Default Sort Order On Mac

Chances are you've opened some Finder windows in the past. Individual folder options will override this default setting that we just set.

Sorts a table.

Description

The Sort function sorts a table based on a formula.

The formula is evaluated for each record of the table, and the results are used to sort the table. The formula must result in a number, a string, or a Boolean value; it can't result in a table or a record.

Fields of the record currently being processed are available within the formula. You simply reference them by name as you would any other value. You can also reference control properties and other values from throughout your app. For more details, see the examples below and working with record scope.

To sort first by one column and then by another, you embed a Sort formula within another. For example, you can use this formula to sort a Contacts table first by a LastName column and then by a FirstName column: Sort( Sort( Contacts, LastName ), FirstName )

The SortByColumns function can also be used to sort a table based on one or more columns.

The parameter list for SortByColumns provides the names of the columns to sort by and the sort direction per column. Sorting is performed in the order of the parameters (sorted first by the first column, then the second, and so on). Column names are specified as strings, requiring double quotes if directly included in the parameter list. For example, SortByColumns( CustomerTable, 'LastName' ).

You can combine SortByColumns with a Drop down or List box control to enable users to select which column to sort by.

In addition to sorting ascending or descending, SortByColumns can sort based on a single column table of values. For example, you can sort record based on the name of a day of the week by supplying [ 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday' ] as the sort order. All records which have Monday' will come first, followed by Tuesday, and so on. Records found that do not appear in the sort table are put at the end of the list.

Tables are a value in Power Apps, just like a string or number. They can be passed to and returned from functions. Sort and SortByColumn don't modify a table; instead they take a table as an argument and return a new table that has been sorted. See working with tables for more details.

Delegation

When possible, Power Apps will delegate filter and sort operations to the data source and page through the results on demand. For example, when you start an app that shows a Gallery control filled with data, only the first set of records will be initially brought to the device. As the user scrolls, additional data is brought down from the data source. The result is a faster start time for the app and access to very large data sets.

However, delegation may not always be possible. Data sources vary on what functions and operators they support with delegation. If complete delegation of a formula isn't possible, the authoring environment will flag the portion that can't be delegated with a warning. When possible, consider changing the formula to avoid functions and operators that can't be delegated. The delegation list details which data sources and operations can be delegated.

If delegation is not possible, Power Apps will pull down only a small set of records to work on locally. Filter and sort functions will operate on a reduced set of records. What is available in the Gallery may not be the complete story, which could be confusing to users.

See the delegation overview for more information.

Syntax

Sort( Table, Formula [, SortOrder ] )

• Table - Required. Table to sort.
• Formula - Required. This formula is evaluated for each record of the table, and the results are used to sort the table. You can reference columns within the table.
• SortOrder - Optional. Specify SortOrder.Descending to sort the table in descending order. SortOrder.Ascending is the default value.

SortByColumns( Table, ColumnName1 [, SortOrder1, ColumnName2, SortOrder2, .. ] )

• Table - Required. Table to sort.

• ColumnName(s) - Required. The column names to sort on, as strings.

• SortOrder(s) - Optional. SortOrder.Ascending or SortOrder.Descending. SortOrder.Ascending is the default. If multiple ColumnNames are supplied, all but the last column must include a SortOrder.

  Note

  For SharePoint and Excel data sources that contain column names with spaces, specify each space as '_x0020_'. For example, specify 'Column Name' as 'Column_x0020_Name'.

SortByColumns( Table, ColumnName, SortOrderTable )

• Table - Required. Table to sort.

• ColumnName - Required. The column name to sort on, as strings.

• SortOrderTable - Required. Single column table of values to sort by.

  Note

  For SharePoint and Excel data sources that contain column names with spaces, specify each space as '_x0020_'. For example, specify 'Column Name' as 'Column_x0020_Name'.

Examples

For the following examples, we'll use the IceCreamdata source, which contains the data in this table:

Step by step

To run these examples yourself, create the IceCream data source as a collection:

1. Add a button, and set its OnSelect property to this formula:
   ClearCollect( IceCream, { Flavor: 'Chocolate', Quantity: 100, OnOrder: 150 }, { Flavor: 'Vanilla', Quantity: 200, OnOrder: 20 }, { Flavor: 'Strawberry', Quantity: 300, OnOrder: 0 }, { Flavor: 'Mint Chocolate', Quantity: 60, OnOrder: 100 }, { Flavor: 'Pistachio', Quantity: 200, OnOrder: 10 } )
2. Preview the app, select the button, and then press Esc to return to the default workspace.
3. Select Collections on the File menu to display the collection that you just created, and then press Esc to return to the default workspace.

Sort

1. Add another button, and set its OnSelect property to this formula:
   ClearCollect( SortByFlavor, Sort( IceCream, Flavor ) )

   The previous formula creates a second collection, named SortByFlavor, that contains the same data as Ice Cream. However, the new collection contains the data sorted alphabetically by the Flavor column in ascending order.

2. Press F5, select the new button, and then press Esc.

3. Select Collections on the File menu to display both collections, and then press Esc to return to the default workspace.

4. Repeat the last three steps, but change the name of the collection that you want to create, and replace the Sort formula with a different formula from the table of examples earlier in this section that uses Sort.

SortByColumns

1. Add another button, and set its OnSelect property to this formula:
   ClearCollect( SortByQuantity, SortByColumns( IceCream, 'Quantity', Ascending, 'Flavor', Descending ) )

   The previous formula creates a third collection, named SortByQuantity, that contains the same data as Ice Cream. However, the new collection contains the data sorted numerically by the Quantity column in ascending order, and then by the Flavor column in descending order.

2. Press F5, select the new button, and then press Esc.

3. Select Collections on the File menu to display all three collections, and then press Esc to return to the default workspace.

4. Repeat the last three steps, but change the name of the collection that you want to create, and replace the SortByColumns formula with a different formula from the table of examples earlier in this section that uses SortByColumns.

There are many ways to sort data in Tableau. When viewing a visualization, data can be sorted using single click options from an axis, header, or field label. In the authoring environment, additional sorting options include sorting manually in headers and legends, using the toolbar sort icons, or sorting from the sort menu.

Tip: Download the workbook used in these examples to explore on your own (requires Tableau Desktop).

Quick sort from an axis, header, or field label

There are multiple ways to sort a visualization with single click sort buttons.

In all cases, one click sorts ascending, two clicks sorts descending, and three clicks clear the sort.

Sort icons may appear on an axis (Metric A), header (Light Green) or field label (Hue)

The sort will update correctly if the underlying data changes.

Sort from an axis

1. Hover over a numerical axis to bring up the sort icon.
2. Click the icon to sort.

Sort: Color is sorted within each Hue in decreasing order of Metric A

In this example, the sort is applied to Color (sorting the rows) based on the values for Metric A. If there are hierarchical dimensions like above, the sort is applied to the innermost dimension. Here, that means that Color will sort inside Hue. Dark magenta cannot sort to the top of the viz because it must stay inside the pane for the Purple hue.

Sort from a header

1. Hover over a header to bring up the sort icon.
2. Click the icon to sort.

Sort: Materials are arranged in decreasing order of Metric B for Green.

In this example, the sort is applied to Material (sorting the order of the columns—Paint, Fabric, and Paper) based on the values for Green, since that header was used for the sort.

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Sort from a field label

1. Hover over a field label to bring up the sort icon.
   • The sort icon for a field label is slightly different from a header or axis. The default option is alphabetical sorting, but there is also a menu where you can choose to sort by a field in the view.
2. Click the A-Z icon to sort alphabetically, or open the menu to see a list of fields it is possible to sort by then chose a field. The icon switches to the bar icon and you can click to sort.

Sort: Hues are arranged in descending order by Metric B.

In this example, the sort is applied to the outermost dimension (Hue) based on total Metric B. (Metric B is aggregated for all the colors within each hue and Hue is sorted. Therefore, Purple is first, then Green, then Blue.)

Missing sort icons

If the sort icons do not appear, this functionality may have been turned off or it might not be possible to sort the view. For example, scatterplots cannot be sorted from a numerical axis because the position of the marks are fully determined by the data. No sort icon will appear on the axes in scatterplots.

Sort options while authoring

In an authoring environment, there are additional sorting options to those available on published content.

Sort from the toolbar

1. Select the dimension you wish to sort.
   1. If you do not select a field before sorting, the default behavior is to sort the deepest dimension.
2. Choose the appropriate sort button (ascending or descending) in the toolbar.

For example, in the gif above, the sort is applied to Hue unless the Material field is selected prior to sorting. The toolbar sort also applies to the leftmost measure, in this case Metric B. To sort by Metric A, it would be necessary to reverse their order on the Columns shelf or use another method of sorting. (To see the effect of sorting by Material, Hue is removed from the view. This makes it easier to see how the sort was computed.)

Sort by drag and drop

To manually sort, select a header in a viz or on a legend and drag it to the correct location—a heavy black line indicates where it will go.

Note: Sorting on a legend also changes the order of the marks, not simply how the legend is displayed. Whatever is bottommost in the legend becomes the bottommost mark in the viz. This can either mean closest to the axis or header, or actually underneath in the case of scatterplots and other viz types that may have overlapping marks.

Sort specific fields in the viz

Take complete control over the sort by using the sort menu. (The sort menu is not available for continuous measures.)

1. Right-click (Windows) or control-click (Mac) the field you want to sort and select Sort. The sort dialog will open.
2. Select a Sort By option then configure its behavior:
• Data Source Order
  • Choose Ascending or Descending
• Alphabetic
  • Choose Ascending or Descending
• Field
  • Choose Ascending or Descending
  • Select the field whose value will be used to determine the sort order. The field does not need to be used in the visualization.
  • Select an aggregation for the sorting field. The aggregation options available depend on the field type.
• Manual
  • Select a value and move it to the desired position, either by dragging it in the list or using the arrows to the right.
• Nested
  • Choose Ascending or Descending
  • Select the field whose value will be used to determine the sort order. The field does not need to be used in the visualization.
  • Select an aggregation for the sorting field. The aggregation options available depend on the field type.

• Data source order: sorts the data based on how the data is sorted in the data source. Generally for relational data sources, this tends to be natural sort order. Natural sort order is an alphabetic sort where multi-digit numbers are treated as a single character. For example, natural sorting puts 2 before 19 because 2 is less than 19, whereas alphabetic sorting puts 19 before 2 because 1 is less than 2.

  If you are using a cube, data source order is the defined hierarchal order of the members within a dimension.

• Alphabetic: sorts the data alphabetically. This sort is case sensitive and sorts [A-Z] before [a-z] and treats digits individually (that is, 19 comes before 2).

  To create a non-case sensitive sort, create a calculated field using the UPPER() or LOWER() functions to remove variation in capitalization. For more information, see String Functions.

• Nested: see the section below on Nested sorts.

Additional information

Nested Sorts

When the values to be sorted occur in multiple panes, there are two ways to sort: nested and non-nested (or comparative). In the image below, all three values for Hue occur for all three Materials. Nested sorting considers values independently per pane rather than in aggregate across panes.

Note: When creating a nested sort, the sort is inherited when you drill down through the dimensions. For example, a nested sort on Hue will apply to Color.

If a dimension has been placed on the same shelf as a measure, that measure will have an axis in the view for each value of the dimension. Using the axis sort icon will generate a nested sort specifically for that value.

In this scenario, an additional field is added to the sort menu dialog for the sorted dimension. To stop breaking down the sort by this value, uncheck the box for Filter By.

Understanding “incorrect” sorts

It is easy to think a view is sorted incorrectly when in fact the sort logic is simply not clear. A view with a nested sort when a non-nested sort is expected (or vice versa) can be perceived as incorrect. Sorting when there are multiple panes can also give results that seem unsorted.

For example, this view may look like it has not been sorted when in fact it is sorted on Hue by Metric A.

Simplifying the view makes the sort more obvious.

Hovering over the sort icons to see the description of the sort or temporarily simplifying the view can help clarify what is going on.

Clear sorts

Sorting can be done from a variety of places in the authoring environment. Although there are icons in the view and on the fields that indicate where a sort is applied, it can sometimes be useful to clear all sorts at once.

To remove the sort on a specific field, right click to open the menu and select Clear Sort.

To remove all sorts in the view, open the menu next to the clear sheet icon in the toolbar and select Clear Sorts. Alternatively, go to Worksheet > Clear > Sorts.

Remove the ability to sort

As an author, you can disable the sort icons in published content. This can be useful to preserve the visualization’s sort as you built it. Navigate to the Worksheet menu and uncheck the option to Show Sort Controls. This will prevent the sort icons from appearing when a consumer of the view hovers over an axis, header, or field label.

Hiding field labels, headers, or the axis will also remove the sort icons.