Shahzad Bhatti

December 23, 2007

Released ErlSDB 0.1

Filed under: Erlang,SimpleDB,Web Services — admin @ 7:09 pm

I started working on an Erlang library to access Amazon’s SimpleDB web service and I released an early version of the library this weekend. Here are some notes on its usage:
Installing

svn checkout http://erlsdb.googlecode.com/svn/trunk/ erlsdb-read-only

Building

make

Testing

edit Makefile and add access key and secret key, then type make test

Usage

Take a look at test/erlsdb_test.erl to learn usage, here is a sample code

Starting Server

erlsdb:start(type,
    	[#sdb_state{
		access_key = "YourAccessKey",
		secret_key = "YourSecretKey",
		domain = "YourDomain"
		}
	])

Creating Domain

    erlsdb:create_domain()

Note that the server will use the domain that was passed during initialization.

Listing all Domains

    {ok, List, _} = erlsdb:list_domains()

Deleting Domain

    erlsdb:delete_domain()

Adding an item

    Attributes = lists:sort([
	["StreetAddress", "705 5th Ave"],
        ["City", "Seattle"],
        ["State", "WA"],
        ["Zip", "98101"]
	]),
    erlsdb:put_attributes("TccAddr", Attributes)

Retrieving an item

    {ok, UnsortedAttrs} = erlsdb:get_attributes("TccAddr")

Deleting an item

    erlsdb:delete_attributes("TccAddr"),

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