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remove additional and useless loop for each relation file when do ptrack_get_pagemapset query#17
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19 changes: 12 additions & 7 deletionsptrack.c
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -368,6 +368,14 @@ ptrack_filelist_getnext(PtScanCtx * ctx) | ||
| return ptrack_filelist_getnext(ctx); | ||
| } | ||
| if (fst.st_size == 0) | ||
| { | ||
| elog(WARNING, "ptrack: skip empty file %s", fullpath); | ||
| /* But try the next one */ | ||
| return ptrack_filelist_getnext(ctx); | ||
| } | ||
funny-falcon marked this conversation as resolved. Show resolvedHide resolvedUh oh!There was an error while loading.Please reload this page. | ||
| if (pfl->segno > 0) | ||
| { | ||
| ctx->relsize = pfl->segno * RELSEG_SIZE + fst.st_size / BLCKSZ; | ||
| @@ -494,7 +502,7 @@ ptrack_get_pagemapset(PG_FUNCTION_ARGS) | ||
| XLogRecPtrupdate_lsn2; | ||
| /* Stop traversal if there are no more segments */ | ||
| if (ctx->bid.blocknum >= ctx->relsize) | ||
| { | ||
| /* We completed a segment and there is a bitmap to return */ | ||
| if (pagemap.bitmap != NULL) | ||
| @@ -526,12 +534,9 @@ ptrack_get_pagemapset(PG_FUNCTION_ARGS) | ||
| if (htup) | ||
| SRF_RETURN_NEXT(funcctx, HeapTupleGetDatum(htup)); | ||
| } | ||
| if (ptrack_filelist_getnext(ctx) < 0) | ||
| SRF_RETURN_DONE(funcctx); | ||
| } | ||
| hash = BID_HASH_FUNC(ctx->bid); | ||
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