csun5285 commented on code in PR #27785:
URL: https://github.com/apache/doris/pull/27785#discussion_r1410670021
##########
be/src/vec/common/schema_util.cpp:
##########
@@ -310,7 +310,7 @@ void update_least_common_schema(const
std::vector<TabletSchemaSPtr>& schemas,
TabletColumn common_column;
// const std::string& column_name = variant_col_name + "." +
tuple_paths[i].get_path();
get_column_by_type(tuple_types[i], tuple_paths[i].get_path(),
common_column,
- ExtraInfo {.unique_id = variant_col_unique_id,
+ ExtraInfo {.unique_id = -1,
.parent_unique_id =
variant_col_unique_id,
.path_info = tuple_paths[i]});
common_schema->append_column(common_column);
Review Comment:
common_schema->append_column(common_column,
TabletSchema::ColumnType::VARIANT)
##########
be/src/vec/common/schema_util.cpp:
##########
@@ -310,7 +310,7 @@ void update_least_common_schema(const
std::vector<TabletSchemaSPtr>& schemas,
TabletColumn common_column;
// const std::string& column_name = variant_col_name + "." +
tuple_paths[i].get_path();
get_column_by_type(tuple_types[i], tuple_paths[i].get_path(),
common_column,
- ExtraInfo {.unique_id = variant_col_unique_id,
+ ExtraInfo {.unique_id = -1,
.parent_unique_id =
variant_col_unique_id,
.path_info = tuple_paths[i]});
common_schema->append_column(common_column);
Review Comment:
"TabletSchema::ColumnType::VARIANT" means that the appended column is
managed using the "_field_path_to_index."
##########
regression-test/suites/variant_p0/column_size_limit.groovy:
##########
@@ -0,0 +1,52 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("regression_test_variant_column_limit", "nonConcurrent"){
+ def set_be_config = { key, value ->
+ String backend_id;
+ def backendId_to_backendIP = [:]
+ def backendId_to_backendHttpPort = [:]
+ getBackendIpHttpPort(backendId_to_backendIP,
backendId_to_backendHttpPort);
+
+ backend_id = backendId_to_backendIP.keySet()[0]
+ def (code, out, err) =
update_be_config(backendId_to_backendIP.get(backend_id),
backendId_to_backendHttpPort.get(backend_id), key, value)
+ logger.info("update config: code=" + code + ", out=" + out + ", err="
+ err)
+ }
+ def table_name = "var_column_limit"
+ set_be_config.call("variant_max_merged_tablet_schema_size", "5")
+ sql "DROP TABLE IF EXISTS ${table_name}"
+ sql """
+ CREATE TABLE IF NOT EXISTS ${table_name} (
+ k bigint,
+ v variant
+ )
+ DUPLICATE KEY(`k`)
+ DISTRIBUTED BY HASH(k) BUCKETS 1
+ properties("replication_num" = "1", "disable_auto_compaction" =
"false");
+ """
+ try {
+ sql """insert into ${table_name} values (1, '{"a" : 1, "b" : 2, "c" :
3, "d" : 4, "e" : 5}')"""
Review Comment:
column size is 5 + 1 = 6 ?
##########
regression-test/suites/variant_p0/column_size_limit.groovy:
##########
@@ -0,0 +1,52 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("regression_test_variant_column_limit", "nonConcurrent"){
+ def set_be_config = { key, value ->
+ String backend_id;
+ def backendId_to_backendIP = [:]
+ def backendId_to_backendHttpPort = [:]
+ getBackendIpHttpPort(backendId_to_backendIP,
backendId_to_backendHttpPort);
+
+ backend_id = backendId_to_backendIP.keySet()[0]
+ def (code, out, err) =
update_be_config(backendId_to_backendIP.get(backend_id),
backendId_to_backendHttpPort.get(backend_id), key, value)
+ logger.info("update config: code=" + code + ", out=" + out + ", err="
+ err)
+ }
+ def table_name = "var_column_limit"
+ set_be_config.call("variant_max_merged_tablet_schema_size", "5")
+ sql "DROP TABLE IF EXISTS ${table_name}"
+ sql """
+ CREATE TABLE IF NOT EXISTS ${table_name} (
+ k bigint,
+ v variant
+ )
+ DUPLICATE KEY(`k`)
+ DISTRIBUTED BY HASH(k) BUCKETS 1
+ properties("replication_num" = "1", "disable_auto_compaction" =
"false");
+ """
+ try {
+ sql """insert into ${table_name} values (1, '{"a" : 1, "b" : 2, "c" :
3, "d" : 4, "e" : 5}')"""
Review Comment:
Execute this SQL again to confirm that the same column won't be added.
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