
OB_ISNULL(table = stmt->get_table_item_by_id(expr->get_table_id()))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("table item is null", K(ret), K(expr->get_table_id()), K(*stmt));
} else if (is_virtual_table(table->ref_id_)) {
// 'NOT NULL' of the virtual table is unreliable
} else if (ObOptimizerUtil::find_item(ctx.right_table_ids_, table->table_id_)) {
// do nothing
} else if (table->is_basic_table()) {