diff options
Diffstat (limited to 'activerecord/lib/active_record')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/schema_cache.rb | 13 | ||||
| -rw-r--r-- | activerecord/lib/active_record/errors.rb | 4 | ||||
| -rw-r--r-- | activerecord/lib/active_record/model_schema.rb | 3 |
3 files changed, 12 insertions, 8 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/schema_cache.rb b/activerecord/lib/active_record/connection_adapters/schema_cache.rb index 218d6c168a..5da26171bb 100644 --- a/activerecord/lib/active_record/connection_adapters/schema_cache.rb +++ b/activerecord/lib/active_record/connection_adapters/schema_cache.rb @@ -27,7 +27,6 @@ module ActiveRecord def encode_with(coder) coder["columns"] = @columns - coder["columns_hash"] = @columns_hash coder["primary_keys"] = @primary_keys coder["data_sources"] = @data_sources coder["indexes"] = @indexes @@ -37,7 +36,7 @@ module ActiveRecord def init_with(coder) @columns = coder["columns"] - @columns_hash = coder["columns_hash"] + @columns_hash = {} @primary_keys = coder["primary_keys"] @data_sources = coder["data_sources"] @indexes = coder["indexes"] || {} @@ -79,9 +78,7 @@ module ActiveRecord # Get the columns for a table as a hash, key is the column name # value is the column object. def columns_hash(table_name) - @columns_hash[table_name] ||= Hash[columns(table_name).map { |col| - [col.name, col] - }] + @columns_hash[table_name] ||= columns(table_name).index_by(&:name) end # Checks whether the columns hash is already cached for a table. @@ -124,15 +121,15 @@ module ActiveRecord def marshal_dump # if we get current version during initialization, it happens stack over flow. @version = connection.migration_context.current_version - [@version, @columns, @columns_hash, @primary_keys, @data_sources, @indexes, database_version] + [@version, @columns, {}, @primary_keys, @data_sources, @indexes, database_version] end def marshal_load(array) - @version, @columns, @columns_hash, @primary_keys, @data_sources, @indexes, @database_version = array + @version, @columns, _columns_hash, @primary_keys, @data_sources, @indexes, @database_version = array @indexes ||= {} + @columns_hash = {} @columns = deep_deduplicate(@columns) - @columns_hash = deep_deduplicate(@columns_hash) @primary_keys = deep_deduplicate(@primary_keys) @data_sources = deep_deduplicate(@data_sources) @indexes = deep_deduplicate(@indexes) diff --git a/activerecord/lib/active_record/errors.rb b/activerecord/lib/active_record/errors.rb index 60cf9818c1..c8c06375a3 100644 --- a/activerecord/lib/active_record/errors.rb +++ b/activerecord/lib/active_record/errors.rb @@ -38,6 +38,10 @@ module ActiveRecord class AdapterNotSpecified < ActiveRecordError end + # Raised when a model makes a query but it has not specified an associated table. + class TableNotSpecified < ActiveRecordError + end + # Raised when Active Record cannot find database adapter specified in # +config/database.yml+ or programmatically. class AdapterNotFound < ActiveRecordError diff --git a/activerecord/lib/active_record/model_schema.rb b/activerecord/lib/active_record/model_schema.rb index 2a45f63d64..18f19af6be 100644 --- a/activerecord/lib/active_record/model_schema.rb +++ b/activerecord/lib/active_record/model_schema.rb @@ -482,6 +482,9 @@ module ActiveRecord end def load_schema! + unless table_name + raise ActiveRecord::TableNotSpecified, "#{self} has no table configured. Set one with #{self}.table_name=" + end @columns_hash = connection.schema_cache.columns_hash(table_name).except(*ignored_columns) @columns_hash.each do |name, column| define_attribute( |