/* * * MariaDB Client for Java * * Copyright (c) 2012-2014 Monty Program Ab. * Copyright (c) 2015-2020 MariaDB Corporation Ab. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License * for more details. * * You should have received a copy of the GNU Lesser General Public License along * with this library; if not, write to Monty Program Ab info@montyprogram.com. * */ package org.mariadb.jdbc; import static org.junit.Assert.*; import java.sql.*; import org.junit.AfterClass; import org.junit.BeforeClass; import org.junit.Test; public class ResultSetMetaDataTest extends BaseTest { @BeforeClass() public static void initClass() throws SQLException { try (Statement stmt = sharedConnection.createStatement()) { stmt.execute( "CREATE TABLE test_rsmd(id_col int not null primary key auto_increment, " + "nullable_col varchar(20),unikey_col int unique, char_col char(10), us smallint unsigned)"); stmt.execute("CREATE TABLE t1(id int, name varchar(20))"); stmt.execute("CREATE TABLE t2(id int, name varchar(20))"); stmt.execute("CREATE TABLE t3(id int, name varchar(20))"); stmt.execute("CREATE TABLE testAlias(id int, name varchar(20))"); stmt.execute("CREATE TABLE testAlias2(id2 int, name2 varchar(20))"); stmt.execute("FLUSH TABLES"); } } @AfterClass public static void afterClass() throws SQLException { try (Statement stmt = sharedConnection.createStatement()) { stmt.execute("DROP TABLE IF EXISTS test_rsmd"); stmt.execute("DROP TABLE IF EXISTS t1"); stmt.execute("DROP TABLE IF EXISTS t2"); stmt.execute("DROP TABLE IF EXISTS t3"); stmt.execute("DROP TABLE IF EXISTS testAlias"); stmt.execute("DROP TABLE IF EXISTS testAlias2"); } } @Test public void metaDataTest() throws SQLException { requireMinimumVersion(5, 0); Statement stmt = sharedConnection.createStatement(); stmt.execute("insert into test_rsmd (id_col,nullable_col,unikey_col) values (null, 'hej', 9)"); ResultSet rs = stmt.executeQuery( "select id_col, nullable_col, unikey_col as something, char_col,us from test_rsmd"); assertTrue(rs.next()); ResultSetMetaData rsmd = rs.getMetaData(); assertEquals(true, rsmd.isAutoIncrement(1)); assertEquals(5, rsmd.getColumnCount()); assertEquals(ResultSetMetaData.columnNullable, rsmd.isNullable(2)); assertEquals(ResultSetMetaData.columnNoNulls, rsmd.isNullable(1)); assertEquals(String.class.getName(), rsmd.getColumnClassName(2)); assertEquals(Integer.class.getName(), rsmd.getColumnClassName(1)); assertEquals(Integer.class.getName(), rsmd.getColumnClassName(3)); assertEquals("id_col", rsmd.getColumnLabel(1)); assertEquals("nullable_col", rsmd.getColumnLabel(2)); assertEquals("something", rsmd.getColumnLabel(3)); assertEquals("unikey_col", rsmd.getColumnName(3)); assertEquals(Types.CHAR, rsmd.getColumnType(4)); assertEquals(Types.SMALLINT, rsmd.getColumnType(5)); assertFalse(rsmd.isReadOnly(1)); assertFalse(rsmd.isReadOnly(2)); assertFalse(rsmd.isReadOnly(3)); assertFalse(rsmd.isReadOnly(4)); assertFalse(rsmd.isReadOnly(5)); assertTrue(rsmd.isWritable(1)); assertTrue(rsmd.isWritable(2)); assertTrue(rsmd.isWritable(3)); assertTrue(rsmd.isWritable(4)); assertTrue(rsmd.isWritable(5)); assertTrue(rsmd.isDefinitelyWritable(1)); assertTrue(rsmd.isDefinitelyWritable(2)); assertTrue(rsmd.isDefinitelyWritable(3)); assertTrue(rsmd.isDefinitelyWritable(4)); assertTrue(rsmd.isDefinitelyWritable(5)); try { rsmd.isReadOnly(6); fail("must have throw exception"); } catch (SQLException sqle) { assertTrue(sqle.getMessage().contains("wrong column index 6. must be in [1, 5] range")); } try { rsmd.isWritable(6); fail("must have throw exception"); } catch (SQLException sqle) { assertTrue(sqle.getMessage().contains("wrong column index 6. must be in [1, 5] range")); } try { rsmd.isDefinitelyWritable(6); fail("must have throw exception"); } catch (SQLException sqle) { assertTrue(sqle.getMessage().contains("wrong column index 6. must be in [1, 5] range")); } rs = stmt.executeQuery("select count(char_col) from test_rsmd"); assertTrue(rs.next()); rsmd = rs.getMetaData(); assertTrue(rsmd.isReadOnly(1)); DatabaseMetaData md = sharedConnection.getMetaData(); ResultSet cols = md.getColumns(null, null, "test\\_rsmd", null); cols.next(); assertEquals("id_col", cols.getString("COLUMN_NAME")); assertEquals(Types.INTEGER, cols.getInt("DATA_TYPE")); cols.next(); /* nullable_col */ cols.next(); /* unikey_col */ cols.next(); /* char_col */ assertEquals("char_col", cols.getString("COLUMN_NAME")); assertEquals(Types.CHAR, cols.getInt("DATA_TYPE")); cols.next(); /* us */ // CONJ-96: SMALLINT UNSIGNED gives Types.SMALLINT assertEquals("us", cols.getString("COLUMN_NAME")); assertEquals(Types.SMALLINT, cols.getInt("DATA_TYPE")); } @Test public void conj17() throws Exception { requireMinimumVersion(5, 0); ResultSet rs = sharedConnection .createStatement() .executeQuery("select count(*),1 from information_schema.tables"); assertTrue(rs.next()); assertEquals(rs.getMetaData().getColumnName(1), "count(*)"); assertEquals(rs.getMetaData().getColumnName(2), "1"); } @Test public void conj84() throws Exception { requireMinimumVersion(5, 0); Statement stmt = sharedConnection.createStatement(); stmt.execute("INSERT INTO t1 VALUES (1, 'foo')"); stmt.execute("INSERT INTO t2 VALUES (2, 'bar')"); ResultSet rs = sharedConnection.createStatement().executeQuery("select t1.*, t2.* FROM t1 join t2"); assertTrue(rs.next()); assertEquals(rs.findColumn("id"), 1); assertEquals(rs.findColumn("name"), 2); assertEquals(rs.findColumn("t1.id"), 1); assertEquals(rs.findColumn("t1.name"), 2); assertEquals(rs.findColumn("t2.id"), 3); assertEquals(rs.findColumn("t2.name"), 4); } @Test public void testAlias() throws Exception { Statement stmt = sharedConnection.createStatement(); stmt.execute("INSERT INTO testAlias VALUES (1, 'foo')"); stmt.execute("INSERT INTO testAlias2 VALUES (2, 'bar')"); ResultSet rs = sharedConnection .createStatement() .executeQuery( "select alias1.id as idalias1 , alias1.name as namealias1, id2 as idalias2 , name2, testAlias.id " + "FROM testAlias as alias1 join testAlias2 as alias2 join testAlias"); assertTrue(rs.next()); assertEquals(rs.findColumn("idalias1"), 1); assertEquals(rs.findColumn("alias1.idalias1"), 1); assertEquals(rs.findColumn("name"), 2); assertEquals(rs.findColumn("namealias1"), 2); assertEquals(rs.findColumn("alias1.namealias1"), 2); assertEquals(rs.findColumn("id2"), 3); assertEquals(rs.findColumn("idalias2"), 3); assertEquals(rs.findColumn("alias2.idalias2"), 3); assertEquals(rs.findColumn("testAlias2.id2"), 3); assertEquals(rs.findColumn("name2"), 4); assertEquals(rs.findColumn("testAlias2.name2"), 4); assertEquals(rs.findColumn("alias2.name2"), 4); assertEquals(rs.findColumn("id"), 5); assertEquals(rs.findColumn("testAlias.id"), 5); try { rs.findColumn("alias2.name22"); fail("Must have thrown exception"); } catch (SQLException sqle) { // normal exception } try { assertEquals(rs.findColumn(""), 4); fail("Must have thrown exception"); } catch (SQLException sqle) { // normal exception } try { assertEquals(rs.findColumn(null), 4); fail("Must have thrown exception"); } catch (SQLException sqle) { // normal exception } } /* * CONJ-149: ResultSetMetaData.getTableName returns table alias instead of real table name * * @throws SQLException */ @Test public void tableNameTest() throws Exception { ResultSet rs = sharedConnection .createStatement() .executeQuery("SELECT id AS id_alias FROM t3 AS t1_alias"); ResultSetMetaData rsmd = rs.getMetaData(); // this should return the original name of the table, not the alias logInfo(rsmd.getTableName(1)); assertEquals(rsmd.getTableName(1), "t3"); assertEquals(rsmd.getColumnLabel(1), "id_alias"); assertEquals(rsmd.getColumnName(1), "id"); // add useOldAliasMetadataBehavior to get the alias instead of the real // table name try (Connection connection = setConnection("&useOldAliasMetadataBehavior")) { rs = connection.createStatement().executeQuery("SELECT id AS id_alias FROM t3 AS t1_alias"); rsmd = rs.getMetaData(); logInfo(rsmd.getTableName(1)); assertEquals(rsmd.getTableName(1), "t1_alias"); assertEquals(rsmd.getColumnLabel(1), "id_alias"); assertEquals(rsmd.getColumnName(1), "id_alias"); } try (Connection connection = setConnection("&blankTableNameMeta")) { rs = connection.createStatement().executeQuery("SELECT id AS id_alias FROM t3 AS t1_alias"); rsmd = rs.getMetaData(); assertEquals(rsmd.getTableName(1), ""); assertEquals(rsmd.getColumnLabel(1), "id_alias"); assertEquals(rsmd.getColumnName(1), "id"); } try (Connection connection = setConnection("&blankTableNameMeta&useOldAliasMetadataBehavior")) { rs = connection.createStatement().executeQuery("SELECT id AS id_alias FROM t3 AS t1_alias"); rsmd = rs.getMetaData(); assertEquals(rsmd.getTableName(1), ""); assertEquals(rsmd.getColumnLabel(1), "id_alias"); assertEquals(rsmd.getColumnName(1), "id_alias"); } } }