Class: Arc::DataStores::ObjectDefinitions::MysqlTable

Inherits:
Table
  • Object
show all
Defined in:
lib/arc/data_stores/mysql/object_definitions.rb

Instance Attribute Summary

Attributes inherited from Table

#name

Instance Method Summary collapse

Methods inherited from Table

#initialize

Constructor Details

This class inherits a constructor from Arc::DataStores::ObjectDefinitions::Table

Instance Method Details

#fetch_item(name) ⇒ Object 



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# File 'lib/arc/data_stores/mysql/object_definitions.rb', line 40

def fetch_item name
  c = raw_column_data.find{|c| c[:Field] == name.to_s}
  throw "Column '#{name}' does not exist" unless keys.include? name.to_sym
  MysqlColumn.new @data_store,{
    name: c[:Field],
    allows_null: c[:Null] == "YES",
    default: c[:Default],
    primary_key: c[:Key] == "PRI",
    type: c[:Type]
  }
end

#fetch_keys ⇒ Object 



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# File 'lib/arc/data_stores/mysql/object_definitions.rb', line 37

def fetch_keys
  raw_column_data.map {|c| c[:Field].to_sym }
end

#raw_column_data ⇒ Object 



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# File 'lib/arc/data_stores/mysql/object_definitions.rb', line 32

def raw_column_data
  @data_store.read("show fields from #{self.name}").each do |r|
    r
  end
end