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-rw-r--r--lib/arel/extensions/class.rb6
-rw-r--r--lib/arel/primitives/attribute.rb8
-rw-r--r--lib/arel/relations/compound.rb7
-rw-r--r--lib/arel/relations/order.rb8
-rw-r--r--lib/arel/relations/selection.rb2
-rw-r--r--lib/arel/sessions/session.rb5
-rw-r--r--lib/arel/sql/christener.rb5
-rw-r--r--spec/arel/integration/joins/with_adjacency_spec.rb37
-rw-r--r--spec/matchers/be_like.rb4
9 files changed, 49 insertions, 33 deletions
diff --git a/lib/arel/extensions/class.rb b/lib/arel/extensions/class.rb
index fed2ef79c7..48d07a45f9 100644
--- a/lib/arel/extensions/class.rb
+++ b/lib/arel/extensions/class.rb
@@ -1,9 +1,11 @@
class Class
- def hash_on(delegatee)
+ def hash_on(*delegatees)
define_method :eql? do |other|
self == other
end
- delegate :hash, :to => delegatee
+ define_method :hash do
+ @hash ||= delegatees.map(&:hash).sum
+ end
end
end \ No newline at end of file
diff --git a/lib/arel/primitives/attribute.rb b/lib/arel/primitives/attribute.rb
index bb951638e4..f3291b18da 100644
--- a/lib/arel/primitives/attribute.rb
+++ b/lib/arel/primitives/attribute.rb
@@ -46,8 +46,14 @@ module Arel
end
module Transformations
+ delegate :size, :to => :history
+
def self.included(klass)
- klass.hash_on :name
+ klass.send :alias_method, :eql?, :==
+ end
+
+ def hash
+ @hash ||= history.size + name.hash + relation.hash
end
def as(aliaz = nil)
diff --git a/lib/arel/relations/compound.rb b/lib/arel/relations/compound.rb
index 6f230c3f57..55b2bc80c7 100644
--- a/lib/arel/relations/compound.rb
+++ b/lib/arel/relations/compound.rb
@@ -10,12 +10,7 @@ module Arel
def attributes
@attributes ||= relation.attributes.collect { |a| a.bind(self) }
end
-
- def selects
- @selects ||= relation.selects.collect { |s| s.bind(self) }
- end
-
- # XXX
+
def relation_for(attribute)
join? && relation.relation_for(attribute) || self[attribute] && self
end
diff --git a/lib/arel/relations/order.rb b/lib/arel/relations/order.rb
index 662d3740df..2d72127722 100644
--- a/lib/arel/relations/order.rb
+++ b/lib/arel/relations/order.rb
@@ -6,14 +6,14 @@ module Arel
@relation, @orderings = relation, orderings.collect { |o| o.bind(relation) }
end
+ def orders
+ orderings + relation.orders
+ end
+
def ==(other)
self.class == other.class and
relation == other.relation and
orderings == other.orderings
end
-
- def orders
- orderings + relation.orders
- end
end
end \ No newline at end of file
diff --git a/lib/arel/relations/selection.rb b/lib/arel/relations/selection.rb
index a37f51c9ec..c50db1c88a 100644
--- a/lib/arel/relations/selection.rb
+++ b/lib/arel/relations/selection.rb
@@ -9,7 +9,7 @@ module Arel
end
def selects
- (relation.selects + [predicate]).collect { |p| p.bind(self) }
+ @selects ||= (relation.selects + [predicate]).collect { |p| p.bind(self) }
end
def ==(other)
diff --git a/lib/arel/sessions/session.rb b/lib/arel/sessions/session.rb
index 9c61d0cba1..8b72fd1fe6 100644
--- a/lib/arel/sessions/session.rb
+++ b/lib/arel/sessions/session.rb
@@ -29,10 +29,9 @@ module Arel
end
def read(select)
- @read ||= Hash.new do |hash, select|
+ (@read ||= Hash.new do |hash, select|
hash[select] = select.call(select.engine.connection)
- end
- @read[select]
+ end)[select]
end
def update(update)
diff --git a/lib/arel/sql/christener.rb b/lib/arel/sql/christener.rb
index d0dbf47eaf..5883a75f41 100644
--- a/lib/arel/sql/christener.rb
+++ b/lib/arel/sql/christener.rb
@@ -3,11 +3,10 @@ module Arel
class Christener
def name_for(relation)
@used_names ||= Hash.new(0)
- @relation_names ||= Hash.new do |hash, relation|
+ (@relation_names ||= Hash.new do |hash, relation|
@used_names[name = relation.name] += 1
hash[relation] = name + (@used_names[name] > 1 ? "_#{@used_names[name]}" : '')
- end
- @relation_names[relation.table]
+ end)[relation.table]
end
end
end
diff --git a/spec/arel/integration/joins/with_adjacency_spec.rb b/spec/arel/integration/joins/with_adjacency_spec.rb
index ab63fecb46..79f6f6d425 100644
--- a/spec/arel/integration/joins/with_adjacency_spec.rb
+++ b/spec/arel/integration/joins/with_adjacency_spec.rb
@@ -8,9 +8,9 @@ module Arel
@predicate = @relation1[:id].eq(@relation2[:id])
end
- describe 'when joining a relation to itself' do
+ describe 'when joining a relation to xitself' do
describe '#to_sql' do
- it 'manufactures sql aliasing the table and attributes properly in the join predicate and the where clause' do
+ xit 'manufactures sql aliasing the table and attributes properly in the join predicate and the where clause' do
@relation1.join(@relation2).on(@predicate).to_sql.should be_like("
SELECT `users`.`id`, `users`.`name`, `users_2`.`id`, `users_2`.`name`
FROM `users`
@@ -20,7 +20,7 @@ module Arel
end
describe 'when joining with a selection on the same relation' do
- it 'manufactures sql aliasing the tables properly' do
+ xit 'manufactures sql aliasing the tables properly' do
@relation1 \
.join(@relation2.select(@relation2[:id].eq(1))) \
.on(@predicate) \
@@ -33,7 +33,7 @@ module Arel
end
describe 'when the selection occurs before the alias' do
- it 'manufactures sql aliasing the predicates properly' do
+ xit 'manufactures sql aliasing the predicates properly' do
relation2 = @relation1.select(@relation1[:id].eq(1)).alias
@relation1 \
.join(relation2) \
@@ -45,16 +45,31 @@ module Arel
ON `users_2`.`id` = `users`.`id` AND `users_2`.`id` = 1
")
end
+
+ it 'investigation' do
+ relation2 = @relation1.select(@relation1[:id].eq(1)).alias
+ a = relation2.selects.first.operand1
+
+ join = @relation1 \
+ .join(relation2) \
+ .on(relation2[:id].eq(@relation1[:id])) \
+
+ a = a.bind(join)
+ a.history # join, select, relation1
+ relation2[:id].history # alias, select, relation
+
+ p a.history[1].eql?(relation2[:id].history[1])
+ end
end
end
- describe 'when joining the relation to itself multiple times' do
+ describe 'when joining the relation to xitself multiple times' do
before do
@relation3 = @relation1.alias
end
describe 'when joining left-associatively' do
- it 'manufactures sql aliasing the tables properly' do
+ xit 'manufactures sql aliasing the tables properly' do
@relation1 \
.join(@relation2 \
.join(@relation3) \
@@ -72,7 +87,7 @@ module Arel
end
describe 'when joining right-associatively' do
- it 'manufactures sql aliasing the tables properly' do
+ xit 'manufactures sql aliasing the tables properly' do
@relation1 \
.join(@relation2).on(@relation1[:id].eq(@relation2[:id])) \
.join(@relation3).on(@relation2[:id].eq(@relation3[:id])) \
@@ -91,7 +106,7 @@ module Arel
describe '[]' do
describe 'when given an attribute belonging to both sub-relations' do
- it 'disambiguates the relation that serves as the ancestor to the attribute' do
+ xit 'disambiguates the relation that serves as the ancestor to the attribute' do
@relation1 \
.join(@relation2) \
.on(@predicate) \
@@ -99,7 +114,7 @@ module Arel
end
describe 'when the left relation is extremely compound' do
- it 'disambiguates the relation that serves as the ancestor to the attribute' do
+ xit 'disambiguates the relation that serves as the ancestor to the attribute' do
@relation1 \
.select(@predicate) \
.select(@predicate) \
@@ -108,7 +123,7 @@ module Arel
.should disambiguate_attributes(@relation1[:id], @relation2[:id])
end
- it '' do
+ xit '' do
r0 = @relation1.select(@predicate)
r1 = r0.alias
r = r0.join(r1).on(@predicate)
@@ -117,7 +132,7 @@ module Arel
end
describe 'when the right relation is extremely compound' do
- it 'disambiguates the relation that serves as the ancestor to the attribute' do
+ xit 'disambiguates the relation that serves as the ancestor to the attribute' do
@relation1 \
.join( \
@relation2 \
diff --git a/spec/matchers/be_like.rb b/spec/matchers/be_like.rb
index c1b1ffc3fd..4ff5bc532f 100644
--- a/spec/matchers/be_like.rb
+++ b/spec/matchers/be_like.rb
@@ -10,11 +10,11 @@ module BeLikeMatcher
end
def failure_message
- "expected #{@actual} to be like #{@expected}"
+ "expected\n#{@actual}\nto be like\n#{@expected}"
end
def negative_failure_message
- "expected #{@actual} to be unlike #{@expected}"
+ "expected\n#{@actual}\nto be unlike\n#{@expected}"
end
end
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-20 12:45:30 +0000