EXPCOL Attributes
- Last UpdatedDec 20, 2021
- 1 minute read
EXPCOL elements have the following attributes:
|
UDNA |
The user requested name for the column. If name clashes occur with other columns defined in the Database View then (n) may be added when displayed to the end of the requested name to provide a unique name. |
|
DESC |
The description for the column. |
|
EXPR |
The expression to execute to get the column value. The expression must be a valid PML 1 or XPath 1 expression. XPath expressions must be formed to match the xmlio object output using the default copy stylesheet. |
|
EXPTYP |
The syntax of EXPR, this is either PML or XPATH. If unset PML is assumed. |
|
UTYP |
The data type of the column. If this is not set correctly an error will be displayed. This must be one of INT, REAL, TEXT, REF, LOG, WORD, POS, DIR or ORI. Array results are not supported by expression columns. |