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| #!/bin/bash
MYSQL_BIN="/usr/local/mysql/bin/mysql"
MYSQL_USER="username"
MYSQL_PASS="password"
MYSQL_DATABASE="database"
PATTERN_TO="old_"
PATTERN_FROM="new_"
run() {
command=$1
echo -e `$MYSQL_BIN -u $MYSQL_USER -p"$MYSQL_PASS" --database="$MYSQL_DATABASE" -Bse "$command"`
}
title() {
echo -e "\n$1\n"
}
message() {
echo -e "--- $1"
}
# Check prefix is or not exists by PATTERN_FROM
title "Prefix checking ..."
select_prefix_tables_command="show tables like '${PATTERN_FROM}%'"
if [[ -n $(run "$select_prefix_tables_command") ]]; then
message "Rename action: pass"
else
message "Rename action: stop"
exit 0
fi
# Rename table
title "Renaming tables ..."
for table in $(run "$select_prefix_tables_command")
do
new_table_name=$(echo "$table" | sed -e "s/$PATTERN_FROM/$PATTERN_TO/g")
rename_command="RENAME TABLE \`$table\` TO \`$new_table_name\`;"
message "Rename table $table to $new_table_name"
run "$rename_command"
done
# Show current tables
title "Current tables ..."
for table in $(run "show tables")
do
message "$table"
done
|
