Examples of org.apache.ws.jaxme.sqls.Index

org.apache.ws.jaxme.sqls.Index

Interface of an index declaration.
@author Jochen Wiedmann

          }
          isFirstTable = false;
          columnUpdater = new VerNumIncrementer(columnNum);
        } else {
          List pkColumns = new ArrayList();
          Index primaryKey = table.getPrimaryKey();
          if (primaryKey != null) {
            for (Iterator pkIter = primaryKey.getColumns();  pkIter.hasNext();  ) {
              Column pkColumn = (Column) pkIter.next();
              int columnNum = -1;
              int i = 0;
              for (Iterator colIter = table.getColumns();  colIter.hasNext();  i++) {
                Column colIterColumn = (Column) colIter.next();

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          }
          isFirstTable = false;
          columnUpdater = new VerNumIncrementer(columnNum);
        } else {
          List pkColumns = new ArrayList();
          Index primaryKey = table.getPrimaryKey();
          if (primaryKey != null) {
            for (Iterator pkIter = primaryKey.getColumns();  pkIter.hasNext();  ) {
              Column pkColumn = (Column) pkIter.next();
              int columnNum = -1;
              int i = 0;
              for (Iterator colIter = table.getColumns();  colIter.hasNext();  i++) {
                Column colIterColumn = (Column) colIter.next();

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    final String mName = "readPrimaryKey";
    logger.finest(mName, "Looking for primary keys of " + pTable + "=" + pTable.getTable().getQName());
    ResultSet rs = pData.getPrimaryKeys(pTable.getCatalogName(),
                                        pTable.getSchemaName(),
                                        pTable.getTableName());
    Index primaryKey = null;
    boolean isRsClosed = false;
    try {
      while (rs.next()) {
        if (primaryKey == null) {
          primaryKey = pTable.getTable().newPrimaryKey();
        } 


        String columnName = rs.getString(4);
        logger.finest(mName, "Found column " + columnName);
        primaryKey.addColumn(columnName);
      }


      isRsClosed = true;
      rs.close();
    } finally {

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  /** <p>Creates a table with primary key</p>
   */
  protected Table getPrimaryKeyTable() {
    Table table = getBasicTable();
    Index index = table.newPrimaryKey();
    index.addColumn("MyIndex");
    return table;
  }

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  protected Table getComposedKeyTable() {
    Table table = getPrimaryKeyTable();
    Column verNumColumn = table.newColumn("VerNum", Column.Type.INTEGER);
    assertTrue(!verNumColumn.isStringColumn());
    assertTrue(!verNumColumn.isBinaryColumn());
    Index index = table.getPrimaryKey();
    index.addColumn("VerNum");
    return table;
  }

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   */
  public void testIndexNames() {
    SQLGenerator gen = getSQLGenerator();
    Table table = getBasicTable();
    for (int i = 0;  i < 10;  i++) {
      Index index = table.newIndex();
      index.addColumn("MyName");
      String s = (String) gen.getCreate(index).iterator().next();
      assertEquals("CREATE INDEX MyTable_I" + i + " ON MySchema.MyTable (MyName)", s);
    }


    Collection coll = gen.getCreate(schema, true);

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      mtName.setLength(60);
      BinaryColumn mtSig = (BinaryColumn) mt.newColumn("SIG", Column.Type.BINARY);
      mtSig.setLength(16);
      mt.newColumn("DATE", Column.Type.DATE);
      
      Index primaryKey = mt.newPrimaryKey();
      primaryKey.addColumn(mtId);
      primaryKey.addColumn(mtVer);
      mainTable = mt;
    }
    return mainTable;
  }

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      stAddress.setLength(60);
      StringColumn stEmail = (StringColumn) st.newColumn("EMAIL", Column.Type.VARCHAR);
      stEmail.setLength(60);
      stEmail.setNullable(true);
      
      Index primaryKey = st.newPrimaryKey();
      primaryKey.addColumn(stId);
      
      ForeignKey foreignKey = st.newForeignKey(getMainTable());
      foreignKey.addColumnLink(stMtId, getMainTable().getColumn("ID"));
      foreignKey.addColumnLink(stMtVer, getMainTable().getColumn("VER"));

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   * a <code>FOREIGN KEY</code> clause.</p>
   */
  protected boolean isForeignKeyPartOfCreateTable() { return false; }


  protected String createPrimaryKeyAsPartOfCreateTable(Table pTable) {
    Index index = pTable.getPrimaryKey();
    if (index == null) {
      return null;
    }
    StringBuffer sb = new StringBuffer();
    sb.append("PRIMARY KEY").append(" (");
    boolean first = true;
    for (Iterator iter = index.getColumns();  iter.hasNext();  ) {
      if (first) {
        first = false;
      } else {
        sb.append(", ");
      }

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      sb.append(s).append(getCreate((Column) iter.next()));
      s = "," + lf + indent;
    }


    for (Iterator iter = pTable.getIndexes();  iter.hasNext();  ) {
      Index index = (Index) iter.next();
      String st;
      if (index.isPrimaryKey()  &&  !isPrimaryKeyUniqueIndex()) {
        if (!isPrimaryKeyPartOfCreateTable()) {
          continue;
        }
        st = createPrimaryKeyAsPartOfCreateTable(pTable);
      } else if (index.isUnique()) {
        if (!isUniqueIndexPartOfCreateTable()) {
          continue;
        }
        st = createIndexAsPartOfCreateTable(index);
      } else {

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