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Remove unused variable

The low variable has not been used since it was added ind168b66and can be safely removed. The variable is present in the Sedgewickpaper "Analysis of Shellsort and Related Algorithms" as a parameterto the shellsort function, but our implementation does not use it.Remove to improve readability of the code.Author: Koki Nakamura <btnakamurakoukil@oss.nttdata.com>Discussion:https://postgr.es/m/8aeb7b3eda53ca4c65fbacf8f43628fb@oss.nttdata.com

1 parenta0be940 commit1e37cc6Copy full SHA for 1e37cc6

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src/backend/access/heap
- heapam.c

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`‎src/backend/access/heap/heapam.c`

Lines changed: 1 addition & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -8302,7 +8302,6 @@ index_delete_sort(TM_IndexDeleteOp *delstate)`
`8302`	`8302`	`{`
`8303`	`8303`	`TM_IndexDelete*deltids=delstate->deltids;`
`8304`	`8304`	`intndeltids=delstate->ndeltids;`
`8305`		`-intlow=0;`
`8306`	`8305`
`8307`	`8306`	`/*`
`8308`	`8307`	`* Shellsort gap sequence (taken from Sedgewick-Incerpi paper).`
`@@ -8318,7 +8317,7 @@ index_delete_sort(TM_IndexDeleteOp *delstate)`
`8318`	`8317`
`8319`	`8318`	`for (intg=0;g<lengthof(gaps);g++)`
`8320`	`8319`	`{`
`8321`		`-for (inthi=gaps[g],i=low+hi;i<ndeltids;i++)`
	`8320`	`+for (inthi=gaps[g],i=hi;i<ndeltids;i++)`
`8322`	`8321`	`{`
`8323`	`8322`	`TM_IndexDeleted=deltids[i];`
`8324`	`8323`	`intj=i;`

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Commit1e37cc6

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`‎src/backend/access/heap/heapam.c`

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