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package com.openexchange.sql.grammar.example;

import static com.openexchange.sql.grammar.Constant.PLACEHOLDER;
import static com.openexchange.sql.schema.Tables.dates;
import static com.openexchange.sql.schema.Tables.delDates;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import com.openexchange.sql.builder.StatementBuilder;
import com.openexchange.sql.grammar.Constant;
import com.openexchange.sql.grammar.EQUALS;
import com.openexchange.sql.grammar.INSERT;
import com.openexchange.sql.grammar.PLUS;
import com.openexchange.sql.grammar.SELECT;
import com.openexchange.sql.grammar.SQRT;
import com.openexchange.sql.grammar.TIMES;

public class InsertExample {

	public static void main(String[] args) throws Exception {
		simpleUpdate();
		extendedInsert();
		insertWithPlaceholder();
	}

	public static void simpleUpdate() {
		INSERT insert = new INSERT().INTO("a_table").SET("a",
				Constant.PLACEHOLDER).SET(
				"b",
				new PLUS(new Constant(10), new TIMES(new SQRT(45),
						new Constant(3))));
		System.out.println(new StatementBuilder().buildCommand(insert));
	}
	
	/**
     * This INSERT-Statement contains several OX-Modifications with sub-selects and other stuff.
     * 
     * @author <a href="mailto:martin.herfurth@open-xchange.org">Martin Herfurth</a>
     */
	public static void extendedInsert() {
	    INSERT insert = new INSERT().
        INTO(delDates).
        subSelect(new SELECT("*").
            FROM(dates).
            WHERE(new EQUALS(dates.getColumn("intfield01"), new Constant(1000)))
        );
    
	    System.out.println(new StatementBuilder().buildCommand(insert));
	}
	
	public static void insertWithPlaceholder() throws Exception {
        List<Object> values = new ArrayList<Object>();
        
	    INSERT insert = new INSERT().INTO(dates);
	    
	    insert.SET("field01", new Constant("field01_a"), new Constant("field01_b"));
	    
	    insert.SET("timestampfield01", PLACEHOLDER, PLACEHOLDER);
        values.add(new Date(0));
        values.add(new Date(3600000));
        
	    insert.SET("timestampfield02", PLACEHOLDER, PLACEHOLDER);
        values.add(new Date(3600000));
        values.add(new Date(7200000));
        
        Connection con = getConnection();
        PreparedStatement stmt = new StatementBuilder().prepareStatement(con, insert, values);
        System.out.println(stmt.toString());
        stmt.close();
        con.close();
	}
	
	private static Connection getConnection() throws Exception {
	    Class.forName("com.mysql.jdbc.Driver");
        return DriverManager.getConnection("jdbc:mysql://localhost/ox_sandbox", "openexchange", "secret");
	}
}
