How to use

getSession

method

in

org.h2.index.ViewIndex

@Override
protected Cursor run() throws Exception {
  viewIndex.setupQueryParameters(viewIndex.getSession(), first, last, null);
  ArrayList<JoinBatch> joinBatches = batchUnion.joinBatches;
  for (int i = 0, size = joinBatches.size(); i < size; i++) {
    assert topFutureCursors[i] != null;
    joinBatches.get(i).viewTopFutureCursor = topFutureCursors[i];
  }
  ResultInterface localResult;
  boolean lazy = false;
  try {
    localResult = viewIndex.getQuery().query(0);
    lazy = localResult.isLazy();
  } finally {
    if (!lazy) {
      resetViewTopFutureCursorAfterQuery();
    }
  }
  return newCursor(localResult);
}

@Override
public final boolean addSearchRows(SearchRow first, SearchRow last) {
  resetAfterFind();
  viewIndex.setupQueryParameters(viewIndex.getSession(), first, last, null);
  R r;
  if (resultSize < result.size()) {
    // get reused runner
    r = queryRunner(resultSize);
  } else {
    // create new runner
    result.add(r = newQueryRunner());
  }
  r.first = first;
  r.last = last;
  if (!collectSearchRows(r)) {
    r.clear();
    return false;
  }
  resultSize++;
  return true;
}

@Override
protected Cursor run() throws Exception {
  if (topFutureCursor == null) {
    // if the top cursor is empty then the whole query will produce
    // empty result
    return EMPTY_CURSOR;
  }
  viewIndex.setupQueryParameters(viewIndex.getSession(), first, last, null);
  JoinBatch.this.viewTopFutureCursor = topFutureCursor;
  ResultInterface localResult;
  boolean lazy = false;
  try {
    localResult = viewIndex.getQuery().query(0);
    lazy = localResult.isLazy();
  } finally {
    if (!lazy) {
      resetViewTopFutureCursorAfterQuery();
    }
  }
  return newCursor(localResult);
}

  @Override
  protected Cursor run() throws Exception {
    viewIndex.setupQueryParameters(viewIndex.getSession(), first, last, null);
    ArrayList<JoinBatch> joinBatches = batchUnion.joinBatches;
    for (int i = 0, size = joinBatches.size(); i < size; i++) {
      assert topFutureCursors[i] != null;
      joinBatches.get(i).viewTopFutureCursor = topFutureCursors[i];
    }
    LocalResult localResult;
    try {
      localResult = viewIndex.getQuery().query(0);
    } finally {
      for (int i = 0, size = joinBatches.size(); i < size; i++) {
        joinBatches.get(i).viewTopFutureCursor = null;
      }
    }
    return newCursor(localResult);
  }
}

  @Override
  protected Cursor run() throws Exception {
    viewIndex.setupQueryParameters(viewIndex.getSession(), first, last, null);
    ArrayList<JoinBatch> joinBatches = batchUnion.joinBatches;
    for (int i = 0, size = joinBatches.size(); i < size; i++) {
      assert topFutureCursors[i] != null;
      joinBatches.get(i).viewTopFutureCursor = topFutureCursors[i];
    }
    LocalResult localResult;
    try {
      localResult = viewIndex.getQuery().query(0);
    } finally {
      for (int i = 0, size = joinBatches.size(); i < size; i++) {
        joinBatches.get(i).viewTopFutureCursor = null;
      }
    }
    return newCursor(localResult);
  }
}

  @Override
  protected Cursor run() throws Exception {
    if (topFutureCursor == null) {
      // if the top cursor is empty then the whole query will produce
      // empty result
      return EMPTY_CURSOR;
    }
    viewIndex.setupQueryParameters(viewIndex.getSession(), first, last, null);
    JoinBatch.this.viewTopFutureCursor = topFutureCursor;
    LocalResult localResult;
    try {
      localResult = viewIndex.getQuery().query(0);
    } finally {
      JoinBatch.this.viewTopFutureCursor = null;
    }
    return newCursor(localResult);
  }
}

@Override
public final boolean addSearchRows(SearchRow first, SearchRow last) {
  resetAfterFind();
  viewIndex.setupQueryParameters(viewIndex.getSession(), first, last, null);
  R r;
  if (resultSize < result.size()) {
    // get reused runner
    r = queryRunner(resultSize);
  } else {
    // create new runner
    result.add(r = newQueryRunner());
  }
  r.first = first;
  r.last = last;
  if (!collectSearchRows(r)) {
    r.clear();
    return false;
  }
  resultSize++;
  return true;
}

@Override
public final boolean addSearchRows(SearchRow first, SearchRow last) {
  resetAfterFind();
  viewIndex.setupQueryParameters(viewIndex.getSession(), first, last, null);
  R r;
  if (resultSize < result.size()) {
    // get reused runner
    r = queryRunner(resultSize);
  } else {
    // create new runner
    result.add(r = newQueryRunner());
  }
  r.first = first;
  r.last = last;
  if (!collectSearchRows(r)) {
    r.clear();
    return false;
  }
  resultSize++;
  return true;
}

  @Override
  protected Cursor run() throws Exception {
    if (topFutureCursor == null) {
      // if the top cursor is empty then the whole query will produce
      // empty result
      return EMPTY_CURSOR;
    }
    viewIndex.setupQueryParameters(viewIndex.getSession(), first, last, null);
    JoinBatch.this.viewTopFutureCursor = topFutureCursor;
    LocalResult localResult;
    try {
      localResult = viewIndex.getQuery().query(0);
    } finally {
      JoinBatch.this.viewTopFutureCursor = null;
    }
    return newCursor(localResult);
  }
}

public PlanItem getBestPlanItem(Session session, int[] masks) throws SQLException {
  PlanItem item = new PlanItem();
  item.cost = index.getCost(session, masks);
  IntArray masksArray = new IntArray(masks == null ? new int[0] : masks);
  ViewIndex i2 = (ViewIndex) indexCache.get(masksArray);
  if (i2 == null || i2.getSession() != session) {
    i2 = new ViewIndex(this, index, session, masks);
    indexCache.put(masksArray, i2);
  }
  item.setIndex(i2);
  return item;
}