def rename_table(old_tablename, new_tablename)
raise "Cannot rename table running in client mode!" if client?
raise "Table does not exist!" unless table_exists?(old_tablename)
raise(ArgumentError, 'Existing table name must be a symbol!') \
unless old_tablename.is_a?(Symbol)
raise(ArgumentError, 'New table name must be a symbol!') unless \
new_tablename.is_a?(Symbol)
raise "Table already exists!" if table_exists?(new_tablename)
@table_hash.delete(old_tablename)
@engine.rename_table(old_tablename, new_tablename)
get_table(new_tablename)
end
def drop_table(tablename)
raise(ArgumentError, 'Table name must be a symbol!') unless \
tablename.is_a?(Symbol)
raise "Table does not exist!" unless table_exists?(tablename)
@table_hash.delete(tablename)
return @engine.delete_table(tablename)
end
def table_exists?(tablename)
raise(ArgumentError, 'Table name must be a symbol!') unless \
tablename.is_a?(Symbol)
return @engine.table_exists?(tablename)
end
end