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#449 Large tables load and react slow

v1.1.x
fixed
Erik Hänel
None
v1.1.1
Bug Fix
2019-08-19
2019-02-28
Erik Hänel
No

Large tables, which shall be shown in a grid, load and react on cursor movements really slow.

Analysis:

Connected to changes in [#223]. The Grid is blocked, because the EVT_GRID_RANGE_SELECT is thrown at the begin of a selection containing the coordinates of the whole grid. This indicates the de-selection of the grid, but is not handled correctly. To speed up the whole process, it is probably needed to change the conversion of the double table into a string table.

Implementation:

  • Implementation: The fix was processed as proposed by the analysis.
  • Revision: [r485]
  • Implementation test: Tables are performing much better now.

Documentation:

  • ChangesLog: Updated
  • Comments: New code was commented sufficiently
  • Documentation articles: Not needed
  • Language files: Not needed

Tests:

This fix was tested manually. The performance is better, however, for large tables, a significant calculation time is still needed.

Related

Commit: [r485]
Tickets: #223

Discussion

  • Erik Hänel

    Erik Hänel - 2019-02-28
    • status: open --> accepted
     

  • Erik Hänel

    Erik Hänel - 2019-02-28
    • Description has changed:

    Diff:

    --- old
+++ new
@@ -1 +1,18 @@
 Large tables, which shall be shown in a grid, load and react on cursor movements really slow.
+
+###Analysis:
+(*Describe, what's the issue and which changes have to be made*)
+
+###Implementation:
+* Implementation: (*Describe, what you've changed*) 
+* Revision: [rXXX]
+* Implementation test: (*Describe the type of test, which you performed, and if it was successful*)
+
+###Documentation:
+* ChangesLog: (*Have you updated the changes log?*)
+* Comments: (*Have you written comments in the code, which describe your change?*)
+* Documentation articles: (*Have you updated the documentation articles?*)
+* Language files: (*Have you updated the language files?*)
+
+###Tests:
+(*Describe, which tests you performed and their outcome*)
    • status: accepted --> analyzing
     

  • Erik Hänel

    Erik Hänel - 2019-03-02
    • Description has changed:

    Diff:

    --- old
+++ new
@@ -1,7 +1,7 @@
 Large tables, which shall be shown in a grid, load and react on cursor movements really slow.

 ###Analysis:
-(*Describe, what's the issue and which changes have to be made*)
+Connected to changes in [#223]. The Grid is blocked, because the `EVT_GRID_RANGE_SELECT` is thrown at the begin of a selection containing the coordinates of the whole grid. This indicates the de-selection of the grid, but is not handled correctly. To speed up the whole process, it is probably needed to change the conversion of the double table into a string table.

 ###Implementation:

 * Implementation: (*Describe, what you've changed*)
    • status: analyzing --> implementing
     

    Related

    Tickets: #223

  • Erik Hänel

    Erik Hänel - 2019-03-04
    • Description has changed:

    Diff:

    --- old
+++ new
@@ -4,15 +4,15 @@
 Connected to changes in [#223]. The Grid is blocked, because the `EVT_GRID_RANGE_SELECT` is thrown at the begin of a selection containing the coordinates of the whole grid. This indicates the de-selection of the grid, but is not handled correctly. To speed up the whole process, it is probably needed to change the conversion of the double table into a string table.

 ###Implementation:
-* Implementation: (*Describe, what you've changed*) 
-* Revision: [rXXX]
-* Implementation test: (*Describe the type of test, which you performed, and if it was successful*)
+* Implementation: The fix was processed as proposed by the analysis.
+* Revision: [r485]
+* Implementation test: Tables are performing much better now.

 ###Documentation:
-* ChangesLog: (*Have you updated the changes log?*)
-* Comments: (*Have you written comments in the code, which describe your change?*)
-* Documentation articles: (*Have you updated the documentation articles?*)
-* Language files: (*Have you updated the language files?*)
+* ChangesLog: Updated
+* Comments: New code was commented sufficiently
+* Documentation articles: Not needed
+* Language files: Not needed

 ###Tests:
 (*Describe, which tests you performed and their outcome*)
    • status: implementing --> testing
     

    Related

    Commit: [r485]
    Tickets: #223

  • Erik Hänel

    Erik Hänel - 2019-08-19
    • Description has changed:

    Diff:

    --- old
+++ new
@@ -15,4 +15,4 @@

 * Language files: Not needed

 ###Tests:
-(*Describe, which tests you performed and their outcome*)
+This fix was tested manually. The performance is better, however, for large tables, a significant calculation time is still needed.
    • status: testing --> fixed
     

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