Example: Establishing Session Connection Using VARCHAR Connection Name Passed to SET CONNECTION Using Host Variable - Teradata Vantage

The following example establishes a session connection using a VARCHAR connection name passed to SET CONNECTION using a host variable named connamev:

EXEC SQL SET CONNECTION :CONNAMEV;

Lines generated by C Preprocessor2:

{
static struct {
       SQLInt32 RdtCType;
       SQLInt16 RdtVersn;
       SQLInt16 RdtDec;
       char     RdtUserid[8];
       SQLInt32 RdtEntty;
       char     *RdtCA;
       char     *RdtDAIn;
       char     *RdtDAOut;
       char     *RdtSql;
       char     *RdtRtCon;
       SQLInt32 RdtAux1;
       SQLInt32 RdtAux2;
       char     RdtLCS;
       char     RdtComit;
       char     RdtRelse;
       char     RdtExt;
       char     RdtSepBT;
       char     RdtUCStm;
       char     RdtCmpat;
       char     RdtComp;
       SQLInt16 RdtXTotL;
       char     RdtXFill[2];
       struct {
              SQLInt16 RdtXLen;
              SQLInt16 RdtXType;
              SQLInt32 RdtXCode;
              } RdtX005;
       struct {
              SQLInt16 RdtXLen;
              SQLInt16 RdtXType;
              SQLInt16 RdtXConL;
              char     RdtXConT[30];
              } RdtX007;
       } RDTIN014 =
       {150,10,0,{' '},0,0,0,0,0,0,0,0,'N','B','N','Y','N','N',' ','C',
       48,{' '},{8,5,255},{36,7,}};
RDTIN014.RdtX007.RdtXConL = CONNAMEV.len;
memcpy(RDTIN014.RdtX007.RdtXConT,CONNAMEV.arr,CONNAMEV.len);
RDTIN014.RdtCA = (char *)(&sqlca);
RDTIN014.RdtRtCon = SQL_RDTRTCON;
TDARDI(&RDTIN014);
SQL_RDTRTCON = RDTIN014.RdtRtCon;
  }