has init initSeq initSeq read readAllNames readBufferRowCount readColumnCount readIndex readIndices readInfo readName readRowCount readSegment readSegmentSeq readSegmentSeq readSegmentSeqTo readSegmentSeqTo readSegmentSeqTo readSegmentSeqTo readSegmentTo readSegmentTo readSeq readSeq readSeqTo readSeqTo readSeqTo readSeqTo readTo readTo remove removeSeq rename write writeSegment writeSegmentSeq writeSegmentSeq writeSeq writeSeq

readInfo() ColumnInfo< T, N > readInfo ( ColumnKey  key ) const Read the info of a column. Parameters key The name or 0-based index of the column to be read