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Add a Visualization to the Table.Row type (#3837)

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Follow up to https://www.pivotaltracker.com/story/show/182307026

When working in the IDE I noticed that the default vis is bad, so this should make it better.
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Radosław Waśko 2022-10-31 15:20:13 +01:00 committed by GitHub
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15
distribution/lib/Standard/Table/0.0.0-dev/src/Data/Row.enso
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@ -19,3 +19,18 @@ type Row
## Gets the row as a Vector.
to_vector : Vector
to_vector self = Vector.from_polyglot_array (Array_Proxy.from_proxy_object self)
## Converts this row into a JSON structure.
to_json : Json
to_json self = self.to_vector.to_json
## UNSTABLE
ADVANCED
Returns a Text used to display this table in the IDE by default.
Returns a JSON object containing useful metadata and previews of column
values.
to_default_visualization_data : Text
to_default_visualization_data self =
self.to_vector.to_default_visualization_data

8
test/Table_Tests/src/Common_Table_Spec.enso
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@ -1476,3 +1476,11 @@ spec prefix table_builder test_selection pending=Nothing =
table.rows (max_rows=2) . at 2 . should_fail_with Index_Out_Of_Bounds_Error_Data
table.rows . at 0 . at -4 . should_fail_with Index_Out_Of_Bounds_Error_Data
table.rows . at 0 . at "unknown" . should_fail_with No_Such_Column_Error_Data
Test.specify "should visualize nicely" <|
table.rows . to_default_visualization_data . should_equal <|
'[[1,5,"A"],[2,6,"B"],[3,7,"C"],[4,8,"D"]]'
# We limit to at most 100 rows, in the future we should add some kind of 'and N more rows' to the visualization, like is done for Table - or just integrate the lazy vis.
t2 = table_builder [["X", 0.up_to 200 . to_vector]]
t2.rows.to_default_visualization_data . should_equal (0.up_to 100 . map (x -> [x])).to_default_visualization_data