#!/usr/bin/env bash


DB_USER="???"
DB_PASS="???"
DB_HOST="???"

if [ ! "$DB_USER" ] || [ ! "$DB_PASS" ] || [ ! "$DB_HOST" ]; then
 echo "You need to set DB_USER, DB_PASS and DB_HOST environmental variables."
 exit 1
fi


# escape new lines and backticks
mysql -u${DB_USER} \
      -p${DB_PASS} \
      -h${DB_HOST} \
       my_db_name -e "SELECT * \
FROM \`foo\`.\`bar\` fb";