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Add support for horizontal sharding for Rails 6.1+ #108

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Add support for horizontal sharding for Rails 6.1+ #108

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12 changes: 7 additions & 5 deletions lib/database_cleaner/active_record/deletion.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,13 @@ module DatabaseCleaner
module ActiveRecord
class Deletion < Truncation
def clean
connection.disable_referential_integrity do
if pre_count? && connection.respond_to?(:pre_count_tables)
delete_tables(connection, connection.pre_count_tables(tables_to_clean(connection)))
else
delete_tables(connection, tables_to_clean(connection))
with_all_databases do |connection|
connection.disable_referential_integrity do
if pre_count? && connection.respond_to?(:pre_count_tables)
delete_tables(connection, connection.pre_count_tables(tables_to_clean(connection)))
else
delete_tables(connection, tables_to_clean(connection))
end
end
end
end
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30 changes: 18 additions & 12 deletions lib/database_cleaner/active_record/truncation.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -17,25 +17,31 @@ def initialize(opts={})
end

def clean
connection.disable_referential_integrity do
if pre_count? && connection.respond_to?(:pre_count_truncate_tables)
connection.pre_count_truncate_tables(tables_to_clean(connection))
else
connection.truncate_tables(tables_to_clean(connection))
with_all_databases do |connection|
connection.disable_referential_integrity do
if pre_count? && connection.respond_to?(:pre_count_truncate_tables)
connection.pre_count_truncate_tables(tables_to_clean(connection))
else
connection.truncate_tables(tables_to_clean(connection))
end
end
end
end

private

def connection
@connection ||= ConnectionWrapper.new(
if ::ActiveRecord.version >= Gem::Version.new("7.2")
connection_class.lease_connection
else
connection_class.connection
def with_all_databases
if ::ActiveRecord.version >= Gem::Version.new("6.1")
connection_class.connection_handler.connection_pools.each do |pool|
pool.with_connection do |connection|
connection = ConnectionWrapper.new(connection)
yield connection
end
end
)
else
connection = ConnectionWrapper.new(connection_class.connection)
yield connection
end
end

def tables_to_clean(connection)
Expand Down