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commit    eba8cc1af8ec57aff99f11ef9cdf24a641c159b0
Author:   Nathan Bossart <nathan@postgresql.org>
Date:     Mon Oct 07 21:49:20 2024 +0000
First released in: 18.0, 12.21, 13.17, 14.14, 15.9, 16.5, 17.1

    vacuumdb: Schema-qualify operator in catalog query's WHERE clause.
    
    Commit 1ab67c9dfa, which modified this catalog query so that it
    doesn't return temporary relations, forgot to schema-qualify the
    operator.  A comment earlier in the function implores us to fully
    qualify everything in the query:
    
    	 * Since we execute the constructed query with the default search_path
    	 * (which could be unsafe), everything in this query MUST be fully
    	 * qualified.
    
    This commit fixes that.  While at it, add a newline for consistency
    with surrounding code.
    
    Reviewed-by: Noah Misch
    Discussion: https://postgr.es/m/ZwQJYcuPPUsF0reU%40nathan
    Backpatch-through: 12


 src/bin/scripts/vacuumdb.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/bin/scripts/vacuumdb.c b/src/bin/scripts/vacuumdb.c
index 50b65b8a5c9..c59790cd123 100644
--- a/src/bin/scripts/vacuumdb.c
+++ b/src/bin/scripts/vacuumdb.c
@@ -694,7 +694,8 @@ vacuum_one_database(ConnParams *cparams,
 	 * Exclude temporary tables, beginning the WHERE clause.
 	 */
 	appendPQExpBufferStr(&catalog_query,
-						 " WHERE c.relpersistence != " CppAsString2(RELPERSISTENCE_TEMP));
+						 " WHERE c.relpersistence OPERATOR(pg_catalog.!=) "
+						 CppAsString2(RELPERSISTENCE_TEMP) "\n");
 
 	/*
 	 * Used to match the tables or schemas listed by the user, for the WHERE


[parent: 8aaf88b63de3]