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box.schema.func.exists() | Tarantool
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box.schema.func.exists()

box.schema.func.exists()

box.schema.func.exists(func-name)

Return true if a function tuple exists; return false if a function tuple does not exist.

Parameters:
  • func-name (string) – the name of the function
Rtype:

bool

Example:

box.schema.func.exists('calculate')