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Commit7f848cb

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Remove superfluous autoprewarm check
autoprewarm_database_main() prewarms blocks from the same database. Itis passed an array of sorted BlockInfoRecords and a start and stop indexinto the array. The range represented should include only blocksbelonging to global objects or blocks from a single database. Remove anunnecessary check that the current block is from the same database andadd an assert to ensure this invariant remains. Doing so removes aspecial case that makes future refactoring to accommodate readstreamifying autoprewarm easier.Noticed off-list by Andres Freund
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‎contrib/pg_prewarm/autoprewarm.c

Lines changed: 3 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -463,12 +463,10 @@ autoprewarm_database_main(Datum main_arg)
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CHECK_FOR_INTERRUPTS();
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/*
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*Quit if we've reached records for another database. If previous
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*blocks are of someglobal objects, then continue pre-warming.
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*All blocks between prewarm_start_idx and prewarm_stop_idx should
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*belong either toglobal objects or the same database.
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*/
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if (old_blk!=NULL&&old_blk->database!=blk->database&&
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old_blk->database!=0)
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break;
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Assert(blk->database==apw_state->database||blk->database==0);
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/*
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* As soon as we encounter a block of a new relation, close the old

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