#!/bin/bash

MUSER="$1"
MPASS="$2"
MDB="$3"

# Detect paths
 MYSQL=$(which mysql)
 AWK=$(which awk)
 GREP=$(which grep)

if [ $# -ne 3 ]
then
  echo "Usage: $0 {MySQL-User-Name} {MySQL-User-Password} {MySQL-Database-Name}"
  echo "Change every tables to InnoDB in MySQL."
  exit 1
fi

TABLES=$($MYSQL -u $MUSER -p$MPASS $MDB -e 'show tables' | $AWK '{ print $1}' | $GREP -v '^Tables' )

for t in $TABLES
do
  echo "Altering $t table in $MDB database..."
  $MYSQL -u $MUSER -p$MPASS $MDB -e "ALTER TABLE $t ENGINE='innodb'"
done