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ExecRestrPos() really needs to raise ERROR, not a wimpy DEBUG message,

if given a node type it doesn't support. As is, wrong results from amergejoin would go undetected.

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+18

-11

lines changed

src/backend/executor
- execAmi.c

1 file changed

+18

-11

lines changed

`‎src/backend/executor/execAmi.c`

Lines changed: 18 additions & 11 deletions

Original file line number	Diff line number	Diff line change
`@@ -6,7 +6,7 @@`
`6`	`6`	`* Portions Copyright (c) 1996-2000, PostgreSQL, Inc`
`7`	`7`	`* Portions Copyright (c) 1994, Regents of the University of California`
`8`	`8`	`*`
`9`		`- *$Id: execAmi.c,v 1.49 2000/07/12 02:37:00 tgl Exp $`
	`9`	`+ *$Id: execAmi.c,v 1.50 2000/07/25 23:43:38 tgl Exp $`
`10`	`10`	`*`
`11`	`11`	`*-------------------------------------------------------------------------`
`12`	`12`	`*/`
`@@ -356,7 +356,8 @@ ExecReScan(Plan node, ExprContext exprCtxt, Plan *parent)`
`356`	`356`	`break;`
`357`	`357`
`358`	`358`	`default:`
`359`		`-elog(ERROR,"ExecReScan: node type %u not supported",nodeTag(node));`
	`359`	`+elog(ERROR,"ExecReScan: node type %d not supported",`
	`360`	`+nodeTag(node));`
`360`	`361`	`return;`
`361`	`362`	`}`
`362`	`363`
`@@ -393,7 +394,8 @@ ExecReScanR(Relation relDesc,/* LLL relDesc unused */`
`393`	`394`	`*`
`394`	`395`	`*Marks the current scan position.`
`395`	`396`	`*`
`396`		`- *XXX Needs to be extended to include all the node types.`
	`397`	`+ *XXX Needs to be extended to include all the node types,`
	`398`	`+ *or at least all the ones that can be directly below a mergejoin.`
`397`	`399`	`* ----------------------------------------------------------------`
`398`	`400`	`*/`
`399`	`401`	`void`
`@@ -422,16 +424,20 @@ ExecMarkPos(Plan *node)`
`422`	`424`	`break;`
`423`	`425`
`424`	`426`	`default:`
`425`		`-elog(DEBUG,"ExecMarkPos: node type %u not supported",nodeTag(node));`
	`427`	`+/* don't make hard error unless caller asks to restore... */`
	`428`	`+elog(DEBUG,"ExecMarkPos: node type %d not supported",`
	`429`	`+nodeTag(node));`
`426`	`430`	`break;`
`427`	`431`	`}`
`428`		`-return;`
`429`	`432`	`}`
`430`	`433`
`431`	`434`	`/* ----------------------------------------------------------------`
`432`	`435`	`*ExecRestrPos`
`433`	`436`	`*`
`434`	`437`	`*restores the scan position previously saved with ExecMarkPos()`
	`438`	`+ *`
	`439`	`+ *XXX Needs to be extended to include all the node types,`
	`440`	`+ *or at least all the ones that can be directly below a mergejoin.`
`435`	`441`	`* ----------------------------------------------------------------`
`436`	`442`	`*/`
`437`	`443`	`void`
`@@ -441,22 +447,23 @@ ExecRestrPos(Plan *node)`
`441`	`447`	`{`
`442`	`448`	`caseT_SeqScan:`
`443`	`449`	`ExecSeqRestrPos((SeqScan*)node);`
`444`		`-return;`
	`450`	`+break;`
`445`	`451`
`446`	`452`	`caseT_IndexScan:`
`447`	`453`	`ExecIndexRestrPos((IndexScan*)node);`
`448`		`-return;`
	`454`	`+break;`
`449`	`455`
`450`	`456`	`caseT_Material:`
`451`	`457`	`ExecMaterialRestrPos((Material*)node);`
`452`		`-return;`
	`458`	`+break;`
`453`	`459`
`454`	`460`	`caseT_Sort:`
`455`	`461`	`ExecSortRestrPos((Sort*)node);`
`456`		`-return;`
	`462`	`+break;`
`457`	`463`
`458`	`464`	`default:`
`459`		`-elog(DEBUG,"ExecRestrPos: node type %u not supported",nodeTag(node));`
`460`		`-return;`
	`465`	`+elog(ERROR,"ExecRestrPos: node type %d not supported",`
	`466`	`+nodeTag(node));`
	`467`	`+break;`
`461`	`468`	`}`
`462`	`469`	`}`

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`‎src/backend/executor/execAmi.c`

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