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 PACKAGE BODYSEQUENCE 

Examples of DECLARE FILTER

  1. Creating a BLOB filter using subtype numbers.

    DECLARE FILTER DESC_FILTER
  INPUT_TYPE 1
  OUTPUT_TYPE -4
  ENTRY_POINT 'desc_filter'
  MODULE_NAME 'FILTERLIB';

  2. Creating a BLOB filter using subtype mnemonic names.

    DECLARE FILTER FUNNEL
  INPUT_TYPE blr OUTPUT_TYPE text
  ENTRY_POINT 'blr2asc' MODULE_NAME 'myfilterlib';
See also

[fblangref50-ddl-filter-drop]

DROP FILTER

Drops a BLOB filter declaration from the current database

Available in

DSQL, ESQL

Syntax
DROP FILTER filtername
Table 1. DROP FILTER Statement Parameter
Parameter Description

filtername

Filter name in the database

The DROP FILTER statement removes the declaration of a BLOB filter from the database.Removing a BLOB filter from a database makes it unavailable for use from that database.The dynamic library where the conversion function is located remains intact and the removal from one database does not affect other databases in which the same BLOB filter is still declared.