diff options
Diffstat (limited to 'activerecord')
6 files changed, 62 insertions, 6 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 1114cdb94d..22d7c96717 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,7 @@ +* Only use BINARY for mysql case sensitive uniqueness check when column has a case insensitive collation. + + *Ryuta Kamizono* + * Fix validation on uniqueness of empty association. *Evgeny Li* diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index 8aa1ce5c04..21829b4932 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -334,6 +334,11 @@ module ActiveRecord node end + def case_sensitive_comparison(table, attribute, column, value) + value = case_sensitive_modifier(value) unless value.nil? + table[attribute].eq(value) + end + def case_insensitive_comparison(table, attribute, column, value) table[attribute].lower.eq(table.lower(value)) end diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb index dcbc3466b2..b17ac5ebf6 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -585,6 +585,14 @@ module ActiveRecord Arel::Nodes::Bin.new(node) end + def case_sensitive_comparison(table, attribute, column, value) + if column.case_sensitive? + table[attribute].eq(value) + else + super + end + end + def case_insensitive_comparison(table, attribute, column, value) if column.case_sensitive? super diff --git a/activerecord/lib/active_record/validations/uniqueness.rb b/activerecord/lib/active_record/validations/uniqueness.rb index 38f37f5c8a..412c0cc18a 100644 --- a/activerecord/lib/active_record/validations/uniqueness.rb +++ b/activerecord/lib/active_record/validations/uniqueness.rb @@ -59,8 +59,7 @@ module ActiveRecord # will use SQL LOWER function before comparison, unless it detects a case insensitive collation klass.connection.case_insensitive_comparison(table, attribute, column, value) else - value = klass.connection.case_sensitive_modifier(value) unless value.nil? - table[attribute].eq(value) + klass.connection.case_sensitive_comparison(table, attribute, column, value) end end diff --git a/activerecord/test/cases/adapters/mysql/case_sensitivity_test.rb b/activerecord/test/cases/adapters/mysql/case_sensitivity_test.rb index 97adb6b297..340fc95503 100644 --- a/activerecord/test/cases/adapters/mysql/case_sensitivity_test.rb +++ b/activerecord/test/cases/adapters/mysql/case_sensitivity_test.rb @@ -3,10 +3,10 @@ require 'models/person' class MysqlCaseSensitivityTest < ActiveRecord::TestCase class CollationTest < ActiveRecord::Base - validates_uniqueness_of :string_cs_column, :case_sensitive => false - validates_uniqueness_of :string_ci_column, :case_sensitive => false end + repair_validations(CollationTest) + def test_columns_include_collation_different_from_table assert_equal 'utf8_bin', CollationTest.columns_hash['string_cs_column'].collation assert_equal 'utf8_general_ci', CollationTest.columns_hash['string_ci_column'].collation @@ -18,6 +18,7 @@ class MysqlCaseSensitivityTest < ActiveRecord::TestCase end def test_case_insensitive_comparison_for_ci_column + CollationTest.validates_uniqueness_of(:string_ci_column, :case_sensitive => false) CollationTest.create!(:string_ci_column => 'A') invalid = CollationTest.new(:string_ci_column => 'a') queries = assert_sql { invalid.save } @@ -26,10 +27,29 @@ class MysqlCaseSensitivityTest < ActiveRecord::TestCase end def test_case_insensitive_comparison_for_cs_column + CollationTest.validates_uniqueness_of(:string_cs_column, :case_sensitive => false) CollationTest.create!(:string_cs_column => 'A') invalid = CollationTest.new(:string_cs_column => 'a') queries = assert_sql { invalid.save } cs_uniqueness_query = queries.detect { |q| q.match(/string_cs_column/) } assert_match(/lower/i, cs_uniqueness_query) end + + def test_case_sensitive_comparison_for_ci_column + CollationTest.validates_uniqueness_of(:string_ci_column, :case_sensitive => true) + CollationTest.create!(:string_ci_column => 'A') + invalid = CollationTest.new(:string_ci_column => 'A') + queries = assert_sql { invalid.save } + ci_uniqueness_query = queries.detect { |q| q.match(/string_ci_column/) } + assert_match(/binary/i, ci_uniqueness_query) + end + + def test_case_sensitive_comparison_for_cs_column + CollationTest.validates_uniqueness_of(:string_cs_column, :case_sensitive => true) + CollationTest.create!(:string_cs_column => 'A') + invalid = CollationTest.new(:string_cs_column => 'A') + queries = assert_sql { invalid.save } + cs_uniqueness_query = queries.detect { |q| q.match(/string_cs_column/) } + assert_no_match(/binary/i, cs_uniqueness_query) + end end diff --git a/activerecord/test/cases/adapters/mysql2/case_sensitivity_test.rb b/activerecord/test/cases/adapters/mysql2/case_sensitivity_test.rb index 6bcc113482..09bebf3071 100644 --- a/activerecord/test/cases/adapters/mysql2/case_sensitivity_test.rb +++ b/activerecord/test/cases/adapters/mysql2/case_sensitivity_test.rb @@ -3,10 +3,10 @@ require 'models/person' class Mysql2CaseSensitivityTest < ActiveRecord::TestCase class CollationTest < ActiveRecord::Base - validates_uniqueness_of :string_cs_column, :case_sensitive => false - validates_uniqueness_of :string_ci_column, :case_sensitive => false end + repair_validations(CollationTest) + def test_columns_include_collation_different_from_table assert_equal 'utf8_bin', CollationTest.columns_hash['string_cs_column'].collation assert_equal 'utf8_general_ci', CollationTest.columns_hash['string_ci_column'].collation @@ -18,6 +18,7 @@ class Mysql2CaseSensitivityTest < ActiveRecord::TestCase end def test_case_insensitive_comparison_for_ci_column + CollationTest.validates_uniqueness_of(:string_ci_column, :case_sensitive => false) CollationTest.create!(:string_ci_column => 'A') invalid = CollationTest.new(:string_ci_column => 'a') queries = assert_sql { invalid.save } @@ -26,10 +27,29 @@ class Mysql2CaseSensitivityTest < ActiveRecord::TestCase end def test_case_insensitive_comparison_for_cs_column + CollationTest.validates_uniqueness_of(:string_cs_column, :case_sensitive => false) CollationTest.create!(:string_cs_column => 'A') invalid = CollationTest.new(:string_cs_column => 'a') queries = assert_sql { invalid.save } cs_uniqueness_query = queries.detect { |q| q.match(/string_cs_column/)} assert_match(/lower/i, cs_uniqueness_query) end + + def test_case_sensitive_comparison_for_ci_column + CollationTest.validates_uniqueness_of(:string_ci_column, :case_sensitive => true) + CollationTest.create!(:string_ci_column => 'A') + invalid = CollationTest.new(:string_ci_column => 'A') + queries = assert_sql { invalid.save } + ci_uniqueness_query = queries.detect { |q| q.match(/string_ci_column/) } + assert_match(/binary/i, ci_uniqueness_query) + end + + def test_case_sensitive_comparison_for_cs_column + CollationTest.validates_uniqueness_of(:string_cs_column, :case_sensitive => true) + CollationTest.create!(:string_cs_column => 'A') + invalid = CollationTest.new(:string_cs_column => 'A') + queries = assert_sql { invalid.save } + cs_uniqueness_query = queries.detect { |q| q.match(/string_cs_column/) } + assert_no_match(/binary/i, cs_uniqueness_query) + end end |