User`s guide

attr

7-5

colnum — Column number

scalar

Column number, specified as a scalar to denote the column in the fetched data set curs

for retrieving attribute information.

Data Types: double

Output Arguments

attributes — Attribute data

structure array

Attribute data, returned as a structure array containing attribute information for each

column in the fetch data set curs. The following attributes are available.

Attribute Description

fieldName Name of the column.

typeName Data type.

typeValue Numerical representation of the data type.

columnWidth Size of the field.

precision Precision value for floating and double data types; an

empty value is returned for strings.

scale Precision value for real and numeric data types; an empty

value is returned for strings.

currency If this equals true, the data format is currency.

readOnly If this equals true, the data cannot be overwritten.

nullable If this equals true, the data can be NULL.

Message Error message returned by fetch.