@Grab('com.h2database:h2:1.4.190')
@GrabConfig(systemClassLoader = true)
import groovy.sql.Sql

class Query {
    private final String query

    Query(String query) {
        this.query = query
    }
    
    QueryExecutor with(Object... params) {
        new QueryExecutor(query, params)
    }
}

class QueryExecutor {
    private final String cs = 'jdbc:h2:mem:'
    private final String driver = 'org.h2.Driver'
    private final String query
    private final Object[] params
    
    QueryExecutor(String query, Object[] params) {
        this.query = query
        this.params = params
    }

    void execute() {
        Sql.newInstance(cs, driver).execute(query, params)
    }
}

new Query('SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = ?')
   .with('HELP')
   .execute()