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Original file line number Diff line number Diff line change
Expand Up @@ -269,7 +269,7 @@ def foreign_keys(table_name)
identifier = SQLServer::Utils.extract_identifiers(table_name)
fk_info = execute_procedure :sp_fkeys, nil, identifier.schema, nil, identifier.object, identifier.schema

grouped_fk = fk_info.group_by { |row| row["FK_NAME"] }.values.each { |group| group.sort_by! { |row| row["KEY_SEQ"] } }
grouped_fk = fk_info.group_by { |row| row["FK_NAME"] }.values.each { |group| group.sort_by! { |row| row["KEY_SEQ"] } }.reverse
grouped_fk.map do |group|
row = group.first
options = {
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28 changes: 28 additions & 0 deletions test/cases/coerced_tests.rb
Original file line number Diff line number Diff line change
Expand Up @@ -838,6 +838,34 @@ def migrate(x)
nil
end
end

# Foreign key count is the same as PostgreSQL/SQLite.
coerce_tests! :test_remove_foreign_key_on_8_0
def test_remove_foreign_key_on_8_0_coerced
connection.create_table(:sub_testings) do |t|
t.references :testing, foreign_key: true, type: :bigint
t.references :experiment, foreign_key: {to_table: :testings}, type: :bigint
end

migration = Class.new(ActiveRecord::Migration[8.0]) do
def up
change_table(:sub_testings) do |t|
t.remove_foreign_key :testings
t.remove_foreign_key :testings, column: :experiment_id
end
end
end

assert_raise(StandardError, match: /Table 'sub_testings' has no foreign key for testings$/) {
ActiveRecord::Migrator.new(:up, [migration], @schema_migration, @internal_metadata).migrate
}

foreign_keys = @connection.foreign_keys("sub_testings")
assert_equal 2, foreign_keys.size
ensure
connection.drop_table(:sub_testings, if_exists: true)
ActiveRecord::Base.clear_cache!
end
end
end
end
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