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acccad9879
The PR introduces code changes to fix Issue [6303](https://github.com/citusdata/citus/issues/6303) `create_distributed_table_concurrently` following drop column, creates a buggy situation in split decoder. * Consider the below scenario: * Session1 : Drop column followed by create_distributed_table_concurrently * Session2 : Concurrent insert workload The child shards created by `create_distributed_table_concurrently` will have less columns than the source shard because some column were dropped. The incoming tuple from session2 will have more columns as the writes happened on source shard. But now the tuple needs to be applied on child shard. So we need to format existing tuple according to child schema and skip dropped column values. The PR fixes this by reformatting the tuple according the target child schema. Test: 1) isolation_create_distributed_concurrently_after_drop_column - Repros the issue and tests on the same. |
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