11 Dynamo DB
| (require (planet gh/aws:1:=4/dynamo)) |
Dynamo is Amazon’s newer "NoSQL" service.
parameter
(dynamo-endpoint v) → void? v : endpoint?
parameter
(dynamo-region) → string?
(dynamo-region v) → void? v : string?
Set the region for the service. Defaults to "us-east-1".
value
attribute-type/c : (or/c "S" "N" "B")
A contract for Dynamo attribute types (string, number, base64 binary).
procedure
(create-table name read-units write-units hash-key-name hash-key-type [ range-key-name range-key-type]) → jsexpr? name : string? read-units : exact-positive-integer? write-units : exact-positive-integer? hash-key-name : string? hash-key-type : attribute-type/c range-key-name : string? = #f range-key-type : attribute-type/c = #f
Create a table.
procedure
(delete-table name) → jsexpr?
name : string?
Delete a table.
procedure
(describe-table name) → jsexpr?
name : string?
Describe a table.
procedure
(list-tables #:limit limit #:from from) → jsexpr?
limit : #f from : #f
List at most limit tables, starting with the table name
from (if continuing a listing that had previously stopped at
limit).
procedure
js : jsexpr?
procedure
js : jsexpr?
procedure
(delete-item js) → jsexpr?
js : jsexpr?
procedure
(update-item js) → jsexpr?
js : jsexpr?
procedure
(batch-get-item js) → jsexpr?
js : jsexpr?
procedure
(batch-write-item js) → jsexpr?
js : jsexpr?
procedure
js : jsexpr?
procedure
js : jsexpr?
procedure
(update-table js) → jsexpr?
js : jsexpr?
The remaining functions accept JSON which you must construct yourself
in the form of a jsexpr?. The variation in the JSON is
sufficient that wrapping them in some arbitrary Racket structure
doesn’t provide added value. Instead, please see the Dynamo
documentation for these similarly-named functions.