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The Expression object represents a named expression that can be used by one or more partitions. It is a child of a Model object and requires compatibility level 1400 or higher.<82>
The Expression object has the following properties.
|
Name |
Type |
Description |
|---|---|---|
|
ID |
unsignedLong |
A reference to the object. |
|
ModelID |
unsignedLong |
An ID-based reference to a Model object. |
|
Name |
string |
The name of the object. |
|
Description |
string |
The description of the object. |
|
Kind |
enumeration |
The kind of the expression. The possible values are as follows:
|
|
Expression |
string |
The descriptive text of the expression. |
|
ModifiedTime |
dateTime |
The time that the object was last modified. |
|
QueryGroupID<83> |
unsignedLong |
An ID-based reference to a QueryGroup object. Compatibility level 1500 or higher is required. |
|
ParameterValuesColumnID<84> |
unsignedLong |
An ID-based reference to a Column object. Compatibility level 1600 or higher is required. |
|
MAttributes<85> |
string |
A set of optional properties that can be used to define the literal attributes on the section members of the M queries. Compatibility level 1600 or higher is required. |
|
LineageTag<86> |
string |
An optional tag that can be used to define the lineage of an expression across different versions of a model. Compatibility level 1600 or higher is required. |
|
SourceLineageTag<87> |
string |
An optional tag that can be used to define the lineage of a referenced expression across different versions of a model. As opposed to LineageTag, SourceLineageTag can be used to define the lineage of a referenced expression rather than an expression itself. SourceLineageTag is useful when a model references other models by using a Direct Query connection. Compatibility level 1600 or higher is required. |