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Defend against null scankeys in spgist searches.

Should've thought of that one earlier.

1 parent5577ca5 commitb7a0e8fCopy full SHA for b7a0e8f

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+24

-6

lines changed

src/backend/access/spgist
- spgscan.c

1 file changed

+24

-6

lines changed

`‎src/backend/access/spgist/spgscan.c‎`

Lines changed: 24 additions & 6 deletions

Original file line number	Diff line number	Diff line change
`@@ -162,13 +162,22 @@ spgLeafTest(SpGistScanOpaque so, Datum leafDatum,`
`162`	`162`	`oldCtx=MemoryContextSwitchTo(so->tempCxt);`
`163`	`163`	`for (i=0;i<so->numberOfKeys;i++)`
`164`	`164`	`{`
`165`		`-in.strategy=so->keyData[i].sk_strategy;`
`166`		`-in.query=so->keyData[i].sk_argument;`
	`165`	`+ScanKeyskey=&so->keyData[i];`
	`166`	`+`
	`167`	`+/* Assume SPGiST-indexable operators are strict */`
	`168`	`+if (skey->sk_flags&SK_ISNULL)`
	`169`	`+{`
	`170`	`+result= false;`
	`171`	`+break;`
	`172`	`+}`
	`173`	`+`
	`174`	`+in.strategy=skey->sk_strategy;`
	`175`	`+in.query=skey->sk_argument;`
`167`	`176`
`168`	`177`	`out.recheck= false;`
`169`	`178`
`170`	`179`	`result=DatumGetBool(FunctionCall2Coll(&so->state.leafConsistentFn,`
`171`		`-so->keyData[i].sk_collation,`
	`180`	`+skey->sk_collation,`
`172`	`181`	`PointerGetDatum(&in),`
`173`	`182`	`PointerGetDatum(&out)));`
`174`	`183`	`*recheck \|=out.recheck;`
`@@ -398,13 +407,22 @@ spgWalk(Relation index, SpGistScanOpaque so, bool scanWholeIndex,`
`398`	`407`
`399`	`408`	`for (j=0;j<so->numberOfKeys;j++)`
`400`	`409`	`{`
`401`		`-in.strategy=so->keyData[j].sk_strategy;`
`402`		`-in.query=so->keyData[j].sk_argument;`
	`410`	`+ScanKeyskey=&so->keyData[j];`
	`411`	`+`
	`412`	`+/* Assume SPGiST-indexable operators are strict */`
	`413`	`+if (skey->sk_flags&SK_ISNULL)`
	`414`	`+{`
	`415`	`+nMatches=0;`
	`416`	`+break;`
	`417`	`+}`
	`418`	`+`
	`419`	`+in.strategy=skey->sk_strategy;`
	`420`	`+in.query=skey->sk_argument;`
`403`	`421`
`404`	`422`	`memset(&out,0,sizeof(out));`
`405`	`423`
`406`	`424`	`FunctionCall2Coll(&so->state.innerConsistentFn,`
`407`		`-so->keyData[j].sk_collation,`
	`425`	`+skey->sk_collation,`
`408`	`426`	`PointerGetDatum(&in),`
`409`	`427`	`PointerGetDatum(&out));`
`410`	`428`

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Commitb7a0e8f

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`‎src/backend/access/spgist/spgscan.c‎`

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