lvyanquan commented on code in PR #3569:
URL: https://github.com/apache/flink-cdc/pull/3569#discussion_r1729785901
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flink-cdc-common/src/main/java/org/apache/flink/cdc/common/schema/Schema.java:
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@@ -396,6 +397,9 @@ private void checkColumn(String columnName, DataType type) {
* @param columnNames columns that form a unique primary key
*/
public Builder primaryKey(String... columnNames) {
+ for (int i = 0; i < columnNames.length; i++) {
+ columnNames[i] = columnNames[i].toLowerCase();
Review Comment:
We should avoid modify common class as other connectors may support upper
case, what about modify this in `PaimonMetaDataApplier`?
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