Catalog.FunctionExists Method
Definition
Important
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Overloads
FunctionExists(String) |
Check if the function with the specified name exists. |
FunctionExists(String, String) |
Check if the function with the specified name exists in the specified database. If you
want to check if a built-in function exists specify the dbName as null or use
|
FunctionExists(String)
Check if the function with the specified name exists. FunctionsExists
includes in-built
functions such as abs
. To see if a built-in function exists you must use the
unqualified name. If you create a function you can use the qualified name.
public bool FunctionExists (string functionName);
member this.FunctionExists : string -> bool
Public Function FunctionExists (functionName As String) As Boolean
Parameters
- functionName
- String
Is either a qualified or unqualified name that designates a function. If no database identifier is provided, it refers to a function in the current database.
Returns
bool, true if the function exists and false it is does not.
Applies to
FunctionExists(String, String)
Check if the function with the specified name exists in the specified database. If you
want to check if a built-in function exists specify the dbName as null or use
FunctionExists(functionName)
.
public bool FunctionExists (string dbName, string functionName);
member this.FunctionExists : string * string -> bool
Public Function FunctionExists (dbName As String, functionName As String) As Boolean
Parameters
- dbName
- String
Is a name that designates a database.
- functionName
- String
Is an unqualified name that designates a function.
Returns
bool, true if the function exists and false it is does not.