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Improve BDR3 node query

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We can get everything we need from bdr.node_summary
This commit is contained in:
Ian Barwick
2018-04-26 13:06:02 +09:00
parent bf0d67c60a
commit 836d2125fe
4 changed files with 10 additions and 11 deletions
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11
dbutils.c
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@@ -4851,9 +4851,7 @@ get_all_bdr_node_records(PGconn *conn, BdrNodeInfoList *node_list)
{
appendPQExpBuffer(&query,
" SELECT " BDR3_NODES_COLUMNS
" FROM bdr.node bn "
" INNER JOIN pglogical.node_interface pni "
" ON bn.pglogical_node_id = pni.if_nodeid "
" FROM bdr.node_summary ns "
" ORDER BY node_name");
}
@@ -4888,10 +4886,8 @@ get_bdr_node_record_by_name(PGconn *conn, const char *node_name, t_bdr_node_info
{
appendPQExpBuffer(&query,
" SELECT " BDR3_NODES_COLUMNS
" FROM bdr.node bn "
" INNER JOIN pglogical.node_interface pni "
" ON bn.pglogical_node_id = pni.if_nodeid "
" WHERE bn.node_name = '%s'",
" FROM bdr.node_summary ns "
" WHERE ns.node_name = '%s'",
node_name);
}
@@ -4968,6 +4964,7 @@ _populate_bdr_node_record(PGresult *res, t_bdr_node_info *node_info, int row)
node_info->node_dboid = atoi(PQgetvalue(res, row, 2));
strncpy(node_info->node_name, PQgetvalue(res, row, 3), MAXLEN);
strncpy(node_info->node_local_dsn, PQgetvalue(res, row, 4), MAXLEN);
strncpy(node_info->peer_state_name, PQgetvalue(res, row, 5), MAXLEN);
}

7
dbutils.h
View File

@@ -29,8 +29,8 @@
#include "voting.h"
#define REPMGR_NODES_COLUMNS "n.node_id, n.type, n.upstream_node_id, n.node_name, n.conninfo, n.repluser, n.slot_name, n.location, n.priority, n.active, n.config_file, '' AS upstream_node_name "
#define BDR2_NODES_COLUMNS "node_sysid, node_timeline, node_dboid, node_name, node_local_dsn"
#define BDR3_NODES_COLUMNS "bn.pglogical_node_id, 0, 0, pni.if_name AS node_name, pni.if_dsn AS node_init_from_dsn"
#define BDR2_NODES_COLUMNS "node_sysid, node_timeline, node_dboid, node_name, node_local_dsn, ''"
#define BDR3_NODES_COLUMNS "ns.node_id, 0, 0, ns.node_name, ns.interface_connstr, ns.peer_state_name"
#define ERRBUFF_SIZE 512
@@ -241,11 +241,12 @@ typedef struct s_bdr_node_info
uint32 node_dboid;
char node_name[MAXLEN];
char node_local_dsn[MAXLEN];
char peer_state_name[MAXLEN];
} t_bdr_node_info;
#define T_BDR_NODE_INFO_INITIALIZER { \
"", InvalidOid, InvalidOid, \
"", "", \
"", "", "" \
}

2
repmgr-action-bdr.c
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@@ -86,7 +86,7 @@ do_bdr_register(void)
/* BDR 2 implementation is for 2 nodes only */
if (get_bdr_version_num() < 3 && bdr_nodes.node_count > 2)
{
log_error(_("repmgr can only support BDR clusters with 2 nodes"));
log_error(_("repmgr can only support BDR 2.x clusters with 2 nodes"));
log_detail(_("this BDR cluster has %i nodes"), bdr_nodes.node_count);
PQfinish(conn);
pfree(dbname);

1
repmgr-client.c
View File

@@ -1503,6 +1503,7 @@ check_cli_parameters(const int action)
case STANDBY_CLONE:
case STANDBY_REGISTER:
case STANDBY_FOLLOW:
case BDR_REGISTER:
break;
default:
item_list_append_format(&cli_warnings,