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Fix bug in the new B-tree incomplete-split code.

Inserting a downlink to an internal page clears the incomplete-split flagof the child's left sibling, so the left sibling's LSN also needs to beupdated.

1 parentf753429 commit954523cCopy full SHA for 954523c

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src/backend/access/nbtree
- nbtinsert.c

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`‎src/backend/access/nbtree/nbtinsert.c`

Lines changed: 8 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -910,6 +910,10 @@ _bt_insertonpg(Relation rel,`
`910`	`910`	`{`
`911`	`911`	`PageSetLSN(metapg,recptr);`
`912`	`912`	`}`
	`913`	`+if (BufferIsValid(cbuf))`
	`914`	`+{`
	`915`	`+PageSetLSN(BufferGetPage(cbuf),recptr);`
	`916`	`+}`
`913`	`917`
`914`	`918`	`PageSetLSN(page,recptr);`
`915`	`919`	`}`
`@@ -1402,6 +1406,10 @@ _bt_split(Relation rel, Buffer buf, Buffer cbuf, OffsetNumber firstright,`
`1402`	`1406`	`{`
`1403`	`1407`	`PageSetLSN(spage,recptr);`
`1404`	`1408`	`}`
	`1409`	`+if (!isleaf)`
	`1410`	`+{`
	`1411`	`+PageSetLSN(BufferGetPage(cbuf),recptr);`
	`1412`	`+}`
`1405`	`1413`	`}`
`1406`	`1414`
`1407`	`1415`	`END_CRIT_SECTION();`

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Commit954523c

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`‎src/backend/access/nbtree/nbtinsert.c`

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