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[feature][connector-v2][clickhouse] Support write cdc changelog event in clickhouse sink #3653
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@EricJoy2048 @Hisoka-X PTAL |
Hisoka-X
reviewed
Dec 8, 2022
...onnectors/seatunnel/clickhouse/sink/client/executor/BufferReducedBatchStatementExecutor.java
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valueRowConverter.toExternal(record, updateStatement); | ||
updateStatement.addBatch(); | ||
} else { | ||
if (preChangeFlag != null && preChangeFlag) { |
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If the previous record is an update and this record is an insert, it seems unnecessary to execute the update statement.
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… in clickhouse sink MergeTree Table Engine: - Support enable `allowExperimentalLightweightDelete` setting - CDC Events: - INSERT: INSERT INTO SQL - UPDATE_BEFORE: DELETE SQL - UPDATE_AFTER: INSERT INTO SQL - DELETE: DELETE SQL - ReplacingMergeTree Engine CDC Events: - INSERT: INSERT INTO SQL - UPDATE_BEFORE: ignore - UPDATE_AFTER: INSERT INTO SQL - DELETE: DELETE SQL Other Table Engine: - CDC Events: - INSERT: INSERT INTO SQL - UPDATE_BEFORE: ignore - UPDATE_AFTER: ALTER TABLE UPDATE SQL - DELETE: ALTER TABLE DELETE SQL
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EricJoy2048
approved these changes
Dec 13, 2022
Hisoka-X
approved these changes
Dec 13, 2022
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LGTM
3 tasks
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Purpose of this pull request
Close #3652
MergeTree Table Engine:
Support enable
allowExperimentalLightweightDelete
settingCDC Events:
ReplacingMergeTree Engine CDC Events:
Other Table Engine:
Check list
New License Guide