update_batch not working with where clause about node-querybuilder HOT 2 CLOSED

/home/mohd/app/express-test/node_modules/mysql/lib/protocol/Parser.js:80
        throw err; // Rethrow non-MySQL errors
        ^

TypeError: Assignment to constant variable.
    at exec (/home/mohd/app/express-test/node_modules/node-querybuilder/drivers/mysql/query_exec.js:154:37)
    at Query.conn.query [as _callback] (/home/mohd/app/express-test/node_modules/node-querybuilder/drivers/mysql/query_exec.js:31:17)
    at Query.Sequence.end (/home/mohd/app/express-test/node_modules/mysql/lib/protocol/sequences/Sequence.js:88:24)
    at Query._handleFinalResultPacket (/home/mohd/app/express-test/node_modules/mysql/lib/protocol/sequences/Query.js:139:8)
    at Query.OkPacket (/home/mohd/app/express-test/node_modules/mysql/lib/protocol/sequences/Query.js:72:10)
    at Protocol._parsePacket (/home/mohd/app/express-test/node_modules/mysql/lib/protocol/Protocol.js:279:23)
    at Parser.write (/home/mohd/app/express-test/node_modules/mysql/lib/protocol/Parser.js:76:12)
    at Protocol.write (/home/mohd/app/express-test/node_modules/mysql/lib/protocol/Protocol.js:39:16)
    at Socket.<anonymous> (/home/mohd/app/express-test/node_modules/mysql/lib/Connection.js:103:28)
    at emitOne (events.js:116:13)