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authorTom Lane <tgl@sss.pgh.pa.us>2011-12-18 15:49:00 -0500
committerTom Lane <tgl@sss.pgh.pa.us>2011-12-18 15:50:37 -0500
commit3695a555136a6d179cac8ae48d5f90171d5b30e9 (patch)
treeefb7fb5afb3dea1292c9a50635b53215cc548e64 /src/backend/access/spgist
parent19d223171801dda36f84e24dc89c9fbab1ababad (diff)
downloadpostgresql-3695a555136a6d179cac8ae48d5f90171d5b30e9.tar.gz
postgresql-3695a555136a6d179cac8ae48d5f90171d5b30e9.zip
Replace simple constant pg_am.amcanreturn with an AM support function.
The need for this was debated when we put in the index-only-scan feature, but at the time we had no near-term expectation of having AMs that could support such scans for only some indexes; so we kept it simple. However, the SP-GiST AM forces the issue, so let's fix it. This patch only installs the new API; no behavior actually changes.
Diffstat (limited to 'src/backend/access/spgist')
-rw-r--r--src/backend/access/spgist/spgscan.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/backend/access/spgist/spgscan.c b/src/backend/access/spgist/spgscan.c
index ac309649682..748265ecba7 100644
--- a/src/backend/access/spgist/spgscan.c
+++ b/src/backend/access/spgist/spgscan.c
@@ -559,3 +559,10 @@ spggettuple(PG_FUNCTION_ARGS)
PG_RETURN_BOOL(false);
}
+
+Datum
+spgcanreturn(PG_FUNCTION_ARGS)
+{
+ /* Not implemented yet */
+ PG_RETURN_BOOL(false);
+}