public boolean tableExists(Connection connection, TableName tableName)
throws PersistenceException {
if (tableName == null) {
throw new NullPointerException("table name is mandatory");
}
ResultSet rs = null;
try {
// we need to make sure, that (even if the user has extended permissions) only the tables in
// current schema are checked
// explicit set of the schema to the current user one to make sure only tables of the current
// users are requested
DatabaseMetaData metaData = connection.getMetaData();
String schemaPattern = tableName.getSchema();
if (schemaPattern == null) {
switch (getDialect()) {
case ORACLE:
schemaPattern = metaData.getUserName();
break;
default:
}
}
rs = metaData.getTables(null, schemaPattern, tableName.getName(), new String[] {"TABLE"});
return rs.next();
} catch (SQLException e) {
if (trace) log.tracef(e, "SQLException occurs while checking the table %s", tableName);
return false;
} finally {
JdbcUtil.safeClose(rs);
}
}
/**
* Prints metadata, such as database username and connection URL, for an open JDBC connection.
* This is a utility method for use during debugging.
*
* @param conn an open JDBC Connection
* @throws SQLException
*/
private static void printConnectionMetaData(Connection conn) throws SQLException {
if (conn != null) {
DatabaseMetaData metadata = conn.getMetaData();
// FIXME: Outputs via System.out, rather than Logger, for
// cases where this may be called during server startup.
System.out.println("username="******"database url=" + metadata.getURL());
}
}
public String getUserName() throws SQLException {
{
try {
return _meta.getUserName();
} catch (SQLException e) {
handleException(e);
throw new AssertionError();
}
}
}
/** Returns a table's primary key columns as a Set of strings. */
public static Set<String> getPrimaryKey(DatabaseMetaData metadata, String tableName)
throws Exception {
Set<String> columns = new HashSet<String>();
ResultSet keys =
metadata.getPrimaryKeys(
metadata.getConnection().getCatalog(), metadata.getUserName(), tableName);
while (keys.next()) {
columns.add(keys.getString(PRIMARY_PK_COL_NAME));
}
keys.close();
return columns;
}
@Test
public void testMatchInParametersAndSqlTypeInfoWrapping() throws Exception {
final String TABLE = "customers";
final String USER = "******";
ResultSet metaDataResultSet = mock(ResultSet.class);
given(metaDataResultSet.next()).willReturn(true, false);
given(metaDataResultSet.getString("TABLE_SCHEM")).willReturn(USER);
given(metaDataResultSet.getString("TABLE_NAME")).willReturn(TABLE);
given(metaDataResultSet.getString("TABLE_TYPE")).willReturn("TABLE");
ResultSet columnsResultSet = mock(ResultSet.class);
given(columnsResultSet.next()).willReturn(true, true, true, true, false);
given(columnsResultSet.getString("COLUMN_NAME"))
.willReturn("id", "name", "customersince", "version");
given(columnsResultSet.getInt("DATA_TYPE"))
.willReturn(Types.INTEGER, Types.VARCHAR, Types.DATE, Types.NUMERIC);
given(columnsResultSet.getBoolean("NULLABLE")).willReturn(false, true, true, false);
given(databaseMetaData.getDatabaseProductName()).willReturn("MyDB");
given(databaseMetaData.getDatabaseProductName()).willReturn("1.0");
given(databaseMetaData.getUserName()).willReturn(USER);
given(databaseMetaData.storesLowerCaseIdentifiers()).willReturn(true);
given(databaseMetaData.getTables(null, null, TABLE, null)).willReturn(metaDataResultSet);
given(databaseMetaData.getColumns(null, USER, TABLE, null)).willReturn(columnsResultSet);
MapSqlParameterSource map = new MapSqlParameterSource();
map.addValue("id", 1);
map.addValue("name", "Sven");
map.addValue("customersince", new Date());
map.addValue("version", 0);
map.registerSqlType("customersince", Types.DATE);
map.registerSqlType("version", Types.NUMERIC);
context.setTableName(TABLE);
context.processMetaData(dataSource, new ArrayList<>(), new String[] {});
List<Object> values = context.matchInParameterValuesWithInsertColumns(map);
assertEquals("wrong number of parameters: ", 4, values.size());
assertTrue("id not wrapped with type info", values.get(0) instanceof Number);
assertTrue("name not wrapped with type info", values.get(1) instanceof String);
assertTrue("date wrapped with type info", values.get(2) instanceof SqlParameterValue);
assertTrue("version wrapped with type info", values.get(3) instanceof SqlParameterValue);
verify(metaDataResultSet, atLeastOnce()).next();
verify(columnsResultSet, atLeastOnce()).next();
verify(metaDataResultSet).close();
verify(columnsResultSet).close();
}
public static String getDBServerURL() {
Connection conn = null;
try {
conn = DAOFactory.getInstance().getConnection();
if (conn != null) {
DatabaseMetaData meta = conn.getMetaData();
return (meta.getURL() + ":" + meta.getUserName()).toUpperCase();
}
} catch (SQLException e) {
e.printStackTrace();
} finally {
DBHelper.closeConnection(conn);
}
return "";
}
private static void print(Connection connection) {
if (LOGGER.isDebugEnabled()) {
try {
DatabaseMetaData metadata = connection.getMetaData();
LOGGER.debug(
"Returning Connection ["
+ metadata.getURL()
+ "] From user ["
+ metadata.getUserName()
+ "]");
} catch (Exception ex) {
LOGGER.error("Error logging connection details: " + ex.getMessage(), ex);
}
}
}
public CompositeMap getPrimaryKeys() throws SQLException {
CompositeMap primaryKeyArray =
new CommentCompositeMap(BMUtil.BMPrefix, AuroraConstant.BMUri, "primary-key");
String tableName = getTableName();
if (tableName == null) return primaryKeyArray;
DatabaseMetaData dbMetaData = getDBMetaData();
ResultSet tableRet = dbMetaData.getPrimaryKeys(null, dbMetaData.getUserName(), tableName);
while (tableRet.next()) {
CompositeMap field =
new CommentCompositeMap(BMUtil.BMPrefix, AuroraConstant.BMUri, "pk-field");
field.put("name", tableRet.getString("COLUMN_NAME").toLowerCase());
primaryKeyArray.addChild(field);
}
return primaryKeyArray;
}
@Signature
public Memory getMetaData() throws SQLException {
ArrayMemory r = new ArrayMemory();
r.refOfIndex("userName").assign(metaData.getUserName());
r.refOfIndex("driverName").assign(metaData.getDriverName());
r.refOfIndex("driverVersion").assign(metaData.getDriverVersion());
r.refOfIndex("databaseName").assign(metaData.getDatabaseProductName());
r.refOfIndex("databaseVersion").assign(metaData.getDatabaseProductVersion());
r.refOfIndex("catalogSeparator").assign(metaData.getCatalogSeparator());
r.refOfIndex("catalogTerm").assign(metaData.getCatalogTerm());
r.refOfIndex("schemaTerm").assign(metaData.getSchemaTerm());
r.refOfIndex("procedureTerm").assign(metaData.getProcedureTerm());
r.refOfIndex("searchStringEscape").assign(metaData.getSearchStringEscape());
r.refOfIndex("numericFunctions").assign(metaData.getNumericFunctions());
r.refOfIndex("stringFunctions").assign(metaData.getStringFunctions());
r.refOfIndex("timeDateFunctions").assign(metaData.getTimeDateFunctions());
r.refOfIndex("systemFunctions").assign(metaData.getSystemFunctions());
r.refOfIndex("defaultTransactionIsolation").assign(metaData.getDefaultTransactionIsolation());
r.refOfIndex("identifierQuoteString").assign(metaData.getIdentifierQuoteString());
r.refOfIndex("maxBinaryLiteralLength").assign(metaData.getMaxBinaryLiteralLength());
r.refOfIndex("maxCatalogNameLength").assign(metaData.getMaxCatalogNameLength());
r.refOfIndex("maxCharLiteralLength").assign(metaData.getMaxCharLiteralLength());
r.refOfIndex("maxConnections").assign(metaData.getMaxConnections());
r.refOfIndex("maxColumnNameLength").assign(metaData.getMaxColumnNameLength());
r.refOfIndex("maxColumnsInGroupBy").assign(metaData.getMaxColumnsInGroupBy());
r.refOfIndex("maxColumnsInIndex").assign(metaData.getMaxColumnsInIndex());
r.refOfIndex("maxColumnsInOrderBy").assign(metaData.getMaxColumnsInOrderBy());
r.refOfIndex("maxColumnsInSelect").assign(metaData.getMaxColumnsInSelect());
r.refOfIndex("maxColumnsInTable").assign(metaData.getMaxColumnsInTable());
r.refOfIndex("maxCursorNameLength").assign(metaData.getMaxCursorNameLength());
r.refOfIndex("maxIndexLength").assign(metaData.getMaxIndexLength());
r.refOfIndex("maxProcedureNameLength").assign(metaData.getMaxProcedureNameLength());
r.refOfIndex("maxRowSize").assign(metaData.getMaxRowSize());
r.refOfIndex("maxSchemaNameLength").assign(metaData.getMaxSchemaNameLength());
r.refOfIndex("maxStatementLength").assign(metaData.getMaxStatementLength());
r.refOfIndex("maxTableNameLength").assign(metaData.getMaxTableNameLength());
r.refOfIndex("maxTablesInSelect").assign(metaData.getMaxTablesInSelect());
return r.toConstant();
}
@Override
public IDatabaseConnection createConnection(
final Connection con, final DatabaseMetaData databaseMetaData)
throws SQLException, DatabaseUnitException {
logger.warn(
String.format(
">>>>> %s invoked to create a connection!\n", this.getClass().getSimpleName()));
IDatabaseConnection connection = null;
// FIXME not nice I found not a fast possibility to generate inside H2
// the tables inside a
// schema as oracle do.
final String driverName = databaseMetaData.getDriverName();
if (driverName.toLowerCase().contains("oracle")) {
// oracle schema name is the user name
connection = new DatabaseConnection(con, databaseMetaData.getUserName().toUpperCase());
} else {
if (driverName.contains("H2")) {
// H2
connection = new DatabaseConnection(con);
} else if (driverName.contains("postgresql")) {
// postgresql
connection = new DatabaseConnection(con, "public");
} else {
// all other
connection = new DatabaseConnection(con);
}
}
logger.warn(
String.format(
"<<<<< %s returns connection %s!\n", this.getClass().getSimpleName(), connection));
// final DatabaseConfig config = connection.getConfig();
// // oracle 10g
// // FIXME at the moment we have a hard coded oracle notation
// config.setProperty(DatabaseConfig.PROPERTY_DATATYPE_FACTORY, new
// Oracle10DataTypeFactory());
return connection;
}
@RequestMapping(method = RequestMethod.GET)
public String showInformations(Model model) {
List<Informations> info = new ArrayList<>();
info.add(new Informations("Versão", repInfo.getProperty("repository.version")));
info.add(new Informations("Número de documentos", Long.toString(docService.count())));
info.add(
new Informations(
"Domínio",
config.getProperty("Repositorio.hostname"),
"Este dominio será utilizado para criar a localização dos documentos. Editar no arquivo: 'config.properties'."));
info.add(
new Informations(
"Raiz do projeto", config.getProperty("Repositorio.rootPath", "/repositorio")));
info.add(
new Informations(
"Porta",
config.getProperty("Repositorio.port", "8080"),
"Porta informada no arquivo '/WEB-INF/classes/config.properties'"));
info.add(
new Informations(
"URL dos objetos",
Config.getUrl(config) + "{id}",
"URL que será utilizada para criar o location dos objetos. Pode ser editada em: '/WEB-INF/classes/config.properties'"));
try {
DatabaseMetaData databaseInfo = dataSource.getConnection().getMetaData();
info.add(new Informations("Base de dados utilizada", databaseInfo.getDatabaseProductName()));
info.add(
new Informations("Versão da base de dados", databaseInfo.getDatabaseProductVersion()));
info.add(new Informations("JDBC driver", databaseInfo.getDriverName()));
info.add(new Informations("Versão do JDBC driver", databaseInfo.getDriverVersion()));
info.add(new Informations("URL da base de dados", databaseInfo.getURL()));
info.add(new Informations("Usuário da base de dados", databaseInfo.getUserName()));
} catch (SQLException s) {
log.error("Error getting information about database.", s);
info.add(new Informations("Erro", "Não foi possível carregar os dados da base de dados"));
}
model.addAttribute("info", info);
return "panel/show";
}
/**
* Returns a table's foreign keys and their columns as a Map from the key name to the ForeignKey
* object.
*
* <p>A foreign key may not have a name. On such a database, 2 foreign keys must reference 2
* different tables. Otherwise there's no way to tell them apart and the foreign key information
* reported by DatabaseMetaData becomes ill-formed.
*/
public static Map<String, ForeignKey> getForeignKeys(DatabaseMetaData metadata, String tableName)
throws Exception {
ResultSet keys =
metadata.getImportedKeys(
metadata.getConnection().getCatalog(), metadata.getUserName(), tableName);
Map<String, ForeignKey> map = new HashMap<String, ForeignKey>();
while (keys.next()) {
String table = keys.getString(IMPORTED_PK_TAB_NAME);
String name = keys.getString(IMPORTED_FK_KEY_NAME);
if (name == null || name.length() == 0) name = "UNNAMED_FK_" + table;
ForeignKey key = map.get(name);
if (key == null) {
map.put(name, key = new ForeignKey(table));
}
key.add(keys.getString(IMPORTED_FK_COL_NAME));
}
keys.close();
return map;
}
@Test
public void testTableWithSingleColumnGeneratedKey() throws Exception {
final String TABLE = "customers";
final String USER = "******";
ResultSet metaDataResultSet = mock(ResultSet.class);
given(metaDataResultSet.next()).willReturn(true, false);
given(metaDataResultSet.getString("TABLE_SCHEM")).willReturn(USER);
given(metaDataResultSet.getString("TABLE_NAME")).willReturn(TABLE);
given(metaDataResultSet.getString("TABLE_TYPE")).willReturn("TABLE");
ResultSet columnsResultSet = mock(ResultSet.class);
given(columnsResultSet.next()).willReturn(true, false);
given(columnsResultSet.getString("COLUMN_NAME")).willReturn("id");
given(columnsResultSet.getInt("DATA_TYPE")).willReturn(Types.INTEGER);
given(columnsResultSet.getBoolean("NULLABLE")).willReturn(false);
given(databaseMetaData.getDatabaseProductName()).willReturn("MyDB");
given(databaseMetaData.getDatabaseProductName()).willReturn("1.0");
given(databaseMetaData.getUserName()).willReturn(USER);
given(databaseMetaData.storesLowerCaseIdentifiers()).willReturn(true);
given(databaseMetaData.getTables(null, null, TABLE, null)).willReturn(metaDataResultSet);
given(databaseMetaData.getColumns(null, USER, TABLE, null)).willReturn(columnsResultSet);
MapSqlParameterSource map = new MapSqlParameterSource();
String[] keyCols = new String[] {"id"};
context.setTableName(TABLE);
context.processMetaData(dataSource, new ArrayList<>(), keyCols);
List<Object> values = context.matchInParameterValuesWithInsertColumns(map);
String insertString = context.createInsertString(keyCols);
assertEquals("wrong number of parameters: ", 0, values.size());
assertEquals(
"empty insert not generated correctly", "INSERT INTO customers () VALUES()", insertString);
verify(metaDataResultSet, atLeastOnce()).next();
verify(columnsResultSet, atLeastOnce()).next();
verify(metaDataResultSet).close();
verify(columnsResultSet).close();
}
/* Clear all existing nodes from the tree model and rebuild from scratch.
*/
protected void refreshTree() {
DefaultMutableTreeNode propertiesNode;
DefaultMutableTreeNode leaf;
// First clear the existing tree by simply enumerating
// over the root node's children and removing them one by one.
while (treeModel.getChildCount(rootNode) > 0) {
DefaultMutableTreeNode child = (DefaultMutableTreeNode) treeModel.getChild(rootNode, 0);
treeModel.removeNodeFromParent(child);
child.removeAllChildren();
child.removeFromParent();
}
treeModel.nodeStructureChanged(rootNode);
treeModel.reload();
tScrollPane.repaint();
// Now rebuild the tree below its root
try {
// Start by naming the root node from its URL:
rootNode.setUserObject(dMeta.getURL());
// get metadata about user tables by building a vector of table names
String usertables[] = {"TABLE", "GLOBAL TEMPORARY", "VIEW"};
ResultSet result = dMeta.getTables(null, null, null, usertables);
Vector tables = new Vector();
// sqlbob@users Added remarks.
Vector remarks = new Vector();
while (result.next()) {
tables.addElement(result.getString(3));
remarks.addElement(result.getString(5));
}
result.close();
// For each table, build a tree node with interesting info
for (int i = 0; i < tables.size(); i++) {
String name = (String) tables.elementAt(i);
DefaultMutableTreeNode tableNode = makeNode(name, rootNode);
ResultSet col = dMeta.getColumns(null, null, name, null);
// sqlbob@users Added remarks.
String remark = (String) remarks.elementAt(i);
if ((remark != null) && !remark.trim().equals("")) {
makeNode(remark, tableNode);
}
// With a child for each column containing pertinent attributes
while (col.next()) {
String c = col.getString(4);
DefaultMutableTreeNode columnNode = makeNode(c, tableNode);
String type = col.getString(6);
makeNode("Type: " + type, columnNode);
boolean nullable = col.getInt(11) != DatabaseMetaData.columnNoNulls;
makeNode("Nullable: " + nullable, columnNode);
}
col.close();
DefaultMutableTreeNode indexesNode = makeNode("Indices", tableNode);
ResultSet ind = dMeta.getIndexInfo(null, null, name, false, false);
String oldiname = null;
// A child node to contain each index - and its attributes
while (ind.next()) {
DefaultMutableTreeNode indexNode = null;
boolean nonunique = ind.getBoolean(4);
String iname = ind.getString(6);
if ((oldiname == null || !oldiname.equals(iname))) {
indexNode = makeNode(iname, indexesNode);
makeNode("Unique: " + !nonunique, indexNode);
oldiname = iname;
}
// And the ordered column list for index components
makeNode(ind.getString(9), indexNode);
}
ind.close();
}
// Finally - a little additional metadata on this connection
propertiesNode = makeNode("Properties", rootNode);
makeNode("User: "******"ReadOnly: " + cConn.isReadOnly(), propertiesNode);
makeNode("AutoCommit: " + cConn.getAutoCommit(), propertiesNode);
makeNode("Driver: " + dMeta.getDriverName(), propertiesNode);
makeNode("Product: " + dMeta.getDatabaseProductName(), propertiesNode);
makeNode("Version: " + dMeta.getDatabaseProductVersion(), propertiesNode);
} catch (SQLException se) {
propertiesNode = makeNode("Error getting metadata:", rootNode);
makeNode(se.getMessage(), propertiesNode);
makeNode(se.getSQLState(), propertiesNode);
}
treeModel.nodeStructureChanged(rootNode);
treeModel.reload();
tScrollPane.repaint();
}
/** Method declaration */
private void refreshTree() {
tTree.removeAll();
try {
int color_table = Color.yellow.getRGB();
int color_column = Color.orange.getRGB();
int color_index = Color.red.getRGB();
tTree.addRow("", dMeta.getURL(), "-", 0);
String usertables[] = {"TABLE"};
ResultSet result = dMeta.getTables(null, null, null, usertables);
Vector tables = new Vector();
// sqlbob@users Added remarks.
Vector remarks = new Vector();
while (result.next()) {
tables.addElement(result.getString(3));
remarks.addElement(result.getString(5));
}
result.close();
for (int i = 0; i < tables.size(); i++) {
String name = (String) tables.elementAt(i);
String key = "tab-" + name + "-";
tTree.addRow(key, name, "+", color_table);
// sqlbob@users Added remarks.
String remark = (String) remarks.elementAt(i);
if ((remark != null) && !remark.trim().equals("")) {
tTree.addRow(key + "r", " " + remark);
}
ResultSet col = dMeta.getColumns(null, null, name, null);
while (col.next()) {
String c = col.getString(4);
String k1 = key + "col-" + c + "-";
tTree.addRow(k1, c, "+", color_column);
String type = col.getString(6);
tTree.addRow(k1 + "t", "Type: " + type);
boolean nullable = col.getInt(11) != DatabaseMetaData.columnNoNulls;
tTree.addRow(k1 + "n", "Nullable: " + nullable);
}
col.close();
tTree.addRow(key + "ind", "Indices", "+", 0);
ResultSet ind = dMeta.getIndexInfo(null, null, name, false, false);
String oldiname = null;
while (ind.next()) {
boolean nonunique = ind.getBoolean(4);
String iname = ind.getString(6);
String k2 = key + "ind-" + iname + "-";
if ((oldiname == null || !oldiname.equals(iname))) {
tTree.addRow(k2, iname, "+", color_index);
tTree.addRow(k2 + "u", "Unique: " + !nonunique);
oldiname = iname;
}
String c = ind.getString(9);
tTree.addRow(k2 + "c-" + c + "-", c);
}
ind.close();
}
tTree.addRow("p", "Properties", "+", 0);
tTree.addRow("pu", "User: "******"pr", "ReadOnly: " + cConn.isReadOnly());
tTree.addRow("pa", "AutoCommit: " + cConn.getAutoCommit());
tTree.addRow("pd", "Driver: " + dMeta.getDriverName());
tTree.addRow("pp", "Product: " + dMeta.getDatabaseProductName());
tTree.addRow("pv", "Version: " + dMeta.getDatabaseProductVersion());
} catch (SQLException e) {
tTree.addRow("", "Error getting metadata:", "-", 0);
tTree.addRow("-", e.getMessage());
tTree.addRow("-", e.getSQLState());
}
tTree.update();
}
public void init() throws ServletException {
super.init();
ARE.getLog()
.info(
"**********************************InitDataServlet Start*********************************");
try {
ARE.getLog()
.info(
"**============System Property Begin==============================================**");
Properties ps = System.getProperties();
Iterator ir = ps.keySet().iterator();
for (int i = 1; ir.hasNext(); i++) {
String sKey = (String) ir.next();
ARE.getLog().info("(" + i + ")" + sKey + " = [" + ps.getProperty(sKey) + "]");
}
ARE.getLog()
.info(
"**============System Property End=================================================**");
Transaction Sqlca = null;
try {
String sConfigFile = getInitParameter("ConfigFile");
if ((sConfigFile != null) && (!"".equals(sConfigFile))) {
ASConfigure.setXMLFile(sConfigFile);
ARE.getLog().info("ConfigFile = [" + sConfigFile + "]");
}
ASConfigure asc = ASConfigure.getASConfigure(getServletContext());
Sqlca = getSqlca(asc);
ARE.getLog()
.info(
"**============DataBase And JDBC Property Begin=====================================**");
DatabaseMetaData dbmd = Sqlca.conn.getMetaData();
ARE.getLog()
.info(
"DatabaseName["
+ dbmd.getDatabaseProductName()
+ "] Version["
+ dbmd.getDatabaseProductVersion()
+ "]");
ARE.getLog()
.info(
"Driver Name["
+ dbmd.getDriverName()
+ "] Version["
+ dbmd.getDriverVersion()
+ "]");
ARE.getLog()
.info(
"JDBC MajorVersion["
+ dbmd.getJDBCMajorVersion()
+ "] MinorVersion["
+ dbmd.getJDBCMinorVersion()
+ "]");
ARE.getLog().info("URL[" + dbmd.getURL() + "] UserName[" + dbmd.getUserName() + "]");
ARE.getLog()
.info(
"DatabaseState IsAutoCommit["
+ Sqlca.conn.getAutoCommit()
+ "] TransactionIsolation["
+ Sqlca.conn.getTransactionIsolation()
+ "]");
ARE.getLog()
.info(
"**============DataBase And JDBC Property End=======================================**");
ARE.getLog()
.info("Init Cache Data[ALL] .......... Starting" + StringFunction.getNow());
ASConfigure.getSysConfig("ASCodeSet", Sqlca);
ARE.getLog()
.info("Init Cache Data[SYSCONFIG_CODE] .......... Success!" + StringFunction.getNow());
ASConfigure.getSysConfig("ASCompSet", Sqlca);
ARE.getLog()
.info("Init Cache Data[SYSCONFIG_COMP] .......... Success!" + StringFunction.getNow());
ASConfigure.getSysConfig("ASFuncSet", Sqlca);
ARE.getLog()
.info("Init Cache Data[SYSCONFIG_FUNC] .......... Success!" + StringFunction.getNow());
ASConfigure.getSysConfig("ASRoleSet", Sqlca);
ARE.getLog()
.info("Init Cache Data[SYSCONFIG_ROLE] .......... Success!" + StringFunction.getNow());
ARE.getLog()
.info("Init Cache Data[ALL] .......... Success!" + StringFunction.getNow());
} catch (Exception e) {
ARE.getLog().info("InitDataServerlet :error", e);
e.printStackTrace();
throw new RuntimeException("构造系统配置时出错：" + e);
} finally {
try {
if (Sqlca != null) {
Sqlca.conn.commit();
Sqlca.disConnect();
Sqlca = null;
}
} catch (Exception e1) {
}
}
} catch (Exception e) {
ARE.getLog().info("InitDataServerlet :error", e);
e.printStackTrace();
}
ARE.getLog()
.info(
"**********************************InitDataServlet Success*********************************");
ARE.getLog().info("");
}
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 String getUserName() throws SQLException {
return throwExceptionDelegate.getUserName();
}
