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-rw-r--r--contrib/pgstattuple/pgstattuple--1.0.sql3
1 files changed, 3 insertions, 0 deletions
diff --git a/contrib/pgstattuple/pgstattuple--1.0.sql b/contrib/pgstattuple/pgstattuple--1.0.sql
index 83445ec4aee..f7e03083ad7 100644
--- a/contrib/pgstattuple/pgstattuple--1.0.sql
+++ b/contrib/pgstattuple/pgstattuple--1.0.sql
@@ -1,5 +1,8 @@
/* contrib/pgstattuple/pgstattuple--1.0.sql */
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "CREATE EXTENSION pgstattuple" to load this file. \quit
+
CREATE FUNCTION pgstattuple(IN relname text,
OUT table_len BIGINT, -- physical table length in bytes
OUT tuple_count BIGINT, -- number of live tuples