Shell script to connect postgress in a loop

i=211
while [ $i -le 250 ]
do
folder="psr-pub-$i"
echo "Starting processing $folder."
./svnmapping.sh $folder
echo "Done with $folder"
i=`expr $i + 1`
done


projectName=$1
userId="user1308"

DBConnect="psql -d psrdb -U psruser --tuples-only --single-line"

date=`date +"%F %T"`
projId=`echo "select id from project where path='projects.$projectName'" | $DBConnect`
projId=`echo $projId`

parent_folder_id=`echo "select id as parent_folderid from folder where path = 'scm' and project_id='$projId'" | $DBConnect`
parent_folder_id=`echo $parent_folder_id`

nextscm_id_query="select max(substring(id from (char_length('reps')+1))) from scm_repository"
primaryId_query="select id from objecttype where application='Scm' and name='Repository'"
secondaryId_query="select id from objecttype where application='Scm' and name='Commit'"

nextscm_id=`echo $nextscm_id_query | $DBConnect`
nextscmId=`echo $nextscm_id`
nextscmId=reps`expr $nextscmId + 1`
primaryId=`echo $primaryId_query | $DBConnect`
primaryId=`echo $primaryId`
secondaryId=`echo $secondaryId_query | $DBConnect`
secondaryId=`echo $secondaryId`

insertscm="insert into scm_repository values('$nextscmId', 'exsy1002', '/svnroot/$projectName', 'f')"
insertfolder="insert into folder values ('$nextscmId', 'scm.$projectName', '$projectName', '$projectName', '100', '$date+05:30', '$date+05:30','f', '$primaryId', '$secondaryId', '$userId', '$userId', '$parent_folder_id', '$projId', '0')"

scm=`echo $insertscm | $DBConnect`
fol=`echo $insertfolder | $DBConnect`

echo $scm" "$fol