ALLBASE/SQL Reference Manual (36216-90216)

Chapter 8 251
Expressions
Long Column Functions
Long Column Functions
Long column functions return information from the long column descriptor.
Scope
SQL Data Manipulation Statements
SQL Syntax
{ OUTPUT_DEVICE( LongColumnName )
OUTPUT_NAME( LongColumnName )}
Parameters
OUTPUT_DEVICE returns an integer value indicating the output device type stored in the
long column descriptor for
LongColumnName . The values returned are
shown in the table below:
OUTPUT_NAME returns the output device name stored in the long column descriptor for
LongColumnName . The string returned is a 44 byte value.
LongColumnName is the name of the column that has a long data type (LONG BINARY or
LONG VARBINARY).
Description
• The long column functions can appear in the select list or search condition of an SQL
data manipulation statement.
• The long column functions are useful when you need information about the long column
descriptors, but do not want to fetch the data.
• For more information on long column data types, see the "Data Types" chapter.
• Referencing a LONG column in a LONG column function does not cause the LONG
data to be written out to the output device.
Value Returned Output Device Type
0 none specified
1 system file
2 shared memory