Class: Peatio::Sql::Schema

Inherits:
Object
  • Object
show all
Defined in:
lib/peatio/sql/schema.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sql_client) ⇒ 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(options = {})
  statements = []
  statements << "DROP TABLE IF EXISTS `operations`;" if options[:drop_if_exists]
  statements << "CREATE TABLE IF NOT EXISTS `operations` (\nid              INT UNSIGNED NOT NULL AUTO_INCREMENT,\ncode            TINYINT UNSIGNED NOT NULL,\naccount_id      INT UNSIGNED NOT NULL,\nreference       INT UNSIGNED NOT NULL,\ndebit           DECIMAL(32, 16) NOT NULL,\ncredit          DECIMAL(32, 16) NOT NULL,\ncreated_at      DATETIME NOT NULL,\nupdated_at      DATETIME NOT NULL,\nPRIMARY KEY     (id),\nINDEX `balance_key` (account_id, debit, credit)\n) ENGINE = InnoDB;\n"

  statements << "DROP TABLE IF EXISTS `orders`;" if options[:drop_if_exists]
  statements << "CREATE TABLE IF NOT EXISTS`orders` (\n  `id`          INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n  `uid`         INT(11) UNSIGNED NOT NULL,\n  `bid`         VARCHAR(5) NOT NULL,\n  `ask`         VARCHAR(5) NOT NULL,\n  `market`      VARCHAR(10) NOT NULL,\n  `price`       DECIMAL(32,16) DEFAULT NULL,\n  `volume`      DECIMAL(32,16) NOT NULL,\n  `fee`         DECIMAL(32,16) NOT NULL DEFAULT '0.0000000000000000',\n  `type`        TINYINT UNSIGNED NOT NULL,\n  `state`       TINYINT UNSIGNED NOT NULL,\n  `created_at`  DATETIME NOT NULL,\n  `updated_at`  DATETIME NOT NULL,\n  PRIMARY KEY (`id`)\n) ENGINE=InnoDB DEFAULT CHARSET=utf8;\n"

  statements << "DROP TABLE IF EXISTS `trades`;" if options[:drop_if_exists]
  statements << "CREATE TABLE IF NOT EXISTS `trades` (\n  `id`          int(11) NOT NULL AUTO_INCREMENT,\n  `market`      varchar(10) NOT NULL,\n  `volume`      decimal(32,16) NOT NULL,\n  `price`       decimal(32,16) NOT NULL,\n  `ask_id`      int(11) NOT NULL,\n  `bid_id`      int(11) NOT NULL,\n  `ask_uid`     int(11) NOT NULL,\n  `bid_uid`     int(11) NOT NULL,\n  `created_at` datetime NOT NULL,\n  `updated_at` datetime NOT NULL,\n  PRIMARY KEY (`id`)\n) ENGINE=InnoDB DEFAULT CHARSET=utf8;\n"
  statements.each do |statement|
    puts statement
    client.query(statement)
  end
end