lvyanquan commented on code in PR #3824:
URL: https://github.com/apache/flink-cdc/pull/3824#discussion_r1914351331
##########
flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-paimon/src/test/java/org/apache/flink/cdc/connectors/paimon/sink/PaimonMetadataApplierTest.java:
##########
@@ -137,6 +140,12 @@ public void testApplySchemaChange(String metastore)
Assertions.assertEquals(
tableSchema,
catalog.getTable(Identifier.fromString("test.table1")).rowType());
+ Assertions.assertEquals(
+ "col3DefValue",
+ catalog.getTable(Identifier.fromString("test.table1"))
+ .options()
+ .get("fields.col3.default-value"));
+
Map<String, String> nameMapping = new HashMap<>();
nameMapping.put("col2", "newcol2");
nameMapping.put("col3", "newcol3");
Review Comment:
This is because Paimon saves column information through table options, and
when renaming or dropping columns, we also need to modify these options
accordingly.
for example, for renaming col3 to newcol3, we should modify the option like:
fields.col3.default-value: col3DefValue => fields.newcol3.default-value:
col3DefValue
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