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Debezium lost precision when data type is bigint or decimal #12064

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wk989898 opened this issue Feb 17, 2025 · 1 comment
Open

Debezium lost precision when data type is bigint or decimal #12064

wk989898 opened this issue Feb 17, 2025 · 1 comment
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area/ticdc Issues or PRs related to TiCDC. impact/inconsistency incorrect/inconsistency/inconsistent may-affects-6.1 may-affects-6.5 may-affects-7.1 may-affects-7.5 may-affects-8.1 may-affects-8.5 severity/critical type/bug The issue is confirmed as a bug.

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@wk989898
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wk989898 commented Feb 17, 2025 •
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What did you do?

run debezium integration test

What did you expect to see?

the value lost precision

What did you see instead?

the value of which data type is bigint does not lose precision

Versions of the cluster

TiCDC version (execute cdc version):

master
@wk989898 wk989898 added area/ticdc Issues or PRs related to TiCDC. type/bug The issue is confirmed as a bug. affects-8.1 This bug affects the 8.1.x(LTS) versions. affects-8.5 This bug affects the 8.5.x(LTS) versions. labels Feb 17, 2025
@wk989898
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wk989898 commented Feb 17, 2025 •
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According to the doc, the long type does not offer the greatest precision.
TiCDC implement mode:

bigint.unsigned.handling.mode: long
decimal.handling.mode: double
binary.handling.mode: base64

@wk989898 wk989898 removed affects-8.1 This bug affects the 8.1.x(LTS) versions. affects-8.5 This bug affects the 8.5.x(LTS) versions. labels Feb 17, 2025
@jebter jebter added the impact/inconsistency incorrect/inconsistency/inconsistent label Feb 24, 2025
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area/ticdc Issues or PRs related to TiCDC. impact/inconsistency incorrect/inconsistency/inconsistent may-affects-6.1 may-affects-6.5 may-affects-7.1 may-affects-7.5 may-affects-8.1 may-affects-8.5 severity/critical type/bug The issue is confirmed as a bug.
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@jebter @wk989898