import groovy.sql.Sql
    def sql = Sql.newInstance("jdbc:mysql://localhost", "root","password", "com.mysql.jdbc.Driver")
    def y= "select * from table"
    table(sql,y)
    def table(sql,x){
        println ("$x")
        sql.execute("$x")
    }

'select * from table'
Sep 02, 2017 3:49:39 PM groovy.sql.Sql$AbstractQueryCommand execute
WARNING: Failed to execute: ? because: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ''select * from table'' at line 1
Caught: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ''select * from table'' at line 1
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ''select * from table'' at line 1