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Rename "..._primary_last_seen" functions to "..._upstream_last_seen"

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As that better reflects what they do.
This commit is contained in:
Ian Barwick
2019-02-28 15:35:46 +09:00
committed by Ian Barwick
parent 486877c3d5
commit 19bcfa7264
7 changed files with 42 additions and 42 deletions
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30
dbutils.c
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@@ -4818,7 +4818,7 @@ init_replication_info(ReplInfo *replication_info)
replication_info->replication_lag_time = 0; replication_info->replication_lag_time = 0;
replication_info->receiving_streamed_wal = true; replication_info->receiving_streamed_wal = true;
replication_info->wal_replay_paused = false; replication_info->wal_replay_paused = false;
replication_info->primary_last_seen = -1; replication_info->upstream_last_seen = -1;
} }
@@ -4846,7 +4846,7 @@ get_replication_info(PGconn *conn, ReplInfo *replication_info)
" END AS replication_lag_time, " " END AS replication_lag_time, "
" last_wal_receive_lsn >= last_wal_replay_lsn AS receiving_streamed_wal, " " last_wal_receive_lsn >= last_wal_replay_lsn AS receiving_streamed_wal, "
" wal_replay_paused, " " wal_replay_paused, "
" primary_last_seen " " upstream_last_seen "
" FROM ( " " FROM ( "
" SELECT CURRENT_TIMESTAMP AS ts, " " SELECT CURRENT_TIMESTAMP AS ts, "
" pg_catalog.pg_last_xact_replay_timestamp() AS last_xact_replay_timestamp, "); " pg_catalog.pg_last_xact_replay_timestamp() AS last_xact_replay_timestamp, ");
@@ -4888,8 +4888,8 @@ get_replication_info(PGconn *conn, ReplInfo *replication_info)
appendPQExpBufferStr(&query, appendPQExpBufferStr(&query,
" CASE WHEN pg_catalog.pg_is_in_recovery() IS FALSE " " CASE WHEN pg_catalog.pg_is_in_recovery() IS FALSE "
" THEN -1 " " THEN -1 "
" ELSE repmgr.get_primary_last_seen() " " ELSE repmgr.get_upstream_last_seen() "
" END AS primary_last_seen " " END AS upstream_last_seen "
" ) q "); " ) q ");
log_verbose(LOG_DEBUG, "get_replication_info():\n%s", query.data); log_verbose(LOG_DEBUG, "get_replication_info():\n%s", query.data);
@@ -4911,7 +4911,7 @@ get_replication_info(PGconn *conn, ReplInfo *replication_info)
replication_info->replication_lag_time = atoi(PQgetvalue(res, 0, 4)); replication_info->replication_lag_time = atoi(PQgetvalue(res, 0, 4));
replication_info->receiving_streamed_wal = atobool(PQgetvalue(res, 0, 5)); replication_info->receiving_streamed_wal = atobool(PQgetvalue(res, 0, 5));
replication_info->wal_replay_paused = atobool(PQgetvalue(res, 0, 6)); replication_info->wal_replay_paused = atobool(PQgetvalue(res, 0, 6));
replication_info->primary_last_seen = atoi(PQgetvalue(res, 0, 7)); replication_info->upstream_last_seen = atoi(PQgetvalue(res, 0, 7));
} }
termPQExpBuffer(&query); termPQExpBuffer(&query);
@@ -5097,7 +5097,7 @@ is_downstream_node_attached(PGconn *conn, char *node_name)
void void
set_primary_last_seen(PGconn *conn) set_upstream_last_seen(PGconn *conn)
{ {
PQExpBufferData query; PQExpBufferData query;
PGresult *res = NULL; PGresult *res = NULL;
@@ -5105,13 +5105,13 @@ set_primary_last_seen(PGconn *conn)
initPQExpBuffer(&query); initPQExpBuffer(&query);
appendPQExpBufferStr(&query, appendPQExpBufferStr(&query,
"SELECT repmgr.set_primary_last_seen()"); "SELECT repmgr.set_upstream_last_seen()");
res = PQexec(conn, query.data); res = PQexec(conn, query.data);
if (PQresultStatus(res) != PGRES_TUPLES_OK) if (PQresultStatus(res) != PGRES_TUPLES_OK)
{ {
log_db_error(conn, query.data, _("unable to execute repmgr.set_primary_last_seen()")); log_db_error(conn, query.data, _("unable to execute repmgr.set_upstream_last_seen()"));
} }
termPQExpBuffer(&query); termPQExpBuffer(&query);
@@ -5120,35 +5120,35 @@ set_primary_last_seen(PGconn *conn)
int int
get_primary_last_seen(PGconn *conn) get_upstream_last_seen(PGconn *conn)
{ {
PQExpBufferData query; PQExpBufferData query;
PGresult *res = NULL; PGresult *res = NULL;
int primary_last_seen = -1; int upstream_last_seen = -1;
initPQExpBuffer(&query); initPQExpBuffer(&query);
appendPQExpBufferStr(&query, appendPQExpBufferStr(&query,
"SELECT CASE WHEN pg_catalog.pg_is_in_recovery() IS FALSE " "SELECT CASE WHEN pg_catalog.pg_is_in_recovery() IS FALSE "
" THEN -1 " " THEN -1 "
" ELSE repmgr.get_primary_last_seen() " " ELSE repmgr.get_upstream_last_seen() "
" END AS primary_last_seen "); " END AS upstream_last_seen ");
res = PQexec(conn, query.data); res = PQexec(conn, query.data);
if (PQresultStatus(res) != PGRES_TUPLES_OK) if (PQresultStatus(res) != PGRES_TUPLES_OK)
{ {
log_db_error(conn, query.data, _("unable to execute repmgr.get_primary_last_seen()")); log_db_error(conn, query.data, _("unable to execute repmgr.get_upstream_last_seen()"));
} }
else else
{ {
primary_last_seen = atoi(PQgetvalue(res, 0, 0)); upstream_last_seen = atoi(PQgetvalue(res, 0, 0));
} }
termPQExpBuffer(&query); termPQExpBuffer(&query);
PQclear(res); PQclear(res);
return primary_last_seen; return upstream_last_seen;
} }

6
dbutils.h
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@@ -308,7 +308,7 @@ typedef struct
int replication_lag_time; int replication_lag_time;
bool receiving_streamed_wal; bool receiving_streamed_wal;
bool wal_replay_paused; bool wal_replay_paused;
int primary_last_seen; int upstream_last_seen;
} ReplInfo; } ReplInfo;
typedef struct typedef struct
@@ -555,8 +555,8 @@ bool get_replication_info(PGconn *conn, ReplInfo *replication_info);
int get_replication_lag_seconds(PGconn *conn); int get_replication_lag_seconds(PGconn *conn);
void get_node_replication_stats(PGconn *conn, t_node_info *node_info); void get_node_replication_stats(PGconn *conn, t_node_info *node_info);
bool is_downstream_node_attached(PGconn *conn, char *node_name); bool is_downstream_node_attached(PGconn *conn, char *node_name);
void set_primary_last_seen(PGconn *conn); void set_upstream_last_seen(PGconn *conn);
int get_primary_last_seen(PGconn *conn); int get_upstream_last_seen(PGconn *conn);
bool is_wal_replay_paused(PGconn *conn, bool check_pending_wal); bool is_wal_replay_paused(PGconn *conn, bool check_pending_wal);
/* BDR functions */ /* BDR functions */

8
repmgr--4.2--4.3.sql
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@@ -1,12 +1,12 @@
-- complain if script is sourced in psql, rather than via CREATE EXTENSION -- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION repmgr" to load this file. \quit \echo Use "CREATE EXTENSION repmgr" to load this file. \quit
CREATE FUNCTION set_primary_last_seen() CREATE FUNCTION set_upstream_last_seen()
RETURNS VOID RETURNS VOID
AS 'MODULE_PATHNAME', 'set_primary_last_seen' AS 'MODULE_PATHNAME', 'set_upstream_last_seen'
LANGUAGE C STRICT; LANGUAGE C STRICT;
CREATE FUNCTION get_primary_last_seen() CREATE FUNCTION get_upstream_last_seen()
RETURNS INT RETURNS INT
AS 'MODULE_PATHNAME', 'get_primary_last_seen' AS 'MODULE_PATHNAME', 'get_upstream_last_seen'
LANGUAGE C STRICT; LANGUAGE C STRICT;

8
repmgr--4.3.sql
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@@ -118,14 +118,14 @@ CREATE FUNCTION standby_get_last_updated()
AS 'MODULE_PATHNAME', 'standby_get_last_updated' AS 'MODULE_PATHNAME', 'standby_get_last_updated'
LANGUAGE C STRICT; LANGUAGE C STRICT;
CREATE FUNCTION set_primary_last_seen() CREATE FUNCTION set_upstream_last_seen()
RETURNS VOID RETURNS VOID
AS 'MODULE_PATHNAME', 'set_primary_last_seen' AS 'MODULE_PATHNAME', 'set_upstream_last_seen'
LANGUAGE C STRICT; LANGUAGE C STRICT;
CREATE FUNCTION get_primary_last_seen() CREATE FUNCTION get_upstream_last_seen()
RETURNS INT RETURNS INT
AS 'MODULE_PATHNAME', 'get_primary_last_seen' AS 'MODULE_PATHNAME', 'get_upstream_last_seen'
LANGUAGE C STRICT; LANGUAGE C STRICT;
/* failover functions */ /* failover functions */

2
repmgr-action-daemon.c
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@@ -201,7 +201,7 @@ do_daemon_status(void)
} }
} }
repmgrd_info[i]->upstream_last_seen = get_primary_last_seen(cell->node_info->conn); repmgrd_info[i]->upstream_last_seen = get_upstream_last_seen(cell->node_info->conn);
if (repmgrd_info[i]->upstream_last_seen < 0) if (repmgrd_info[i]->upstream_last_seen < 0)
{ {

20
repmgr.c
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@@ -77,7 +77,7 @@ typedef struct repmgrdSharedState
char repmgrd_pidfile[MAXPGPATH]; char repmgrd_pidfile[MAXPGPATH];
bool repmgrd_paused; bool repmgrd_paused;
/* streaming failover */ /* streaming failover */
TimestampTz primary_last_seen; TimestampTz upstream_last_seen;
NodeVotingStatus voting_status; NodeVotingStatus voting_status;
int current_electoral_term; int current_electoral_term;
int candidate_node_id; int candidate_node_id;
@@ -108,11 +108,11 @@ PG_FUNCTION_INFO_V1(standby_set_last_updated);
Datum standby_get_last_updated(PG_FUNCTION_ARGS); Datum standby_get_last_updated(PG_FUNCTION_ARGS);
PG_FUNCTION_INFO_V1(standby_get_last_updated); PG_FUNCTION_INFO_V1(standby_get_last_updated);
Datum set_primary_last_seen(PG_FUNCTION_ARGS); Datum set_upstream_last_seen(PG_FUNCTION_ARGS);
PG_FUNCTION_INFO_V1(set_primary_last_seen); PG_FUNCTION_INFO_V1(set_upstream_last_seen);
Datum get_primary_last_seen(PG_FUNCTION_ARGS); Datum get_upstream_last_seen(PG_FUNCTION_ARGS);
PG_FUNCTION_INFO_V1(get_primary_last_seen); PG_FUNCTION_INFO_V1(get_upstream_last_seen);
Datum notify_follow_primary(PG_FUNCTION_ARGS); Datum notify_follow_primary(PG_FUNCTION_ARGS);
PG_FUNCTION_INFO_V1(notify_follow_primary); PG_FUNCTION_INFO_V1(notify_follow_primary);
@@ -226,7 +226,7 @@ repmgr_shmem_startup(void)
shared_state->repmgrd_paused = false; shared_state->repmgrd_paused = false;
shared_state->current_electoral_term = 0; shared_state->current_electoral_term = 0;
/* arbitrary "magic" date to indicate this field hasn't been updated */ /* arbitrary "magic" date to indicate this field hasn't been updated */
shared_state->primary_last_seen = POSTGRES_EPOCH_JDATE; shared_state->upstream_last_seen = POSTGRES_EPOCH_JDATE;
shared_state->voting_status = VS_NO_VOTE; shared_state->voting_status = VS_NO_VOTE;
shared_state->candidate_node_id = UNKNOWN_NODE_ID; shared_state->candidate_node_id = UNKNOWN_NODE_ID;
shared_state->follow_new_primary = false; shared_state->follow_new_primary = false;
@@ -363,14 +363,14 @@ standby_get_last_updated(PG_FUNCTION_ARGS)
Datum Datum
set_primary_last_seen(PG_FUNCTION_ARGS) set_upstream_last_seen(PG_FUNCTION_ARGS)
{ {
if (!shared_state) if (!shared_state)
PG_RETURN_VOID(); PG_RETURN_VOID();
LWLockAcquire(shared_state->lock, LW_EXCLUSIVE); LWLockAcquire(shared_state->lock, LW_EXCLUSIVE);
shared_state->primary_last_seen = GetCurrentTimestamp(); shared_state->upstream_last_seen = GetCurrentTimestamp();
LWLockRelease(shared_state->lock); LWLockRelease(shared_state->lock);
@@ -379,7 +379,7 @@ set_primary_last_seen(PG_FUNCTION_ARGS)
Datum Datum
get_primary_last_seen(PG_FUNCTION_ARGS) get_upstream_last_seen(PG_FUNCTION_ARGS)
{ {
long secs; long secs;
int microsecs; int microsecs;
@@ -394,7 +394,7 @@ get_primary_last_seen(PG_FUNCTION_ARGS)
LWLockAcquire(shared_state->lock, LW_SHARED); LWLockAcquire(shared_state->lock, LW_SHARED);
last_seen = shared_state->primary_last_seen; last_seen = shared_state->upstream_last_seen;
LWLockRelease(shared_state->lock); LWLockRelease(shared_state->lock);

10
repmgrd-physical.c
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@@ -833,7 +833,7 @@ monitor_streaming_standby(void)
log_verbose(LOG_DEBUG, "checking %s", upstream_node_info.conninfo); log_verbose(LOG_DEBUG, "checking %s", upstream_node_info.conninfo);
if (is_server_available(upstream_node_info.conninfo) == true) if (is_server_available(upstream_node_info.conninfo) == true)
{ {
set_primary_last_seen(local_conn); set_upstream_last_seen(local_conn);
} }
else else
{ {
@@ -3332,21 +3332,21 @@ do_election(void)
*/ */
if (sibling_replication_info.primary_last_seen < (config_file_options.monitor_interval_secs * 2)) if (sibling_replication_info.upstream_last_seen < (config_file_options.monitor_interval_secs * 2))
{ {
nodes_with_primary_still_visible++; nodes_with_primary_still_visible++;
log_notice(_("node %i last saw primary node %i second(s) ago, considering primary still visible"), log_notice(_("node %i last saw primary node %i second(s) ago, considering primary still visible"),
cell->node_info->node_id, sibling_replication_info.primary_last_seen); cell->node_info->node_id, sibling_replication_info.upstream_last_seen);
appendPQExpBuffer(&nodes_with_primary_visible, appendPQExpBuffer(&nodes_with_primary_visible,
" - node \"%s\" (ID: %i): %i second(s) ago\n", " - node \"%s\" (ID: %i): %i second(s) ago\n",
cell->node_info->node_name, cell->node_info->node_name,
cell->node_info->node_id, cell->node_info->node_id,
sibling_replication_info.primary_last_seen); sibling_replication_info.upstream_last_seen);
} }
else else
{ {
log_info(_("node %i last saw primary node %i second(s) ago"), log_info(_("node %i last saw primary node %i second(s) ago"),
cell->node_info->node_id, sibling_replication_info.primary_last_seen); cell->node_info->node_id, sibling_replication_info.upstream_last_seen);
} }
/* get node's last receive LSN - if "higher" than current winner, current node is candidate */ /* get node's last receive LSN - if "higher" than current winner, current node is candidate */
cell->node_info->last_wal_receive_lsn = sibling_replication_info.last_wal_receive_lsn; cell->node_info->last_wal_receive_lsn = sibling_replication_info.last_wal_receive_lsn;