Convert SQL Server CDC row data following upstream and expected type #21896
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Talked with @xiangjinwu offline, For SQL Server CDC, since a third-party library is used to read snapshots, the current schema check does not take into account the schema of the upstream table but only checks the converted schema.
This will cause some problems, such as the upstream Money type will be converted to i64, but we only have this i64 and cannot determine whether the i64 is the upstream i64 or the upstream Money type. We should use the upstream datatype, the intermediate data type, and the target data type to perform schema check. Currently, for this issue, the Money type has been specially judged as a hot fix.
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