chore: add mercury

cmd/testsql/main.go

@@ -0,0 +1,45 @@
+package main
+
+import (
+	"database/sql"
+	"log"
+
+	_ "modernc.org/sqlite"
+)
+
+func main() {
+	db, err := sql.Open("sqlite", "./test.db")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer db.Close()
+
+	_, err = db.Exec(`drop table if exists foo`)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	_, err = db.Exec(`create table foo (bar jsonb)`)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	_, err = db.Exec(`insert into foo (bar) values ('["one"]')`)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	rows, err := db.Query(`select j.value from foo, json_each(bar) j `)
+	if err != nil {
+		log.Fatal(err)
+	}
+	for rows.Next() {
+		var s string
+		err = rows.Scan(&s)
+		if err != nil {
+			log.Fatal(err)
+		}
+	
+		log.Println("GOT: ", s)
+	}
+}