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-rw-r--r--activerecord/test/cases/adapters/sqlite3/sqlite3_adapter_test.rb40
1 files changed, 38 insertions, 2 deletions
diff --git a/activerecord/test/cases/adapters/sqlite3/sqlite3_adapter_test.rb b/activerecord/test/cases/adapters/sqlite3/sqlite3_adapter_test.rb
index d1d4d545a3..70d0a71c53 100644
--- a/activerecord/test/cases/adapters/sqlite3/sqlite3_adapter_test.rb
+++ b/activerecord/test/cases/adapters/sqlite3/sqlite3_adapter_test.rb
@@ -167,7 +167,7 @@ module ActiveRecord
data binary
)
eosql
- str = "\x80".dup.force_encoding("ASCII-8BIT")
+ str = (+"\x80").force_encoding("ASCII-8BIT")
binary = DualEncoding.new name: "いただきます!", data: str
binary.save!
assert_equal str, binary.data
@@ -176,7 +176,7 @@ module ActiveRecord
end
def test_type_cast_should_not_mutate_encoding
- name = "hello".dup.force_encoding(Encoding::ASCII_8BIT)
+ name = (+"hello").force_encoding(Encoding::ASCII_8BIT)
Owner.create(name: name)
assert_equal Encoding::ASCII_8BIT, name.encoding
ensure
@@ -345,6 +345,42 @@ module ActiveRecord
end
end
+ if ActiveRecord::Base.connection.supports_expression_index?
+ def test_expression_index
+ with_example_table do
+ @conn.add_index "ex", "max(id, number)", name: "expression"
+ index = @conn.indexes("ex").find { |idx| idx.name == "expression" }
+ assert_equal "max(id, number)", index.columns
+ end
+ end
+
+ def test_expression_index_with_where
+ with_example_table do
+ @conn.add_index "ex", "id % 10, max(id, number)", name: "expression", where: "id > 1000"
+ index = @conn.indexes("ex").find { |idx| idx.name == "expression" }
+ assert_equal "id % 10, max(id, number)", index.columns
+ assert_equal "id > 1000", index.where
+ end
+ end
+
+ def test_complicated_expression
+ with_example_table do
+ @conn.execute "CREATE INDEX expression ON ex (id % 10, (CASE WHEN number > 0 THEN max(id, number) END))WHERE(id > 1000)"
+ index = @conn.indexes("ex").find { |idx| idx.name == "expression" }
+ assert_equal "id % 10, (CASE WHEN number > 0 THEN max(id, number) END)", index.columns
+ assert_equal "(id > 1000)", index.where
+ end
+ end
+
+ def test_not_everything_an_expression
+ with_example_table do
+ @conn.add_index "ex", "id, max(id, number)", name: "expression"
+ index = @conn.indexes("ex").find { |idx| idx.name == "expression" }
+ assert_equal "id, max(id, number)", index.columns
+ end
+ end
+ end
+
def test_primary_key
with_example_table do
assert_equal "id", @conn.primary_key("ex")