Class: ActiveRecord::ConnectionAdapters::TokyoCabinetAdapter
Instance Method Summary
collapse
#delete_sql, #insert_sql, #select, #supports_count_distinct?, #update_sql
Constructor Details
#initialize(connection, logger, config) ⇒ TokyoCabinetAdapter
Returns a new instance of TokyoCabinetAdapter.
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# File 'lib/active_record/connection_adapters/tokyocabinet_adapter.rb', line 21
def initialize(connection, logger, config)
super(connection, logger, TokyoCabinet::TDBQRY)
@config = config
end
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Instance Method Details
#setindex(table_name, name, type) ⇒ Object
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# File 'lib/active_record/connection_adapters/tokyocabinet_adapter.rb', line 71
def setindex(table_name, name, type)
type = {
:lexical => TokyoCabinet::TDB::ITLEXICAL,
:decimal => TokyoCabinet::TDB::ITDECIMAL,
:token => TokyoCabinet::TDB::ITTOKEN,
:qgram => TokyoCabinet::TDB::ITQGRAM,
:void => TokyoCabinet::TDB::ITVOID,
:keep => TokyoCabinet::TDB::ITKEEP,
}.fetch(type)
name = name.to_s
path = tdbpath(table_name)
tdb = TokyoCabinet::TDB::new
unless tdb.open(path, TokyoCabinet::TDB::OWRITER | TokyoCabinet::TDB::OCREAT)
ecode = tdb.ecode
raise "%s: %s" % [tdb.errmsg(ecode), path]
end
begin
unless tdb.setindex(name, type)
ecode = tdb.ecode
raise "%s: %s" % [tdb.errmsg(ecode), path]
end
ensure
unless tdb.close
ecode = tdb.ecode
raise tdb.errmsg(ecode)
end
end
end
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#table_exists?(table_name) ⇒ Boolean
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# File 'lib/active_record/connection_adapters/tokyocabinet_adapter.rb', line 26
def table_exists?(table_name)
path = tdbpath(table_name)
File.exist?(path)
end
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#tdbopen(table_name, readonly = false) ⇒ Object
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# File 'lib/active_record/connection_adapters/tokyocabinet_adapter.rb', line 31
def tdbopen(table_name, readonly = false)
path = tdbpath(table_name)
if File.exist?(path) and readonly
omode = TokyoCabinet::TDB::OREADER
else
omode = TokyoCabinet::TDB::OWRITER | TokyoCabinet::TDB::OCREAT
end
tdb = TokyoCabinet::TDB::new
unless tdb.open(path, omode)
ecode = tdb.ecode
raise "%s: %s" % [tdb.errmsg(ecode), path]
end
begin
yield(tdb)
ensure
unless tdb.close
ecode = tdb.ecode
raise tdb.errmsg(ecode)
end
end
end
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