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Add pg_checkpointer predefined role for CHECKPOINT command.

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Any user with the privileges of pg_checkpointer can issue a CHECKPOINT
command.

Reviewed-by: Stephen Frost
Discussion: https://postgr.es/m/67a1d667e8ec228b5e07f232184c80348c5d93f4.camel%40j-davis.com
This commit is contained in:
Jeff Davis
2021-11-09 10:59:08 -08:00
parent b66767b56b
commit 4168a47454
5 changed files with 18 additions and 4 deletions
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5
src/backend/tcop/utility.c
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@@ -24,6 +24,7 @@
#include "catalog/catalog.h"
#include "catalog/index.h"
#include "catalog/namespace.h"
#include "catalog/pg_authid.h"
#include "catalog/pg_inherits.h"
#include "catalog/toasting.h"
#include "commands/alter.h"
@@ -939,10 +940,10 @@ standard_ProcessUtility(PlannedStmt *pstmt,
break;
case T_CheckPointStmt:
if (!superuser())
if (!has_privs_of_role(GetUserId(), ROLE_PG_CHECKPOINTER))
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("must be superuser to do CHECKPOINT")));
errmsg("must be superuser or have privileges of pg_checkpointer to do CHECKPOINT")));
RequestCheckpoint(CHECKPOINT_IMMEDIATE | CHECKPOINT_WAIT |
(RecoveryInProgress() ? 0 : CHECKPOINT_FORCE));