[Fix] fix same cte table name in different subquery resolve bug

src/sql/resolver/ob_schema_checker.cpp

@@ -2973,5 +2973,20 @@ bool ObSchemaChecker::is_ora_priv_check()
     return false;
 }
 
+int ObSchemaChecker::remove_tmp_cte_schemas(const ObString& cte_table_name)
+{
+  int ret = OB_SUCCESS;
+  for (int64_t i = 0; OB_SUCC(ret) && i < tmp_cte_schemas_.count(); i++) {
+    if (cte_table_name == tmp_cte_schemas_.at(i)->get_table_name()) {
+      if(OB_FAIL(tmp_cte_schemas_.remove(i))) {
+        LOG_WARN("remove from tmp_cte_schemas_ failed.", K(ret));
+      } else {
+        break;
+      }
+    }
+  }
+  return ret;
+}
+
 }//end of namespace sql
 }//end of namespace oceanbase