Carl-Zhou-CN commented on code in PR #5384:
URL: https://github.com/apache/seatunnel/pull/5384#discussion_r1317050292
##########
seatunnel-connectors-v2/connector-cdc/connector-cdc-base/src/main/java/org/apache/seatunnel/connectors/cdc/base/source/enumerator/splitter/AbstractJdbcSourceChunkSplitter.java:
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@@ -356,16 +357,23 @@ protected Column getSplitColumn(
JdbcConnection jdbc, JdbcDataSourceDialect dialect, TableId
tableId)
throws SQLException {
Optional<PrimaryKey> primaryKey = dialect.getPrimaryKey(jdbc, tableId);
+ Column splitColumn = null;
if (primaryKey.isPresent()) {
List<String> pkColumns = primaryKey.get().getColumnNames();
Table table = dialect.queryTableSchema(jdbc, tableId).getTable();
for (String pkColumn : pkColumns) {
Column column = table.columnWithName(pkColumn);
if (isEvenlySplitColumn(column)) {
- return column;
+ splitColumn = columnComparable(splitColumn, column);
+ if (sqlTypePriority(splitColumn) == 1) {
+ return splitColumn;
+ }
}
}
+ if (splitColumn != null) {
+ return splitColumn;
+ }
Review Comment:
done
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