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// Copyright 2017 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"fmt"
"reflect"
"strconv"
"time"
"xorm.io/xorm/core"
"xorm.io/xorm/schemas"
)
// Query runs a raw sql and return records as []map[string][]byte
func (session *Session) Query(sqlOrArgs ...interface{}) ([]map[string][]byte, error) {
if session.isAutoClose {
defer session.Close()
}
sqlStr, args, err := session.statement.GenQuerySQL(sqlOrArgs...)
if err != nil {
return nil, err
}
return session.queryBytes(sqlStr, args...)
}
func value2String(rawValue *reflect.Value) (str string, err error) {
aa := reflect.TypeOf((*rawValue).Interface())
vv := reflect.ValueOf((*rawValue).Interface())
switch aa.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
str = strconv.FormatInt(vv.Int(), 10)
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
str = strconv.FormatUint(vv.Uint(), 10)
case reflect.Float32, reflect.Float64:
str = strconv.FormatFloat(vv.Float(), 'f', -1, 64)
case reflect.String:
str = vv.String()
case reflect.Array, reflect.Slice:
switch aa.Elem().Kind() {
case reflect.Uint8:
data := rawValue.Interface().([]byte)
str = string(data)
if str == "\x00" {
str = "0"
}
default:
err = fmt.Errorf("Unsupported struct type %v", vv.Type().Name())
}
// time type
case reflect.Struct:
if aa.ConvertibleTo(schemas.TimeType) {
str = vv.Convert(schemas.TimeType).Interface().(time.Time).Format(time.RFC3339Nano)
} else {
err = fmt.Errorf("Unsupported struct type %v", vv.Type().Name())
}
case reflect.Bool:
str = strconv.FormatBool(vv.Bool())
case reflect.Complex128, reflect.Complex64:
str = fmt.Sprintf("%v", vv.Complex())
/* TODO: unsupported types below
case reflect.Map:
case reflect.Ptr:
case reflect.Uintptr:
case reflect.UnsafePointer:
case reflect.Chan, reflect.Func, reflect.Interface:
*/
default:
err = fmt.Errorf("Unsupported struct type %v", vv.Type().Name())
}
return
}
func (session *Session) rows2Strings(rows *core.Rows) (resultsSlice []map[string]string, err error) {
fields, err := rows.Columns()
if err != nil {
return nil, err
}
types, err := rows.ColumnTypes()
if err != nil {
return nil, err
}
for rows.Next() {
result, err := session.engine.row2mapStr(rows, types, fields)
if err != nil {
return nil, err
}
resultsSlice = append(resultsSlice, result)
}
return resultsSlice, nil
}
func (session *Session) rows2SliceString(rows *core.Rows) (resultsSlice [][]string, err error) {
fields, err := rows.Columns()
if err != nil {
return nil, err
}
types, err := rows.ColumnTypes()
if err != nil {
return nil, err
}
for rows.Next() {
record, err := session.engine.row2sliceStr(rows, types, fields)
if err != nil {
return nil, err
}
resultsSlice = append(resultsSlice, record)
}
return resultsSlice, nil
}
// QueryString runs a raw sql and return records as []map[string]string
func (session *Session) QueryString(sqlOrArgs ...interface{}) ([]map[string]string, error) {
if session.isAutoClose {
defer session.Close()
}
sqlStr, args, err := session.statement.GenQuerySQL(sqlOrArgs...)
if err != nil {
return nil, err
}
rows, err := session.queryRows(sqlStr, args...)
if err != nil {
return nil, err
}
defer rows.Close()
return session.rows2Strings(rows)
}
// QuerySliceString runs a raw sql and return records as [][]string
func (session *Session) QuerySliceString(sqlOrArgs ...interface{}) ([][]string, error) {
if session.isAutoClose {
defer session.Close()
}
sqlStr, args, err := session.statement.GenQuerySQL(sqlOrArgs...)
if err != nil {
return nil, err
}
rows, err := session.queryRows(sqlStr, args...)
if err != nil {
return nil, err
}
defer rows.Close()
return session.rows2SliceString(rows)
}
func row2mapInterface(rows *core.Rows, fields []string) (resultsMap map[string]interface{}, err error) {
resultsMap = make(map[string]interface{}, len(fields))
scanResultContainers := make([]interface{}, len(fields))
for i := 0; i < len(fields); i++ {
var scanResultContainer interface{}
scanResultContainers[i] = &scanResultContainer
}
if err := rows.Scan(scanResultContainers...); err != nil {
return nil, err
}
for ii, key := range fields {
resultsMap[key] = reflect.Indirect(reflect.ValueOf(scanResultContainers[ii])).Interface()
}
return
}
func rows2Interfaces(rows *core.Rows) (resultsSlice []map[string]interface{}, err error) {
fields, err := rows.Columns()
if err != nil {
return nil, err
}
for rows.Next() {
result, err := row2mapInterface(rows, fields)
if err != nil {
return nil, err
}
resultsSlice = append(resultsSlice, result)
}
return resultsSlice, nil
}
// QueryInterface runs a raw sql and return records as []map[string]interface{}
func (session *Session) QueryInterface(sqlOrArgs ...interface{}) ([]map[string]interface{}, error) {
if session.isAutoClose {
defer session.Close()
}
sqlStr, args, err := session.statement.GenQuerySQL(sqlOrArgs...)
if err != nil {
return nil, err
}
rows, err := session.queryRows(sqlStr, args...)
if err != nil {
return nil, err
}
defer rows.Close()
return rows2Interfaces(rows)
}
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