Examples of org.apache.derby.iapi.sql.dictionary.TableDescriptor

Package org.apache.derby.iapi.sql.dictionary

Examples of org.apache.derby.iapi.sql.dictionary.TableDescriptor

org.apache.derby.iapi.sql.dictionary.TableDescriptor
This class represents a table descriptor. The external interface to this class is:
1. external interface
2. public String getSchemaName();
3. public String getQualifiedName();
4. public int getTableType();
5. public long getHeapConglomerateId() throws StandardException;
6. public int getNumberOfColumns();
7. public FormatableBitSet getReferencedColumnMap();
8. public void setReferencedColumnMap(FormatableBitSet referencedColumnMap);
9. public int getMaxColumnID() throws StandardException;
10. public void setUUID(UUID uuid);
11. public char getLockGranularity();
12. public void setTableName(String newTableName);
13. public void setLockGranularity(char lockGranularity);
14. public ExecRow getEmptyExecRow( ContextManager cm) throws StandardException;
15. public boolean tableNameEquals(String otherSchemaName, String otherTableName);
16. public ReferencedKeyConstraintDescriptor getPrimaryKey() throws StandardException;
17. public void removeConglomerateDescriptor(ConglomerateDescriptor cd) throws StandardException;
18. public void removeConstraintDescriptor(ConstraintDescriptor cd) throws StandardException;
19. public void getAffectedIndexes(...) throws StandardException;
20. public void getAllRelevantTriggers(...) throws StandardException;
21. public void getAllRelevantConstraints(...) throws StandardException
22. public ColumnDescriptorList getColumnDescriptorList();
23. public String[] getColumnNamesArray();
24. public long[] getAutoincIncrementArray();
25. public ColumnDescriptor getColumnDescriptor(String columnName);
26. public ColumnDescriptor getColumnDescriptor(int columnNumber);
27. public ConglomerateDescriptor[] getConglomerateDescriptors() throws StandardException;
28. public ConglomerateDescriptor getConglomerateDescriptor(long conglomerateNumber) throws StandardException;
29. public ConglomerateDescriptor getConglomerateDescriptor(UUID conglomerateUUID) throws StandardException;
30. public IndexLister getIndexLister() throws StandardException;
31. public ViewDescriptor getViewDescriptor();
32. public boolean tableHasAutoincrement();
33. public boolean statisticsExist(ConglomerateDescriptor cd) throws StandardException;
34. public double selectivityForConglomerate(...)throws StandardException;


        Dependent dep = dependency.getDependent();


        if (affectedCols != null)
        {
          TableDescriptor td = (TableDescriptor) dependency.getProvider();
          FormatableBitSet providingCols = td.getReferencedColumnMap();
          if (providingCols == null)
          {
            if (dep instanceof ViewDescriptor)
            {
              ViewDescriptor vd = (ViewDescriptor) dep;
              SchemaDescriptor compSchema;
              compSchema = dd.getSchemaDescriptor(vd.getCompSchemaId(), null);
              CompilerContext newCC = lcc.pushCompilerContext(compSchema);
              Parser  pa = newCC.getParser();


              // Since this is always nested inside another SQL
              // statement, so topLevel flag should be false
              CreateViewNode cvn = (CreateViewNode)pa.parseStatement(
                        vd.getViewText());


              // need a current dependent for bind
              newCC.setCurrentDependent(dep);
              cvn.bindStatement();
              ProviderInfo[] providerInfos = cvn.getProviderInfo();
              lcc.popCompilerContext(newCC);


              boolean    interferent = false;
              for (int i = 0; i < providerInfos.length; i++)
              {
                Provider provider = null;
                  provider = (Provider) providerInfos[i].
                          getDependableFinder().
                          getDependable(dd,
                          providerInfos[i].getObjectId());
                if (provider instanceof TableDescriptor)
                {
                  TableDescriptor tab = (TableDescriptor)provider;
                  FormatableBitSet colMap = tab.getReferencedColumnMap();
                  if (colMap == null)
                    continue;
                  // if later on an error is raised such as in
                  // case of interference, this dependency line
                  // upgrade will not happen due to rollback
                  tab.setReferencedColumnMap(null);
                  dropDependency(lcc, vd, tab);
                  tab.setReferencedColumnMap(colMap);
                  addDependency(vd, tab, lcc.getContextManager());


                  if (tab.getObjectID().equals(td.getObjectID()))
                  {
                    System.arraycopy(affectedCols.getByteArray(), 0, 
                      subsetCols.getByteArray(), 0, 
                      affectedCols.getLengthInBytes());
                    subsetCols.and(colMap);

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         * table name for the error message.  All we have 
         * is the conglomerate number to work with.
         */
        DataDictionary dd = activation.getLanguageConnectionContext().getDataDictionary();
        ConglomerateDescriptor cd = dd.getConglomerateDescriptor( heapConglom );
        TableDescriptor td = dd.getTableDescriptor(cd.getTableID());


        StandardException se = StandardException.newException(SQLState.LANG_CHECK_CONSTRAINT_VIOLATED, 
          td.getQualifiedName(), checkName);


        throw se;
      }
    }

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   */
  public TableDescriptor    getTableDescriptor(String tableName,
          SchemaDescriptor schema)
      throws StandardException
  {
    TableDescriptor    retval = null;


    /*
    ** If we didn't get a schema descriptor, we had better
    ** have a system table.
    */
    if (SanityManager.DEBUG)
    {
      if ((schema == null) && !tableName.startsWith("SYS"))
      {
        SanityManager.THROWASSERT("null schema for non system table "+tableName);
      }
    }


    SchemaDescriptor sd = (schema == null) ?
        getSystemSchemaDescriptor()
        : schema;


    UUID schemaUUID = sd.getUUID();
    
    if (SchemaDescriptor.STD_SYSTEM_DIAG_SCHEMA_NAME.equals(
        sd.getSchemaName()))
    {
      TableDescriptor td =
        new TableDescriptor(this, tableName, sd,
            TableDescriptor.VTI_TYPE,
            TableDescriptor.DEFAULT_LOCK_GRANULARITY);
      
      // ensure a vti class exists
      if (getVTIClass(td, false) != null)

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                    String schemaUUID)
        throws StandardException
  {
    DataValueDescriptor      schemaIDOrderable;
    DataValueDescriptor      tableNameOrderable;
    TableDescriptor        td;
    TabInfoImpl            ti = coreInfo[SYSTABLES_CORE_NUM];


    /* Use tableNameOrderable and schemaIdOrderable in both start 
     * and stop position for scan. 
     */

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   */
  public TableDescriptor    getTableDescriptor(UUID tableID)
      throws StandardException
  {
    OIDTDCacheable    cacheEntry;
    TableDescriptor  retval = null;


    /* Only use the cache if we're in compile-only mode */
    if (getCacheMode() == DataDictionary.COMPILE_ONLY_MODE)
    {
      cacheEntry = (OIDTDCacheable) OIDTdCache.find(tableID);
      if (cacheEntry != null)
      {
        retval = cacheEntry.getTableDescriptor();
        // bind in previous command might have set refernced cols
        retval.setReferencedColumnMap(null);
        OIDTdCache.release(cacheEntry);
      }


      return retval;

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  private TableDescriptor getTableDescriptorIndex2Scan(
                    String tableUUID)
        throws StandardException
  {
    DataValueDescriptor      tableIDOrderable;
    TableDescriptor        td;
    TabInfoImpl            ti = coreInfo[SYSTABLES_CORE_NUM];


    /* Use tableNameOrderable and schemaIdOrderable in both start 
     * and stop position for scan. 
     */

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   * @exception StandardException    Thrown on error
   */
  public ViewDescriptor  getViewDescriptor(TableDescriptor td)
    throws StandardException
  {
    TableDescriptor  tdi = (TableDescriptor) td;


    /* See if the view info is cached */
    if (tdi.getViewDescriptor() != null)
    {
      return tdi.getViewDescriptor();
    }


    synchronized(tdi)
    {
      /* See if we were waiting on someone who just filled it in */
      if (tdi.getViewDescriptor() != null)
      {
        return tdi.getViewDescriptor();
      }


      tdi.setViewDescriptor((ViewDescriptor) getViewDescriptorScan(tdi));
    }
    return tdi.getViewDescriptor();
  }

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            (TupleDescriptor) null,
            fkList,
            false);


    SubKeyConstraintDescriptor cd;
    TableDescriptor td;
    ConstraintDescriptorList cdl = new ConstraintDescriptorList();
    ConstraintDescriptorList tmpCdl;


    for (Iterator iterator = fkList.iterator(); iterator.hasNext(); )
    {

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    ConglomerateController  heapCC = null;
    ScanController      scanController = null;
    TransactionController  tc;
    TabInfoImpl         ti = getNonCoreTI(SYSCONSTRAINTS_CATALOG_NUM);
    SYSCONSTRAINTSRowFactory rf = (SYSCONSTRAINTSRowFactory) ti.getCatalogRowFactory();
    TableDescriptor      td = null;
    List          slist = newSList();


    if (SanityManager.DEBUG)
    {
      SanityManager.ASSERT(indexId == SYSCONSTRAINTSRowFactory.SYSCONSTRAINTS_INDEX1_ID ||

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        // than fetch, so that the fetch happens while latch is held, otherwise
        // the next() might position the scan on a row, but the subsequent
        // fetch() may find the row deleted or purged from the table.
    while(scanController.fetchNext(outRow.getRowArray()))
    {
      TableDescriptor td = (TableDescriptor)
        rf.buildDescriptor(outRow, (TupleDescriptor)null,
                   this);
      ht.put(td.getUUID(), td);
    }
    scanController.close();
    return ht;
  }

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Related Classes of org.apache.derby.iapi.sql.dictionary.TableDescriptor

org.apache.derby.catalog.SystemProcedures

org.apache.derby.catalog.UUID

org.apache.derby.diag.SpaceTable

org.apache.derby.iapi.db.ConsistencyChecker

org.apache.derby.iapi.db.OnlineCompress

org.apache.derby.iapi.db.PropertyInfo

org.apache.derby.iapi.services.io.FormatableBitSet

org.apache.derby.iapi.sql.conn.LanguageConnectionContext

org.apache.derby.iapi.sql.depend.DependencyManager

org.apache.derby.iapi.sql.dictionary.GenericDescriptorList

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