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Adjust overstrong nbtree skip array assertion.

Make an nbtree array preprocessing assertion account for scans that addfewer skip arrays than initially expected due to preprocessing findingan unsatisfiable array qual.Oversight in commit92fe23d.Author: Peter Geoghegan <pg@bowt.ie>Reported-By: Mark Dilger <mark.dilger@enterprisedb.com>Discussion:https://postgr.es/m/CAHgHdKtQMhHy5qcB3KqCcGiW-Rp8P7KzUFRa9ZMKUiv6zen7LQ@mail.gmail.com

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src/backend/access/nbtree
- nbtpreprocesskeys.c

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

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -1856,7 +1856,7 @@ _bt_preprocess_array_keys(IndexScanDesc scan, int *new_numberOfKeys)`
`1856`	`1856`	`numArrayKeyData++;/* keep this scan key/array */`
`1857`	`1857`	`}`
`1858`	`1858`
`1859`		`-Assert(numSkipArrayKeys==0);`
	`1859`	`+Assert(numSkipArrayKeys==0\|\| !so->qual_ok);`
`1860`	`1860`
`1861`	`1861`	`/* Set final number of equality-type array keys */`
`1862`	`1862`	`so->numArrayKeys=numArrayKeys;`

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Commit9d924db

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

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