MysqlBlobStreaming
A blob streaming extension for the native Ruby-MySQL2 adaptor.
It provides the class MysqlBlobStreaming, which gives the mysql2 adaptor the ability
of streaming blobs right out of the MySQL database.
(c) 2008-2012 Infopark AG. See MIT-LICENSE for licensing details.
Usage
require 'mysql_blob_streaming'
require 'mysql2'
client = Mysql2::Client.new(...)
query = "SELECT data FROM table_name WHERE id = '23'"
buffer_size = 1024000 # number of bytes per chunk
MysqlBlobStreaming.stream(client, query, buffer_size) do |chunk|
# do something with the chunk e.g. write it to file.
end
Dependencies
- Ruby-headers
- MySQL-headers
- mysql2 Gem
Building
gem build mysql_blob_streaming.gemspec
Installation
Install it like any other Gem:
gem install mysql_blob_streaming-X.X.X.gem
Run it with root privileges if needed.
Development/Tests
rake