Re: [RM2522] Improve grid/column select all operation

On Fri, Jun 30, 2017 at 9:39 AM, Harshal Dhumal <
harshal(dot)dhumal(at)enterprisedb(dot)com> wrote:

> Hi,
>
> This patch is not related to improve copy/past operation. It's only
> related to grid selection.
> The improvement is only between when user clicks on grid select all column
> to until all row are selected (turned into blue). With large columns though
> improvement is not large but it not putting any overhead. Other hand with
> less columns but large row count the improvement it quite noticeable. Code
> change is only single line to use array concatenation instead of underscore
> union <http://underscorejs.org/#union>. I had look at union function
> implementation. It first flattens result set recursively and then removes
> duplicate which is not required in our case. All we want is indexes of
> complete rows in selected rows (ranges).
>
>
Ah, I see.

In that case, patch applied. Thanks!

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