| Class | ActiveRecord::ConnectionAdapters::SQLiteAdapter |
| In: |
vendor/rails/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
|
| Parent: | AbstractAdapter |
The SQLite adapter works with both the 2.x and 3.x series of SQLite with the sqlite-ruby drivers (available both as gems and from rubyforge.org/projects/sqlite-ruby/).
Options:
| remove_column | -> | remove_columns |
# File vendor/rails/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb, line 87
87: def disconnect!
88: super
89: @connection.close rescue nil
90: end
# File vendor/rails/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb, line 258
258: def empty_insert_statement(table_name)
259: "INSERT INTO #{table_name} VALUES(NULL)"
260: end
# File vendor/rails/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb, line 213
213: def rename_table(name, new_name)
214: execute "ALTER TABLE #{name} RENAME TO #{new_name}"
215: end
# File vendor/rails/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb, line 83
83: def requires_reloading?
84: true
85: end
# File vendor/rails/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb, line 149
149: def select_rows(sql, name = nil)
150: execute(sql, name).map do |row|
151: (0...(row.size / 2)).map { |i| row[i] }
152: end
153: end
# File vendor/rails/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb, line 360
360: def catch_schema_changes
361: return yield
362: rescue ActiveRecord::StatementInvalid => exception
363: if exception.message =~ /database schema has changed/
364: reconnect!
365: retry
366: else
367: raise
368: end
369: end
# File vendor/rails/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb, line 375
375: def default_primary_key_type
376: if supports_autoincrement?
377: 'INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL'.freeze
378: else
379: 'INTEGER PRIMARY KEY NOT NULL'.freeze
380: end
381: end
# File vendor/rails/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb, line 371
371: def sqlite_version
372: @sqlite_version ||= select_value('select sqlite_version(*)')
373: end
# File vendor/rails/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb, line 275
275: def table_structure(table_name)
276: returning structure = execute("PRAGMA table_info(#{quote_table_name(table_name)})") do
277: raise(ActiveRecord::StatementInvalid, "Could not find table '#{table_name}'") if structure.empty?
278: end
279: end