mongoqp

mongoqp

A MongoDB Query Filter Documents parser for Go.

The expression, please see MongoDB's document: https://docs.mongodb.com/manual/tutorial/query-documents

An example expression is like:

{ status: "A", age: { $lt: 30 } }

Usage

package main

import (
	"fmt"

	"github.com/clia/mongoqp"
)

func main() {
	parser := mongoqp.Parser{}

	exp, err := parser.Parse(`{ R_STAT: 10 }`)
	if err != nil {
		fmt.Printf("%s\n", err.Error())
	} else {
		fmt.Printf("%#v\n", exp)
		fmt.Printf("%#v\n", exp.Properties[0])
		fmt.Printf("%#v\n", exp.Properties[0].Value)
	}

	exp2, err := parser.Parse(`{ ERR_S: { $gte: 1 } }`)
	if err != nil {
		fmt.Printf("%s\n", err.Error())
	} else {
		fmt.Printf("%#v\n", exp2)
		fmt.Printf("%#v\n", exp2.Properties[0].Value)
	}
}