external
/
citus
mirror of https://github.com/citusdata/citus.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Remove two obsolete functions 

Namely GetConnectionFromPGconn() and CloseConnectionByPGconn()
pull/1661/head
Onder Kalaci 2017-09-15 01:25:44 +03:00 committed by Jason Petersen
parent 9901017f3f
commit 6736fd1682
2 changed files with 0 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
src/backend/distributed/connection/connection_management.c
View File

@ -268,42 +268,6 @@ FindAvailableConnection(dlist_head *connections, uint32 flags)
}
/*
* Return MultiConnection associated with the libpq connection.
*
* Note that this is comparatively expensive. Should only be used for
* backward-compatibility purposes.
*/
MultiConnection *
GetConnectionFromPGconn(struct pg_conn *pqConn)
{
HASH_SEQ_STATUS status;
ConnectionHashEntry *entry;
hash_seq_init(&status, ConnectionHash);
while ((entry = (ConnectionHashEntry *) hash_seq_search(&status)) != 0)
{
dlist_head *connections = entry->connections;
dlist_iter iter;
/* check connection cache for a connection that's not already in use */
dlist_foreach(iter, connections)
{
MultiConnection *connection =
dlist_container(MultiConnection, connectionNode, iter.cur);
if (connection->pgConn == pqConn)
{
hash_seq_term(&status);
return connection;
}
}
}
return NULL;
}
/*
* CloseNodeConnectionsAfterTransaction sets the sessionLifespan flag of the connections
* to a particular node as false. This is mainly used when a worker leaves the cluster.
@ -376,31 +340,6 @@ CloseConnection(MultiConnection *connection)
}
/*
* Close a previously established connection.
*
* This function closes the MultiConnection associatated with the libpq
* connection.
*
* Note that this is comparatively expensive. Should only be used for
* backward-compatibility purposes.
*/
void
CloseConnectionByPGconn(PGconn *pqConn)
{
MultiConnection *connection = GetConnectionFromPGconn(pqConn);
if (connection)
{
CloseConnection(connection);
}
else
{
ereport(WARNING, (errmsg("could not find connection to close")));
}
}
/*
* ShutdownConnection, if necessary cancels the currently running statement,
* and then closes the underlying libpq connection. The MultiConnection

2
src/include/distributed/connection_management.h
View File

@ -133,10 +133,8 @@ extern MultiConnection * StartNodeUserDatabaseConnection(uint32 flags,
int32 port,
const char *user,
const char *database);
extern MultiConnection * GetConnectionFromPGconn(struct pg_conn *pqConn);
extern void CloseNodeConnectionsAfterTransaction(char *nodeName, int nodePort);
extern void CloseConnection(MultiConnection *connection);
extern void CloseConnectionByPGconn(struct pg_conn *pqConn);
extern void ShutdownConnection(MultiConnection *connection);
/* dealing with a connection */