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/*-------------------------------------------------------------------------
*
* Copyright (c) 2004-2005, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgjdbc/org/postgresql/test/jdbc2/ArrayTest.java,v 1.11 2005/10/03 17:27:32 jurka Exp $
*
*-------------------------------------------------------------------------
*/
package org.postgresql.test.jdbc2;
import org.postgresql.test.TestUtil;
import java.sql.*;
import java.math.BigDecimal;
import java.util.Map;
import junit.framework.TestCase;
public class ArrayTest extends TestCase
{
private Connection conn;
public ArrayTest(String name)
{
super(name);
}
protected void setUp() throws SQLException
{
conn = TestUtil.openDB();
TestUtil.createTable(conn, "arrtest", "intarr int[], decarr decimal(2,1)[], strarr text[]");
}
protected void tearDown() throws SQLException
{
TestUtil.dropTable(conn, "arrtest");
TestUtil.closeDB(conn);
}
public void testSetNull() throws SQLException {
PreparedStatement pstmt = conn.prepareStatement("INSERT INTO arrtest VALUES (?,?,?)");
pstmt.setNull(1, Types.ARRAY);
pstmt.setNull(2, Types.ARRAY);
pstmt.setNull(3, Types.ARRAY);
pstmt.executeUpdate();
pstmt.setObject(1, null, Types.ARRAY);
pstmt.setObject(2, null);
pstmt.setObject(3, null);
pstmt.executeUpdate();
pstmt.setArray(1, null);
pstmt.setArray(2, null);
pstmt.setArray(3, null);
pstmt.executeUpdate();
pstmt.close();
}
public void testRetrieveArrays() throws SQLException {
Statement stmt = conn.createStatement();
// you need a lot of backslashes to get a double quote in.
stmt.executeUpdate("INSERT INTO arrtest VALUES ('{1,2,3}','{3.1,1.4}', '{abc,f''a,\"fa\\\\\"b\",def}')");
ResultSet rs = stmt.executeQuery("SELECT intarr, decarr, strarr FROM arrtest");
assertTrue(rs.next());
Array arr = rs.getArray(1);
assertEquals(Types.INTEGER, arr.getBaseType());
int intarr[] = (int[])arr.getArray();
assertEquals(3, intarr.length);
assertEquals(1, intarr[0]);
assertEquals(2, intarr[1]);
assertEquals(3, intarr[2]);
arr = rs.getArray(2);
assertEquals(Types.NUMERIC, arr.getBaseType());
BigDecimal decarr[] = (BigDecimal[])arr.getArray();
assertEquals(2, decarr.length);
assertEquals(new BigDecimal("3.1"), decarr[0]);
assertEquals(new BigDecimal("1.4"), decarr[1]);
arr = rs.getArray(3);
assertEquals(Types.VARCHAR, arr.getBaseType());
String strarr[] = (String[])arr.getArray(2, 2);
assertEquals(2, strarr.length);
assertEquals("f'a", strarr[0]);
assertEquals("fa\"b", strarr[1]);
rs.close();
stmt.close();
}
public void testRetrieveResultSets() throws SQLException {
Statement stmt = conn.createStatement();
// you need a lot of backslashes to get a double quote in.
stmt.executeUpdate("INSERT INTO arrtest VALUES ('{1,2,3}','{3.1,1.4}', '{abc,f''a,\"fa\\\\\"b\",def}')");
ResultSet rs = stmt.executeQuery("SELECT intarr, decarr, strarr FROM arrtest");
assertTrue(rs.next());
Array arr = rs.getArray(1);
assertEquals(Types.INTEGER, arr.getBaseType());
ResultSet arrrs = arr.getResultSet();
assertTrue(arrrs.next());
assertEquals(1, arrrs.getInt(1));
assertEquals(1, arrrs.getInt(2));
assertTrue(arrrs.next());
assertEquals(2, arrrs.getInt(1));
assertEquals(2, arrrs.getInt(2));
assertTrue(arrrs.next());
assertEquals(3, arrrs.getInt(1));
assertEquals(3, arrrs.getInt(2));
assertTrue(!arrrs.next());
assertTrue(arrrs.previous());
assertEquals(3, arrrs.getInt(2));
arrrs.first();
assertEquals(1, arrrs.getInt(2));
arrrs.close();
arr = rs.getArray(2);
assertEquals(Types.NUMERIC, arr.getBaseType());
arrrs = arr.getResultSet();
assertTrue(arrrs.next());
assertEquals(new BigDecimal("3.1"), arrrs.getBigDecimal(2));
assertTrue(arrrs.next());
assertEquals(new BigDecimal("1.4"), arrrs.getBigDecimal(2));
arrrs.close();
arr = rs.getArray(3);
assertEquals(Types.VARCHAR, arr.getBaseType());
arrrs = arr.getResultSet(2, 2);
assertTrue(arrrs.next());
assertEquals(2, arrrs.getInt(1));
assertEquals("f'a", arrrs.getString(2));
assertTrue(arrrs.next());
assertEquals(3, arrrs.getInt(1));
assertEquals("fa\"b", arrrs.getString(2));
assertTrue(!arrrs.next());
arrrs.close();
rs.close();
stmt.close();
}
public void testSetArray() throws SQLException {
Statement stmt = conn.createStatement();
ResultSet arrRS = stmt.executeQuery("SELECT '{1,2,3}'::int4[]");
assertTrue(arrRS.next());
Array arr = arrRS.getArray(1);
arrRS.close();
stmt.close();
PreparedStatement pstmt = conn.prepareStatement("INSERT INTO arrtest(intarr) VALUES (?)");
pstmt.setArray(1, arr);
pstmt.executeUpdate();
pstmt.setObject(1, arr, Types.ARRAY);
pstmt.executeUpdate();
pstmt.setObject(1, arr);
pstmt.executeUpdate();
pstmt.close();
Statement select = conn.createStatement();
ResultSet rs = select.executeQuery("SELECT intarr FROM arrtest");
int resultCount = 0;
while(rs.next()) {
resultCount++;
Array result = rs.getArray(1);
assertEquals(Types.INTEGER, result.getBaseType());
assertEquals("int4", result.getBaseTypeName());
int intarr[] = (int[])result.getArray();
assertEquals(3, intarr.length);
assertEquals(1, intarr[0]);
assertEquals(2, intarr[1]);
assertEquals(3, intarr[2]);
}
assertEquals(3, resultCount);
}
/**
* Starting with 8.0 non-standard (beginning index isn't 1) bounds
* the dimensions are returned in the data. The following should
* return "[0:3]={0,1,2,3,4}" when queried. Older versions simply
* do not return the bounds.
*/
public void testNonStandardBounds() throws SQLException {
Statement stmt = conn.createStatement();
stmt.executeUpdate("INSERT INTO arrtest (intarr) VALUES ('{1,2,3}')");
stmt.executeUpdate("UPDATE arrtest SET intarr[0] = 0");
ResultSet rs = stmt.executeQuery("SELECT intarr FROM arrtest");
assertTrue(rs.next());
Array result = rs.getArray(1);
int intarr[] = (int[])result.getArray();
assertEquals(4, intarr.length);
for (int i = 0; i < intarr.length; i++)
{
assertEquals(i, intarr[i]);
}
}
}
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