Class: Arc::DataStores::ObjectDefinitions::SqliteTable

Inherits:
Table
  • Object
show all
Defined in:
lib/arc/data_stores/sqlite/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(column_name) ⇒ Object 



30
31
32
33
34
35
36
37
38
39
40
 
# File 'lib/arc/data_stores/sqlite/object_definitions.rb', line 30

def fetch_item column_name
  c = raw_column_data.select {|c| c[:name] == column_name.to_s }.first || {}
  c = {
    name: c[:name],
    allows_null: c[:notnull] == 0,
    default: c[:dflt_value],
    primary_key: c[:pk] == 1,
    type: c[:type]
  }
  SqliteColumn.new @data_store, c
end

#fetch_keys ⇒ Object 



27
28
29
 
# File 'lib/arc/data_stores/sqlite/object_definitions.rb', line 27

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

#raw_column_data ⇒ Object 



22
23
24
25
26
 
# File 'lib/arc/data_stores/sqlite/object_definitions.rb', line 22

def raw_column_data
  @rcd ||= @data_store.read "    PRAGMA table_info('\#{@name}');        \n  SQL\nend\n"