Examples of java.sql.Connection.unwrap()

java.sql.Connection.unwrap()

    
    @Test
    public void testManualSplit() throws Exception {
        initTable();
        Connection conn = DriverManager.getConnection(getUrl());
        ConnectionQueryServices services = conn.unwrap(PhoenixConnection.class).getQueryServices();
        int nRegions = services.getAllTableRegions(TABLE_NAME_BYTES).size();
        int nInitialRegions = nRegions;
        HBaseAdmin admin = services.getAdmin();
        try {
            admin.split(TABLE_NAME);

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        Connection conn = DriverManager.getConnection(getUrl(), props);


        HBaseAdmin admin = null;
        try {
            initTableValues(tenantId, getSplits(tenantId), ts);
            admin = conn.unwrap(PhoenixConnection.class).getQueryServices().getAdmin();
            admin.flush(SchemaUtil.getTableNameAsBytes(PRODUCT_METRICS_SCHEMA_NAME,PRODUCT_METRICS_NAME));
            String query = "SELECT SUM(TRANSACTIONS) FROM " + PRODUCT_METRICS_NAME + " WHERE FEATURE=?";
            PreparedStatement statement = conn.prepareStatement(query);
            statement.setString(1, F1);
            ResultSet rs = statement.executeQuery();

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        try {
                conn.createStatement().execute(ddl);
              
                conn.createStatement().execute("ALTER TABLE TEST_TABLE ADD col2 integer IN_MEMORY=true");
                
                HTableInterface htable1 = conn.unwrap(PhoenixConnection.class).getQueryServices().getTable(Bytes.toBytes("TEST_TABLE")); 
                HTableDescriptor htableDesciptor1 = htable1.getTableDescriptor();
                HColumnDescriptor hcolumnDescriptor1 = htableDesciptor1.getFamily(QueryConstants.DEFAULT_COLUMN_FAMILY_BYTES);
                assertNotNull(hcolumnDescriptor1);
               
                try {

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            assertEquals(E_VALUE, rs.getString(2));
           assertEquals(1, rs.getLong(3));
            assertFalse(rs.next());
            
            byte[] tableName = Bytes.toBytes(ATABLE_NAME);
            admin = conn.unwrap(PhoenixConnection.class).getQueryServices().getAdmin();
            HTable htable = (HTable) conn.unwrap(PhoenixConnection.class).getQueryServices().getTable(tableName);
            htable.clearRegionCache();
            int nRegions = htable.getRegionLocations().size();
            admin.split(tableName, ByteUtil.concat(Bytes.toBytes(tenantId), Bytes.toBytes("00A" + Character.valueOf((char) ('3' + nextRunCount())) + ts))); // vary split point with test run
            int retryCount = 0;

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           assertEquals(1, rs.getLong(3));
            assertFalse(rs.next());
            
            byte[] tableName = Bytes.toBytes(ATABLE_NAME);
            admin = conn.unwrap(PhoenixConnection.class).getQueryServices().getAdmin();
            HTable htable = (HTable) conn.unwrap(PhoenixConnection.class).getQueryServices().getTable(tableName);
            htable.clearRegionCache();
            int nRegions = htable.getRegionLocations().size();
            admin.split(tableName, ByteUtil.concat(Bytes.toBytes(tenantId), Bytes.toBytes("00A" + Character.valueOf((char) ('3' + nextRunCount())) + ts))); // vary split point with test run
            int retryCount = 0;
            do {

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        long ts = nextTimestamp();
        createTestTable(getUrl(),DDL,splits, ts-2);
        String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB + "=" + ts;
        Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
        Connection conn = DriverManager.getConnection(url, props);
        PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class);
        TableRef tableRef = new TableRef(null,pconn.getMetaDataCache().getTable(new PTableKey(pconn.getTenantId(), TABLE_NAME)),ts, false);
        List<HRegionLocation> regions = pconn.getQueryServices().getAllTableRegions(tableRef.getTable().getPhysicalName().getBytes());
        
        conn.close();
        initTableValues();

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        try {
            conn.setAutoCommit(true);
            conn.createStatement().execute("DELETE FROM " + DATA_TABLE_FULL_NAME);
            conn.createStatement().execute("ALTER TABLE " + DATA_TABLE_FULL_NAME + " SET IMMUTABLE_ROWS=true");
            conn.createStatement().executeQuery("SELECT COUNT(*) FROM " + DATA_TABLE_FULL_NAME).next();
            PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class);
            assertTrue(pconn.getMetaDataCache().getTable(new PTableKey(pconn.getTenantId(), DATA_TABLE_FULL_NAME)).isImmutableRows());
        } finally {
            conn.close();
        }
    }

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        assertTrue(conn5.prepareStatement(query).executeQuery().next());
        conn5.createStatement().executeUpdate("DROP TABLE " + ATABLE_NAME);
        
        // Confirm that data is no longer there because we dropped the table
        // This needs to be done natively b/c the metadata is gone
        HTableInterface htable = conn5.unwrap(PhoenixConnection.class).getQueryServices().getTable(SchemaUtil.getTableNameAsBytes(ATABLE_SCHEMA_NAME, ATABLE_NAME));
        Scan scan = new Scan();
        scan.setFilter(new FirstKeyOnlyFilter());
        scan.setTimeRange(0, ts+9);
        assertNull(htable.getScanner(scan).next());
        conn5.close();

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          //object for isWrapperFor and hence never get Connection
          //Error event
          assertFalse(aes12.didConnectionErrorEventHappen());
        aes12.resetState();          
        try {
            conn.unwrap(this.getClass());
        } catch (SQLException e) {
            if (usingEmbedded())
                assertSQLState("08003", e);
            else
              //We do not make any call on underneath JDBC Connection

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    try {
      final Connection conn =
        DriverManager.getConnection(
          olapServerInfo.URL, newProps );
      return conn.unwrap( OlapConnection.class );
    } catch ( SQLException e ) {
      throw new IOlapServiceException( e );
    }
  }

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