diff options
Diffstat (limited to 'activerecord/lib/active_record')
4 files changed, 21 insertions, 8 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb b/activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb index 20de8d1982..0b218f2bfd 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb @@ -91,8 +91,9 @@ module ActiveRecord end def add_item_to_array(array, current_item, quoted) - if current_item.length == 0 - elsif !quoted && current_item == 'NULL' + return if !quoted && current_item.length == 0 + + if !quoted && current_item == 'NULL' array.push nil else array.push current_item diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb index 571257f6dd..ae8ede4b42 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -126,6 +126,19 @@ module ActiveRecord SQL end + def index_name_exists?(table_name, index_name, default) + exec_query(<<-SQL, 'SCHEMA').rows.first[0].to_i > 0 + SELECT COUNT(*) + FROM pg_class t + INNER JOIN pg_index d ON t.oid = d.indrelid + INNER JOIN pg_class i ON d.indexrelid = i.oid + WHERE i.relkind = 'i' + AND i.relname = '#{index_name}' + AND t.relname = '#{table_name}' + AND i.relnamespace IN (SELECT oid FROM pg_namespace WHERE nspname = ANY (current_schemas(false)) ) + SQL + end + # Returns an array of indexes for the given table. def indexes(table_name, name = nil) result = query(<<-SQL, 'SCHEMA') diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb index 6303fe5ee4..d691192cfd 100644 --- a/activerecord/lib/active_record/core.rb +++ b/activerecord/lib/active_record/core.rb @@ -138,12 +138,12 @@ module ActiveRecord # class Post < ActiveRecord::Base # scope :published_and_commented, -> { published.and(self.arel_table[:comments_count].gt(0)) } # end - def arel_table + def arel_table # :nodoc: @arel_table ||= Arel::Table.new(table_name, arel_engine) end # Returns the Arel engine. - def arel_engine + def arel_engine # :nodoc: @arel_engine ||= if Base == self || connection_handler.retrieve_connection_pool(self) self diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index 860063426a..077f09b67d 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -824,11 +824,12 @@ module ActiveRecord end # Returns the Arel object associated with the relation. - def arel + def arel # :nodoc: @arel ||= build_arel end - # Like #arel, but ignores the default scope of the model. + private + def build_arel arel = Arel::SelectManager.new(table.engine, table) @@ -854,8 +855,6 @@ module ActiveRecord arel end - private - def symbol_unscoping(scope) if !VALID_UNSCOPING_VALUES.include?(scope) raise ArgumentError, "Called unscope() with invalid unscoping argument ':#{scope}'. Valid arguments are :#{VALID_UNSCOPING_VALUES.to_a.join(", :")}." |