Class: Peatio::Sql::Schema
- Inherits:
-
Object
- Object
- Peatio::Sql::Schema
- Defined in:
- lib/peatio/sql/schema.rb
Instance Attribute Summary collapse
-
#client ⇒ Object
Returns the value of attribute client.
Instance Method Summary collapse
- #create_database(name) ⇒ Object
- #create_tables(options = {}) ⇒ Object
-
#initialize(sql_client) ⇒ Schema
constructor
A new instance of Schema.
Constructor Details
#initialize(sql_client) ⇒ Schema
Returns a new instance of Schema.
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# File 'lib/peatio/sql/schema.rb', line 5 def initialize(sql_client) @client = sql_client end |
Instance Attribute Details
#client ⇒ Object
Returns the value of attribute client.
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# File 'lib/peatio/sql/schema.rb', line 3 def client @client end |
Instance Method Details
#create_database(name) ⇒ Object
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# File 'lib/peatio/sql/schema.rb', line 9 def create_database(name) client.query("CREATE DATABASE IF NOT EXISTS `#{ name }`;") end |
#create_tables(options = {}) ⇒ Object
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# File 'lib/peatio/sql/schema.rb', line 13 def create_tables( = {}) statements = [] statements << "DROP TABLE IF EXISTS `operations`;" if [:drop_if_exists] statements << <<-EOF CREATE TABLE IF NOT EXISTS `operations` ( id INT UNSIGNED NOT NULL AUTO_INCREMENT, code TINYINT UNSIGNED NOT NULL, account_id INT UNSIGNED NOT NULL, reference INT UNSIGNED NOT NULL, debit DECIMAL(32, 16) NOT NULL, credit DECIMAL(32, 16) NOT NULL, created_at DATETIME NOT NULL, updated_at DATETIME NOT NULL, PRIMARY KEY (id), INDEX `balance_key` (account_id, debit, credit) ) ENGINE = InnoDB; EOF statements << "DROP TABLE IF EXISTS `orders`;" if [:drop_if_exists] statements << <<EOF CREATE TABLE IF NOT EXISTS`orders` ( `id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, `uid` INT(11) UNSIGNED NOT NULL, `bid` VARCHAR(5) NOT NULL, `ask` VARCHAR(5) NOT NULL, `market` VARCHAR(10) NOT NULL, `price` DECIMAL(32,16) DEFAULT NULL, `volume` DECIMAL(32,16) NOT NULL, `fee` DECIMAL(32,16) NOT NULL DEFAULT '0.0000000000000000', `type` TINYINT UNSIGNED NOT NULL, `state` TINYINT UNSIGNED NOT NULL, `created_at` DATETIME NOT NULL, `updated_at` DATETIME NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; EOF statements << "DROP TABLE IF EXISTS `trades`;" if [:drop_if_exists] statements << <<EOF CREATE TABLE IF NOT EXISTS `trades` ( `id` int(11) NOT NULL AUTO_INCREMENT, `market` varchar(10) NOT NULL, `volume` decimal(32,16) NOT NULL, `price` decimal(32,16) NOT NULL, `ask_id` int(11) NOT NULL, `bid_id` int(11) NOT NULL, `ask_uid` int(11) NOT NULL, `bid_uid` int(11) NOT NULL, `created_at` datetime NOT NULL, `updated_at` datetime NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; EOF statements.each do |statement| puts statement client.query(statement) end end |