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oracle calling from shell unix script

oracle calling from shell unix script

(OP)
hi all,

I have tried unix scripting to call oracle functions. For the below requirement to call the oracle functions. kindly let me know whether it is a efficient code.

Oracle function to be called for the below scenario.

CODE

CASE 1: 
(LOCATION = 'chennai'| LOCATION = 'Banglore')
:VALUE:=LOCATION_COUNT.CHENNAI_BANG
               (&LOCATION,&SALES);
case 2: 
(LOCATION ='SALEM'|LOCATION = 'TRICHY' |LOCATION = 'PONDI')
:VALUE:=LOCATION_COUNT.SAL_TRICHY_PONDI
               (&LOCATION,&SALES);
 
case 3:
(LOCATION = 'TIRUPUR')
:VALUE:=LOCATION_COUNT.GET_TIRUP
               (&LOCATION,&SALES); 

CODE

Unix script :
cat function_check.ksh
chennai_blr () {
        VALUE=`sqlplus -S /NOLOG << EOF
        CONNECT dbs/passwd@dbtod
        SET head off
        SET serveroutput on
        select LOCATION_COUNT.CHENNAI_BANG
               (&LOCATION,&SALES) from dual;
        exit;
EOF
               }
 
Salem_Trichy_Pondi  () {
VALUE=`sqlplus -S /NOLOG << EOF
        CONNECT dbs/passwd@dbtod
        SET head off
        select :LOCATION_COUNT.SAL_TRICHY_PONDI
               (&LOCATION,&SALES) from dual;
        exit;
EOF`
 
     }
Tirupur () {
               VALUE=`sqlplus -S /NOLOG << EOF
        CONNECT dbs/passwd@dbtod
        SET head off
        select LOCATION_COUNT.GET_TIRUP
               (&LOCATION,&SALES); from dual;
        exit;
EOF`
           }
while read file
do
        if [[ "$file" == "chennai" || "$file" == "banglore" ]]
        then
                chennai_blr
        elif [[ "$file" == "salem" || "$file" == "trichy" || "$file" == "pondi" ]]
        then
                Salem_Trichy_Pondi
        elif [[ "$file" == "tripur" ]]
        then
                Tirupur
        else
                echo "You are out of chennai, blr, Salem_Trichy_Pondi and Tirupur, seems you are in $file"
        fi
done < "function_check" 

RE: oracle calling from shell unix script

The calling of the sql looks ok. I would probably change the stack of 'if/then/else' statements to a 'case' statment. It's easier to read, understand, and change.

CODE

case $file in
    chennai|bangalore)
        chennai_blr
        ;;
    salem|trichy|pondi)
        Salem_Trichi_Pondi
        ;;
    tirupur)
        Tirupur
        ;;
    *)
        echo "You are out of chennai, blr, Salem_Trichy_Pondi and Tirupur, seems you are in $file"
        ;;
esac 

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