diff options
author | Aaron Patterson <aaron.patterson@gmail.com> | 2014-01-11 17:28:43 -0800 |
---|---|---|
committer | Aaron Patterson <aaron.patterson@gmail.com> | 2014-01-11 17:28:43 -0800 |
commit | 11e8badb16876e6bd72c874631d25aec41dad293 (patch) | |
tree | 5ec87baa3a8e7652c46d6804b174b81b8f9c7745 /activerecord/lib/active_record/relation/merger.rb | |
parent | 474ebc55bd13ad58626a49dfc44c8e6407813935 (diff) | |
parent | caa981d88112f019ade868f75af6b5f399c244a4 (diff) | |
download | rails-11e8badb16876e6bd72c874631d25aec41dad293.tar.gz rails-11e8badb16876e6bd72c874631d25aec41dad293.tar.bz2 rails-11e8badb16876e6bd72c874631d25aec41dad293.zip |
Merge branch 'master' into set_binds
* master: (2794 commits)
doc, API example on how to use `Model#exists?` with multiple IDs. [ci skip]
Restore DATABASE_URL even if it's nil in connection_handler test
[ci skip] - error_messages_for has been deprecated since 2.3.8 - lets reduce any confusion for users
Ensure Active Record connection consistency
Revert "ask the fixture set for the sql statements"
Check `respond_to` before delegation due to: https://github.com/ruby/ruby/commit/d781caaf313b8649948c107bba277e5ad7307314
Adding Hash#compact and Hash#compact! methods
MySQL version 4.1 was EOL on December 31, 2009 We should at least recommend modern versions of MySQL to users.
clear cache on body close so that cache remains during rendering
add a more restricted codepath for templates fixes #13390
refactor generator tests to use block form of Tempfile
Fix typo [ci skip]
Move finish_template as the last public method in the generator
Minor typos fix [ci skip]
make `change_column_null` reversible. Closes #13576.
create/drop test and development databases only if RAILS_ENV is nil
Revert "Speedup String#to"
typo fix in test name. [ci skip].
`core_ext/string/access.rb` test what we are documenting.
Fix typo in image_tag documentation
...
Conflicts:
activerecord/lib/active_record/associations/join_dependency/join_association.rb
activerecord/lib/active_record/relation/query_methods.rb
Diffstat (limited to 'activerecord/lib/active_record/relation/merger.rb')
-rw-r--r-- | activerecord/lib/active_record/relation/merger.rb | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/activerecord/lib/active_record/relation/merger.rb b/activerecord/lib/active_record/relation/merger.rb index c114ea0c0d..182b9ed89c 100644 --- a/activerecord/lib/active_record/relation/merger.rb +++ b/activerecord/lib/active_record/relation/merger.rb @@ -22,7 +22,7 @@ module ActiveRecord # build a relation to merge in rather than directly merging # the values. def other - other = Relation.new(relation.klass, relation.table) + other = Relation.create(relation.klass, relation.table) hash.each { |k, v| if k == :joins if Hash === v @@ -42,10 +42,6 @@ module ActiveRecord attr_reader :relation, :values, :other def initialize(relation, other) - if other.default_scoped? && other.klass != relation.klass - other = other.with_default_scope - end - @relation = relation @values = other.values @other = other @@ -62,7 +58,11 @@ module ActiveRecord def merge normal_values.each do |name| value = values[name] - relation.send("#{name}!", *value) unless value.blank? + # The unless clause is here mostly for performance reasons (since the `send` call might be moderately + # expensive), most of the time the value is going to be `nil` or `.blank?`, the only catch is that + # `false.blank?` returns `true`, so there needs to be an extra check so that explicit `false` values + # don't fall through the cracks. + relation.send("#{name}!", *value) unless value.nil? || (value.blank? && false != value) end merge_multi_values @@ -94,26 +94,42 @@ module ActiveRecord []) relation.joins! rest - @relation = join_dependency.join_relation(relation) + @relation = relation.joins join_dependency end end def merge_multi_values lhs_wheres = relation.where_values rhs_wheres = values[:where] || [] + lhs_binds = relation.bind_values rhs_binds = values[:bind] || [] removed, kept = partition_overwrites(lhs_wheres, rhs_wheres) - relation.where_values = kept + rhs_wheres - relation.bind_values = filter_binds(lhs_binds, removed) + rhs_binds + where_values = kept + rhs_wheres + bind_values = filter_binds(lhs_binds, removed) + rhs_binds + + conn = relation.klass.connection + bv_index = 0 + where_values.map! do |node| + if Arel::Nodes::Equality === node && Arel::Nodes::BindParam === node.right + substitute = conn.substitute_at(bind_values[bv_index].first, bv_index) + bv_index += 1 + Arel::Nodes::Equality.new(node.left, substitute) + else + node + end + end + + relation.where_values = where_values + relation.bind_values = bind_values if values[:reordering] # override any order specified in the original relation relation.reorder! values[:order] elsif values[:order] - # merge in order_values from r + # merge in order_values from relation relation.order! values[:order] end |