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fix mysqltest

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This commit is contained in:
akaError
2023-08-14 14:42:37 +00:00
committed by ob-robot
parent f47d591c44
commit 5d0ad0e767
2 changed files with 20 additions and 9 deletions
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15
src/sql/resolver/ddl/ob_create_view_resolver.cpp
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@ -563,11 +563,13 @@ int ObCreateViewResolver::check_select_stmt_col_name(
{
int ret = OB_SUCCESS;
int hash_ret = OB_HASH_NOT_EXIST;
bool is_real_alias_ = select_item.is_real_alias_ ||
ObRawExprUtils::is_column_ref_skip_implicit_cast(select_item.expr_);
// 用于检查列名是否超长的标志
bool len_is_legal = false;
// 如果列没有被用户指定一个别名，那么 alias_name_ 就和 expr_name_ 保持一致
ObString col_name = select_item.alias_name_;
if (select_item.is_real_alias_) {
if (is_real_alias_) {
// 如果是真的别名，别名长度不允许超过 64，超过则报错
if (col_name.length() > static_cast<size_t>(OB_MAX_VIEW_COLUMN_NAME_LENGTH_MYSQL)) {
ret = OB_WRONG_COLUMN_NAME;
@ -578,8 +580,9 @@ int ObCreateViewResolver::check_select_stmt_col_name(
} else if (col_name.length() > static_cast<size_t>(OB_MAX_VIEW_COLUMN_NAME_LENGTH_MYSQL)) {
// 如果列没有别名，超过 64 的话系统则自动为其会生成一个列别名
// 因为需要避免自动生成的列名和用户定义的列名相同的情况，所以这里暂时把这种情况的列序号记录下来
if (OB_FAIL(index_array.push_back(pos))) {
SQL_RESV_LOG(WARN, "push_back failed", K(ret), K(pos), K(col_name));
if (OB_FAIL(add_var_to_array_no_dup(index_array, pos))) {
LOG_WARN("failed to add var", K(ret));
SQL_RESV_LOG(WARN, "add var failed", K(ret), K(pos), K(col_name));
} else {
len_is_legal = true;
}
@ -588,11 +591,11 @@ int ObCreateViewResolver::check_select_stmt_col_name(
if (OB_SUCC(ret) && len_is_legal) {
// 如果不是超长列名，则检查是否有重名
if (OB_HASH_EXIST == (hash_ret = view_col_names.exist_refactored(col_name))) {
if (dup_col_name.empty() && select_item.is_real_alias_) {
if (dup_col_name.empty() && is_real_alias_) {
is_expr_or_col_dup = true;
dup_col_name = select_item.alias_name_;
} else if ((!select_item.is_real_alias_) && OB_FAIL(index_array.push_back(pos))) {
SQL_RESV_LOG(WARN, "push_back failed", K(ret), K(pos), K(col_name));
} else if ((!is_real_alias_) && OB_FAIL(add_var_to_array_no_dup(index_array, pos))) {
SQL_RESV_LOG(WARN, "add var failed", K(ret), K(pos), K(col_name));
}
ret = OB_SUCCESS;
// ret = OB_ERR_COLUMN_DUPLICATE;