Example Using FNC_TblFirstParticipant - Teradata Vantage - Analytics Database

SQL External Routine Programming

Deployment
VantageCloud
VantageCore
Edition
VMware
Enterprise
IntelliFlex
Product
Analytics Database
Teradata Vantage
Release Number
17.20
Published
June 2022
ft:locale
en-US
ft:lastEdition
2025-03-30
dita:mapPath
iiv1628111441820.ditamap
dita:ditavalPath
qkf1628213546010.ditaval
dita:id
qnu1472247494689
lifecycle
latest
Product Category
Teradata Vantage™
FNC_Phase    Phase;

if (FNC_GetPhase(&Phase) == TBL_MODE_CONST)
{
   switch(Phase)
   {

      case TBL_PRE_INIT:

         switch (FNC_TblFirstParticipant() ) 
         {
            case 1:   /* participant */
               return;
            case 0:  /* not participant */
               if (FNC_TblOptOut())
                  strcpy(sqlstate, "U0006"); /* an error return */
               return;
            default:  /* -1 or other error */
               strcpy(sqlstate, "U0007");
               return;
         }
      ...
   }
   ...
}