DROP INDEX
Synopsis
Use the DROP INDEX
statement to remove an index and all of its data from the database.
Syntax
Diagram
Grammar
drop_index ::= DROP INDEX [ IF EXISTS ] index_name;
Where
index_name
is an identifier (possibly qualified with a keyspace name).
Semantics
- An error is raised if the specified
index_name
does not exist unlessIF EXISTS
option is present. - Associated objects to
index_name
such as prepared statements will be eventually invalidated after the drop statement is completed.
Examples
ycqlsh:example> CREATE TABLE users(id INT PRIMARY KEY, name TEXT) WITH transactions = { 'enabled' : true };
ycqlsh:example> CREATE INDEX users_by_name ON users(name);
ycqlsh:example> DROP INDEX users_by_name;