LEXICON Command
Reference Manual
Database Views
:
Database View Elements and Attributes
: EXPCOL Attributes
EXPCOL Attributes
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.
1974 to current year.
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