github/repmgr
1
0
Fork 0
mirror of https://github.com/EnterpriseDB/repmgr.git synced 2026-03-25 08:06:29 +00:00
Code Issues Packages Projects Releases 1 Wiki Activity

Add connection options and a lot of validations, i still

Browse Source 
have to complete the use of the connection options but
the program should still be usable.
This commit is contained in:
postgres
2010-09-22 04:40:43 -05:00
parent 93417715d4
commit 44a3548c2e
4 changed files with 330 additions and 65 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
dbutils.c
View File

@@ -56,3 +56,76 @@ is_standby(PGconn *conn)
PQclear(res);
return result;
}
bool
is_supported_version(PGconn *conn)
{
PGresult *res;
int major_version;
res = PQexec(conn, "SELECT split_part(split_part(version(), ' ', 2), '.', 1)");
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
fprintf(stderr, "PQexec failed: %s", PQerrorMessage(conn));
PQclear(res);
}
major_version = atoi(PQgetvalue(res, 0, 0));
PQclear(res);
return (major_version >= 9) ? true : false;
}
bool
guc_setted(PGconn *conn, const char *parameter, const char *op, const char *value)
{
PGresult *res;
char sqlquery[8192];
sprintf(sqlquery, "SELECT true FROM pg_settings "
" WHERE name = '%s' AND setting %s '%s'",
parameter, op, value);
res = PQexec(conn, sqlquery);
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
fprintf(stderr, "PQexec failed: %s", PQerrorMessage(conn));
PQclear(res);
}
if (PQgetisnull(res, 0, 0))
{
PQclear(res);
return false;
}
if (strcmp(PQgetvalue(res, 0, 0), "f") == 0)
{
PQclear(res);
return false;
}
PQclear(res);
return true;
}
char *
get_cluster_size(PGconn *conn)
{
PGresult *res;
char *size;
char sqlquery[8192];
sprintf(sqlquery, "SELECT pg_size_pretty(SUM(pg_database_size(oid))::bigint) "
" FROM pg_database ");
res = PQexec(conn, sqlquery);
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
fprintf(stderr, "PQexec failed: %s", PQerrorMessage(conn));
PQclear(res);
}
strcpy(size, PQgetvalue(res, 0, 0))
PQclear(res);
return size;
}