Rename pg_checkpointer predefined role to pg_checkpoint.

This is more consistent with how other predefined roles that confer
specific privileges are named.

Nathan Bosart

Discussion: http://postgr.es/m/CA+TgmoatH7+yYe+A8uJFNogg3VUDtFE6c-77yHAY8TRWR7oqyw@mail.gmail.com

Author: robertmhaas

doc/src/sgml/ref/checkpoint.sgml

@@ -53,7 +53,7 @@ CHECKPOINT
 
   <para>
    Only superusers or users with the privileges of
-   the <link linkend="predefined-roles-table"><literal>pg_checkpointer</literal></link>
+   the <link linkend="predefined-roles-table"><literal>pg_checkpoint</literal></link>
    role can call <command>CHECKPOINT</command>.
   </para>
  </refsect1>

doc/src/sgml/user-manag.sgml

@@ -583,7 +583,7 @@ DROP ROLE doomed_role;
        COPY and other functions which allow executing a server-side program.</entry>
       </row>
       <row>
-       <entry>pg_checkpointer</entry>
+       <entry>pg_checkpoint</entry>
        <entry>Allow executing
        the <link linkend="sql-checkpoint"><command>CHECKPOINT</command></link>
        command.</entry>

src/backend/tcop/utility.c

@@ -947,10 +947,10 @@ standard_ProcessUtility(PlannedStmt *pstmt,
 			break;
 
 		case T_CheckPointStmt:
-			if (!has_privs_of_role(GetUserId(), ROLE_PG_CHECKPOINTER))
+			if (!has_privs_of_role(GetUserId(), ROLE_PG_CHECKPOINT))
 				ereport(ERROR,
 						(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
-						 errmsg("must be superuser or have privileges of pg_checkpointer to do CHECKPOINT")));
+						 errmsg("must be superuser or have privileges of pg_checkpoint to do CHECKPOINT")));
 
 			RequestCheckpoint(CHECKPOINT_IMMEDIATE | CHECKPOINT_WAIT |
 							  (RecoveryInProgress() ? 0 : CHECKPOINT_FORCE));

src/include/catalog/catversion.h

@@ -53,6 +53,6 @@
  */
 
 /*							yyyymmddN */
-#define CATALOG_VERSION_NO	202207051
+#define CATALOG_VERSION_NO	202207052
 
 #endif

src/include/catalog/pg_authid.dat

@@ -79,8 +79,8 @@
   rolcreaterole => 'f', rolcreatedb => 'f', rolcanlogin => 'f',
   rolreplication => 'f', rolbypassrls => 'f', rolconnlimit => '-1',
   rolpassword => '_null_', rolvaliduntil => '_null_' },
-{ oid => '4544', oid_symbol => 'ROLE_PG_CHECKPOINTER',
-  rolname => 'pg_checkpointer', rolsuper => 'f', rolinherit => 't',
+{ oid => '4544', oid_symbol => 'ROLE_PG_CHECKPOINT',
+  rolname => 'pg_checkpoint', rolsuper => 'f', rolinherit => 't',
   rolcreaterole => 'f', rolcreatedb => 'f', rolcanlogin => 'f',
   rolreplication => 'f', rolbypassrls => 'f', rolconnlimit => '-1',
   rolpassword => '_null_', rolvaliduntil => '_null_' },