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From: Anton Shepelev <anton.txt@g{oogle}mail.com>
Newsgroups: comp.databases.ms-sqlserver
Subject: Parameters with default values in functions
Date: Fri, 1 Mar 2024 13:53:10 +0300
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Hello, all

MSSQL allows default values in parameters to functions:

  CREATE FUNCTION test( @v INT = 1 )
  RETURNS TABLE AS
  RETURN  ( SELECT @v AS v )

but will not let me use them -- the invocation

  SELECT * FROM test()

fails with:

  An insufficient number of arguments were supplied for the
  procedure or function test.

The documentation says it should work:

  -- Transact-SQL Inline Table-Valued Function Syntax
  CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name
  ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL ]
      [ = default ] [ READONLY ] }
      [ ,...n ]
    ]
  )

  The value of each declared parameter must be supplied by
  the user when the function is executed, unless a default
  for the parameter is defined.

What am I doing wrong on my MSSQL v. 13?

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