func Start(ctx context.Context, dbhost, sql string) (*SqlCtx, error) 
func StartOpen(ctx context.Context, dbhost string) (*SqlCtx, error)
func StartWithParam(ctx context.Context, dbhost, sql string, param ...interface{}) (*SqlCtx, error)
func StartWithParamArray(ctx context.Context, dbhost, sql string, param []interface{}) (*SqlCtx, error)
func End(sqlCtx *SqlCtx, err error) error 

import (
	"database/sql"
	_ "github.com/go-sql-driver/mysql"
	whatapsql "github.com/whatap/go-api/sql"
)

func main() {
	config := make(map[string]string)
	trace.Init(config)
	//It must be executed before closing the app.
	defer trace.Shutdown()
	   
	sqlCtx, _ := whatapsql.StartOpen(ctx, dataSource)
	db, err := sql.Open(mysql, dataSource)
	whatapsql.End(sqlCtx, err)
	
	if err != nil {
		fmt.Println("Error whatapsql.Open ", err)
		return
	}
	defer db.Close()
	
	// SQL query with multiple rows
	var id int
	var subject string
	var query = "select id, subject from tbl_faq limit 10"
	
	sqlCtx, _ = whatapsql.Start(ctx, dataSource, query)
	rows, err := db.Query(query)
	whatapsql.End(sqlCtx, err)
	
	if err != nil {
		fmt.Println("Error db.QueryContext ", err)
		return
	}
	defer rows.Close() //Be sure to close it (delayed closing).
	
	for rows.Next() {
		err := rows.Scan(&id, &subject)
		if err != nil {
			break
		}
		fmt.Println(id, subject)
		buffer.WriteString(fmt.Sprintln(id, subject, "<br>"))
	}
}        

import (
	"database/sql"
	_ "github.com/go-sql-driver/mysql"
	"github.com/whatap/go-api/instrumentation/database/sql/whatapsql"
)


func main() {
	config := make(map[string]string)
	trace.Init(config)
	defer trace.Shutdown()
	
	// whatap TraceCtx is created inside whataphttp.Func. 
	http.HandleFunc("/query", whataphttp.Func(func(w http.ResponseWriter, r *http.Request) {
		ctx := r.Context()
		
		// Use the WhaTap Driver. It delivers the context with the whatap's TraceCtx. 
		db, err := whatapsql.OpenContext(ctx, "mysql", dataSource)
		if err != nil {
		fmt.Println("Error whatapsql.Open ", err)
		return
		}
		defer db.Close()
		
		... 
		query := "select id, subject from tbl_faq limit 10"
		
		// It delivers the context with whatap TraceCtx. 
		if rows, err := db.QueryContext(ctx, query); err == nil {
		...
		}
	}
	
	...
}