diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb | 48 |
1 files changed, 40 insertions, 8 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb index 104ca54793..99a3e99bdc 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -985,11 +985,23 @@ module ActiveRecord end def dump_schema_information #:nodoc: + versions = ActiveRecord::SchemaMigration.order('version').pluck(:version) + insert_versions_sql(versions) + end + + def insert_versions_sql(versions) # :nodoc: sm_table = ActiveRecord::Migrator.schema_migrations_table_name - sql = "INSERT INTO #{sm_table} (version) VALUES " - sql << ActiveRecord::SchemaMigration.order('version').pluck(:version).map {|v| "('#{v}')" }.join(', ') - sql << ";\n\n" + if supports_multi_insert? + sql = "INSERT INTO #{sm_table} (version) VALUES " + sql << versions.map {|v| "('#{v}')" }.join(', ') + sql << ";\n\n" + sql + else + versions.map { |version| + "INSERT INTO #{sm_table} (version) VALUES ('#{version}');" + }.join "\n\n" + end end # Should not be called normally, but this operation is non-destructive. @@ -1026,7 +1038,7 @@ module ActiveRecord if (duplicate = inserting.detect {|v| inserting.count(v) > 1}) raise "Duplicate migration #{duplicate}. Please renumber your migrations to resolve the conflict." end - execute "INSERT INTO #{sm_table} (version) VALUES #{inserting.map {|v| "('#{v}')"}.join(', ') }" + execute insert_versions_sql(inserting) end end @@ -1098,15 +1110,19 @@ module ActiveRecord Table.new(table_name, base) end - def add_index_options(table_name, column_name, comment: nil, **options) #:nodoc: - column_names = Array(column_name) + def add_index_options(table_name, column_name, comment: nil, **options) # :nodoc: + if column_name.is_a?(String) && /\W/ === column_name + column_names = column_name + else + column_names = Array(column_name) + end options.assert_valid_keys(:unique, :order, :name, :where, :length, :internal, :using, :algorithm, :type) index_type = options[:type].to_s if options.key?(:type) index_type ||= options[:unique] ? "UNIQUE" : "" index_name = options[:name].to_s if options.key?(:name) - index_name ||= index_name(table_name, column: column_names) + index_name ||= index_name(table_name, index_name_options(column_names)) max_index_length = options.fetch(:internal, false) ? index_name_length : allowed_index_name_length if options.key?(:algorithm) @@ -1162,6 +1178,8 @@ module ActiveRecord # Overridden by the MySQL adapter for supporting index lengths def quoted_columns_for_index(column_names, options = {}) + return [column_names] if column_names.is_a?(String) + option_strings = Hash[column_names.map {|name| [name, '']}] # add index sort order if supported @@ -1173,6 +1191,8 @@ module ActiveRecord end def index_name_for_remove(table_name, options = {}) + return options[:name] if can_remove_index_by_name?(options) + # if the adapter doesn't support the indexes call the best we can do # is return the default index name for the options provided return index_name(table_name, options) unless respond_to?(:indexes) @@ -1180,7 +1200,7 @@ module ActiveRecord checks = [] if options.is_a?(Hash) - checks << lambda { |i| i.name == options[:name].to_s } if options.has_key?(:name) + checks << lambda { |i| i.name == options[:name].to_s } if options.key?(:name) column_names = Array(options[:column]).map(&:to_s) else column_names = Array(options).map(&:to_s) @@ -1235,6 +1255,14 @@ module ActiveRecord AlterTable.new create_table_definition(name) end + def index_name_options(column_names) # :nodoc: + if column_names.is_a?(String) + column_names = column_names.scan(/\w+/).join('_') + end + + { column: column_names } + end + def foreign_key_name(table_name, options) # :nodoc: identifier = "#{table_name}_#{options.fetch(:column)}_fk" hashed_identifier = Digest::SHA256.hexdigest(identifier).first(10) @@ -1256,6 +1284,10 @@ module ActiveRecord default_or_changes end end + + def can_remove_index_by_name?(options) + options.is_a?(Hash) && options.key?(:name) && options.except(:name, :algorithm).empty? + end end end end |