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-rw-r--r--activerecord/test/cases/arel/visitors/depth_first_test.rb1
-rw-r--r--activerecord/test/cases/arel/visitors/dot_test.rb1
-rw-r--r--activerecord/test/cases/arel/visitors/ibm_db_test.rb39
-rw-r--r--activerecord/test/cases/arel/visitors/informix_test.rb39
-rw-r--r--activerecord/test/cases/arel/visitors/mssql_test.rb39
-rw-r--r--activerecord/test/cases/arel/visitors/mysql_test.rb49
-rw-r--r--activerecord/test/cases/arel/visitors/oracle12_test.rb39
-rw-r--r--activerecord/test/cases/arel/visitors/oracle_test.rb39
-rw-r--r--activerecord/test/cases/arel/visitors/postgres_test.rb51
-rw-r--r--activerecord/test/cases/arel/visitors/sqlite_test.rb45
-rw-r--r--activerecord/test/cases/arel/visitors/to_sql_test.rb63
11 files changed, 384 insertions, 21 deletions
diff --git a/activerecord/test/cases/arel/visitors/depth_first_test.rb b/activerecord/test/cases/arel/visitors/depth_first_test.rb
index 3baccc7316..f94ad521d7 100644
--- a/activerecord/test/cases/arel/visitors/depth_first_test.rb
+++ b/activerecord/test/cases/arel/visitors/depth_first_test.rb
@@ -33,7 +33,6 @@ module Arel
Arel::Nodes::Ordering,
Arel::Nodes::StringJoin,
Arel::Nodes::UnqualifiedColumn,
- Arel::Nodes::Top,
Arel::Nodes::Limit,
Arel::Nodes::Else,
].each do |klass|
diff --git a/activerecord/test/cases/arel/visitors/dot_test.rb b/activerecord/test/cases/arel/visitors/dot_test.rb
index 98f3bab620..6b3c132f83 100644
--- a/activerecord/test/cases/arel/visitors/dot_test.rb
+++ b/activerecord/test/cases/arel/visitors/dot_test.rb
@@ -37,7 +37,6 @@ module Arel
Arel::Nodes::Offset,
Arel::Nodes::Ordering,
Arel::Nodes::UnqualifiedColumn,
- Arel::Nodes::Top,
Arel::Nodes::Limit,
].each do |klass|
define_method("test_#{klass.name.gsub('::', '_')}") do
diff --git a/activerecord/test/cases/arel/visitors/ibm_db_test.rb b/activerecord/test/cases/arel/visitors/ibm_db_test.rb
index 7163cb34d3..2ddbec3266 100644
--- a/activerecord/test/cases/arel/visitors/ibm_db_test.rb
+++ b/activerecord/test/cases/arel/visitors/ibm_db_test.rb
@@ -29,6 +29,45 @@ module Arel
sql = compile(stmt)
sql.must_be_like "UPDATE \"users\" WHERE \"users\".\"id\" IN (SELECT \"users\".\"id\" FROM \"users\" FETCH FIRST 1 ROWS ONLY)"
end
+
+ describe "Nodes::IsNotDistinctFrom" do
+ it "should construct a valid generic SQL statement" do
+ test = Table.new(:users)[:name].is_not_distinct_from "Aaron Patterson"
+ compile(test).must_be_like %{
+ DECODE("users"."name", 'Aaron Patterson', 0, 1) = 0
+ }
+ end
+
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_not_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ DECODE("users"."first_name", "users"."last_name", 0, 1) = 0
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsNotDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS NULL }
+ end
+ end
+
+ describe "Nodes::IsDistinctFrom" do
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ DECODE("users"."first_name", "users"."last_name", 0, 1) = 1
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS NOT NULL }
+ end
+ end
end
end
end
diff --git a/activerecord/test/cases/arel/visitors/informix_test.rb b/activerecord/test/cases/arel/visitors/informix_test.rb
index b0b031cca3..b6c2dd6ae7 100644
--- a/activerecord/test/cases/arel/visitors/informix_test.rb
+++ b/activerecord/test/cases/arel/visitors/informix_test.rb
@@ -54,6 +54,45 @@ module Arel
sql = compile(stmt)
sql.must_be_like 'SELECT FROM "posts" INNER JOIN "comments"'
end
+
+ describe "Nodes::IsNotDistinctFrom" do
+ it "should construct a valid generic SQL statement" do
+ test = Table.new(:users)[:name].is_not_distinct_from "Aaron Patterson"
+ compile(test).must_be_like %{
+ CASE WHEN "users"."name" = 'Aaron Patterson' OR ("users"."name" IS NULL AND 'Aaron Patterson' IS NULL) THEN 0 ELSE 1 END = 0
+ }
+ end
+
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_not_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ CASE WHEN "users"."first_name" = "users"."last_name" OR ("users"."first_name" IS NULL AND "users"."last_name" IS NULL) THEN 0 ELSE 1 END = 0
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsNotDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS NULL }
+ end
+ end
+
+ describe "Nodes::IsDistinctFrom" do
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ CASE WHEN "users"."first_name" = "users"."last_name" OR ("users"."first_name" IS NULL AND "users"."last_name" IS NULL) THEN 0 ELSE 1 END = 1
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS NOT NULL }
+ end
+ end
end
end
end
diff --git a/activerecord/test/cases/arel/visitors/mssql_test.rb b/activerecord/test/cases/arel/visitors/mssql_test.rb
index 340376c3d6..74f34b4dad 100644
--- a/activerecord/test/cases/arel/visitors/mssql_test.rb
+++ b/activerecord/test/cases/arel/visitors/mssql_test.rb
@@ -94,6 +94,45 @@ module Arel
sql = compile(stmt)
sql.must_be_like "SELECT COUNT(1) as count_id FROM (SELECT _t.* FROM (SELECT ROW_NUMBER() OVER (ORDER BY ) as _row_num) as _t WHERE _row_num BETWEEN 1 AND 10) AS subquery"
end
+
+ describe "Nodes::IsNotDistinctFrom" do
+ it "should construct a valid generic SQL statement" do
+ test = Table.new(:users)[:name].is_not_distinct_from "Aaron Patterson"
+ compile(test).must_be_like %{
+ EXISTS (VALUES ("users"."name") INTERSECT VALUES ('Aaron Patterson'))
+ }
+ end
+
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_not_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ EXISTS (VALUES ("users"."first_name") INTERSECT VALUES ("users"."last_name"))
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsNotDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS NULL }
+ end
+ end
+
+ describe "Nodes::IsDistinctFrom" do
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ NOT EXISTS (VALUES ("users"."first_name") INTERSECT VALUES ("users"."last_name"))
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS NOT NULL }
+ end
+ end
end
end
end
diff --git a/activerecord/test/cases/arel/visitors/mysql_test.rb b/activerecord/test/cases/arel/visitors/mysql_test.rb
index 9d3bad8516..5f37587957 100644
--- a/activerecord/test/cases/arel/visitors/mysql_test.rb
+++ b/activerecord/test/cases/arel/visitors/mysql_test.rb
@@ -13,16 +13,6 @@ module Arel
@visitor.accept(node, Collectors::SQLString.new).value
end
- it "squashes parenthesis on multiple unions" do
- subnode = Nodes::Union.new Arel.sql("left"), Arel.sql("right")
- node = Nodes::Union.new subnode, Arel.sql("topright")
- assert_equal 1, compile(node).scan("(").length
-
- subnode = Nodes::Union.new Arel.sql("left"), Arel.sql("right")
- node = Nodes::Union.new Arel.sql("topleft"), subnode
- assert_equal 1, compile(node).scan("(").length
- end
-
###
# :'(
# http://dev.mysql.com/doc/refman/5.0/en/select.html#id3482214
@@ -75,6 +65,45 @@ module Arel
}
end
end
+
+ describe "Nodes::IsNotDistinctFrom" do
+ it "should construct a valid generic SQL statement" do
+ test = Table.new(:users)[:name].is_not_distinct_from "Aaron Patterson"
+ compile(test).must_be_like %{
+ "users"."name" <=> 'Aaron Patterson'
+ }
+ end
+
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_not_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ "users"."first_name" <=> "users"."last_name"
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsNotDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" <=> NULL }
+ end
+ end
+
+ describe "Nodes::IsDistinctFrom" do
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ NOT "users"."first_name" <=> "users"."last_name"
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ NOT "users"."name" <=> NULL }
+ end
+ end
end
end
end
diff --git a/activerecord/test/cases/arel/visitors/oracle12_test.rb b/activerecord/test/cases/arel/visitors/oracle12_test.rb
index 83a2ee36ca..4ce5cab4db 100644
--- a/activerecord/test/cases/arel/visitors/oracle12_test.rb
+++ b/activerecord/test/cases/arel/visitors/oracle12_test.rb
@@ -56,6 +56,45 @@ module Arel
}
end
end
+
+ describe "Nodes::IsNotDistinctFrom" do
+ it "should construct a valid generic SQL statement" do
+ test = Table.new(:users)[:name].is_not_distinct_from "Aaron Patterson"
+ compile(test).must_be_like %{
+ DECODE("users"."name", 'Aaron Patterson', 0, 1) = 0
+ }
+ end
+
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_not_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ DECODE("users"."first_name", "users"."last_name", 0, 1) = 0
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsNotDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS NULL }
+ end
+ end
+
+ describe "Nodes::IsDistinctFrom" do
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ DECODE("users"."first_name", "users"."last_name", 0, 1) = 1
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS NOT NULL }
+ end
+ end
end
end
end
diff --git a/activerecord/test/cases/arel/visitors/oracle_test.rb b/activerecord/test/cases/arel/visitors/oracle_test.rb
index e1dfe40cf9..893edc7f74 100644
--- a/activerecord/test/cases/arel/visitors/oracle_test.rb
+++ b/activerecord/test/cases/arel/visitors/oracle_test.rb
@@ -192,6 +192,45 @@ module Arel
}
end
end
+
+ describe "Nodes::IsNotDistinctFrom" do
+ it "should construct a valid generic SQL statement" do
+ test = Table.new(:users)[:name].is_not_distinct_from "Aaron Patterson"
+ compile(test).must_be_like %{
+ DECODE("users"."name", 'Aaron Patterson', 0, 1) = 0
+ }
+ end
+
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_not_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ DECODE("users"."first_name", "users"."last_name", 0, 1) = 0
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsNotDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS NULL }
+ end
+ end
+
+ describe "Nodes::IsDistinctFrom" do
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ DECODE("users"."first_name", "users"."last_name", 0, 1) = 1
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS NOT NULL }
+ end
+ end
end
end
end
diff --git a/activerecord/test/cases/arel/visitors/postgres_test.rb b/activerecord/test/cases/arel/visitors/postgres_test.rb
index ba37afecfb..0f9efb20b4 100644
--- a/activerecord/test/cases/arel/visitors/postgres_test.rb
+++ b/activerecord/test/cases/arel/visitors/postgres_test.rb
@@ -215,7 +215,7 @@ module Arel
}
end
- it "should know how to generate paranthesis when supplied with many Dimensions" do
+ it "should know how to generate parenthesis when supplied with many Dimensions" do
dim1 = Arel::Nodes::GroupingElement.new(@table[:name])
dim2 = Arel::Nodes::GroupingElement.new([@table[:bool], @table[:created_at]])
node = Arel::Nodes::Cube.new([dim1, dim2])
@@ -229,7 +229,7 @@ module Arel
it "should know how to visit with array arguments" do
node = Arel::Nodes::GroupingSet.new([@table[:name], @table[:bool]])
compile(node).must_be_like %{
- GROUPING SET( "users"."name", "users"."bool" )
+ GROUPING SETS( "users"."name", "users"."bool" )
}
end
@@ -237,16 +237,16 @@ module Arel
group = Arel::Nodes::GroupingElement.new([@table[:name], @table[:bool]])
node = Arel::Nodes::GroupingSet.new(group)
compile(node).must_be_like %{
- GROUPING SET( "users"."name", "users"."bool" )
+ GROUPING SETS( "users"."name", "users"."bool" )
}
end
- it "should know how to generate paranthesis when supplied with many Dimensions" do
+ it "should know how to generate parenthesis when supplied with many Dimensions" do
group1 = Arel::Nodes::GroupingElement.new(@table[:name])
group2 = Arel::Nodes::GroupingElement.new([@table[:bool], @table[:created_at]])
node = Arel::Nodes::GroupingSet.new([group1, group2])
compile(node).must_be_like %{
- GROUPING SET( ( "users"."name" ), ( "users"."bool", "users"."created_at" ) )
+ GROUPING SETS( ( "users"."name" ), ( "users"."bool", "users"."created_at" ) )
}
end
end
@@ -267,7 +267,7 @@ module Arel
}
end
- it "should know how to generate paranthesis when supplied with many Dimensions" do
+ it "should know how to generate parenthesis when supplied with many Dimensions" do
group1 = Arel::Nodes::GroupingElement.new(@table[:name])
group2 = Arel::Nodes::GroupingElement.new([@table[:bool], @table[:created_at]])
node = Arel::Nodes::RollUp.new([group1, group2])
@@ -276,6 +276,45 @@ module Arel
}
end
end
+
+ describe "Nodes::IsNotDistinctFrom" do
+ it "should construct a valid generic SQL statement" do
+ test = Table.new(:users)[:name].is_not_distinct_from "Aaron Patterson"
+ compile(test).must_be_like %{
+ "users"."name" IS NOT DISTINCT FROM 'Aaron Patterson'
+ }
+ end
+
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_not_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ "users"."first_name" IS NOT DISTINCT FROM "users"."last_name"
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsNotDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS NOT DISTINCT FROM NULL }
+ end
+ end
+
+ describe "Nodes::IsDistinctFrom" do
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ "users"."first_name" IS DISTINCT FROM "users"."last_name"
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS DISTINCT FROM NULL }
+ end
+ end
end
end
end
diff --git a/activerecord/test/cases/arel/visitors/sqlite_test.rb b/activerecord/test/cases/arel/visitors/sqlite_test.rb
index 6650b6ff3a..ee4e07a675 100644
--- a/activerecord/test/cases/arel/visitors/sqlite_test.rb
+++ b/activerecord/test/cases/arel/visitors/sqlite_test.rb
@@ -6,7 +6,11 @@ module Arel
module Visitors
class SqliteTest < Arel::Spec
before do
- @visitor = SQLite.new Table.engine.connection_pool
+ @visitor = SQLite.new Table.engine.connection
+ end
+
+ def compile(node)
+ @visitor.accept(node, Collectors::SQLString.new).value
end
it "defaults limit to -1" do
@@ -27,6 +31,45 @@ module Arel
node = Nodes::False.new()
assert_equal "0", @visitor.accept(node, Collectors::SQLString.new).value
end
+
+ describe "Nodes::IsNotDistinctFrom" do
+ it "should construct a valid generic SQL statement" do
+ test = Table.new(:users)[:name].is_not_distinct_from "Aaron Patterson"
+ compile(test).must_be_like %{
+ "users"."name" IS 'Aaron Patterson'
+ }
+ end
+
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_not_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ "users"."first_name" IS "users"."last_name"
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsNotDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS NULL }
+ end
+ end
+
+ describe "Nodes::IsDistinctFrom" do
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ "users"."first_name" IS NOT "users"."last_name"
+ }
+ end
+
+ it "should handle nil" do
+ @table = Table.new(:users)
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS NOT NULL }
+ end
+ end
end
end
end
diff --git a/activerecord/test/cases/arel/visitors/to_sql_test.rb b/activerecord/test/cases/arel/visitors/to_sql_test.rb
index ce836eded7..4bfa799a96 100644
--- a/activerecord/test/cases/arel/visitors/to_sql_test.rb
+++ b/activerecord/test/cases/arel/visitors/to_sql_test.rb
@@ -155,6 +155,43 @@ module Arel
end
end
+ describe "Nodes::IsNotDistinctFrom" do
+ it "should construct a valid generic SQL statement" do
+ test = Table.new(:users)[:name].is_not_distinct_from "Aaron Patterson"
+ compile(test).must_be_like %{
+ CASE WHEN "users"."name" = 'Aaron Patterson' OR ("users"."name" IS NULL AND 'Aaron Patterson' IS NULL) THEN 0 ELSE 1 END = 0
+ }
+ end
+
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_not_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ CASE WHEN "users"."first_name" = "users"."last_name" OR ("users"."first_name" IS NULL AND "users"."last_name" IS NULL) THEN 0 ELSE 1 END = 0
+ }
+ end
+
+ it "should handle nil" do
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsNotDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS NULL }
+ end
+ end
+
+ describe "Nodes::IsDistinctFrom" do
+ it "should handle column names on both sides" do
+ test = Table.new(:users)[:first_name].is_distinct_from Table.new(:users)[:last_name]
+ compile(test).must_be_like %{
+ CASE WHEN "users"."first_name" = "users"."last_name" OR ("users"."first_name" IS NULL AND "users"."last_name" IS NULL) THEN 0 ELSE 1 END = 1
+ }
+ end
+
+ it "should handle nil" do
+ val = Nodes.build_quoted(nil, @table[:active])
+ sql = compile Nodes::IsDistinctFrom.new(@table[:name], val)
+ sql.must_be_like %{ "users"."name" IS NOT NULL }
+ end
+ end
+
it "should visit string subclass" do
[
Class.new(String).new(":'("),
@@ -221,7 +258,7 @@ module Arel
sql.must_be_like "foo AS bar"
end
- it "should visit_Bignum" do
+ it "should visit_Integer" do
compile 8787878092
end
@@ -427,7 +464,7 @@ module Arel
compile(node).must_equal %(("products"."price" - 7))
end
- it "should handle Concatination" do
+ it "should handle Concatenation" do
table = Table.new(:users)
node = table[:name].concat(table[:name])
compile(node).must_equal %("users"."name" || "users"."name")
@@ -480,6 +517,28 @@ module Arel
end
end
+ describe "Nodes::Union" do
+ it "squashes parenthesis on multiple unions" do
+ subnode = Nodes::Union.new Arel.sql("left"), Arel.sql("right")
+ node = Nodes::Union.new subnode, Arel.sql("topright")
+ assert_equal("( left UNION right UNION topright )", compile(node))
+ subnode = Nodes::Union.new Arel.sql("left"), Arel.sql("right")
+ node = Nodes::Union.new Arel.sql("topleft"), subnode
+ assert_equal("( topleft UNION left UNION right )", compile(node))
+ end
+ end
+
+ describe "Nodes::UnionAll" do
+ it "squashes parenthesis on multiple union alls" do
+ subnode = Nodes::UnionAll.new Arel.sql("left"), Arel.sql("right")
+ node = Nodes::UnionAll.new subnode, Arel.sql("topright")
+ assert_equal("( left UNION ALL right UNION ALL topright )", compile(node))
+ subnode = Nodes::UnionAll.new Arel.sql("left"), Arel.sql("right")
+ node = Nodes::UnionAll.new Arel.sql("topleft"), subnode
+ assert_equal("( topleft UNION ALL left UNION ALL right )", compile(node))
+ end
+ end
+
describe "Nodes::NotIn" do
it "should know how to visit" do
node = @attr.not_in [1, 2, 3]