mysqldump导出table,view,trigger,routines,events

##############################################
# Function: DUMP MYSQL TABLE, PROCEDURE,VIEW,TRIGGER,EVENT
# Date: 2015-01-21
# Author: Liang Wei
# Mail: liangweione@gmail.com
# Version: 1.0
###########################################################

#DEFINE VARIABLES
MYSQL=`which mysql`
MYSQLDUMP=`which mysqldump`
GZIP=`which gzip`
BACKUP_DIRECTORY=$1
V_USERNAME=$2
V_PASSWORD=$3
V_HOST=$4
V_PORT=$5

MYCMD="$MYSQL -u$V_USERNAME -p$V_PASSWORD  -h$V_HOST -P$V_PORT "

DUMP_TB="$MYSQLDUMP -u$V_USERNAME -p$V_PASSWORD  -h$V_HOST -P$V_PORT --compact -d"

DUMP_TRIGGER="$MYSQLDUMP -u$V_USERNAME -p$V_PASSWORD  -h$V_HOST -P$V_PORT  --triggers \
--no-create-info --no-data --no-create-db --skip-opt"

DUMP_PROC="$MYSQLDUMP -u$V_USERNAME -p$V_PASSWORD  -h$V_HOST -P$V_PORT  --routines \
--no-create-info --no-data --no-create-db --skip-opt --skip-triggers"

DUMP_EVENTS="$MYSQLDUMP -u$V_USERNAME -p$V_PASSWORD  -h$V_HOST -P$V_PORT  --events \
--no-create-info --no-data --no-create-db --skip-opt --skip-triggers"

#echo MYSQL=$MYSQL
#echo MYSQLDUMP=$MYSQLDUMP
#echo GZIP=$GZIP

# VALIDATE INPUT ARGUMENTS
if [ "$#" -ne 5 ]; then
echo "Usage: $0 <BACKUP_DIRECTORY> <V_USERNAME> <V_PASSWORD> <V_HOST> <V_PORT>"
exit 1;
fi

# VALIDATE BACKUP DIR
BACKUP_DIR="$1"
if [ ! -d $BACKUP_DIR ]; then
echo "$BACKUP_DIR does not exist"
exit 1;
fi

DUMP_DIR="$BACKUP_DIR/`date +%F`"

if [ ! -d $DUMP_DIR ]; then
mkdir -p  $DUMP_DIR
if [ ! -d $DUMP_DIR ]; then
echo "Failed to create backup dir $DUMP_DIR"
exit 1;
fi
fi

for DB in  `$MYCMD -N -e "show databases" | grep -v 'Database\|performance_schema\|information_schema'`
# for DB in sakila
do
mkdir -p $DUMP_DIR/$DB/{table,view,trigger,proc,event}

# Dump table define
for TB in `$MYCMD -N -e "SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES \
WHERE TABLE_SCHEMA IN('${DB}') AND ENGINE IS NOT NULL AND ENGINE NOT IN('CSV');" `
do
BK_FILE=$DUMP_DIR/$DB/table/${TB}.sql
$DUMP_TB $DB $TB >$BK_FILE
done

#Dump view
for VW in `$MYCMD -N -e "SELECT table_name from information_schema.views where TABLE_SCHEMA in('${DB}')" `
do
$DUMP_TB  $DB $VW  > $DUMP_DIR/$DB/view/${VW}.sql
done

#Dump triggers
$DUMP_TRIGGER $DB  >$DUMP_DIR/$DB/trigger/${DB}_trigger.sql

#Dump  routines
$DUMP_PROC $DB  >$DUMP_DIR/$DB/proc/${DB}_proc_function.sql

#Dump events
$DUMP_EVENTS $DB  >$DUMP_DIR/$DB/event/${DB}_event.sql