sql syntax error: "SELECT ... WHERE foobar IS $1"

[yeaha]

Describe the bug
After upgrade to v9, some of my select statment got syntax error

To Reproduce

package main

import (
	"database/sql"
	"fmt"

	"github.com/doug-martin/goqu/v9"
	_ "github.com/doug-martin/goqu/v9/dialect/postgres"
	_ "github.com/lib/pq"
)

func main() {
	query, args, _ := goqu.Dialect("postgres").
		From("mytable").
		Prepared(true).
		Where(goqu.C("foobar").IsNull()).
		ToSQL()

	// OUTPUT: SELECT * FROM "mytable" WHERE ("foobar" IS $1)
	fmt.Println(query)

	db, _ := sql.Open("postgres", "database=test host=127.0.0.1 port=5432 sslmode=disable")

	if _, err := db.Query(query, args...); err != nil {
		// OUTPUT: panic: pq: syntax error at or near "$1"
		panic(err)
	}
}

Dialect:

• postgres

[doug-martin]

@yeaha investigating now.

[doug-martin]

v9.0.1 is published and should fix this. Let me know if you have any other issues.

Thank you for the bug report!

[yeaha]

It's work.
Thank you.