sandynz commented on code in PR #25257:
URL: https://github.com/apache/shardingsphere/pull/25257#discussion_r1173397337
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kernel/data-pipeline/core/src/main/java/org/apache/shardingsphere/data/pipeline/core/importer/DataRecordMerger.java:
##########
@@ -119,21 +119,22 @@ private void mergeUpdate(final DataRecord dataRecord,
final Map<DataRecord.Key,
}
private void mergeDelete(final DataRecord dataRecord, final
Map<DataRecord.Key, DataRecord> dataRecords) {
- DataRecord beforeDataRecord = dataRecords.get(dataRecord.getKey());
+ DataRecord beforeDataRecord = dataRecords.get(dataRecord.getOldKey());
Review Comment:
1, `dataRecord.getOldKey()` might be `null`?
2, Could `dataRecord.getOldKey()` method name be updated?
##########
kernel/data-pipeline/core/src/main/java/org/apache/shardingsphere/data/pipeline/core/importer/DataSourceImporter.java:
##########
@@ -221,7 +221,7 @@ private void executeUpdate(final Connection connection,
final DataRecord record)
}
for (int i = 0; i < conditionColumns.size(); i++) {
Column keyColumn = conditionColumns.get(i);
- preparedStatement.setObject(updatedColumns.size() + i + 1,
keyColumn.isUniqueKey() && keyColumn.isUpdated() ? keyColumn.getOldValue() :
keyColumn.getValue());
+ preparedStatement.setObject(updatedColumns.size() + i + 1,
keyColumn.getOldValue());
Review Comment:
`keyColumn.getOldValue()` might be `null`?
##########
kernel/data-pipeline/api/src/main/java/org/apache/shardingsphere/data/pipeline/api/ingest/record/Column.java:
##########
@@ -40,10 +40,6 @@ public final class Column {
private final boolean uniqueKey;
- public Column(final String name, final Object value, final boolean
updated, final boolean uniqueKey) {
- this(name, null, value, updated, uniqueKey);
- }
Review Comment:
Could we keep this constructor? To reduce unrelated changes
##########
kernel/data-pipeline/core/src/main/java/org/apache/shardingsphere/data/pipeline/core/importer/DataRecordMerger.java:
##########
@@ -119,21 +119,22 @@ private void mergeUpdate(final DataRecord dataRecord,
final Map<DataRecord.Key,
}
private void mergeDelete(final DataRecord dataRecord, final
Map<DataRecord.Key, DataRecord> dataRecords) {
- DataRecord beforeDataRecord = dataRecords.get(dataRecord.getKey());
Review Comment:
Could we remove `mergeDelete` and `merge` methods etc
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