[cdc] Support computed columns when sync_database#5816
Merged
yuzelin merged 2 commits intoapache:masterfrom Jul 1, 2025
Merged
[cdc] Support computed columns when sync_database#5816yuzelin merged 2 commits intoapache:masterfrom
yuzelin merged 2 commits intoapache:masterfrom
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yuzelin
reviewed
Jul 1, 2025
| /** Returns an instance of an unresolved {@link CdcSchema}. */ | ||
| public CdcSchema build() { | ||
| return new CdcSchema(columns, primaryKeys, comment); | ||
| List<DataField> fields = columns.values().stream().collect(Collectors.toList()); |
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List<DataField> fields = new ArrayList<>(columns.values())
| /** Test for ComputedColumnUtils. */ | ||
| public class ComputedColumnUtilsTest { | ||
| @Test | ||
| public void test() { |
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Purpose
To use computed columns when sync_database. The computed columns could refer to existed fields or other computed columns.
Tests
Test computed columns when sync_database, with e2e case
org.apache.paimon.flink.action.cdc.kafka.KafkaCanalSyncDatabaseActionITCase#testExpressionNow
, by adding a new filed: pt=date_format(etl_update_time,yyyy-MM-dd).
Test the sortting of computed columns, with case:
org.apache.paimon.flink.action.cdc.ComputedColumnUtilsTest
API and Format
Documentation