/// <summary>
/// Calculate & persist metatable stats for tables belonging to broker
/// </summary>
/// <returns></returns>
public int UpdateMetaTableStatistics()
{
MetaTableStats mts;
DateTime dt;
string sql;
int mthdId;
long rowCount;
Dictionary <int, MetaTableStats> stats = new Dictionary <int, MetaTableStats>();
DbCommandMx dao = new DbCommandMx();
// Get row count for each table
sql =
"select " +
" mthd_vrsn_id, count(*) " +
"from ( " +
" select " +
" mthd_vrsn_id, rslt_grp_id" +
" from mbs_owner.mbs_adw_rslt " +
" where " +
" sts_id = 1 " +
// " and mthd_vrsn_id = 148411 " + // debug
" group by mthd_vrsn_id, rslt_grp_id) " +
"group by mthd_vrsn_id";
dao.Prepare(sql);
dao.ExecuteReader();
while (dao.Read())
{
mthdId = dao.GetInt(0);
rowCount = dao.GetLong(1);
if (!stats.ContainsKey(mthdId))
{
stats[mthdId] = new MetaTableStats();
}
stats[mthdId].RowCount = rowCount;
}
dao.CloseReader();
// Get latest update date for each table
sql =
"select " +
" mthd_vrsn_id, max(updt_dt) " +
"from mbs_owner.mbs_adw_rslt " +
"where " +
" updt_dt <= sysdate and " +
" sts_id = 1" +
// " and mthd_vrsn_id = 148411 " + // debug
"group by mthd_vrsn_id";
dao.Prepare(sql);
dao.ExecuteReader();
while (dao.Read())
{
mthdId = dao.GetInt(0);
dt = dao.GetDateTime(1);
if (!stats.ContainsKey(mthdId))
{
stats[mthdId] = new MetaTableStats();
}
stats[mthdId].UpdateDateTime = dt;
}
dao.CloseReader();
dao.Dispose();
int updCnt = 0;
foreach (int mthdId_ in stats.Keys)
{
mts = stats[mthdId_];
try { UserObjectDao.UpdateUpdateDateAndCount(mthdId_, mts.UpdateDateTime, (int)mts.RowCount); }
catch (Exception ex) { continue; }
updCnt++;
}
return(stats.Count);
}