Examples of DatabaseMetaData

java.sql.DatabaseMetaData
An interface which provides comprehensive information about the database.
This interface is implemented by JDBC driver writers in order to provide information about the underlying Database capabilities and the JDBC driver capabilities taken together.
Some of the methods in this interface take String parameters which are Patterns. Within these string Patterns, '%' and '_' characters have special meanings. '%' means "match any substring of 0 or more characters". '_' means "match any one character". Only metadata entries that match the pattern are returned. If such a search pattern string is set to null, that argument's criteria are dropped from the search.
net.sf.hibernate.tool.hbm2ddl.DatabaseMetadata
org.beangle.db.meta.DatabaseMetadata
JDBC database metadata @author chaostone
org.datanucleus.store.rdbms.jdbc.DatabaseMetaData
This class is used to emulate a jdbc driver
org.hibernate.tool.hbm2ddl.DatabaseMetadata
JDBC database metadata @author Christoph Sturm, Teodor Danciu
org.openntf.domino.helpers.DatabaseMetaData
This class is mainly used in the DbDirectory to hold database metadata, without to reference the Database-object itself. @author Roland Praml, FOCONIS AG
org.torquebox.core.datasource.DatabaseMetaData

Examples of java.sql.DatabaseMetaData

   public void dumpMetaData() {
      Connection conn = null;
      try {
         if (this.isShutdown) connect(false, false);
         conn = getConnection();
         DatabaseMetaData metaData = conn.getMetaData();


         log.info("--------------- DUMP OF METADATA FOR THE DB START---------------------");
         String driverName = metaData.getDriverName();
         String productName = metaData.getDatabaseProductName();
         log.info("Driver name          :'" + driverName +"', product name: '" + productName + "'");
         log.info("max binary length    : " + metaData.getMaxBinaryLiteralLength());
         log.info("max char lit. length : " + metaData.getMaxCharLiteralLength());
         log.info("max column length    : " + metaData.getMaxColumnNameLength());
         log.info("max cols. in table   : " + metaData.getMaxColumnsInTable());
         log.info("max connections      : " + metaData.getMaxConnections());
         log.info("max statement length : " + metaData.getMaxStatementLength());
         log.info("max nr. of statements: " + metaData.getMaxStatements());
         log.info("max tablename length : " + metaData.getMaxTableNameLength());
         log.info("url                  : " + metaData.getURL());
         log.info("support for trans.   : " + metaData.supportsTransactions());
         log.info("support transactions : " + getIsolationLevel(conn));
         log.info("--------------- DUMP OF METADATA FOR THE DB END  ---------------------");


      }
      catch (XmlBlasterException ex) {

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Examples of java.sql.DatabaseMetaData

      if (pool == null)
         throw new Exception("DbMetaHelper constructor: the pool is null");
      Connection conn = null;
      try {
         conn = pool.reserve();
         DatabaseMetaData meta = conn.getMetaData();
         
         this.maxProcLength = meta.getMaxProcedureNameLength();
         
         if (meta.storesLowerCaseIdentifiers())
            this.caseSense = CASE_LOWER;
         else if (meta.storesUpperCaseIdentifiers())
            this.caseSense = CASE_UPPER;
         else if (meta.storesMixedCaseIdentifiers())
            this.caseSense = CASE_MIXED;
         else
            throw new Exception("DbMetaHelper constructor: can not determine which case the identifiers are stored");
         String tmp = meta.getDatabaseProductName();
         if (tmp != null)
            this.productName = tmp.trim().toUpperCase();
         else
            this.productName = "";
      }

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Examples of java.sql.DatabaseMetaData

      Connection conn = null;
      ResultSet rs = null;
      int count = 0;
      try {
         conn = pool.reserve();
         DatabaseMetaData meta = conn.getMetaData();
         if (catalog != null)
            catalog = getIdentifier(catalog.trim());
         if (schema != null)
            schema = getIdentifier(schema.trim());
         if (table != null)
            table = getIdentifier(table.trim());
         TreeMap map = new TreeMap();
         rs = meta.getColumns(catalog, schema, table, null);
         while (rs.next()) {
            int pos = rs.getInt("ORDINAL_POSITION");
            String name = rs.getString("COLUMN_NAME");
            // should already be in the correct order according to 
            // javadoc but to be really sure we order it too

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Examples of java.sql.DatabaseMetaData

      Connection conn = null;
      boolean success = true;
      try {
         conn = pool.reserve();
         conn.setAutoCommit(true);
         DatabaseMetaData dbmd = conn.getMetaData();
         maxStatementLength = dbmd.getMaxStatementLength();
         if (maxStatementLength < 1) {
            maxStatementLength = info.getInt("queue.persistent.maxStatementLength", 2048);
            if (first) {
               log.info("The maximum SQL statement length is not defined in JDBC meta data, we set it to " + this.maxStatementLength);
               first = false;
            }
         }


         if (!dbmd.supportsTransactions()) {
            String dbName = dbmd.getDatabaseProductName();
            log.severe("the database '" + dbName + "' does not support transactions, unpredicted results may happen");
         }


         if (!dbmd.supportsBatchUpdates()) {
            String dbName = dbmd.getDatabaseProductName();
            supportsBatch = false;
            log.fine("the database '" + dbName + "' does not support batch mode. No problem I will work whitout it");
         }
         
         // zero means not limit (to be sure we also check negative Values
         boolean logWarn = false;
         int defaultMaxNumStatements = dbmd.getMaxStatements();
         if (defaultMaxNumStatements < 1) {
            defaultMaxNumStatements = 50;
            logWarn = true;
         }
         // -queue.persistent.maxNumStatements 50
         maxNumStatements = info.getInt("maxNumStatements", defaultMaxNumStatements);
         log.info("The maximum Number of statements for this database instance are '" + this.maxNumStatements + "'");
         if (logWarn && info.getInt("maxNumStatements",-1)==-1)
            log.warning("The maxStatements returned fromt the database metadata is '0', will set the default to 50 unless you explicitly set '-maxNumStatements <num>'");


         // -queue.persistent.maxSelectLimit -1 (off)
         maxSelectLimit = info.getInt("maxSelectLimit", -1);
         if (this.maxSelectLimit > 0)
            log.info("The maximum results returned by a select is set to '" + maxSelectLimit + "' (MSSQLerver only)");


         timeout = (int)(info.getLong("queue.persistent.queryTimeout", 0L) / 1000L);
         dbAdmin = info.getBoolean("dbAdmin", true);
         
         // the property settings specific to this plugin type / version
         
         String prefix = "queue.jdbc";
         storeFactory = new XBStoreFactory(prefix);
         meatFactory = new XBMeatFactory(prefix);
         refFactory = new XBRefFactory(prefix);
         storeFactory.init(info);
         meatFactory.init(info);
         refFactory.init(info);
         storeFactory.create(conn);
         meatFactory.create(conn);
         refFactory.create(conn);
         isConnected = true;
         log.info("Using DB " + dbmd.getDatabaseProductName() + " " + dbmd.getDatabaseProductVersion() + " " + dbmd.getDriverName());
      }
      catch (XmlBlasterException ex) {
         success = false;
         throw ex;
      }

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Examples of java.sql.DatabaseMetaData

   public void dumpMetaData() {
      Connection conn = null;
      boolean success = false;
      try {
         conn = pool.reserve();
         DatabaseMetaData metaData = conn.getMetaData();


         log.info("--------------- DUMP OF METADATA FOR THE DB START---------------------");
         String driverName = metaData.getDriverName();
         String productName = metaData.getDatabaseProductName();
         log.info("Driver name          :'" + driverName +"', product name: '" + productName + "'");
         log.info("max binary length    : " + metaData.getMaxBinaryLiteralLength());
         log.info("max char lit. length : " + metaData.getMaxCharLiteralLength());
         log.info("max column length    : " + metaData.getMaxColumnNameLength());
         log.info("max cols. in table   : " + metaData.getMaxColumnsInTable());
         log.info("max connections      : " + metaData.getMaxConnections());
         log.info("max statement length : " + metaData.getMaxStatementLength());
         log.info("max nr. of statements: " + metaData.getMaxStatements());
         log.info("max tablename length : " + metaData.getMaxTableNameLength());
         log.info("url                  : " + metaData.getURL());
         log.info("support for trans.   : " + metaData.supportsTransactions());
         log.info("support transactions : " + getIsolationLevel(conn));
         log.info("--------------- DUMP OF METADATA FOR THE DB END  ---------------------");
         success = true;
      }
      catch (Exception ex) {

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Examples of java.sql.DatabaseMetaData

        Connection connection,
        CorePackage corePackage,
        org.omg.uml.modelmanagement.UmlPackage modelPackage)
        throws SQLException
    {
        DatabaseMetaData metadata = connection.getMetaData();
        ResultSet tableRs = metadata.getTables(
                null,
                this.schema,
                null,
                new String[] {"TABLE"});

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Examples of java.sql.DatabaseMetaData

   */
  public String getPath(Connection oConn) throws SQLException {
    Statement oStmt;
    ResultSet oRSet;
    CallableStatement oCall;
    DatabaseMetaData oMDat;
    String sPath;
    String sDBMS;


    if (DebugFile.trace) {
      DebugFile.writeln("Begin Category.getPath([Connection])" );

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Examples of java.sql.DatabaseMetaData

    throws ClassNotFoundException, SQLException, NullPointerException,
           AccessControlException,UnsatisfiedLinkError,NumberFormatException {


    int i;
    Connection oConn;
    DatabaseMetaData oMData;
    Statement oAcct = null;
    ResultSet oRSet;
    String TableTypes[] = new String[1];
    DBTable oTable;
    String sCatalog;
    String sSchema;
    String sTableName;
    Iterator oTableIterator;
    String[] aExclude;


    oTableMap = new HashMap<String,DBTable>(255);
    oGlobalTableMap = oTableMap ;


    if (DebugFile.trace)
      {
      DebugFile.writeln("hipergate package build " + DBBind.VERSION);
      DebugFile.envinfo();


      DebugFile.writeln("Begin DBBind.initialize("+sProfile+")");
      DebugFile.incIdent();
      }


      sProfileName = sProfile;


      // ****************
      // Load JDBC driver
      loadDriver(oProfEnvProps);


      if (DebugFile.trace) DebugFile.writeln("Load Driver " + oProfEnvProps.getProperty("driver") + " : OK\n" );


      if (DebugFile.trace) DebugFile.writeln("Trying to connect to " + oProfEnvProps.getProperty("dburl") + " with user " + oProfEnvProps.getProperty("dbuser"));


      // **********************************************************
      // Get database connection parameters from file hipergate.cnf


      // New for v2.2 *
      try {
        DriverManager.setLoginTimeout(Integer.parseInt(oProfEnvProps.getProperty("logintimeout", "20")));
      } catch (Exception x) {
        if (DebugFile.trace) DebugFile.writeln("DriverManager.setLoginTimeout() "+x.getClass().getName()+" "+x.getMessage());
      }
      // **************


      try {
        oConn = DriverManager.getConnection(oProfEnvProps.getProperty("dburl"),
                                            oProfEnvProps.getProperty("dbuser"),
                                            oProfEnvProps.getProperty("dbpassword"));
      }
      catch (SQLException e) {
        if (DebugFile.trace) DebugFile.writeln("DriverManager.getConnection("+oProfEnvProps.getProperty("dburl")+","+oProfEnvProps.getProperty("dbuser")+", ...) SQLException [" + e.getSQLState() + "]:" + String.valueOf(e.getErrorCode()) + " " + e.getMessage());
        oConnectXcpt = new SQLException("DriverManager.getConnection("+oProfEnvProps.getProperty("dburl")+","+oProfEnvProps.getProperty("dbuser")+", ...) "+e.getMessage(), e.getSQLState(), e.getErrorCode());
        throw (SQLException) oConnectXcpt;
      }


      if (DebugFile.trace) {
        DebugFile.writeln("Database Connection to " + oProfEnvProps.getProperty("dburl") + " : OK\n" );
        DebugFile.writeln("Calling Connection.getMetaData()");
      }


      oMData = oConn.getMetaData();


      if (DebugFile.trace) DebugFile.writeln("Calling DatabaseMetaData.getDatabaseProductName()");


      sDatabaseProductName = oMData.getDatabaseProductName();


      if (DebugFile.trace) {
        DebugFile.writeln("Database is \"" + sDatabaseProductName + "\"");
        DebugFile.writeln("Product version " + oMData.getDatabaseProductVersion());
        DebugFile.writeln(oMData.getDriverName() + " " + oMData.getDriverVersion());
        DebugFile.writeln("Max connections " + String.valueOf(oMData.getMaxConnections()));
        DebugFile.writeln("Max statements " + String.valueOf(oMData.getMaxStatements()));
      }


      if (sDatabaseProductName.equals(DBMSNAME_POSTGRESQL))
        iDatabaseProductId = DBMS_POSTGRESQL;
      else if (sDatabaseProductName.equals(DBMSNAME_MSSQL))
        iDatabaseProductId = DBMS_MSSQL;
      else if (sDatabaseProductName.equals(DBMSNAME_ORACLE))
        iDatabaseProductId = DBMS_ORACLE;
      else if (sDatabaseProductName.equals(DBMSNAME_MYSQL))
        iDatabaseProductId = DBMS_MYSQL;
      else if (sDatabaseProductName.equals(DBMSNAME_ACCESS))
        iDatabaseProductId = DBMS_ACCESS;
      else if (sDatabaseProductName.equals(DBMSNAME_SQLITE))
        iDatabaseProductId = DBMS_SQLITE;
      else if (sDatabaseProductName.equals("StelsDBF JDBC driver") ||
               sDatabaseProductName.equals("HXTT DBF"))
        iDatabaseProductId = DBMS_XBASE;
      else
        iDatabaseProductId = DBMS_GENERIC;


      Functions.setForDBMS(sDatabaseProductName);


      // **********************
      // Cache database catalog


      sCatalog = oConn.getCatalog();


      if (DebugFile.trace) DebugFile.writeln("Catalog is \"" + sCatalog + "\"");


      if (DebugFile.trace) DebugFile.writeln("Gather metadata : OK" );


      sSchema = oProfEnvProps.getProperty("schema", "");


      if (DebugFile.trace) DebugFile.writeln("Schema is \"" + sSchema + "\"");


      i = 0;


      TableTypes[0] = "TABLE";


      if (DBMS_ORACLE==iDatabaseProductId) {
        aExclude = new String[]{ "AUDIT_ACTIONS", "STMT_AUDIT_OPTION_MAP", "DUAL",
        "PSTUBTBL", "USER_CS_SRS", "USER_TRANSFORM_MAP", "CS_SRS", "HELP",
        "SDO_ANGLE_UNITS", "SDO_AREA_UNITS", "SDO_DIST_UNITS", "SDO_DATUMS",
        "SDO_CMT_CBK_DML_TABLE", "SDO_CMT_CBK_FN_TABLE", "SDO_CMT_CBK_DML_TABLE",
        "SDO_PROJECTIONS", "SDO_ELLIPSOIDS", "SDO_GEOR_XMLSCHEMA_TABLE",
        "SDO_GR_MOSAIC_0", "SDO_GR_MOSAIC_1", "SDO_GR_MOSAIC_2", "SDO_GR_MOSAIC_3",
        "SDO_TOPO_RELATION_DATA", "SDO_TOPO_TRANSACT_DATA", "SDO_TXN_IDX_DELETES",
        "DO_TXN_IDX_EXP_UPD_RGN", "SDO_TXN_IDX_INSERTS", "SDO_CS_SRS", "IMPDP_STATS",
        "OLAP_SESSION_CUBES", "OLAP_SESSION_DIMS", "OLAPI_HISTORY",
        "OLAPI_IFACE_OBJECT_HISTORY", "OLAPI_IFACE_OP_HISTORY", "OLAPI_MEMORY_HEAP_HISTORY",
        "OLAPI_MEMORY_OP_HISTORY", "OLAPI_SESSION_HISTORY", "OLAPTABLEVELS","OLAPTABLEVELTUPLES",
        "OLAP_OLEDB_FUNCTIONS_PVT", "OLAP_OLEDB_KEYWORDS", "OLAP_OLEDB_MDPROPS","OLAP_OLEDB_MDPROPVALS",
        "OGIS_SPATIAL_REFERENCE_SYSTEMS", "SYSTEM_PRIVILEGE_MAP", "TABLE_PRIVILEGE_MAP" };


        if (DebugFile.trace) {
          ResultSet oSchemas = null;
          try {
            int iSchemaCount = 0;
            oSchemas = oMData.getSchemas();
            while (oSchemas.next()) {
              DebugFile.writeln("schema name = " + oSchemas.getString(1));
              iSchemaCount++;
            }
            oSchemas.close();
            oSchemas = null;
            if (0==iSchemaCount) DebugFile.writeln("no schemas found");
          }
          catch (Exception sqle) {
            try { if (null!=oSchemas) oSchemas.close();} catch (Exception ignore) {}
            DebugFile.writeln("SQLException at DatabaseMetaData.getSchemas() " + sqle.getMessage());
          }
          DebugFile.writeln("DatabaseMetaData.getTables(" + sCatalog + ", null, %, {TABLE})");
        }


        oRSet = oMData.getTables(sCatalog, null, "%", TableTypes);


        while (oRSet.next()) {


          if (oRSet.getString(3).indexOf('$')<0 && !in(oRSet.getString(3).toUpperCase(), aExclude)) {
            oTable = new DBTable(sCatalog, sSchema, oRSet.getString(3), ++i);


            sTableName = oTable.getName().toLowerCase();


            if (oTableMap.containsKey(sTableName))
              oTableMap.remove(sTableName);


            oTableMap.put(sTableName, oTable);


            if (DebugFile.trace)
              DebugFile.writeln("Reading table " + oTable.getName());
          }
          else if (DebugFile.trace)
            DebugFile.writeln("Skipping table " + oRSet.getString(3));
       } // wend


      }
      else  {
        if (DBMS_POSTGRESQL==iDatabaseProductId)
          aExclude = new String[]{ "sql_languages", "sql_features",
                                   "sql_implementation_info", "sql_packages",
                                   "sql_sizing", "sql_sizing_profiles",
                                   "pg_ts_cfg", "pg_logdir_ls",
                                   "pg_ts_cfgmap", "pg_ts_dict", "pg_ts_parses",
                                   "pg_ts_parser", "pg_reload_conf" };
        else if (DBMS_MSSQL==iDatabaseProductId)
          aExclude = new String[]{ "syscolumns", "syscomments", "sysdepends",
                                   "sysfilegroups", "sysfiles" , "sysfiles1",
                                   "sysforeignkeys", "sysfulltextcatalogs",
                                   "sysfulltextnotify", "sysindexes",
                                   "sysindexkeys", "sysmembers", "sysobjects",
                                   "syspermissions", "sysproperties",
                                   "sysprotects", "sysreferences", "systypes",
                                   "sysusers" };
        else
          aExclude = null;


        if (DebugFile.trace)
          DebugFile.writeln("DatabaseMetaData.getTables(" + sCatalog + ", " + sSchema + ", %, {TABLE})");


    if ((DBMS_ACCESS==iDatabaseProductId)) {
      oAcct = oConn.createStatement();
      oRSet = oAcct.executeQuery("SELECT NULL,NULL,Name FROM MSysObjects WHERE Type=1 AND Flags<>-2147483648");
    } else {
          oRSet = oMData.getTables(sCatalog, sSchema, "%", TableTypes);
    }


        // For each table, keep its name in a memory map


        if (sSchema.length()>0) {

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Examples of java.sql.DatabaseMetaData


    if (null==oJDBCConn) throw new NullPointerException("Connection parameter may not be null");


    oConn = oJDBCConn;


    DatabaseMetaData oMDat = oConn.getMetaData();
    String sDatabaseProductName = oMDat.getDatabaseProductName();


    if (sDatabaseProductName.equals("Microsoft SQL Server")) {
      sDbms = "mssql";
      iDbms = DBMS_MSSQL;
    }
    else if (sDatabaseProductName.equals("PostgreSQL")) {
      sDbms = "postgresql";
      iDbms = DBMS_POSTGRESQL;
    }
    else if (sDatabaseProductName.equals("Oracle")) {
      sDbms = "oracle";
      iDbms = DBMS_ORACLE;
    }
    else if (sDatabaseProductName.startsWith("DB2")) {
      sDbms = "db2";
      iDbms = DBMS_DB2;
    }
    else if (sDatabaseProductName.startsWith("MySQL")) {
      sDbms = "mysql";
      iDbms = DBMS_MYSQL;
    }
    else {
      sDbms = oMDat.getDatabaseProductName().toLowerCase();
      iDbms = 0;
    }
    oMDat = null;


    if (0==iDbms) {

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Examples of java.sql.DatabaseMetaData

    }
    else {
      con = ds.getConnection(user, password);
    }
    try {
      DatabaseMetaData metaData = con.getMetaData();
      RdbmsConnectionFactory factory = newFactory(metaData);
      factory.setSail(this);
      if (user == null || url.startsWith("jdbc:")) {
        factory.setDataSource(ds);
      }

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