#!/bin/ksh


function is_not_guarded
{
return `${ORACLE_HOME}/bin/sqlplus -S / "as sysdba" <<-EOF
        set pagesize 0 feedback off verify off heading off termout off echo off
        select count(1) from sys.v\\$archive_dest where status = 'VALID' and target = 'STANDBY';
EOF`
}


get_db_role()
{
db_role=`${ORACLE_HOME}/bin/sqlplus -S / "as sysdba" <<-EOF
        set pagesize 0 feedback off verify off heading off termout off echo off
        select  database_role from v\\$DATABASE;
EOF`
}


get_DB_type()
{
get_db_role
if is_not_guarded
then
        if [ "${db_role}" = "PHYSICAL STANDBY" ]; then
                echo -e "${db_role}: Physical Standby"
                export DB_TYPE=3
        else
                echo -e "${db_role}: Single Instance."
                export DB_TYPE=1
        fi
else
        echo -e "${db_role}: Primary (Dataguarded)."
        export DB_TYPE=2
fi
}


# -------------------------------------------------------------------------------------------------------------------

get_DB_type
echo -e "Output: DEBUG: DB_TYPE is ${DB_TYPE}."