Use subscripted expressions to access elements in a multi-element value, such as a map collection by using operator
. Subscripted column expressions can be used when writing the same way as a column expression . For example, if
ids refers to a column of type
ids refers to the third element of the list
ids, which can be set in an UPDATE statement.
cqlsh:yugaspace> CREATE TABLE t(id INT PRIMARY KEY,yugamap MAP<TEXT, TEXT>);
cqlsh:yugaspace> UPDATE yugatab SET map_value['key_value'] = 'yuga_string' WHERE id = 7;