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Query Column Properties
There are two kinds of columns in a query: table columns and computed columns, the properties of which are listed as follows. Note that, all the properties are read only for table columns, and some are editable for computed columns.
The properties of a query column are as follows:
| Property Name | Description |
|---|---|
| Array | Specifies whether the column is an array type or not.
Data type: Boolean |
| Column Name | Indicates the name of the column in the raw database. This property is read only. |
| Currency | Displays whether to control the SQL type of formulas or summaries in which the BigDecimal type fields are imported.
Data type: Boolean |
| Description | Specifies the description of the column.
Data type: String |
| Display Width | Specifies the display width of the column.
Data type: Float Notes:
|
| Expression | Specifies the statement of the formula. Available to computed column only.
Data type: String |
| Name | Shows the display name of the column. This property is read only. |
| Nullable | Specifies the nullability of the column's value.
Data type: Enumeration |
| Precision | Specifies the precision of the column's value. The default value comes from data source meta data and it specifies the column's largest number of digits.
Data type: Integer |
| Scale | Specifies the number of digits to the right of the decimal point for the column's value.
Data type: Integer |
| SQL Type | Specifies the SQL type of the column defined in Java. Choose an option from the drop-down list.
Data type: Integer |