diff options
-rw-r--r-- | TODO | 5 | ||||
-rw-r--r-- | lib/active_relation/primitives/attribute.rb | 14 | ||||
-rw-r--r-- | lib/active_relation/relations/relation.rb | 12 | ||||
-rw-r--r-- | lib/active_relation/sql.rb | 11 | ||||
-rw-r--r-- | spec/active_relation/unit/primitives/attribute_spec.rb | 14 | ||||
-rw-r--r-- | spec/active_relation/unit/relations/order_spec.rb | 42 | ||||
-rw-r--r-- | spec/active_relation/unit/relations/selection_spec.rb | 45 |
7 files changed, 96 insertions, 47 deletions
@@ -11,9 +11,6 @@ todo: {:conditions=>{"topics.approved"=>false}} {:conditions=>{:address=>#<Address:0x3489b3c @street="Funny Street", @country="Loony Land", @city="Scary Town">, "customers.name"=>"David1"}} -- need to_sql for ranges - {:conditions=>{:id=>2..3}} - - orders need string pass through :order=>"developers.name desc, developers.id desc", @@ -69,3 +66,5 @@ done: - #formatter is now on value, attribute and relation; you must admit it's name is confusing given that e.g., relation already has a formatter (Sql::Relation) ... should it be called predicate formatter? operand1.to_sql(operand2.predicate) maybe prefer operand1.cast(operand2) or project or in light of - renamed to #format: operand1.format(operand2) - rename sql strategies +- need to_sql for ranges + - {:conditions=>{:id=>2..3}}
\ No newline at end of file diff --git a/lib/active_relation/primitives/attribute.rb b/lib/active_relation/primitives/attribute.rb index ddf5ef5e07..d78e940ffc 100644 --- a/lib/active_relation/primitives/attribute.rb +++ b/lib/active_relation/primitives/attribute.rb @@ -63,31 +63,31 @@ module ActiveRelation module Predications def eq(other) - Equality.new(self, other) + Equality.new(self, other.bind(relation)) end def lt(other) - LessThan.new(self, other) + LessThan.new(self, other.bind(relation)) end def lteq(other) - LessThanOrEqualTo.new(self, other) + LessThanOrEqualTo.new(self, other.bind(relation)) end def gt(other) - GreaterThan.new(self, other) + GreaterThan.new(self, other.bind(relation)) end def gteq(other) - GreaterThanOrEqualTo.new(self, other) + GreaterThanOrEqualTo.new(self, other.bind(relation)) end def matches(regexp) - Match.new(self, regexp) + Match.new(self, regexp.bind(relation)) end def in(array) - In.new(self, array) + In.new(self, array.bind(relation)) end end include Predications diff --git a/lib/active_relation/relations/relation.rb b/lib/active_relation/relations/relation.rb index 1364911f0c..fa66bd039b 100644 --- a/lib/active_relation/relations/relation.rb +++ b/lib/active_relation/relations/relation.rb @@ -105,12 +105,12 @@ module ActiveRelation formatter.select [ "SELECT #{attributes.collect { |a| a.to_sql(Sql::SelectExpression.new(engine)) }.join(', ')}", "FROM #{table_sql}", - (joins unless joins.blank? ), - ("WHERE #{selects.collect {|s| s.to_sql(Sql::WhereClause.new(engine))}.join("\n\tAND ")}" unless selects.blank? ), - ("ORDER BY #{orders.collect(&:to_sql)}" unless orders.blank? ), - ("GROUP BY #{groupings.collect(&:to_sql)}" unless groupings.blank? ), - ("LIMIT #{limit}" unless limit.blank? ), - ("OFFSET #{offset}" unless offset.blank? ) + (joins unless joins.blank? ), + ("WHERE #{selects.collect { |s| s.to_sql(Sql::WhereClause.new(engine)) }.join("\n\tAND ")}" unless selects.blank? ), + ("ORDER BY #{orders.collect { |o| o.to_sql(Sql::OrderClause.new(engine)) }.join(', ')}" unless orders.blank? ), + ("GROUP BY #{groupings.collect(&:to_sql)}" unless groupings.blank? ), + ("LIMIT #{limit}" unless limit.blank? ), + ("OFFSET #{offset}" unless offset.blank? ) ].compact.join("\n"), self.alias end alias_method :to_s, :to_sql diff --git a/lib/active_relation/sql.rb b/lib/active_relation/sql.rb index 027356d4d7..3a773fdf6e 100644 --- a/lib/active_relation/sql.rb +++ b/lib/active_relation/sql.rb @@ -24,12 +24,21 @@ module ActiveRelation end end - class WhereClause < Formatter + class PassThrough < Formatter def value(value) value end end + class WhereClause < PassThrough + end + + class OrderClause < PassThrough + def attribute(relation_name, attribute_name, aliaz) + "#{quote_table_name(relation_name)}.#{quote_column_name(attribute_name)}" + end + end + class WhereCondition < Formatter def attribute(relation_name, attribute_name, aliaz) "#{quote_table_name(relation_name)}.#{quote_column_name(attribute_name)}" diff --git a/spec/active_relation/unit/primitives/attribute_spec.rb b/spec/active_relation/unit/primitives/attribute_spec.rb index 2806d26330..0f6e5e289d 100644 --- a/spec/active_relation/unit/primitives/attribute_spec.rb +++ b/spec/active_relation/unit/primitives/attribute_spec.rb @@ -97,43 +97,43 @@ module ActiveRelation describe '#eq' do it "manufactures an equality predicate" do - @attribute.eq('name').should == Equality.new(@attribute, 'name') + @attribute.eq('name').should == Equality.new(@attribute, 'name'.bind(@relation)) end end describe '#lt' do it "manufactures a less-than predicate" do - @attribute.lt(10).should == LessThan.new(@attribute, 10) + @attribute.lt(10).should == LessThan.new(@attribute, 10.bind(@relation)) end end describe '#lteq' do it "manufactures a less-than or equal-to predicate" do - @attribute.lteq(10).should == LessThanOrEqualTo.new(@attribute, 10) + @attribute.lteq(10).should == LessThanOrEqualTo.new(@attribute, 10.bind(@relation)) end end describe '#gt' do it "manufactures a greater-than predicate" do - @attribute.gt(10).should == GreaterThan.new(@attribute, 10) + @attribute.gt(10).should == GreaterThan.new(@attribute, 10.bind(@relation)) end end describe '#gteq' do it "manufactures a greater-than or equal-to predicate" do - @attribute.gteq(10).should == GreaterThanOrEqualTo.new(@attribute, 10) + @attribute.gteq(10).should == GreaterThanOrEqualTo.new(@attribute, 10.bind(@relation)) end end describe '#matches' do it "manufactures a match predicate" do - @attribute.matches(/.*/).should == Match.new(@attribute, /.*/) + @attribute.matches(/.*/).should == Match.new(@attribute, /.*/.bind(@relation)) end end describe '#in' do it "manufactures an in predicate" do - @attribute.in(1..30).should == In.new(@attribute, 1..30) + @attribute.in(1..30).should == In.new(@attribute, (1..30).bind(@relation)) end end end diff --git a/spec/active_relation/unit/relations/order_spec.rb b/spec/active_relation/unit/relations/order_spec.rb index 6a9ce07024..f37a9f26e9 100644 --- a/spec/active_relation/unit/relations/order_spec.rb +++ b/spec/active_relation/unit/relations/order_spec.rb @@ -22,12 +22,42 @@ module ActiveRelation end describe '#to_sql' do - it "manufactures sql with an order clause" do - Order.new(@relation, @attribute).to_sql.should be_like(" - SELECT `users`.`id`, `users`.`name` - FROM `users` - ORDER BY `users`.`id` - ") + describe "when given an attribute" do + it "manufactures sql with an order clause populated by the attribute" do + Order.new(@relation, @attribute).to_sql.should be_like(" + SELECT `users`.`id`, `users`.`name` + FROM `users` + ORDER BY `users`.`id` + ") + end + end + + describe "when given multiple attributes" do + before do + @another_attribute = @relation[:name] + end + + it "manufactures sql with an order clause populated by comma-separated attributes" do + Order.new(@relation, @attribute, @another_attribute).to_sql.should be_like(" + SELECT `users`.`id`, `users`.`name` + FROM `users` + ORDER BY `users`.`id`, `users`.`name` + ") + end + end + + describe "when given a string" do + before do + @string = "asdf".bind(@relation) + end + + it "passes the string through to the order clause" do + Order.new(@relation, @string).to_sql.should be_like(" + SELECT `users`.`id`, `users`.`name` + FROM `users` + ORDER BY asdf + ") + end end end end diff --git a/spec/active_relation/unit/relations/selection_spec.rb b/spec/active_relation/unit/relations/selection_spec.rb index 4bb3817bf5..001c38c370 100644 --- a/spec/active_relation/unit/relations/selection_spec.rb +++ b/spec/active_relation/unit/relations/selection_spec.rb @@ -4,14 +4,17 @@ module ActiveRelation describe Selection do before do @relation = Table.new(:users) - @predicate = Equality.new(@relation[:id], 1.bind(@relation)) + @predicate = @relation[:id].eq(1) end describe '#initialize' do + before do + @another_predicate = @relation[:name].lt(2) + end + it "manufactures nested selection relations if multiple predicates are provided" do - @predicate2 = LessThan.new(@relation[:age], 2.bind(@relation)) - Selection.new(@relation, @predicate, @predicate2). \ - should == Selection.new(Selection.new(@relation, @predicate2), @predicate) + Selection.new(@relation, @predicate, @another_predicate). \ + should == Selection.new(Selection.new(@relation, @another_predicate), @predicate) end end @@ -30,20 +33,28 @@ module ActiveRelation end describe '#to_sql' do - it "manufactures sql with where clause conditions" do - Selection.new(@relation, @predicate).to_sql.should be_like(" - SELECT `users`.`id`, `users`.`name` - FROM `users` - WHERE `users`.`id` = 1 - ") + describe 'when given a predicate' do + it "manufactures sql with where clause conditions" do + Selection.new(@relation, @predicate).to_sql.should be_like(" + SELECT `users`.`id`, `users`.`name` + FROM `users` + WHERE `users`.`id` = 1 + ") + end end - - it "allows arbitrary sql" do - Selection.new(@relation, "asdf".bind(@relation)).to_sql.should be_like(" - SELECT `users`.`id`, `users`.`name` - FROM `users` - WHERE asdf - ") + + describe 'when given a string' do + before do + @string = "asdf".bind(@relation) + end + + it "passes the string through to the where clause" do + Selection.new(@relation, @string).to_sql.should be_like(" + SELECT `users`.`id`, `users`.`name` + FROM `users` + WHERE asdf + ") + end end end end |