Examples of com.sleepycat.je.SecondaryDatabase.openSecondaryCursor()

Class com.sleepycat.je.SecondaryDatabase

Examples of com.sleepycat.je.SecondaryDatabase.openSecondaryCursor()

com.sleepycat.je.SecondaryDatabase.openSecondaryCursor()
Obtain a cursor on a database, returning a SecondaryCursor. Calling this method is the equivalent of calling {@link #openCursor} and casting the result to {@link SecondaryCursor}. @param txn the transaction used to protect all operations performed withthe cursor, or null if the operations should not be transaction protected. If the database is non-transactional, null must be specified. For a transactional database, the transaction is optional for read-only access and required for read-write access. @param cursorConfig The cursor attributes. If null, default attributesare used. @return A secondary database cursor. @throws EnvironmentFailureException if an unexpected, internal orenvironment-wide failure occurs. @deprecated As of JE 4.0.13, replaced by {@link SecondaryDatabase#openCursor}.

      Transaction tran = env.beginTransaction(null, null);
      DatabaseEntry key = new DatabaseEntry();
      DatabaseEntry pKey = new DatabaseEntry();
      DatabaseEntry data = new DatabaseEntry();
      try {
        SecondaryCursor cursor = db.openSecondaryCursor(tran, null);
        try {
          while (cursor.getNext(key, pKey, data, null) == OperationStatus.SUCCESS) {
            cursor.delete();
            dataBinding.entryToObject(data).remove();
          }

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          IMetaData o = keys[i];
          SecondaryDatabase db = dbKeys.get(o.getName());
          if (db == null) {
            return;
          }
          SecondaryCursor cursor = db.openSecondaryCursor(null, null);
          key.setData(o.getBytes());
          cursor.getSearchKey(key, data, null);
          cursors[i] = cursor;
        }
        JoinCursor joinCursor = dbMain.join(cursors, null);

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      Transaction tran = env.beginTransaction(null, null);
      DatabaseEntry key = new DatabaseEntry(data.getBytes());
      DatabaseEntry pKey = new DatabaseEntry();
      DatabaseEntry pData = new DatabaseEntry();
      try {
        SecondaryCursor cursor = db.openSecondaryCursor(tran, null);
        try {
          OperationStatus ret = cursor.getSearchKey(key, pKey, pData, null);
          while (ret == OperationStatus.SUCCESS) {
            cursor.delete();
            dataBinding.entryToObject(pData).remove();

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        Cursor priCursor = null;
        SecondaryCursor secCursor = null;
        try {
            priCursor = priDb.openCursor(txn, null);
            secCursor = secDb.openSecondaryCursor(txn, null);


            /* Cursor.putNoOverwrite() */
            status = priCursor.putNoOverwrite(entry(1), entry(2));
            assertSame(OperationStatus.SUCCESS, status);
            status = secCursor.getSearchKey(entry(102), key, data,

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        /* Get a cursor txn. */
        txnCommit(txn);
        txn = txnBeginCursor();


        SecondaryCursor cursor = secDb.openSecondaryCursor(txn, null);
        try {
            /* SecondaryCursor.getFirst()/getNext() */
            secKey.setData(null);
            key.setData(null);
            data.setData(null);

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        txnCommit(txn);
        txn = txnBeginCursor();


        SecondaryCursor cursor = null;
        try {
            cursor = secDb.openSecondaryCursor(txn, null);


            try {
                cursor.getSearchBoth(key, data, LockMode.DEFAULT);
                fail();
            } catch (UnsupportedOperationException expected) { }

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        /* Cursor operations. */


        txnCommit(txn);
        txn = txnBeginCursor();
        Cursor cursor = priDb.openCursor(txn, null);
        SecondaryCursor secCursor = secDb.openSecondaryCursor(txn, null);


        assertEquals(OperationStatus.SUCCESS,
                     cursor.getSearchKey(key, found, null));
        assertEquals(OperationStatus.SUCCESS,
                     cursor.getSearchBoth(key, data, null));

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                     priDb.put(txn, key, data));


        txnCommit(txn);
        txn = txnBeginCursor();
        Cursor cursor = priDb.openCursor(txn, null);
        SecondaryCursor secCursor = secDb.openSecondaryCursor(txn, null);


        /* Check the uninitialized state for certain operations. */


        try {
            cursor.count();

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        txnCommit(txn);
        txn = txnBeginCursor();


        SecondaryCursor c0 = secDb0.openSecondaryCursor(txn, null);
        SecondaryCursor c1 = secDb1.openSecondaryCursor(txn, null);
        SecondaryCursor c2 = secDb2.openSecondaryCursor(txn, null);
        SecondaryCursor[] cursors = {c0, c1, c2};


        for (int i = 0; i < joinSet.length; i += 2) {
            int[] indexKeys = joinSet[i];
            int[] priKeys = joinSet[i + 1];

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        status = priDb2.get(txn, entry(3), data, LockMode.DEFAULT);
        assertEquals(OperationStatus.SUCCESS, status);
        assertEquals(1, val(data));


        SecondaryCursor cursor = secDb2.openSecondaryCursor(txn, null);
        status = cursor.getFirst(key, pkey, data, LockMode.DEFAULT);
        assertEquals(OperationStatus.SUCCESS, status);
        assertEquals(1, val(key));
        assertEquals(2, val(pkey));
        assertEquals(1, val(data));

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