diff options
Diffstat (limited to 'activerecord/lib')
6 files changed, 37 insertions, 35 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb index 2299fc0214..79d71bfb5d 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb @@ -123,7 +123,7 @@ module ActiveRecord # +binds+ as the bind substitutes. +name+ is logged along with # the executed +sql+ statement. def exec_insert(sql, name = nil, binds = [], pk = nil, sequence_name = nil) - sql, binds = sql_for_insert(sql, pk, nil, sequence_name, binds) + sql, binds = sql_for_insert(sql, pk, sequence_name, binds) exec_query(sql, name, binds) end @@ -464,7 +464,7 @@ module ActiveRecord exec_query(sql, name, binds, prepare: true) end - def sql_for_insert(sql, pk, id_value, sequence_name, binds) + def sql_for_insert(sql, pk, sequence_name, binds) [sql, binds] end diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index 346d4b067a..0d2d66f919 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -504,15 +504,17 @@ module ActiveRecord @connection end - def case_sensitive_comparison(table, attribute, column, value) # :nodoc: - table[attribute].eq(value) + def case_sensitive_comparison(attribute, value) # :nodoc: + attribute.eq(value) end - def case_insensitive_comparison(table, attribute, column, value) # :nodoc: + def case_insensitive_comparison(attribute, value) # :nodoc: + column = column_for_attribute(attribute) + if can_perform_case_insensitive_comparison_for?(column) - table[attribute].lower.eq(table.lower(value)) + attribute.lower.eq(attribute.relation.lower(value)) else - table[attribute].eq(value) + attribute.eq(value) end end @@ -659,6 +661,11 @@ module ActiveRecord raise(ActiveRecordError, "No such column: #{table_name}.#{column_name}") end + def column_for_attribute(attribute) + table_name = attribute.relation.name + schema_cache.columns_hash(table_name)[attribute.name.to_s] + end + def collector if prepared_statements Arel::Collectors::Composite.new( diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb index cccd6e2210..70d281b62b 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -476,9 +476,11 @@ module ActiveRecord SQL end - def case_sensitive_comparison(table, attribute, column, value) # :nodoc: + def case_sensitive_comparison(attribute, value) # :nodoc: + column = column_for_attribute(attribute) + if column.collation && !column.case_sensitive? - table[attribute].eq(Arel::Nodes::Bin.new(value)) + attribute.eq(Arel::Nodes::Bin.new(value)) else super end diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb index c70a4fa875..41633872e2 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb @@ -110,7 +110,7 @@ module ActiveRecord end alias :exec_update :exec_delete - def sql_for_insert(sql, pk, id_value, sequence_name, binds) # :nodoc: + def sql_for_insert(sql, pk, sequence_name, binds) # :nodoc: if pk.nil? # Extract the table from the insert sql. Yuck. table_ref = extract_table_ref_from_insert_sql(sql) diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index ba221a333b..a863227276 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -44,6 +44,11 @@ module ActiveRecord end def bind_attribute(name, value) # :nodoc: + if reflection = klass._reflect_on_association(name) + name = reflection.foreign_key + value = value.read_attribute(reflection.klass.primary_key) unless value.nil? + end + attr = arel_attribute(name) bind = predicate_builder.build_bind_attribute(attr.name, value) yield attr, bind diff --git a/activerecord/lib/active_record/validations/uniqueness.rb b/activerecord/lib/active_record/validations/uniqueness.rb index 5a1dbc8e53..111b6c9a64 100644 --- a/activerecord/lib/active_record/validations/uniqueness.rb +++ b/activerecord/lib/active_record/validations/uniqueness.rb @@ -56,33 +56,21 @@ module ActiveRecord end def build_relation(klass, attribute, value) - if reflection = klass._reflect_on_association(attribute) - attribute = reflection.foreign_key - value = value.attributes[reflection.klass.primary_key] unless value.nil? - end - - if value.nil? - return klass.unscoped.where!(attribute => value) - end - - # the attribute may be an aliased attribute - if klass.attribute_alias?(attribute) - attribute = klass.attribute_alias(attribute) + relation = klass.unscoped + comparison = relation.bind_attribute(attribute, value) do |attr, bind| + return relation.none! unless bind.boundable? + + if bind.nil? + attr.eq(bind) + elsif options[:case_sensitive] + klass.connection.case_sensitive_comparison(attr, bind) + else + # will use SQL LOWER function before comparison, unless it detects a case insensitive collation + klass.connection.case_insensitive_comparison(attr, bind) + end end - attribute_name = attribute.to_s - value = klass.predicate_builder.build_bind_attribute(attribute_name, value) - - table = klass.arel_table - column = klass.columns_hash[attribute_name] - - comparison = if !options[:case_sensitive] - # will use SQL LOWER function before comparison, unless it detects a case insensitive collation - klass.connection.case_insensitive_comparison(table, attribute, column, value) - else - klass.connection.case_sensitive_comparison(table, attribute, column, value) - end - klass.unscoped.where!(comparison) + relation.where!(comparison) end def scope_relation(record, relation) |