db.change.md

db.change

The change function is established to execute UPDATE or DELETE SQL. The return is the count of modefied records.

Sample

	db.change("helloWorld", "DeleteUser", {
		"country" : "China"
	});
	var count = db.change("delete * from table_user where country='China'");

API

Calling	Returning
db . change ( groupId , sqlId , params )	Number
db . change ( groupId , sqlId , params , jdbcResourceName )
db . change ( sql )
db . change ( sql , jdbcResourceName )

Parameters	Type	Description
groupId	String	"SubFolder/FileName". SubFolder is relatived from efw.sql.folder. FileName is the name of a SQL xml file.
sqlId	String	The id of a sql tag in a SQL xml file.
params	JSON Object	To send values which is requried by the SQL defined in the SQL xml file. {"param1":value1,"param2":value2,...}
jdbcResourceName	String	To execute SQL in another database resource, but not the default. For efw-4iAP, it is shared database id.
sql	String	To execute a pure SQL string.