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Previously, diffs would only look at the schema hash when determining whether or not a table had a schema change. However, the auto increment counter, which is considered part of the schema, is not stored in the schema flatbuffer and thus does not affect the schema hash.
This led to situations where a diff would detect that a table had changed (because the table hash changed), but it reported neither a data change or a schema change (because the data hash and schema hash were the same.) This was confusing.
Now, dolt_diff_summary will correctly report a schema change when the auto increment counter has changed, and dolt diff will show the autoincrement value in the SHOW CREATE TABLE output.
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Potential fix for #8907
Previously, diffs would only look at the schema hash when determining whether or not a table had a schema change. However, the auto increment counter, which is considered part of the schema, is not stored in the schema flatbuffer and thus does not affect the schema hash.
This led to situations where a diff would detect that a table had changed (because the table hash changed), but it reported neither a data change or a schema change (because the data hash and schema hash were the same.) This was confusing.
Now,
dolt_diff_summarywill correctly report a schema change when the auto increment counter has changed, anddolt diffwill show the autoincrement value in theSHOW CREATE TABLEoutput.