A document is received, the document including metadata for a data visualization of a data set. The data set includes a plurality of data columns, each of the plurality of columns having a column name and a plurality of data values. A first set of columns of the plurality of columns is present in the data visualization. The first set of columns is determined based on the metadata. A second set of columns of the plurality of columns is determined, where the second set of columns includes remaining columns of the plurality of columns excluding the first set of columns. The data set is ordered by having the first set of columns prior to the second set of columns. A composite index is generated on the ordered data set.