diff options
| -rw-r--r-- | src/backend/access/hash/hashpage.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/backend/access/hash/hashpage.c b/src/backend/access/hash/hashpage.c index 74ffa9d161f..44332e72ec6 100644 --- a/src/backend/access/hash/hashpage.c +++ b/src/backend/access/hash/hashpage.c @@ -653,13 +653,21 @@ restart_expand: */ if (H_NEEDS_SPLIT_CLEANUP(oopaque)) { + /* + * Copy bucket mapping info now; refer to the comment in code below + * where we copy this information before calling _hash_splitbucket + * to see why this is okay. + */ + maxbucket = metap->hashm_maxbucket; + highmask = metap->hashm_highmask; + lowmask = metap->hashm_lowmask; + /* Release the metapage lock. */ _hash_chgbufaccess(rel, metabuf, HASH_READ, HASH_NOLOCK); hashbucketcleanup(rel, old_bucket, buf_oblkno, start_oblkno, NULL, - metap->hashm_maxbucket, metap->hashm_highmask, - metap->hashm_lowmask, NULL, - NULL, true, NULL, NULL); + maxbucket, highmask, lowmask, NULL, NULL, true, + NULL, NULL); _hash_dropbuf(rel, buf_oblkno); |