INDEX-EXISTS-P

INDEX-EXISTS-P
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Name

INDEX-EXISTS- — Tests for the existence of a database index.Function

Syntax

      index-exists-p name &key owner database => result

Arguments and Values

name: The name of the index as a string, symbol or SQL expression.
owner: A string, NIL or :all.
database: A database object which defaults to *default-database*.
result: A Boolean.

Description

Tests for the existence of an SQL index called name in database which defaults to *default-database*. owner is NIL by default which means that only indexes owned by users are examined. If owner is a string denoting a user name, only indexes owned by owner are examined. If owner is :all then all indexes are examined.

Examples

(index-exists-p [bar])
=> T

Side Effects

None.

Affected by

*default-database*

Exceptional Situations