diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/catalog/index.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/backend/catalog/index.c b/src/backend/catalog/index.c index f0223416adf..849a4691277 100644 --- a/src/backend/catalog/index.c +++ b/src/backend/catalog/index.c @@ -1795,8 +1795,10 @@ CompareIndexInfo(IndexInfo *info1, IndexInfo *info2, if (maplen < info2->ii_KeyAttrNumbers[i]) elog(ERROR, "incorrect attribute map"); - if (attmap[info2->ii_KeyAttrNumbers[i] - 1] != - info1->ii_KeyAttrNumbers[i]) + /* ignore expressions at this stage */ + if ((info1->ii_KeyAttrNumbers[i] != InvalidAttrNumber) && + (attmap[info2->ii_KeyAttrNumbers[i] - 1] != + info1->ii_KeyAttrNumbers[i])) return false; if (collations1[i] != collations2[i]) |