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Commit3706f08

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Fix recovery cache code (thanks to Peter Eisentraut for

pointing to bug).

1 parentb99ee7f commit3706f08Copy full SHA for 3706f08

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+10

-23

lines changed

src/backend/access/transam
- xlogutils.c

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+10

-23

lines changed

`‎src/backend/access/transam/xlogutils.c`

Lines changed: 10 additions & 23 deletions

Original file line number	Diff line number	Diff line change
`@@ -238,15 +238,14 @@ static XLogRelDesc *_xlrelarr = NULL;`
`238`	`238`	`staticForm_pg_class_xlpgcarr=NULL;`
`239`	`239`	`staticint_xlast=0;`
`240`	`240`	`staticint_xlcnt=0;`
`241`		`-#define_XLOG_INITRELCACHESIZE32`
`242`		`-#define_XLOG_MAXRELCACHESIZE512`
	`241`	`+#define_XLOG_RELCACHESIZE512`
`243`	`242`
`244`	`243`	`staticvoid`
`245`	`244`	`_xl_init_rel_cache(void)`
`246`	`245`	`{`
`247`	`246`	`HASHCTLctl;`
`248`	`247`
`249`		`-_xlcnt=_XLOG_INITRELCACHESIZE;`
	`248`	`+_xlcnt=_XLOG_RELCACHESIZE;`
`250`	`249`	`_xlast=0;`
`251`	`250`	`_xlrelarr= (XLogRelDesc)malloc(sizeof(XLogRelDesc)_xlcnt);`
`252`	`251`	`memset(_xlrelarr,0,sizeof(XLogRelDesc)*_xlcnt);`
`@@ -261,7 +260,7 @@ _xl_init_rel_cache(void)`
`261`	`260`	`ctl.datasize=sizeof(XLogRelDesc*);`
`262`	`261`	`ctl.hash=tag_hash;`
`263`	`262`
`264`		`-_xlrelcache=hash_create(_XLOG_INITRELCACHESIZE,&ctl,`
	`263`	`+_xlrelcache=hash_create(_XLOG_RELCACHESIZE,&ctl,`
`265`	`264`	`HASH_ELEM \|HASH_FUNCTION);`
`266`	`265`	`}`
`267`	`266`
`@@ -297,34 +296,22 @@ _xl_remove_hash_entry(XLogRelDesc **edata, int dummy)`
`297`	`296`	`staticXLogRelDesc*`
`298`	`297`	`_xl_new_reldesc(void)`
`299`	`298`	`{`
	`299`	`+XLogRelDesc*res;`
	`300`	`+`
`300`	`301`	`_xlast++;`
`301`	`302`	`if (_xlast<_xlcnt)`
`302`	`303`	`{`
`303`	`304`	`_xlrelarr[_xlast].reldata.rd_rel=&(_xlpgcarr[_xlast]);`
`304`	`305`	`return(&(_xlrelarr[_xlast]));`
`305`	`306`	`}`
`306`	`307`
`307`		`-if (2*_xlcnt <=_XLOG_MAXRELCACHESIZE)`
`308`		`-{`
`309`		`-_xlrelarr= (XLogRelDesc*)realloc(_xlrelarr,`
`310`		`-2sizeof(XLogRelDesc)_xlcnt);`
`311`		`-memset(&(_xlrelarr[_xlcnt]),0,sizeof(XLogRelDesc)*_xlcnt);`
`312`		`-_xlpgcarr= (Form_pg_class)realloc(_xlpgcarr,`
`313`		`-2sizeof(FormData_pg_class)_xlcnt);`
`314`		`-memset(&(_xlpgcarr[_xlcnt]),0,sizeof(FormData_pg_class)*_xlcnt);`
`315`		`-_xlcnt+=_xlcnt;`
`316`		`-_xlrelarr[_xlast].reldata.rd_rel=&(_xlpgcarr[_xlast]);`
`317`		`-return(&(_xlrelarr[_xlast]));`
`318`		`-}`
`319`		`-else/* reuse */`
`320`		`-{`
`321`		`-XLogRelDesc*res=_xlrelarr[0].moreRecently;`
	`308`	`+/* reuse */`
	`309`	`+res=_xlrelarr[0].moreRecently;`
`322`	`310`
`323`		`-_xl_remove_hash_entry(&res,0);`
	`311`	`+_xl_remove_hash_entry(&res,0);`
`324`	`312`
`325`		`-_xlast--;`
`326`		`-return(res);`
`327`		`-}`
	`313`	`+_xlast--;`
	`314`	`+return(res);`
`328`	`315`	`}`
`329`	`316`
`330`	`317`	`externvoidCreateDummyCaches(void);`

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`‎src/backend/access/transam/xlogutils.c`

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