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

Version:

2.11

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