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Diffstat (limited to 'contrib/pgstattuple/pgstatapprox.c')
-rw-r--r--contrib/pgstattuple/pgstatapprox.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/contrib/pgstattuple/pgstatapprox.c b/contrib/pgstattuple/pgstatapprox.c
index d36758af9a6..ed62aef7669 100644
--- a/contrib/pgstattuple/pgstatapprox.c
+++ b/contrib/pgstattuple/pgstatapprox.c
@@ -20,6 +20,8 @@
#include "access/multixact.h"
#include "access/htup_details.h"
#include "catalog/namespace.h"
+#include "catalog/pg_am_d.h"
+#include "commands/vacuum.h"
#include "funcapi.h"
#include "miscadmin.h"
#include "storage/bufmgr.h"
@@ -27,7 +29,6 @@
#include "storage/procarray.h"
#include "storage/lmgr.h"
#include "utils/builtins.h"
-#include "commands/vacuum.h"
PG_FUNCTION_INFO_V1(pgstattuple_approx);
PG_FUNCTION_INFO_V1(pgstattuple_approx_v1_5);
@@ -291,6 +292,10 @@ pgstattuple_approx_internal(Oid relid, FunctionCallInfo fcinfo)
errmsg("\"%s\" is not a table or materialized view",
RelationGetRelationName(rel))));
+ if (rel->rd_rel->relam != HEAP_TABLE_AM_OID)
+ ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("only heap AM is supported")));
+
statapprox_heap(rel, &stat);
relation_close(rel, AccessShareLock);