/** Basic test of DatabaseMetaData functions that access system tables */
public void testTwo() throws Exception {
Connection conn = newConnection();
int updateCount;
try {
TestUtil.testScript(conn, "testrun/hsqldb/TestSelf.txt");
DatabaseMetaData dbmeta = conn.getMetaData();
dbmeta.allProceduresAreCallable();
dbmeta.getBestRowIdentifier(null, null, "T_1", DatabaseMetaData.bestRowTransaction, true);
dbmeta.getCatalogs();
dbmeta.getColumnPrivileges(null, "PUBLIC", "T_1", "%");
dbmeta.getColumns("PUBLIC", "PUBLIC", "T_1", "%");
dbmeta.getCrossReference(null, null, "T_1", null, null, "T_1");
dbmeta.getExportedKeys(null, null, "T_1");
dbmeta.getFunctionColumns(null, "%", "%", "%");
dbmeta.getFunctions(null, "%", "%");
dbmeta.getImportedKeys("PUBLIC", "PUBLIC", "T_1");
dbmeta.getIndexInfo("PUBLIC", "PUBLIC", "T1", true, true);
dbmeta.getPrimaryKeys("PUBLIC", "PUBLIC", "T_1");
dbmeta.getProcedureColumns(null, null, "%", "%");
dbmeta.getProcedures("PUBLIC", "%", "%");
dbmeta.getSchemas(null, "#");
dbmeta.getTablePrivileges(null, "%", "%");
dbmeta.getUDTs(null, "%", "%", new int[] {Types.DISTINCT});
} catch (Exception e) {
assertTrue("unable to prepare or execute DDL", false);
} finally {
conn.close();
}
}
public ResultSet getBestRowIdentifier(
String catalog, String schema, String table, int scope, boolean nullable)
throws SQLException {
_conn.checkOpen();
try {
return DelegatingResultSet.wrapResultSet(
_conn, _meta.getBestRowIdentifier(catalog, schema, table, scope, nullable));
} catch (SQLException e) {
handleException(e);
throw new AssertionError();
}
}
@Test
public void columnOrderOfgetBestRowIdentifier() throws SQLException {
ResultSet rs = meta.getBestRowIdentifier(null, null, null, 0, false);
assertFalse(rs.next());
ResultSetMetaData rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 8);
assertEquals(rsmeta.getColumnName(1), "SCOPE");
assertEquals(rsmeta.getColumnName(2), "COLUMN_NAME");
assertEquals(rsmeta.getColumnName(3), "DATA_TYPE");
assertEquals(rsmeta.getColumnName(4), "TYPE_NAME");
assertEquals(rsmeta.getColumnName(5), "COLUMN_SIZE");
assertEquals(rsmeta.getColumnName(6), "BUFFER_LENGTH");
assertEquals(rsmeta.getColumnName(7), "DECIMAL_DIGITS");
assertEquals(rsmeta.getColumnName(8), "PSEUDO_COLUMN");
}
public void testMetaData() {
String ddl0 =
"DROP TABLE ADDRESSBOOK IF EXISTS; DROP TABLE ADDRESSBOOK_CATEGORY IF EXISTS; DROP TABLE USER IF EXISTS;";
String ddl1 =
"CREATE TABLE USER(USER_ID INTEGER NOT NULL PRIMARY KEY,LOGIN_ID VARCHAR(128) NOT NULL,USER_NAME VARCHAR(254) DEFAULT ' ' NOT NULL,CREATE_DATE TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,UPDATE_DATE TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,LAST_ACCESS_DATE TIMESTAMP,CONSTRAINT IXUQ_LOGIN_ID0 UNIQUE(LOGIN_ID))";
String ddl2 =
"CREATE TABLE ADDRESSBOOK_CATEGORY(USER_ID INTEGER NOT NULL,CATEGORY_ID INTEGER DEFAULT 0 NOT NULL,CATEGORY_NAME VARCHAR(60) DEFAULT '' NOT NULL,CONSTRAINT SYS_PK_ADDRESSBOOK_CATEGORY PRIMARY KEY(USER_ID,CATEGORY_ID),CONSTRAINT FK_ADRBKCAT1 FOREIGN KEY(USER_ID) REFERENCES USER(USER_ID) ON DELETE CASCADE)";
String ddl3 =
"CREATE TABLE ADDRESSBOOK(USER_ID INTEGER NOT NULL,ADDRESSBOOK_ID INTEGER NOT NULL,CATEGORY_ID INTEGER DEFAULT 0 NOT NULL,FIRST VARCHAR(64) DEFAULT '' NOT NULL,LAST VARCHAR(64) DEFAULT '' NOT NULL,NOTE VARCHAR(128) DEFAULT '' NOT NULL,CONSTRAINT SYS_PK_ADDRESSBOOK PRIMARY KEY(USER_ID,ADDRESSBOOK_ID),CONSTRAINT FK_ADRBOOK1 FOREIGN KEY(USER_ID,CATEGORY_ID) REFERENCES ADDRESSBOOK_CATEGORY(USER_ID,CATEGORY_ID) ON DELETE CASCADE)";
String result1 = "1";
String result2 = "2";
String result3 = "3";
String result4 = "4";
String result5 = "5";
try {
stmnt.execute(ddl0);
stmnt.execute(ddl1);
stmnt.execute(ddl2);
stmnt.execute(ddl3);
DatabaseMetaData md = connection.getMetaData();
{
System.out.println("Testing DatabaseMetaData methods");
System.out.println(md.getDatabaseMajorVersion());
System.out.println(md.getDatabaseMinorVersion());
System.out.println(md.getDatabaseProductName());
System.out.println(md.getDatabaseProductVersion());
System.out.println(md.getDefaultTransactionIsolation());
System.out.println(md.getDriverMajorVersion());
System.out.println(md.getDriverMinorVersion());
System.out.println(md.getDriverName());
System.out.println(md.getDriverVersion());
System.out.println(md.getExtraNameCharacters());
System.out.println(md.getIdentifierQuoteString());
System.out.println(md.getJDBCMajorVersion());
System.out.println(md.getJDBCMinorVersion());
System.out.println(md.getMaxBinaryLiteralLength());
System.out.println(md.getMaxCatalogNameLength());
System.out.println(md.getMaxColumnsInGroupBy());
System.out.println(md.getMaxColumnsInIndex());
System.out.println(md.getMaxColumnsInOrderBy());
System.out.println(md.getMaxColumnsInSelect());
System.out.println(md.getMaxColumnsInTable());
System.out.println(md.getMaxConnections());
System.out.println(md.getMaxCursorNameLength());
System.out.println(md.getMaxIndexLength());
System.out.println(md.getMaxProcedureNameLength());
System.out.println(md.getMaxRowSize());
System.out.println(md.getMaxSchemaNameLength());
System.out.println(md.getMaxStatementLength());
System.out.println(md.getMaxStatements());
System.out.println(md.getMaxTableNameLength());
System.out.println(md.getMaxUserNameLength());
System.out.println(md.getNumericFunctions());
System.out.println(md.getProcedureTerm());
System.out.println(md.getResultSetHoldability());
System.out.println(md.getSchemaTerm());
System.out.println(md.getSearchStringEscape());
System.out.println("Testing DatabaseMetaData.getSQLKeywords()");
System.out.println(md.getSQLKeywords());
System.out.println(md.getSQLStateType());
System.out.println("Testing DatabaseMetaData.getStringFunctions()");
System.out.println(md.getStringFunctions());
System.out.println("Testing DatabaseMetaData.getSystemFunctions()");
System.out.println(md.getSystemFunctions());
System.out.println("Testing DatabaseMetaData.getTimeDateFunctions()");
System.out.println(md.getTimeDateFunctions());
System.out.println(md.getURL());
System.out.println(md.getUserName());
System.out.println(DatabaseMetaData.importedKeyCascade);
System.out.println(md.isCatalogAtStart());
System.out.println(md.isReadOnly());
ResultSet rs;
rs = md.getPrimaryKeys(null, null, "USER");
ResultSetMetaData rsmd = rs.getMetaData();
String result0 = "";
for (; rs.next(); ) {
for (int i = 0; i < rsmd.getColumnCount(); i++) {
result0 += rs.getString(i + 1) + ":";
}
result0 += "\n";
}
rs.close();
System.out.println(result0);
}
{
ResultSet rs;
rs = md.getBestRowIdentifier(null, null, "USER", 0, true);
ResultSetMetaData rsmd = rs.getMetaData();
String result0 = "";
for (; rs.next(); ) {
for (int i = 0; i < rsmd.getColumnCount(); i++) {
result0 += rs.getString(i + 1) + ":";
}
result0 += "\n";
}
rs.close();
System.out.println(result0);
}
{
ResultSet rs = md.getImportedKeys(null, null, "ADDRESSBOOK");
ResultSetMetaData rsmd = rs.getMetaData();
result1 = "";
for (; rs.next(); ) {
for (int i = 0; i < rsmd.getColumnCount(); i++) {
result1 += rs.getString(i + 1) + ":";
}
result1 += "\n";
}
rs.close();
System.out.println(result1);
}
{
ResultSet rs =
md.getCrossReference(null, null, "ADDRESSBOOK_CATEGORY", null, null, "ADDRESSBOOK");
ResultSetMetaData rsmd = rs.getMetaData();
result2 = "";
for (; rs.next(); ) {
for (int i = 0; i < rsmd.getColumnCount(); i++) {
result2 += rs.getString(i + 1) + ":";
}
result2 += "\n";
}
rs.close();
System.out.println(result2);
}
{
ResultSet rs = md.getExportedKeys(null, null, "USER");
ResultSetMetaData rsmd = rs.getMetaData();
result3 = "";
for (; rs.next(); ) {
for (int i = 0; i < rsmd.getColumnCount(); i++) {
result3 += rs.getString(i + 1) + ":";
}
result3 += "\n";
}
rs.close();
System.out.println(result3);
}
{
ResultSet rs = md.getCrossReference(null, null, "USER", null, null, "ADDRESSBOOK_CATEGORY");
ResultSetMetaData rsmd = rs.getMetaData();
result4 = "";
for (; rs.next(); ) {
for (int i = 0; i < rsmd.getColumnCount(); i++) {
result4 += rs.getString(i + 1) + ":";
}
result4 += "\n";
}
rs.close();
System.out.println(result4);
}
{
stmnt.execute("DROP TABLE T IF EXISTS;");
stmnt.execute("CREATE TABLE T (I IDENTITY, A CHAR(20), B CHAR(20));");
stmnt.execute("INSERT INTO T VALUES (NULL, 'get_column_name', '" + getColumnName + "');");
ResultSet rs = stmnt.executeQuery("SELECT I, A, B, A \"aliasA\", B \"aliasB\", 1 FROM T;");
ResultSetMetaData rsmd = rs.getMetaData();
result5 = "";
for (; rs.next(); ) {
for (int i = 0; i < rsmd.getColumnCount(); i++) {
result5 += rsmd.getColumnName(i + 1) + ":" + rs.getString(i + 1) + ":";
}
result5 += "\n";
}
rs.close();
rs = stmnt.executeQuery("SELECT I, A, B, A \"aliasA\", B \"aliasB\", 1 FROM T;");
rsmd = rs.getMetaData();
for (; rs.next(); ) {
for (int i = 0; i < rsmd.getColumnCount(); i++) {
result5 += rsmd.getColumnLabel(i + 1) + ":" + rs.getString(i + 1) + ":";
}
result5 += "\n";
}
System.out.println(result5);
System.out.println("first column identity: " + rsmd.isAutoIncrement(1));
rsmd.isCaseSensitive(1);
rsmd.isCurrency(1);
rsmd.isDefinitelyWritable(1);
rsmd.isNullable(1);
rsmd.isReadOnly(1);
rsmd.isSearchable(1);
rsmd.isSigned(1);
rsmd.isWritable(1);
rs.close();
// test identity with PreparedStatement
pstmnt = connection.prepareStatement("INSERT INTO T VALUES (?,?,?)");
pstmnt.setString(1, null);
pstmnt.setString(2, "test");
pstmnt.setString(3, "test2");
pstmnt.executeUpdate();
pstmnt = connection.prepareStatement("call identity()");
ResultSet rsi = pstmnt.executeQuery();
rsi.next();
int identity = rsi.getInt(1);
System.out.println("call identity(): " + identity);
rsi.close();
}
} catch (SQLException e) {
fail(e.getMessage());
}
System.out.println("testMetaData complete");
// assert equality of exported and imported with xref
assertEquals(result1, result2);
assertEquals(result3, result4);
}
public ResultSet getBestRowIdentifier(
String catalog, String schema, String table, int scope, boolean nullable)
throws SQLException {
return throwExceptionDelegate.getBestRowIdentifier(catalog, schema, table, scope, nullable);
}