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075aade436
Add several assertions that ensure that we're dealing with a pivot tuple without non-key attributes where that's expected. Also, remove the assertion within _bt_isequal(), restoring the v10 function signature. A similar check will be performed for the page highkey within _bt_moveright() in most cases. Also avoid dropping all objects within regression tests, to increase pg_dump test coverage for INCLUDE indexes. Rather than using infrastructure that's generally intended to be used with reference counted heap tuple descriptors during truncation, use the same function that was introduced to store flat TupleDescs in shared memory (we use a temp palloc'd buffer). This isn't strictly necessary, but seems more future-proof than the old approach. It also lets us avoid including rel.h within indextuple.c, which was arguably a modularity violation. Also, we now call index_deform_tuple() with the truncated TupleDesc, not the source TupleDesc, since that's more robust, and saves a few cycles. In passing, fix a memory leak by pfree'ing truncated pivot tuple memory during CREATE INDEX. Also pfree during a page split, just to be consistent. Refactor _bt_check_natts() to be more readable. Author: Peter Geoghegan with some editorization by me Reviewed by: Alexander Korotkov, Teodor Sigaev Discussion: https://www.postgresql.org/message-id/CAH2-Wz%3DkCWuXeMrBCopC-tFs3FbiVxQNjjgNKdG2sHxZ5k2y3w%40mail.gmail.com |
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