void SimpleColumn::setOID()
{
boost::shared_ptr<CalpontSystemCatalog> csc = CalpontSystemCatalog::makeCalpontSystemCatalog(fSessionID);
CalpontSystemCatalog::TableColName tcn;
tcn = make_tcn(fSchemaName, fTableName, fColumnName);
fOid = csc->lookupOID (tcn);
if (fOid == -1)
{
// get colMap from CalpontSelectExecutionPlan
// and try to map the schema and table name
CalpontSelectExecutionPlan::ColumnMap::iterator iter;
CalpontSelectExecutionPlan::ColumnMap colMap = CalpontSelectExecutionPlan::colMap();
// if this is the only column name exist in the map, return it ??
for (iter = colMap.find(fColumnName); iter != colMap.end(); ++iter)
{
SRCP srcp = iter->second;
SimpleColumn* scp = dynamic_cast<SimpleColumn*>(srcp.get());
if (colMap.count(fColumnName) == 1 ||
scp->tableName().compare(fTableName) == 0)
{
fOid = scp->oid();
//@bug 221 fix
fTableName = scp->tableName();
fSchemaName = scp->schemaName();
//@info assign tableAlias also. watch for other conflict
fTableAlias = scp->tableAlias();
fResultType = scp->resultType();
return;
}
}
}
fResultType = csc->colType(fOid);
}
void* ing_opentbl(void* qctx, const char* sn, const char* tn)
{
try {
if (!qctx) return 0;
if (!sn) return 0;
if (!tn) return 0;
if (strlen(sn) == 0) return 0;
if (strlen(tn) == 0) return 0;
IngQCtx* ingQctx = reinterpret_cast<IngQCtx*>(qctx);
cpsm_conhdl_t* cal_conn_hndl = reinterpret_cast<cpsm_conhdl_t*>(ingQctx->dhcs_ses_ctx);
IngTCtx* tctx = new IngTCtx();
dhcs_tableid_t tableid = 0;
//tableid = tbname2id(sn, tn, cal_conn_hndl);
tableid = tbname2id("te", "f_trans", cal_conn_hndl);
RequiredColOidSet requiredColOidSet;
const CalpontSelectExecutionPlan::ColumnMap colMap = ingQctx->csep.columnMap();
CalpontSelectExecutionPlan::ColumnMap::const_iterator colIter = colMap.begin();
CalpontSelectExecutionPlan::ColumnMap::const_iterator colend = colMap.end();
while (colIter != colend)
{
SRCP srcp = colIter->second;
SimpleColumn* scp = dynamic_cast<SimpleColumn*>(srcp.get());
if (scp)
requiredColOidSet.insert(scp->oid());
++colIter;
}
tctx->dhcs_tpl_ctx = new cpsm_tplh_t();
dhcs_tpl_open(tableid, &tctx->dhcs_tpl_ctx, ingQctx->dhcs_ses_ctx, requiredColOidSet);
tctx->dhcs_tpl_scan_ctx = new cpsm_tplsch_t();
dhcs_tpl_scan_open(tableid, DHCS_TPL_FH_READ, &tctx->dhcs_tpl_scan_ctx, ingQctx->dhcs_ses_ctx);
return tctx;
} catch (...) {
}
return NULL;
}