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-rw-r--r--contrib/pg_freespacemap/pg_freespacemap--1.2--1.3.sql2
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/pg_freespacemap/pg_freespacemap--1.2--1.3.sql b/contrib/pg_freespacemap/pg_freespacemap--1.2--1.3.sql
index 7f92c9e92e3..4986109bdaf 100644
--- a/contrib/pg_freespacemap/pg_freespacemap--1.2--1.3.sql
+++ b/contrib/pg_freespacemap/pg_freespacemap--1.2--1.3.sql
@@ -9,5 +9,5 @@ RETURNS SETOF RECORD
LANGUAGE SQL PARALLEL SAFE
BEGIN ATOMIC
SELECT blkno, pg_freespace($1, blkno) AS avail
- FROM generate_series(0, pg_relation_size($1) / current_setting('block_size')::bigint - 1) AS blkno;
+ FROM generate_series('0'::bigint, pg_relation_size($1) / current_setting('block_size'::text)::bigint - '1'::bigint) AS blkno;
END;