List of usage examples for java.sql DatabaseMetaData getTables
ResultSet getTables(String catalog, String schemaPattern, String tableNamePattern, String types[])
throws SQLException;
From source file:com.netflix.metacat.connector.jdbc.services.JdbcConnectorTableService.java
@Override public boolean exists(@Nonnull final ConnectorRequestContext context, @Nonnull final QualifiedName name) { boolean result = false; try (Connection connection = this.dataSource.getConnection()) { final String databaseName = name.getDatabaseName(); connection.setSchema(databaseName); final DatabaseMetaData metaData = connection.getMetaData(); final ResultSet rs = metaData.getTables(databaseName, databaseName, name.getTableName(), TABLE_TYPE); if (rs.next()) { result = true;//from w ww. ja v a2 s .c o m } } catch (final SQLException se) { throw this.exceptionMapper.toConnectorException(se, name); } return result; }
From source file:com.emr.schemas.SchemerMapper.java
/** * Method for getting the database's tables and populating the List with the same. */// ww w .j a v a2s .co m public final void getDatabaseMetaData() { try { DatabaseMetaData dbmd = emrConn.getMetaData(); String[] types = { "TABLE" }; ResultSet rs = dbmd.getTables(null, null, "%", types); while (rs.next()) { //Add table name to Jlist listModel.addElement(rs.getString("TABLE_NAME")); } } catch (SQLException e) { String stacktrace = org.apache.commons.lang3.exception.ExceptionUtils.getStackTrace(e); JOptionPane.showMessageDialog(this, "Could not fetch Tables for the KenyaEMR Database. Error Details: " + stacktrace, "Table Names Error", JOptionPane.ERROR_MESSAGE); } }
From source file:org.talend.components.snowflake.runtime.SnowflakeSourceOrSink.java
protected List<NamedThing> getSchemaNames(RuntimeContainer container, Connection connection) throws IOException { // Returns the list with a table names (for the wh, db and schema) List<NamedThing> returnList = new ArrayList<>(); SnowflakeConnectionProperties connProps = getEffectiveConnectionProperties(container); try {/*from w w w . ja v a 2 s .c om*/ DatabaseMetaData metaData = connection.getMetaData(); // Fetch all tables in the db and schema provided String[] types = { "TABLE" }; ResultSet resultIter = metaData.getTables(getCatalog(connProps), getDbSchema(connProps), null, types); String tableName = null; while (resultIter.next()) { tableName = resultIter.getString("TABLE_NAME"); returnList.add(new SimpleNamedThing(tableName, tableName)); } } catch (SQLException se) { throw new IOException(i18nMessages.getMessage("error.searchingTable", getCatalog(connProps), getDbSchema(connProps), se.getMessage()), se); } return returnList; }
From source file:ViewDB.java
public ViewDBFrame() { setTitle("ViewDB"); setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT); tableNames = new JComboBox(); tableNames.addActionListener(new ActionListener() {// w ww . ja v a 2 s.c o m public void actionPerformed(ActionEvent event) { showTable((String) tableNames.getSelectedItem()); } }); add(tableNames, BorderLayout.NORTH); try { readDatabaseProperties(); Connection conn = getConnection(); try { DatabaseMetaData meta = conn.getMetaData(); ResultSet mrs = meta.getTables(null, null, null, new String[] { "TABLE" }); while (mrs.next()) tableNames.addItem(mrs.getString(3)); } finally { conn.close(); } } catch (SQLException e) { JOptionPane.showMessageDialog(this, e); } catch (IOException e) { JOptionPane.showMessageDialog(this, e); } JPanel buttonPanel = new JPanel(); add(buttonPanel, BorderLayout.SOUTH); previousButton = new JButton("Previous"); previousButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { showPreviousRow(); } }); buttonPanel.add(previousButton); nextButton = new JButton("Next"); nextButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { showNextRow(); } }); buttonPanel.add(nextButton); deleteButton = new JButton("Delete"); deleteButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { deleteRow(); } }); buttonPanel.add(deleteButton); saveButton = new JButton("Save"); saveButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { saveChanges(); } }); buttonPanel.add(saveButton); }
From source file:org.apache.hadoop.sqoop.manager.SqlManager.java
@Override public String[] listTables() { ResultSet results = null;/*from w w w . j a va 2 s . c om*/ String[] tableTypes = { "TABLE" }; try { DatabaseMetaData metaData = this.getConnection().getMetaData(); results = metaData.getTables(null, null, null, tableTypes); } catch (SQLException sqlException) { LOG.error("Error reading database metadata: " + sqlException.toString()); return null; } if (null == results) { return null; } try { ArrayList<String> tables = new ArrayList<String>(); while (results.next()) { String tableName = results.getString("TABLE_NAME"); tables.add(tableName); } return tables.toArray(new String[0]); } catch (SQLException sqlException) { LOG.error("Error reading from database: " + sqlException.toString()); return null; } }
From source file:eu.optimis.sm.gui.server.ServiceManagerWebServiceImpl.java
private static void writeDB(String sess_id, String name, String pass) throws SQLException, ClassNotFoundException { try {//from ww w.j a va2 s.co m hsqlServer.start(); Connection connection = null; try { Class.forName("org.hsqldb.jdbcDriver"); connection = DriverManager.getConnection("jdbc:hsqldb:hsql://localhost/xdb", "sa", ""); DatabaseMetaData md = connection.getMetaData(); String[] types = { "TABLE", "VIEW" }; ResultSet rs = md.getTables(null, null, null, types); Boolean exist = false; if (rs.next()) { logger.info("rs.getString(3) = " + rs.getString(3)); if (rs.getString(3).equals(tableName.toUpperCase())) { logger.info("Table " + rs.getString(3) + " already exists!"); exist = true; } else logger.info("current table: " + rs.getString(3)); while (rs.next()) { logger.info("rs.getString(3) = " + rs.getString(3)); if (rs.getString(3).equals(tableName.toUpperCase())) { logger.info("Table " + rs.getString(3) + " already exists!"); exist = true; } else logger.info("current table: " + rs.getString(3)); } } if (!exist) { logger.info("creating table" + tableName); logger.info("Table " + tableName + " is created!"); connection.prepareStatement("create table " + tableName + " (id VARCHAR(255), " + "name VARCHAR(255), pass VARCHAR(255));").execute(); } logger.info("insert into " + tableName + "(id, name, pass) " + "values ('" + sess_id + "', '" + name + "', '" + pass + "');"); try { connection.prepareStatement("insert into " + tableName + "(id, name, pass) " + "values ('" + sess_id + "', '" + name + "', '" + pass + "');").execute(); logger.info("insert: success!"); } catch (Exception ex) { logger.info(ex); } } finally { if (connection != null) { connection.close(); } } } finally { if (hsqlServer != null) { hsqlServer.stop(); } } }
From source file:com.l2jfree.sql.L2DataSource.java
public final boolean tableExists(String tableName) { boolean tableExists = false; Connection con = null;/*from w w w . j ava 2s. com*/ try { con = getConnection(); DatabaseMetaData dmd = con.getMetaData(); final ResultSet rs = dmd.getTables(_database, _schema, tableName, BASE_TABLE); { tableExists = rs.next(); } rs.close(); } catch (SQLException e) { _log.warn("", e); return false; } finally { L2Database.close(con); } return tableExists; }
From source file:io.syndesis.filestore.impl.SqlFileStore.java
private boolean tableExists(Handle h, String tableName) { try {/* w w w .j a va 2 s. co m*/ String tableToCheck = tableName; boolean caseSensitive = this.databaseKind == DatabaseKind.PostgreSQL; if (!caseSensitive) { tableToCheck = tableName.toUpperCase(Locale.ROOT); } DatabaseMetaData metaData = h.getConnection().getMetaData(); try (ResultSet rs = metaData.getTables(null, null, tableToCheck, null)) { while (rs.next()) { String foundTable = rs.getString("TABLE_NAME"); if (tableToCheck.equalsIgnoreCase(foundTable)) { return true; } } } return false; } catch (SQLException ex) { throw FileStoreException.launderThrowable("Cannot check if the table " + tableName + " already exists", ex); } }
From source file:yelpproject.DatabaseConnection.java
private void dropTable() throws SQLException { Statement stmt = null;/*w w w .j a v a 2s .c o m*/ String sqlQuery = "drop table REVIEW"; try { connection = getDBConnection(); DatabaseMetaData dbm1 = connection.getMetaData(); ResultSet rs1 = dbm1.getTables(null, null, "REVIEW ", null); if (rs1.next()) { stmt = connection.createStatement(); stmt.executeUpdate(sqlQuery); System.out.println("Dropped!"); } else { System.out.println("Table does not exist"); } } catch (Exception e) { e.printStackTrace(); } finally { if (stmt != null) { stmt.close(); } } }
From source file:it.unibas.spicy.persistence.csv.ExportCSVInstances.java
public void exportCSVInstances(MappingTask mappingTask, String directoryPath, String suffix, int scenarioNo) throws DAOException, SQLException, IOException { IDataSourceProxy dataSourceTarget = mappingTask.getTargetProxy(); String folderPath = generateFolderPath(dataSourceTarget.getIntermediateSchema(), directoryPath, suffix, 0); //create CSV Folder new File(folderPath).mkdir(); //connection to Postgres IConnectionFactory connectionFactory = new SimpleDbConnectionFactory(); Connection connection = getConnectionToPostgres(connectionFactory); try {/*from w w w . j a v a2 s. co m*/ Statement statement = connection.createStatement(); //get table names from target database DatabaseMetaData databaseMetaData = connection.getMetaData(); String[] tableTypes = new String[] { "TABLE" }; ResultSet tableResultSet = databaseMetaData.getTables(SpicyEngineConstants.MAPPING_TASK_DB_NAME, SpicyEngineConstants.TARGET_SCHEMA_NAME + scenarioNo, null, tableTypes); while (tableResultSet.next()) { String tableName = tableResultSet.getString("TABLE_NAME"); createCSVDocument(tableName, SpicyEngineConstants.TARGET_SCHEMA_NAME + scenarioNo, dataSourceTarget, folderPath, statement, null); } } finally { //close connection if (connection != null) connectionFactory.close(connection); } }