Do not filter by relkind in vacuumdb's catalog query if --table is used

If a user specifies a relation name which cannot be processed, then the
backend can warn directly about what is wrong with it.  This fixes an
oversight from e0c2933.

Author: Nathan Bossart
Discussion: https://postgr.es/m/32049A78-C429-4742-AEC1-941C9ABDE7B8@amazon.com

diff --git a/src/bin/scripts/t/100_vacuumdb.pl b/src/bin/scripts/t/100_vacuumdb.pl
index ff0d97971bded338d4d4ed62f29ffc3a87219b8d..5e87af2d519af62c91ec40ea124663751f8b95e1 100644 (file)
--- a/src/bin/scripts/t/100_vacuumdb.pl
+++ b/src/bin/scripts/t/100_vacuumdb.pl
@@ -3,7 +3,7 @@ use warnings;
 
 use PostgresNode;
 use TestLib;
-use Test::More tests => 35;
+use Test::More tests => 38;
 
 program_help_ok('vacuumdb');
 program_version_ok('vacuumdb');
@@ -64,6 +64,7 @@ $node->safe_psql(
        'postgres', q|
   CREATE TABLE "need""q(uot" (")x" text);
   CREATE TABLE vactable (a int, b int);
+  CREATE VIEW vacview AS SELECT 1 as a;
 
   CREATE FUNCTION f0(int) RETURNS int LANGUAGE SQL AS 'SELECT $1 * $1';
   CREATE FUNCTION f1(int) RETURNS int LANGUAGE SQL AS 'SELECT f0($1)';
@@ -88,3 +89,9 @@ $node->issues_sql_like(
        [ 'vacuumdb', '--analyze-only', '--table', 'vactable(b)', 'postgres' ],
        qr/statement: ANALYZE public.vactable\(b\);/,
        'vacuumdb --analyze-only with partial column list');
+$node->command_checks_all(
+       [ 'vacuumdb', '--analyze', '--table', 'vacview', 'postgres' ],
+       0,
+       [qr/^.*vacuuming database "postgres"/],
+       [qr/^WARNING.*cannot vacuum non-tables or special system tables/s],
+       'vacuumdb with view');

diff --git a/src/bin/scripts/vacuumdb.c b/src/bin/scripts/vacuumdb.c
index 05321edb8d4fb07e993d019594692e6aca976849..40ba8283a287f440835b06866df459ff21938f74 100644 (file)
--- a/src/bin/scripts/vacuumdb.c
+++ b/src/bin/scripts/vacuumdb.c
@@ -484,9 +484,16 @@ vacuum_one_database(const char *dbname, vacuumingOptions *vacopts,
                appendPQExpBuffer(&catalog_query, " JOIN listed_tables"
                                                  " ON listed_tables.table_oid OPERATOR(pg_catalog.=) c.oid\n");
 
-       appendPQExpBuffer(&catalog_query, " WHERE c.relkind OPERATOR(pg_catalog.=) ANY (array["
-                                         CppAsString2(RELKIND_RELATION) ", "
-                                         CppAsString2(RELKIND_MATVIEW) "])\n");
+       /*
+        * If no tables were listed, filter for the relevant relation types.  If
+        * tables were given via --table, don't bother filtering by relation type.
+        * Instead, let the server decide whether a given relation can be
+        * processed in which case the user will know about it.
+        */
+       if (!tables_listed)
+               appendPQExpBuffer(&catalog_query, " WHERE c.relkind OPERATOR(pg_catalog.=) ANY (array["
+                                                 CppAsString2(RELKIND_RELATION) ", "
+                                                 CppAsString2(RELKIND_MATVIEW) "])\n");
 
        /*
         * Execute the catalog query.  We use the default search_path for this