Examples with ColumnHolder org.apache.druid.segment.column.ColumnHolder used on opensource projects

Example 21 with ColumnHolder

use of org.apache.druid.segment.column.ColumnHolder in project druid by druid-io.

the class QueryableIndexStorageAdapter method populateMinMaxTime.

private void populateMinMaxTime() {
    // Compute and cache minTime, maxTime.
    final ColumnHolder columnHolder = index.getColumnHolder(ColumnHolder.TIME_COLUMN_NAME);
    try (final NumericColumn column = (NumericColumn) columnHolder.getColumn()) {
        this.minTime = DateTimes.utc(column.getLongSingleValueRow(0));
        this.maxTime = DateTimes.utc(column.getLongSingleValueRow(column.length() - 1));
    }
}

Example 22 with ColumnHolder

use of org.apache.druid.segment.column.ColumnHolder in project druid by druid-io.

the class QueryableIndexIndexableAdapter method getBitmapIndex.

@VisibleForTesting
BitmapValues getBitmapIndex(String dimension, String value) {
    final ColumnHolder columnHolder = input.getColumnHolder(dimension);
    if (columnHolder == null) {
        return BitmapValues.EMPTY;
    }
    final BitmapIndex bitmaps = columnHolder.getBitmapIndex();
    if (bitmaps == null) {
        return BitmapValues.EMPTY;
    }
    return new ImmutableBitmapValues(bitmaps.getBitmap(bitmaps.getIndex(value)));
}

Example 23 with ColumnHolder

use of org.apache.druid.segment.column.ColumnHolder in project druid by druid-io.

the class QueryableIndexIndexableAdapter method getBitmapValues.

@Override
public BitmapValues getBitmapValues(String dimension, int dictId) {
    final ColumnHolder columnHolder = input.getColumnHolder(dimension);
    if (columnHolder == null) {
        return BitmapValues.EMPTY;
    }
    final BitmapIndex bitmaps = columnHolder.getBitmapIndex();
    if (bitmaps == null) {
        return BitmapValues.EMPTY;
    }
    if (dictId >= 0) {
        return new ImmutableBitmapValues(bitmaps.getBitmap(dictId));
    } else {
        return BitmapValues.EMPTY;
    }
}