module DataMapper::Adapters::SqliteAdapterMethods
Public Instance Methods
disable_referential_integrity() { || ... }
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this is a no-op copied from activerecord i didn’t find out if/how this is possible activerecord also doesn’t do more here
# File lib/database_cleaner/data_mapper/truncation.rb, line 69 def disable_referential_integrity yield end
storage_names(repository = :default)
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taken from github.com/godfat/dm-mapping/tree/master
# File lib/database_cleaner/data_mapper/truncation.rb, line 48 def storage_names(repository = :default) # activerecord-2.1.0/lib/active_record/connection_adapters/sqlite_adapter.rb: 177 sql = <<-SQL SELECT name FROM sqlite_master WHERE type = 'table' AND NOT name = 'sqlite_sequence' SQL # activerecord-2.1.0/lib/active_record/connection_adapters/sqlite_adapter.rb: 181 select(sql) end
truncate_table(table_name)
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# File lib/database_cleaner/data_mapper/truncation.rb, line 59 def truncate_table(table_name) execute("DELETE FROM #{quote_name(table_name)};") if uses_sequence? execute("DELETE FROM sqlite_sequence where name = '#{table_name}';") end end
Private Instance Methods
uses_sequence?()
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Returns a boolean indicating if the SQLite database is using the sqlite_sequence table.
# File lib/database_cleaner/data_mapper/truncation.rb, line 76 def uses_sequence? sql = <<-SQL SELECT name FROM sqlite_master WHERE type='table' AND name='sqlite_sequence' SQL select(sql).first end