/** 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 getUDTs(
String catalog, String schemaPattern, String typeNamePattern, int[] types)
throws SQLException {
_conn.checkOpen();
try {
return DelegatingResultSet.wrapResultSet(
_conn, _meta.getUDTs(catalog, schemaPattern, typeNamePattern, types));
} catch (SQLException e) {
handleException(e);
throw new AssertionError();
}
}
@Test
public void columnOrderOfgetUDTs() throws SQLException {
ResultSet rs = meta.getUDTs(null, null, null, null);
assertFalse(rs.next());
ResultSetMetaData rsmeta = rs.getMetaData();
assertEquals(rsmeta.getColumnCount(), 7);
assertEquals(rsmeta.getColumnName(1), "TYPE_CAT");
assertEquals(rsmeta.getColumnName(2), "TYPE_SCHEM");
assertEquals(rsmeta.getColumnName(3), "TYPE_NAME");
assertEquals(rsmeta.getColumnName(4), "CLASS_NAME");
assertEquals(rsmeta.getColumnName(5), "DATA_TYPE");
assertEquals(rsmeta.getColumnName(6), "REMARKS");
assertEquals(rsmeta.getColumnName(7), "BASE_TYPE");
}
@Test
public void testUDTs() throws Exception {
TestMMDatabaseMetaData.compareResultSet(
dbMetadata.getUDTs(VDB, null, "%", null)); // $NON-NLS-1$ //$NON-NLS-2$
}
protected boolean checkExistence(Connection conn, DatabaseObjectType type, String... params)
throws SQLException {
boolean result = false;
DatabaseMetaData metadata = null;
PreparedStatement pstmt = null;
BaseSchema baseSchema = catalogStore.getSchema();
if (params == null || params.length < 1) {
throw new IllegalArgumentException("checkExistence function needs at least one argument.");
}
switch (type) {
case DATA:
metadata = conn.getMetaData();
ResultSet data =
metadata.getUDTs(
null,
baseSchema.getSchemaName() != null && !baseSchema.getSchemaName().isEmpty()
? baseSchema.getSchemaName().toUpperCase()
: null,
params[0].toUpperCase(),
null);
result = data.next();
CatalogUtil.closeQuietly(data);
break;
case FUNCTION:
metadata = conn.getMetaData();
ResultSet functions =
metadata.getFunctions(
null,
baseSchema.getSchemaName() != null && !baseSchema.getSchemaName().isEmpty()
? baseSchema.getSchemaName().toUpperCase()
: null,
params[0].toUpperCase());
result = functions.next();
CatalogUtil.closeQuietly(functions);
break;
case INDEX:
if (params.length != 2) {
throw new IllegalArgumentException(
"Finding index object is needed two strings, table name and index name");
}
pstmt = getExistQuery(conn, type);
if (pstmt != null) {
result = checkExistenceByQuery(pstmt, baseSchema, params);
} else {
metadata = conn.getMetaData();
ResultSet indexes =
metadata.getIndexInfo(
null,
baseSchema.getSchemaName() != null && !baseSchema.getSchemaName().isEmpty()
? baseSchema.getSchemaName().toUpperCase()
: null,
params[0].toUpperCase(),
false,
true);
while (indexes.next()) {
if (indexes.getString("INDEX_NAME").equals(params[1].toUpperCase())) {
result = true;
break;
}
}
CatalogUtil.closeQuietly(indexes);
}
break;
case TABLE:
pstmt = getExistQuery(conn, type);
if (pstmt != null) {
result = checkExistenceByQuery(pstmt, baseSchema, params);
} else {
metadata = conn.getMetaData();
ResultSet tables =
metadata.getTables(
null,
baseSchema.getSchemaName() != null && !baseSchema.getSchemaName().isEmpty()
? baseSchema.getSchemaName().toUpperCase()
: null,
params[0].toUpperCase(),
new String[] {"TABLE"});
result = tables.next();
CatalogUtil.closeQuietly(tables);
}
break;
case DOMAIN:
case OPERATOR:
case RULE:
case SEQUENCE:
case TRIGGER:
case VIEW:
pstmt = getExistQuery(conn, type);
if (pstmt == null) {
throw new TajoInternalError(
"Finding "
+ type
+ " type of database object is not supported on this database system.");
}
result = checkExistenceByQuery(pstmt, baseSchema, params);
break;
}
return result;
}
public ResultSet getUDTs(
String catalog, String schemaPattern, String typeNamePattern, int[] types)
throws SQLException {
return throwExceptionDelegate.getUDTs(catalog, schemaPattern, typeNamePattern, types);
}