Firebird Documentation IndexFirebird 2.0 Language Ref. UpdateDDL statements → ALTER EXTERNAL FUNCTION
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ALTER EXTERNAL FUNCTION

Available in: DSQL

Added in: 2.0

Description: Alters an external function's module name and/or entry point. Existing dependencies are preserved.

Syntax: 

ALTER EXTERNAL FUNCTION funcname
   <modification> [<modification>]

<modification>  ::=  ENTRY_POINT 'new-entry-point'
                     | MODULE_NAME 'new-module-name'

Example: 

alter external function Phi module_name 'NewUdfLib'
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Firebird Documentation IndexFirebird 2.0 Language Ref. UpdateDDL statements → ALTER EXTERNAL FUNCTION