Package path refactor.

statement.go

@@ -0,0 +1,79 @@
+package jet
+
+import (
+	"context"
+	"database/sql"
+	"github.com/go-jet/jet/execution"
+	"strconv"
+	"strings"
+)
+
+type Statement interface {
+	// String returns generated SQL as string.
+	Sql() (query string, args []interface{}, err error)
+
+	DebugSql() (query string, err error)
+
+	Query(db execution.Db, destination interface{}) error
+	QueryContext(db execution.Db, context context.Context, destination interface{}) error
+
+	Exec(db execution.Db) (sql.Result, error)
+	ExecContext(db execution.Db, context context.Context) (sql.Result, error)
+}
+
+func DebugSql(statement Statement) (string, error) {
+	sqlQuery, args, err := statement.Sql()
+
+	if err != nil {
+		return "", err
+	}
+
+	debugSqlQuery := sqlQuery
+
+	for i, arg := range args {
+		argPlaceholder := "$" + strconv.Itoa(i+1)
+		debugSqlQuery = strings.Replace(debugSqlQuery, argPlaceholder, ArgToString(arg), 1)
+	}
+
+	return debugSqlQuery, nil
+}
+
+func Query(statement Statement, db execution.Db, destination interface{}) error {
+	query, args, err := statement.Sql()
+
+	if err != nil {
+		return err
+	}
+
+	return execution.Query(db, context.Background(), query, args, destination)
+}
+
+func QueryContext(statement Statement, db execution.Db, context context.Context, destination interface{}) error {
+	query, args, err := statement.Sql()
+
+	if err != nil {
+		return err
+	}
+
+	return execution.Query(db, context, query, args, destination)
+}
+
+func Exec(statement Statement, db execution.Db) (res sql.Result, err error) {
+	query, args, err := statement.Sql()
+
+	if err != nil {
+		return
+	}
+
+	return db.Exec(query, args...)
+}
+
+func ExecContext(statement Statement, db execution.Db, context context.Context) (res sql.Result, err error) {
+	query, args, err := statement.Sql()
+
+	if err != nil {
+		return
+	}
+
+	return db.ExecContext(context, query, args...)
+}