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Commit0fd0f36

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Document and clean up gistsplit.c.
Improve comments, rename some variables and functions, slightly simplifya couple of APIs, in an attempt to make this code readable by people otherthan its original author.Even though this is essentially just cosmetic, back-patch to all activebranches, because otherwise it's going to make back-patching future fixesin this file very painful.
1 parenta187c96 commit0fd0f36

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4 files changed

+319
-170
lines changed

4 files changed

+319
-170
lines changed

‎src/backend/access/gist/gist.c

Lines changed: 1 addition & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -1237,18 +1237,12 @@ gistSplit(Relation r,
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IndexTuple*lvectup,
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*rvectup;
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GistSplitVectorv;
1240-
GistEntryVector*entryvec;
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inti;
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SplitedPageLayout*res=NULL;
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1244-
/* generate the item array */
1245-
entryvec=palloc(GEVHDRSZ+ (len+1)*sizeof(GISTENTRY));
1246-
entryvec->n=len+1;
1247-
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memset(v.spl_lisnull, TRUE,sizeof(bool)*giststate->tupdesc->natts);
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memset(v.spl_risnull, TRUE,sizeof(bool)*giststate->tupdesc->natts);
1250-
gistSplitByKey(r,page,itup,len,giststate,
1251-
&v,entryvec,0);
1245+
gistSplitByKey(r,page,itup,len,giststate,&v,0);
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/* form left and right vector */
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lvectup= (IndexTuple*)palloc(sizeof(IndexTuple)* (len+1));

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