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Allow specifying pg_waldump --rmgr option multiple times. 

Before, if you specified multiple --rmgr options, only the last one took
effect. It seems more sensible to select all the specified resource
managers.

Reviewed-By: Daniel Gustafsson, Julien Rouhaud
Discussion: https://www.postgresql.org/message-id/98344bc2-e222-02ad-a75b-81ffc614c155%40iki.fi
This commit is contained in:
Heikki Linnakangas 2021-07-01 15:32:57 +03:00
parent 71ba45a360
commit c8bf5098cb
2 changed files with 11 additions and 8 deletions
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3
doc/src/sgml/ref/pg_waldump.sgml
View File

@ -142,7 +142,8 @@ PostgreSQL documentation
<term><option>--rmgr=<replaceable>rmgr</replaceable></option></term>
<listitem>
<para>
Only display records generated by the specified resource manager.
Only display records generated by the specified resource manager. You can
specify the option multiple times to select multiple resource managers.
If <literal>list</literal> is passed as name, print a list of valid resource manager
names, and exit.
</para>

16
src/bin/pg_waldump/pg_waldump.c
View File

@ -49,7 +49,8 @@ typedef struct XLogDumpConfig
bool stats_per_record;
/* filter options */
int filter_by_rmgr;
bool filter_by_rmgr[RM_MAX_ID + 1];
bool filter_by_rmgr_enabled;
TransactionId filter_by_xid;
bool filter_by_xid_enabled;
} XLogDumpConfig;
@ -825,7 +826,8 @@ main(int argc, char **argv)
config.stop_after_records = -1;
config.already_displayed_records = 0;
config.follow = false;
config.filter_by_rmgr = -1;
/* filter_by_rmgr array was zeroed by memset above */
config.filter_by_rmgr_enabled = false;
config.filter_by_xid = InvalidTransactionId;
config.filter_by_xid_enabled = false;
config.stats = false;
@ -884,12 +886,12 @@ main(int argc, char **argv)
{
if (pg_strcasecmp(optarg, RmgrDescTable[i].rm_name) == 0)
{
config.filter_by_rmgr = i;
config.filter_by_rmgr[i] = true;
config.filter_by_rmgr_enabled = true;
break;
}
}
if (config.filter_by_rmgr == -1)
if (i > RM_MAX_ID)
{
pg_log_error("resource manager \"%s\" does not exist",
optarg);
@ -1098,8 +1100,8 @@ main(int argc, char **argv)
}
/* apply all specified filters */
if (config.filter_by_rmgr != -1 &&
config.filter_by_rmgr != record->xl_rmid)
if (config.filter_by_rmgr_enabled &&
!config.filter_by_rmgr[record->xl_rmid])
continue;
if (config.filter_by_xid_enabled &&