Grouping Considerations
In the current release, Grouping has a list of considerations:
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If segments are inserted or removed within a grouping, the grouping will be removed. However, if segments are inserted or removed before or after the outer-most grouping, the existing grouping is left unchanged.
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If there are multiple groupings on the row axis, if an inner layer grouping is removed, any groupings on the outer layers will also be removed. If an outer layer grouping is removed, any groupings on inner layers will not be affected.
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You cannot group on the row axis that only has a single Attribute selected in the columns.
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You cannot group on the innermost layer of a column attribute.
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If you add, remove or move Attributes in the columns, any groupings on the row will be removed.
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When moving column attributes that are in a grouping, the grouping will be removed during the move.
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When pasting segments (which are sourced from a copy or move segment action) within a group of segments, the grouping will be removed (same as doing an insert within a grouping).
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A data row segment can be in a group by itself (without any associated text/formula/separator segments). However, the only use for this would be to allow each group to start on a new printed page in PDF output.
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The Page Break property cannot be set on rows which are part of a group.
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You cannot chart against grouped rows. A validation error will occur if a chart includes references to row which are part of a group. The chart can contain references to a table that has groupings as long as the chart does not attempt to chart against the rows which are grouped.