box.schema.user.exists() | Tarantool
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Version:

2.11
Reference Built-in modules reference Module box Submodule box.schema box.schema.user.exists()

box.schema.user.exists()

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

Return true if a user exists; return false if a user does not exist. For explanation of how Tarantool maintains user data, see section Users and reference on _user space.

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

bool

Example:

box.schema.user.exists('Lena')
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box.schema.user.drop()
box.schema.user.grant()
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