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

Returns a new instance of Schema.



5
6
7
 
# 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.



3
4
5
 
# File 'lib/peatio/sql/schema.rb', line 3

def client
  @client
end

Instance Method Details

#create_database(name) ⇒ Object 



9
10
11
 
# 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 



13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
 
# 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