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Diffstat (limited to 'src/backend/optimizer/util/tlist.c')
| -rw-r--r-- | src/backend/optimizer/util/tlist.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/backend/optimizer/util/tlist.c b/src/backend/optimizer/util/tlist.c index f1f1be1b7fe..b5c6a44354f 100644 --- a/src/backend/optimizer/util/tlist.c +++ b/src/backend/optimizer/util/tlist.c @@ -188,6 +188,27 @@ get_tlist_exprs(List *tlist, bool includeJunk) /* + * count_nonjunk_tlist_entries + * What it says ... + */ +int +count_nonjunk_tlist_entries(List *tlist) +{ + int len = 0; + ListCell *l; + + foreach(l, tlist) + { + TargetEntry *tle = (TargetEntry *) lfirst(l); + + if (!tle->resjunk) + len++; + } + return len; +} + + +/* * tlist_same_exprs * Check whether two target lists contain the same expressions * |