duowan1520 commented on code in PR #7694:
URL: https://github.com/apache/inlong/pull/7694#discussion_r1160569657
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inlong-sort/sort-connectors/mysql-cdc/src/main/java/org/apache/inlong/sort/cdc/mysql/source/reader/MySqlRecordEmitter.java:
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@@ -112,7 +119,8 @@ public void emitRecord(SourceRecord element,
SourceOutput<T> output, MySqlSplitS
for (TableChange tableChange : changes) {
splitState.asBinlogSplitState().recordSchema(tableChange.getId(), tableChange);
if (includeSchemaChanges) {
- outputDdlElement(element, output, splitState, tableChange);
+ TableChange newTableChange =
ColumnFilterUtil.createTableChange(tableChange, columnNameFilter);
Review Comment:
Hi. There is a premise here. When the task sets the
debezium.column.include.list/debezium.column.exclude.list parameter, it means
that the task will only focus on those specified columns. When the filtered
columns have dml and ddl changes , whose changes need to be ignored.
Therefore, when the columnFilter is applied here, the schema only retains
the columns required by the task. In this way, the downstream can also filter
out the columns that are not concerned in the ddl statement based on the new
schema (todo)
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