FirstTry Class Reference

Collaboration diagram for FirstTry:

Static Public Member Functions
static void	main (String[] args)

Static Package Attributes
static final Logger	logger = LoggerFactory.getLogger(FirstTry.class)
static final String	JDBC_DRIVER = "com.omnisci.jdbc.OmniSciDriver"
static final String	DB_URL = "jdbc:omnisci:localhost:6273:omnisci:http"
static final String	USER = "admin"
static final String	PASS = "HyperInteractive"

Detailed Description

Definition at line 25 of file FirstTry.java.

Member Function Documentation

static void FirstTry.main ( String[]  args )

inlinestatic

Definition at line 36 of file FirstTry.java.

References DB_URL, JDBC_DRIVER, PASS, Experimental.String, and USER.

                                         {
    Connection conn = null;
    Statement stmt = null;
    try {
      // STEP 2: Register JDBC driver
      Class.forName(JDBC_DRIVER);

      // STEP 3: Open a connection
      logger.info("Connecting to database...");
      conn = DriverManager.getConnection(DB_URL, USER, PASS);

      String sql;

      // logger.info("Doing prepared statement");
      //
      PreparedStatement ps = null;
      ResultSet rs = null;
      // sql = "INSERT INTO alltypes (b1, s1, i1, b2, f1, d1, c1, v1, t1, t2, t3, d2)
      // VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"; ps =
      // conn.prepareStatement(sql);
      //
      // ps.setBoolean(1, true);
      // ps.setShort(2, (short)1);
      // ps.setInt(3, 20);
      // ps.setInt(4, 400);
      // ps.setFloat(5, (float)4000.04);
      // ps.setBigDecimal(6, new BigDecimal(12.2));
      // ps.setString(7, "String1");
      // ps.setString(8, "String2");
      // ps.setString(9, "String3");
      // ps.setTime(10, new Time(0));
      // ps.setTimestamp(11, new Timestamp(0));
      // ps.setDate(12, new Date(0));
      //

      // ResultSet rs = ps.executeQuery();

      // STEP 4: Execute a query
      logger.info("Creating statement...");
      stmt = conn.createStatement();

      sql = "SELECT uniquecarrier from flights_2008_7M limit 5";
      rs = stmt.executeQuery(sql);

      // STEP 5: Extract data from result set
      while (rs.next()) {
        // Retrieve by column name
        // int id = rs.getInt("id");
        // int age = rs.getInt("age");
        String uniquecarrier = rs.getString("uniquecarrier");
        // String last = rs.getString("last");

        // Display values
        logger.info("uniquecarrier: " + uniquecarrier);
        // logger.info(", Age: " + age);
        // logger.info(", First: " + first);
        // logger.info(", Last: " + last);
      }
      logger.info("Doing prepared statement");

      ps = null;
      sql = "SELECT uniquecarrier from flights limit 5";
      ps = conn.prepareStatement(sql);

      rs = ps.executeQuery();

      // STEP 5: Extract data from result set
      while (rs.next()) {
        // Retrieve by column name
        // int id = rs.getInt("id");
        // int age = rs.getInt("age");
        String uniquecarrier = rs.getString("uniquecarrier");
        // String last = rs.getString("last");

        // Display values
        logger.info("PS uniquecarrier: " + uniquecarrier);
        // logger.info(", Age: " + age);
        // logger.info(", First: " + first);
        // logger.info(", Last: " + last);
      }

      DatabaseMetaData dbmeta = conn.getMetaData();

      rs = dbmeta.getSchemas();
      while (rs.next()) {
        String schema = rs.getString("TABLE_SCHEM");
        logger.info("TABLE_SCHEM: " + schema);
      }

      rs = dbmeta.getTableTypes();
      while (rs.next()) {
        String schema = rs.getString(1);
        logger.info("TYPE: " + schema);
      }

      // STEP 6: Clean-up environment
      rs.close();
      stmt.close();
      conn.close();
    } catch (SQLException se) {
      // Handle errors for JDBC
      se.printStackTrace();
    } catch (Exception e) {
      // Handle errors for Class.forName
      e.printStackTrace();
    } finally {
      // finally block used to close resources
      try {
        if (stmt != null) {
          stmt.close();
        }
      } catch (SQLException se2) {
      } // nothing we can do
      try {
        if (conn != null) {
          conn.close();
        }
      } catch (SQLException se) {
        se.printStackTrace();
      } // end finally try
    } // end try
    logger.info("Goodbye!");
  } // end main

Member Data Documentation

final String FirstTry.DB_URL = "jdbc:omnisci:localhost:6273:omnisci:http"

staticpackage

Definition at line 30 of file FirstTry.java.

Referenced by main().

final String FirstTry.JDBC_DRIVER = "com.omnisci.jdbc.OmniSciDriver"

staticpackage

Definition at line 29 of file FirstTry.java.

Referenced by main().

final Logger FirstTry.logger = LoggerFactory.getLogger(FirstTry.class)

staticpackage

Definition at line 26 of file FirstTry.java.

final String FirstTry.PASS = "HyperInteractive"

staticpackage

Definition at line 34 of file FirstTry.java.

Referenced by main().

final String FirstTry.USER = "admin"

staticpackage

Definition at line 33 of file FirstTry.java.

Referenced by main().

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The documentation for this class was generated from the following file:

• /home/jenkins-slave/workspace/core-os-doxygen/java/omniscijdbc/src/test/java/FirstTry.java