[GitHub] [flink-table-store] zjureel commented on a diff in pull request #423: [FLINK-27844] Support column type evolution in file meta

[GitBox <gi...@apache.org>]

zjureel commented on code in PR #423:
URL: https://github.com/apache/flink-table-store/pull/423#discussion_r1049126191


##########
flink-table-store-core/src/main/java/org/apache/flink/table/store/file/schema/DataValueConverter.java:
##########
@@ -0,0 +1,327 @@
+/*
+ * 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.
+ */
+
+package org.apache.flink.table.store.file.schema;
+
+import org.apache.flink.table.data.DecimalData;
+import org.apache.flink.table.data.StringData;
+import org.apache.flink.table.data.TimestampData;
+import org.apache.flink.table.store.utils.DateTimeUtils;
+import org.apache.flink.table.types.logical.DecimalType;
+import org.apache.flink.table.types.logical.LogicalType;
+import org.apache.flink.table.types.logical.utils.LogicalTypeCasts;
+
+import org.apache.commons.lang3.StringUtils;
+
+import java.math.BigDecimal;
+import java.sql.Date;
+
+import static org.apache.flink.table.types.logical.LogicalTypeRoot.BINARY;
+import static org.apache.flink.table.types.logical.LogicalTypeRoot.CHAR;
+import static org.apache.flink.table.types.logical.LogicalTypeRoot.DATE;
+import static org.apache.flink.table.types.logical.LogicalTypeRoot.DECIMAL;
+import static org.apache.flink.table.types.logical.LogicalTypeRoot.TIMESTAMP_WITHOUT_TIME_ZONE;
+import static org.apache.flink.table.types.logical.LogicalTypeRoot.VARBINARY;
+import static org.apache.flink.table.types.logical.LogicalTypeRoot.VARCHAR;
+import static org.apache.flink.util.Preconditions.checkState;
+
+/** Data value converter for column type evolution. */
+public class DataValueConverter {

Review Comment:
   I found it's better to introduce cast executor codegen from flink, and we can use it to check column type evolution later. I have created an issue https://issues.apache.org/jira/browse/FLINK-30423 for this and fix it first



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: issues-unsubscribe@flink.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org