torque/docs/reference/08-data-methods.md

Data Methods

Method	Options	Returns	Description
setSQL(sql statement)	SQL string	this	Change the SQL on the data table (not available with named maps)
error(callback)	callback function with a list of errors as argument	this	specifies a callback function to run if there are query errors

Example:

// SQL Example to limit the data used in the Torque map.
torqueLayer.setSQL("SELECT * FROM table LIMIT 100");