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fix(backfill): populate cdc timestamp for snapshot records when cdc enabled #1059

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fix(backfill): populate cdc timestamp for snapshot records when cdc enabled #1059

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97ec2d3
Merge pull request #1041 from datazip-inc/staging
hash-data Jul 24, 2026
354c09b
fix(backfill): populate cdc timestamp for snapshot records when cdc e…
krishanu7 Jul 31, 2026
8aad6ac
Merge branch 'staging' into fix/cdc-timestamp-null-error
ImDoubD-datazip Aug 3, 2026
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5 changes: 3 additions & 2 deletions drivers/abstract/backfill.go
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,8 @@ func (a *AbstractDriver) Backfill(mainCtx context.Context, backfilledStreams cha

logger.Infof("Thread[%s]: created writer for chunk min[%s] and max[%s] of stream %s", threadID, chunk.Min, chunk.Max, stream.ID())

hasCDCTimestamp, _ := stream.GetStream().Schema.GetProperty(constants.CdcTimestamp)

return a.driver.ChunkIterator(backfillCtx, stream, chunk, func(ctx context.Context, data map[string]any, sourceBytes int64) error {
olakeID := utils.GetKeysHash(data, stream.GetStream().SourceDefinedPrimaryKey.Array()...)
olakeColumns := map[string]any{
Expand All @@ -84,8 +86,7 @@ func (a *AbstractDriver) Backfill(mainCtx context.Context, backfilledStreams cha
constants.OlakeTimestamp: time.Now().UTC(),
}

// Add CDC specific columns only for CDC mode
if stream.GetSyncMode() == types.CDC {
if hasCDCTimestamp {
olakeColumns[constants.CdcTimestamp] = time.Unix(0, 0)
}

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