Examples of NdbIndexScanOperation

Examples of com.mysql.cluster.ndbj.NdbIndexScanOperation


      case EQUALITY:
      case APPROXIMATE_MATCH:
        attrName = filter.getAttributeType().getNameOrOID();
        if (BackendImpl.indexes.contains(attrName)) {
          NdbIndexScanOperation indexScanOp =
            ndbTxn.getSelectIndexScanOperation(BackendImpl.IDX_VAL,
            BackendImpl.IDX_TABLE_PREFIX + attrName,
            NdbOperation.LockMode.LM_CommittedRead);
          indexScanOp.setBoundString(BackendImpl.IDX_VAL,
            NdbIndexScanOperation.BoundType.BoundEQ,
            filter.getAssertionValue().toString());
          indexScanOp.getValue(BackendImpl.EID);
          NdbResultSet rs = indexScanOp.resultData();
          rsList.add(rs);
          defined = true;
        }
        break;


      case GREATER_OR_EQUAL:
        attrName = filter.getAttributeType().getNameOrOID();
        if (BackendImpl.indexes.contains(attrName)) {
          NdbIndexScanOperation indexScanOp =
            ndbTxn.getSelectIndexScanOperation(BackendImpl.IDX_VAL,
            BackendImpl.IDX_TABLE_PREFIX + attrName,
            NdbOperation.LockMode.LM_CommittedRead);
          indexScanOp.setBoundString(BackendImpl.IDX_VAL,
            NdbIndexScanOperation.BoundType.BoundGE,
            filter.getAssertionValue().toString());
          indexScanOp.getValue(BackendImpl.EID);
          NdbResultSet rs = indexScanOp.resultData();
          rsList.add(rs);
          defined = true;
        }
        break;


      case LESS_OR_EQUAL:
        attrName = filter.getAttributeType().getNameOrOID();
        if (BackendImpl.indexes.contains(attrName)) {
          NdbIndexScanOperation indexScanOp =
            ndbTxn.getSelectIndexScanOperation(BackendImpl.IDX_VAL,
            BackendImpl.IDX_TABLE_PREFIX + attrName,
            NdbOperation.LockMode.LM_CommittedRead);
          indexScanOp.setBoundString(BackendImpl.IDX_VAL,
            NdbIndexScanOperation.BoundType.BoundLE,
            filter.getAssertionValue().toString());
          indexScanOp.getValue(BackendImpl.EID);
          NdbResultSet rs = indexScanOp.resultData();
          rsList.add(rs);
          defined = true;
        }
        break;


      case PRESENT:
        attrName = filter.getAttributeType().getNameOrOID();
        if (BackendImpl.indexes.contains(attrName)) {
          NdbIndexScanOperation indexScanOp =
            ndbTxn.getSelectIndexScanOperation(BackendImpl.IDX_VAL,
            BackendImpl.IDX_TABLE_PREFIX + attrName,
            NdbOperation.LockMode.LM_CommittedRead);
          indexScanOp.setBoundString(BackendImpl.IDX_VAL,
            NdbIndexScanOperation.BoundType.BoundLT, "");
          indexScanOp.getValue(BackendImpl.EID);
          NdbResultSet rs = indexScanOp.resultData();
          rsList.add(rs);
          defined = true;
        }
        break;

View Full Code Here

Examples of com.mysql.cluster.ndbj.NdbIndexScanOperation

    long eid = 0;
    NdbTransaction ndbDATxn = null;
    String[] ocsStringArray = null;
    String[] xocsStringArray = null;
    List<NdbResultSet> ocRsList = new ArrayList<NdbResultSet>();
    NdbIndexScanOperation indexScanOp = null;


    if (rs.next()) {
      eid = rs.getLong(BackendImpl.EID);
      String ocsString = rs.getString(BackendImpl.DN2ID_OC);
      ocsStringArray = ocsString.split(" ");


      String xocsString = rs.getString(BackendImpl.DN2ID_XOC);
      xocsStringArray = xocsString.split(" ");
      if (xocsString.length() > 0) {
        extensibleObject = true;
      }


      for (String ocName : ocsStringArray) {
        ObjectClass oc =
          DirectoryServer.getObjectClass(ocName, true);
        if (oc.getObjectClassType() == ObjectClassType.ABSTRACT) {
          continue;
        }
        if (ndbDATxn == null) {
          ndbDATxn = txn.getNdbDATransaction(ocName, eid);
        }
        indexScanOp =
          ndbDATxn.getSelectIndexScanOperation(PRIMARY_INDEX_NAME, ocName);
        indexScanOp.setBoundLong(BackendImpl.EID,
            NdbIndexScanOperation.BoundType.BoundEQ, eid);
        indexScanOp.getValue(BackendImpl.MID);
        ocRsList.add(indexScanOp.resultData());
      }


      // Extensible object.
      if (extensibleObject) {
        for (String xocName : xocsStringArray) {
          ObjectClass xoc =
            DirectoryServer.getObjectClass(xocName, true);
          if (xoc.getObjectClassType() == ObjectClassType.ABSTRACT) {
            continue;
          }
          if (ndbDATxn == null) {
            ndbDATxn = txn.getNdbDATransaction(xocName, eid);
          }
          indexScanOp =
            ndbDATxn.getSelectIndexScanOperation(PRIMARY_INDEX_NAME, xocName);
          indexScanOp.setBoundLong(BackendImpl.EID,
            NdbIndexScanOperation.BoundType.BoundEQ, eid);
          indexScanOp.getValue(BackendImpl.MID);
          ocRsList.add(indexScanOp.resultData());
        }
      }
    }


    // Attribute options.
    if (ndbDATxn == null) {
      ndbDATxn = txn.getNdbDATransaction(BackendImpl.TAGS_TABLE, eid);
    }
    indexScanOp = ndbDATxn.getSelectIndexScanOperation(PRIMARY_INDEX_NAME,
      BackendImpl.TAGS_TABLE);
    indexScanOp.setBoundLong(BackendImpl.EID,
      NdbIndexScanOperation.BoundType.BoundEQ, eid);
    indexScanOp.getValue(BackendImpl.TAG_ATTR);
    indexScanOp.getValue(BackendImpl.MID);
    NdbResultSet tagRs = indexScanOp.resultData();


    ndbDATxn.execute(ExecType.NoCommit, AbortOption.AO_IgnoreError, true);


    Iterator<NdbResultSet> rsIterator = ocRsList.iterator();
    for (String ocName : ocsStringArray) {

View Full Code Here

Examples of com.mysql.cluster.ndbj.NdbIndexScanOperation

   */
  public Entry get(AbstractTransaction txn, long eid,
    NdbOperation.LockMode lockMode)
       throws NdbApiException, DirectoryException
  {
    NdbIndexScanOperation indexScanOp = null;
    NdbResultSet rs = null;
    DN dn = null;


    NdbTransaction ndbTxn = txn.getNdbTransaction();


    indexScanOp = ndbTxn.getSelectIndexScanOperation(
      BackendImpl.EID, name, lockMode);
    indexScanOp.setBoundLong(BackendImpl.EID,
            NdbIndexScanOperation.BoundType.BoundEQ, eid);
    for (int i = 0; i < BackendImpl.DN2ID_DN_NC; i++) {
      indexScanOp.getValue(BackendImpl.DN2ID_DN +
        Integer.toString(i));
    }
    indexScanOp.getValue(BackendImpl.DN2ID_OC);
    indexScanOp.getValue(BackendImpl.DN2ID_XOC);


    rs = indexScanOp.resultData();
    ndbTxn.execute(ExecType.NoCommit, AbortOption.AO_IgnoreError, true);


    if (rs.next()) {
      StringBuilder dnBuffer = new StringBuilder();
      int dnColumnIndex = BackendImpl.DN2ID_DN_NC - 1;

View Full Code Here

Examples of com.mysql.cluster.ndbj.NdbIndexScanOperation

    NdbResultSet rs,
    DN dn,
    long eid) throws NdbApiException
  {
    NdbOperation op = null;
    NdbIndexScanOperation indexScanOp = null;
    boolean extensibleObject = false;


    String ocsString = rs.getString(BackendImpl.DN2ID_OC);
    String[] ocsStringArray = ocsString.split(" ");


    String xocsString = rs.getString(BackendImpl.DN2ID_XOC);
    String[] xocsStringArray = xocsString.split(" ");
    if (xocsString.length() > 0) {
      extensibleObject = true;
    }
    LinkedHashMap<ObjectClass, String> xObjectClasses =
      new LinkedHashMap<ObjectClass, String>();


    List<NdbResultSet> ocRsList = new ArrayList<NdbResultSet>();
    Map<String, Map<String, NdbBlob>> blobMap =
      new HashMap<String, Map<String, NdbBlob>>();
    LinkedHashMap<ObjectClass, String> objectClasses =
      new LinkedHashMap<ObjectClass, String>(ocsStringArray.length);


    NdbTransaction ndbDATxn = null;
    NdbIndexScanOperation tagScanOp = null;


    for (String ocName : ocsStringArray) {
      ObjectClass oc =
        DirectoryServer.getObjectClass(ocName, true);
      objectClasses.put(oc, ocName);
      if (oc.getObjectClassType() == ObjectClassType.ABSTRACT) {
        continue;
      }


      if (ndbDATxn == null) {
        ndbDATxn = txn.getNdbDATransaction(ocName, eid);
      }


      indexScanOp =
        ndbDATxn.getSelectIndexScanOperation(
        PRIMARY_INDEX_NAME, ocName,
        NdbOperation.LockMode.LM_CommittedRead);
      indexScanOp.setBoundLong(BackendImpl.EID,
        NdbIndexScanOperation.BoundType.BoundEQ, eid);
      indexScanOp.getValue(BackendImpl.MID);


      for (AttributeType reqAttr : oc.getRequiredAttributes()) {
        String attrName = reqAttr.getNameOrOID();
        if (BackendImpl.blobAttributes.contains(attrName)) {
          NdbBlob blob = indexScanOp.getBlobHandle(attrName);
          Map<String, NdbBlob> attr2Blob = blobMap.get(ocName);
          if (attr2Blob == null) {
            attr2Blob = new HashMap<String, NdbBlob>();
          }
          attr2Blob.put(attrName, blob);
          blobMap.put(ocName, attr2Blob);
        } else {
          indexScanOp.getValue(attrName);
        }
      }
      for (AttributeType optAttr : oc.getOptionalAttributes()) {
        String attrName = optAttr.getNameOrOID();
        if (BackendImpl.blobAttributes.contains(attrName)) {
          NdbBlob blob = indexScanOp.getBlobHandle(attrName);
          Map<String, NdbBlob> attr2Blob = blobMap.get(ocName);
          if (attr2Blob == null) {
            attr2Blob = new HashMap<String, NdbBlob>();
          }
          attr2Blob.put(attrName, blob);
          blobMap.put(ocName, attr2Blob);
        } else {
          indexScanOp.getValue(attrName);
        }
      }
      ocRsList.add(indexScanOp.resultData());
    }


    // Extensible object.
    if (extensibleObject) {
      for (String xocName : xocsStringArray) {
        ObjectClass xoc =
          DirectoryServer.getObjectClass(xocName, true);
        objectClasses.put(xoc, xocName);
        xObjectClasses.put(xoc, xocName);
        if (xoc.getObjectClassType() == ObjectClassType.ABSTRACT) {
          continue;
        }


        if (ndbDATxn == null) {
          ndbDATxn = txn.getNdbDATransaction(xocName, eid);
        }


        indexScanOp =
          ndbDATxn.getSelectIndexScanOperation(
          PRIMARY_INDEX_NAME, xocName,
          NdbOperation.LockMode.LM_CommittedRead);
        indexScanOp.setBoundLong(BackendImpl.EID,
          NdbIndexScanOperation.BoundType.BoundEQ, eid);
        indexScanOp.getValue(BackendImpl.MID);


        for (AttributeType reqAttr : xoc.getRequiredAttributes()) {
          String attrName = reqAttr.getNameOrOID();
          if (BackendImpl.blobAttributes.contains(attrName)) {
            NdbBlob blob = indexScanOp.getBlobHandle(attrName);
            Map<String, NdbBlob> attr2Blob = blobMap.get(xocName);
            if (attr2Blob == null) {
              attr2Blob = new HashMap<String, NdbBlob>();
            }
            attr2Blob.put(attrName, blob);
            blobMap.put(xocName, attr2Blob);
          } else {
            indexScanOp.getValue(attrName);
          }
        }
        for (AttributeType optAttr : xoc.getOptionalAttributes()) {
          String attrName = optAttr.getNameOrOID();
          if (BackendImpl.blobAttributes.contains(attrName)) {
            NdbBlob blob = indexScanOp.getBlobHandle(attrName);
            Map<String, NdbBlob> attr2Blob = blobMap.get(xocName);
            if (attr2Blob == null) {
              attr2Blob = new HashMap<String, NdbBlob>();
            }
            attr2Blob.put(attrName, blob);
            blobMap.put(xocName, attr2Blob);
          } else {
            indexScanOp.getValue(attrName);
          }
        }
        ocRsList.add(indexScanOp.resultData());
      }
    }


    // Operational attributes.
    op = ndbDATxn.getSelectOperation(BackendImpl.OPATTRS_TABLE,
      NdbOperation.LockMode.LM_CommittedRead);
    op.equalLong(BackendImpl.EID, eid);


    for (String attrName : BackendImpl.operationalAttributes) {
      op.getValue(attrName);
    }
    ocRsList.add(op.resultData());


    // Attribute options.
    tagScanOp = ndbDATxn.getSelectIndexScanOperation(
      PRIMARY_INDEX_NAME,
      BackendImpl.TAGS_TABLE,
      NdbOperation.LockMode.LM_CommittedRead);
    tagScanOp.setBoundLong(BackendImpl.EID,
      NdbIndexScanOperation.BoundType.BoundEQ, eid);
    tagScanOp.getValue(BackendImpl.TAG_ATTR);
    tagScanOp.getValue(BackendImpl.MID);
    tagScanOp.getValue(BackendImpl.TAG_TAGS);
    NdbResultSet tagRs = tagScanOp.resultData();


    ndbDATxn.execute(ExecType.NoCommit, AbortOption.AO_IgnoreError, true);


    return decodeNDBEntry(dn, ocRsList, tagRs, objectClasses,
      xObjectClasses, blobMap, extensibleObject);

View Full Code Here

Examples of com.mysql.cluster.ndbj.NdbIndexScanOperation

   * @throws NdbApiException If an error occurs in the database.
   */
  public Set<String> getReferrals(AbstractTransaction txn, long id)
       throws NdbApiException
  {
    NdbIndexScanOperation op = null;
    NdbResultSet rs = null;
    Set<String> referrals = new HashSet<String>();


    NdbTransaction ndbDATxn =
      txn.getNdbDATransaction(BackendImpl.REFERRALS_TABLE, id);


    op = ndbDATxn.getSelectIndexScanOperation(
      PRIMARY_INDEX_NAME, BackendImpl.REFERRALS_TABLE,
      NdbOperation.LockMode.LM_CommittedRead);
    op.setBoundLong(BackendImpl.EID,
            NdbIndexScanOperation.BoundType.BoundEQ, id);


    op.getValue(ATTR_REFERRAL_URL);
    rs = op.resultData();


    ndbDATxn.execute(ExecType.NoCommit, AbortOption.AO_IgnoreError, true);


    while (rs.next()) {
      String referral = rs.getString(ATTR_REFERRAL_URL);

View Full Code Here

Examples of com.mysql.cluster.ndbj.NdbIndexScanOperation

   * occurs in the database.
   */
  public boolean hasSubordinates(AbstractTransaction txn, DN dn)
    throws NdbApiException
  {
    NdbIndexScanOperation op;
    NdbResultSet rs;


    NdbTransaction ndbTxn = txn.getNdbTransaction();


    // Set batch size and parallel scans to
    // their minimum values to reduce churn.
    op = ndbTxn.getSelectIndexScanOperation(
      PRIMARY_INDEX_NAME, name,
      NdbOperation.LockMode.LM_CommittedRead,
      NdbScanOperation.ScanFlag.NO_FLAG, 1, 1);


    int numComponents = dn.getNumComponents();
    int componentIndex = numComponents - 1;
    for (int i=0; i < numComponents; i++) {
      op.setBoundString(BackendImpl.DN2ID_DN +
        Integer.toString(i),
        NdbIndexScanOperation.BoundType.BoundEQ,
        dn.getRDN(componentIndex).toNormalizedString());
      componentIndex--;
    }


    if (dn.getNumComponents() < BackendImpl.DN2ID_DN_NC) {
      String nextRDNColumn =
        BackendImpl.DN2ID_DN + Integer.toString(numComponents);
      op.setBoundString(nextRDNColumn,
        NdbIndexScanOperation.BoundType.BoundLT, "");
    }


    // FIXME: Need NDB/J API like native interpretExitLastRow
    // to do this more efficiently without additional hops.
    op.getValue(BackendImpl.EID);


    rs = op.resultData();
    ndbTxn.execute(ExecType.NoCommit, AbortOption.AO_IgnoreError, true);


    if (rs.next()) {
      return true;
    }

View Full Code Here

Examples of com.mysql.cluster.ndbj.NdbIndexScanOperation

   */
  public long numSubordinates(AbstractTransaction txn, DN dn,
    boolean subtree) throws NdbApiException
  {
    long numSubordinates = 0;
    NdbIndexScanOperation op;
    NdbResultSet rs;


    NdbTransaction ndbTxn = txn.getNdbTransaction();


    op = ndbTxn.getSelectIndexScanOperation(
      PRIMARY_INDEX_NAME, name,
      NdbOperation.LockMode.LM_CommittedRead);


    int numComponents = dn.getNumComponents();
    int componentIndex = numComponents - 1;
    for (int i=0; i < numComponents; i++) {
      op.setBoundString(BackendImpl.DN2ID_DN +
        Integer.toString(i),
        NdbIndexScanOperation.BoundType.BoundEQ,
        dn.getRDN(componentIndex).toNormalizedString());
      componentIndex--;
    }


    // FIXME: Need multi range bound here to optimize in
    // NOT subtree case which would prevent subtree walk
    // when it is not needed. need NDB/J API to do that.
    // native API: NdbIndexScanOperation::end_of_bound()
    if (dn.getNumComponents() < BackendImpl.DN2ID_DN_NC) {
      String nextRDNColumn =
        BackendImpl.DN2ID_DN + Integer.toString(numComponents);
      op.setBoundString(nextRDNColumn,
        NdbIndexScanOperation.BoundType.BoundLT, "");
    }


    // FIXME: Need NDB/J API like native interpretExitLastRow
    // to do this more efficiently without additional hops.
    op.getValue(BackendImpl.EID);


    String subtreeColumn = BackendImpl.DN2ID_DN +
      Integer.toString(dn.getNumComponents() + 1);
    if (!subtree &&
        (dn.getNumComponents() < BackendImpl.DN2ID_DN_NC))
    {
      op.getValue(subtreeColumn);
    }


    rs = op.resultData();
    ndbTxn.execute(ExecType.NoCommit, AbortOption.AO_IgnoreError, true);


    while (rs.next()) {
      if (!subtree &&
          (dn.getNumComponents() < BackendImpl.DN2ID_DN_NC))

View Full Code Here

Examples of com.mysql.ndbjtie.ndbapi.NdbIndexScanOperation


    public IndexScanOperation getIndexScanOperation(Index storeIndex, Table storeTable) {
        enlist();
        IndexConst ndbIndex = ndbDictionary.getIndex(storeIndex.getInternalName(), storeTable.getName());
        handleError(ndbIndex, ndbDictionary);
        NdbIndexScanOperation ndbOperation = ndbTransaction.getNdbIndexScanOperation(ndbIndex);
        handleError(ndbOperation, ndbTransaction);
        int lockMode = indexScanLockMode;
        int scanFlags = 0;
        int parallel = 0;
        int batch = 0;
        int returnCode = ndbOperation.readTuples(lockMode, scanFlags, parallel, batch);
        handleError(returnCode, ndbTransaction);
        if (logger.isTraceEnabled()) logger.trace("Table: " + storeTable.getName() + " index: " + storeIndex.getName());
        return new IndexScanOperationImpl(storeTable, ndbOperation, this);
    }

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Examples of com.mysql.ndbjtie.ndbapi.NdbIndexScanOperation


    public IndexScanOperation getIndexScanOperationMultiRange(Index storeIndex, Table storeTable) {
        enlist();
        IndexConst ndbIndex = ndbDictionary.getIndex(storeIndex.getInternalName(), storeTable.getName());
        handleError(ndbIndex, ndbDictionary);
        NdbIndexScanOperation ndbOperation = ndbTransaction.getNdbIndexScanOperation(ndbIndex);
        handleError(ndbOperation, ndbTransaction);
        int lockMode = indexScanLockMode;
        int scanFlags = ScanFlag.SF_MultiRange;
        int parallel = 0;
        int batch = 0;
        int returnCode = ndbOperation.readTuples(lockMode, scanFlags, parallel, batch);
        handleError(returnCode, ndbTransaction);
        if (logger.isTraceEnabled()) logger.trace("Table: " + storeTable.getName() + " index: " + storeIndex.getName());
        return new IndexScanOperationImpl(storeTable, ndbOperation, this);
    }

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Examples of com.mysql.ndbjtie.ndbapi.NdbIndexScanOperation


    public IndexScanOperation getIndexScanOperationLockModeExclusiveScanFlagKeyInfo(Index storeIndex, Table storeTable) {
        enlist();
        IndexConst ndbIndex = ndbDictionary.getIndex(storeIndex.getInternalName(), storeTable.getName());
        handleError(ndbIndex, ndbDictionary);
        NdbIndexScanOperation ndbOperation = ndbTransaction.getNdbIndexScanOperation(ndbIndex);
        handleError(ndbOperation, ndbTransaction);
        int lockMode = com.mysql.ndbjtie.ndbapi.NdbOperationConst.LockMode.LM_Exclusive;
        int scanFlags = ScanFlag.SF_KeyInfo;
        int parallel = 0;
        int batch = 0;
        int returnCode = ndbOperation.readTuples(lockMode, scanFlags, parallel, batch);
        handleError(returnCode, ndbTransaction);
        if (logger.isTraceEnabled()) logger.trace("Table: " + storeTable.getName() + " index: " + storeIndex.getName());
        return new IndexScanOperationImpl(storeTable, ndbOperation, this);
    }

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