Add query interface (#695)
* add query interface * fix tests of query interface
This commit is contained in:
Lunny Xiao
GitHub
parent
d2ffc61745
commit
763e1b21e6
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@ -1354,6 +1354,13 @@ func (engine *Engine) QueryString(sqlStr string, args ...interface{}) ([]map[str
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return session.QueryString(sqlStr, args...)
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}
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// QueryInterface runs a raw sql and return records as []map[string]interface{}
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func (engine *Engine) QueryInterface(sqlStr string, args ...interface{}) ([]map[string]interface{}, error) {
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session := engine.NewSession()
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defer session.Close()
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return session.QueryInterface(sqlStr, args...)
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}
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// Insert one or more records
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func (engine *Engine) Insert(beans ...interface{}) (int64, error) {
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session := engine.NewSession()
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@ -0,0 +1,182 @@
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// Copyright 2017 The Xorm Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package xorm
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import (
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"fmt"
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"reflect"
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"strconv"
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"time"
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"github.com/go-xorm/core"
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)
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// Query runs a raw sql and return records as []map[string][]byte
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func (session *Session) Query(sqlStr string, args ...interface{}) ([]map[string][]byte, error) {
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if session.isAutoClose {
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defer session.Close()
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}
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return session.queryBytes(sqlStr, args...)
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}
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func reflect2value(rawValue *reflect.Value) (str string, err error) {
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aa := reflect.TypeOf((*rawValue).Interface())
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vv := reflect.ValueOf((*rawValue).Interface())
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switch aa.Kind() {
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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str = strconv.FormatInt(vv.Int(), 10)
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case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
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str = strconv.FormatUint(vv.Uint(), 10)
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case reflect.Float32, reflect.Float64:
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str = strconv.FormatFloat(vv.Float(), 'f', -1, 64)
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case reflect.String:
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str = vv.String()
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case reflect.Array, reflect.Slice:
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switch aa.Elem().Kind() {
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case reflect.Uint8:
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data := rawValue.Interface().([]byte)
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str = string(data)
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default:
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err = fmt.Errorf("Unsupported struct type %v", vv.Type().Name())
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}
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// time type
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case reflect.Struct:
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if aa.ConvertibleTo(core.TimeType) {
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str = vv.Convert(core.TimeType).Interface().(time.Time).Format(time.RFC3339Nano)
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} else {
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err = fmt.Errorf("Unsupported struct type %v", vv.Type().Name())
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}
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case reflect.Bool:
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str = strconv.FormatBool(vv.Bool())
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case reflect.Complex128, reflect.Complex64:
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str = fmt.Sprintf("%v", vv.Complex())
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/* TODO: unsupported types below
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case reflect.Map:
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case reflect.Ptr:
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case reflect.Uintptr:
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case reflect.UnsafePointer:
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case reflect.Chan, reflect.Func, reflect.Interface:
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*/
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default:
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err = fmt.Errorf("Unsupported struct type %v", vv.Type().Name())
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}
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return
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}
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func value2String(rawValue *reflect.Value) (data string, err error) {
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data, err = reflect2value(rawValue)
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if err != nil {
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return
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}
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return
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}
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func row2mapStr(rows *core.Rows, fields []string) (resultsMap map[string]string, err error) {
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result := make(map[string]string)
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scanResultContainers := make([]interface{}, len(fields))
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for i := 0; i < len(fields); i++ {
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var scanResultContainer interface{}
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scanResultContainers[i] = &scanResultContainer
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}
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if err := rows.Scan(scanResultContainers...); err != nil {
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return nil, err
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}
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for ii, key := range fields {
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rawValue := reflect.Indirect(reflect.ValueOf(scanResultContainers[ii]))
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// if row is null then as empty string
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if rawValue.Interface() == nil {
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result[key] = ""
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continue
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}
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if data, err := value2String(&rawValue); err == nil {
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result[key] = data
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} else {
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return nil, err
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}
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}
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return result, nil
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}
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func rows2Strings(rows *core.Rows) (resultsSlice []map[string]string, err error) {
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fields, err := rows.Columns()
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if err != nil {
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return nil, err
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}
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for rows.Next() {
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result, err := row2mapStr(rows, fields)
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if err != nil {
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return nil, err
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}
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resultsSlice = append(resultsSlice, result)
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}
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return resultsSlice, nil
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}
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// QueryString runs a raw sql and return records as []map[string]string
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func (session *Session) QueryString(sqlStr string, args ...interface{}) ([]map[string]string, error) {
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if session.isAutoClose {
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defer session.Close()
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}
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rows, err := session.queryRows(sqlStr, args...)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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return rows2Strings(rows)
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}
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func row2mapInterface(rows *core.Rows, fields []string) (resultsMap map[string]interface{}, err error) {
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resultsMap = make(map[string]interface{}, len(fields))
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scanResultContainers := make([]interface{}, len(fields))
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for i := 0; i < len(fields); i++ {
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var scanResultContainer interface{}
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scanResultContainers[i] = &scanResultContainer
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}
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if err := rows.Scan(scanResultContainers...); err != nil {
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return nil, err
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}
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for ii, key := range fields {
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resultsMap[key] = reflect.Indirect(reflect.ValueOf(scanResultContainers[ii])).Interface()
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}
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return
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}
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func rows2Interfaces(rows *core.Rows) (resultsSlice []map[string]interface{}, err error) {
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fields, err := rows.Columns()
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if err != nil {
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return nil, err
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}
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for rows.Next() {
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result, err := row2mapInterface(rows, fields)
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if err != nil {
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return nil, err
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}
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resultsSlice = append(resultsSlice, result)
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}
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return resultsSlice, nil
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}
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// QueryInterface runs a raw sql and return records as []map[string]interface{}
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func (session *Session) QueryInterface(sqlStr string, args ...interface{}) ([]map[string]interface{}, error) {
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if session.isAutoClose {
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defer session.Close()
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}
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rows, err := session.queryRows(sqlStr, args...)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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return rows2Interfaces(rows)
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}
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@ -0,0 +1,112 @@
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// Copyright 2017 The Xorm Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package xorm
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import (
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"fmt"
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"strconv"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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func TestQueryString(t *testing.T) {
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assert.NoError(t, prepareEngine())
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type GetVar struct {
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Id int64 `xorm:"autoincr pk"`
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Msg string `xorm:"varchar(255)"`
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Age int
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Money float32
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Created time.Time `xorm:"created"`
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}
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assert.NoError(t, testEngine.Sync2(new(GetVar)))
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var data = GetVar{
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Msg: "hi",
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Age: 28,
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Money: 1.5,
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}
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_, err := testEngine.InsertOne(data)
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assert.NoError(t, err)
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records, err := testEngine.QueryString("select * from get_var")
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assert.NoError(t, err)
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assert.Equal(t, 1, len(records))
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assert.Equal(t, 5, len(records[0]))
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assert.Equal(t, "1", records[0]["id"])
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assert.Equal(t, "hi", records[0]["msg"])
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assert.Equal(t, "28", records[0]["age"])
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assert.Equal(t, "1.5", records[0]["money"])
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}
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func toString(i interface{}) string {
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switch i.(type) {
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case []byte:
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return string(i.([]byte))
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case string:
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return i.(string)
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}
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return fmt.Sprintf("%v", i)
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}
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func toInt64(i interface{}) int64 {
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switch i.(type) {
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case []byte:
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n, _ := strconv.ParseInt(string(i.([]byte)), 10, 64)
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return n
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case int:
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return int64(i.(int))
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case int64:
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return i.(int64)
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}
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return 0
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}
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func toFloat64(i interface{}) float64 {
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switch i.(type) {
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case []byte:
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n, _ := strconv.ParseFloat(string(i.([]byte)), 64)
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return n
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case float64:
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return i.(float64)
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case float32:
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return float64(i.(float32))
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}
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return 0
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}
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func TestQueryInterface(t *testing.T) {
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assert.NoError(t, prepareEngine())
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type GetVarInterface struct {
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Id int64 `xorm:"autoincr pk"`
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Msg string `xorm:"varchar(255)"`
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Age int
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Money float32
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Created time.Time `xorm:"created"`
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}
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assert.NoError(t, testEngine.Sync2(new(GetVarInterface)))
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var data = GetVarInterface{
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Msg: "hi",
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Age: 28,
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Money: 1.5,
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}
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_, err := testEngine.InsertOne(data)
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assert.NoError(t, err)
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records, err := testEngine.QueryInterface("select * from get_var_interface")
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assert.NoError(t, err)
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assert.Equal(t, 1, len(records))
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assert.Equal(t, 5, len(records[0]))
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assert.EqualValues(t, 1, toInt64(records[0]["id"]))
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assert.Equal(t, "hi", toString(records[0]["msg"]))
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assert.EqualValues(t, 28, toInt64(records[0]["age"]))
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assert.EqualValues(t, 1.5, toFloat64(records[0]["money"]))
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}
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230
session_raw.go
230
session_raw.go
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@ -6,164 +6,12 @@ package xorm
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import (
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"database/sql"
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"fmt"
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"reflect"
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"strconv"
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"time"
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"github.com/go-xorm/core"
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)
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func rows2maps(rows *core.Rows) (resultsSlice []map[string][]byte, err error) {
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fields, err := rows.Columns()
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if err != nil {
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return nil, err
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}
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for rows.Next() {
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result, err := row2map(rows, fields)
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if err != nil {
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return nil, err
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}
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resultsSlice = append(resultsSlice, result)
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}
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return resultsSlice, nil
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}
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func value2Bytes(rawValue *reflect.Value) (data []byte, err error) {
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var str string
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str, err = reflect2value(rawValue)
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if err != nil {
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return
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}
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data = []byte(str)
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return
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}
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func row2map(rows *core.Rows, fields []string) (resultsMap map[string][]byte, err error) {
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result := make(map[string][]byte)
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scanResultContainers := make([]interface{}, len(fields))
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for i := 0; i < len(fields); i++ {
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var scanResultContainer interface{}
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scanResultContainers[i] = &scanResultContainer
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}
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if err := rows.Scan(scanResultContainers...); err != nil {
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return nil, err
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}
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for ii, key := range fields {
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rawValue := reflect.Indirect(reflect.ValueOf(scanResultContainers[ii]))
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//if row is null then ignore
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if rawValue.Interface() == nil {
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//fmt.Println("ignore ...", key, rawValue)
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continue
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}
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if data, err := value2Bytes(&rawValue); err == nil {
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result[key] = data
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} else {
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return nil, err // !nashtsai! REVIEW, should return err or just error log?
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}
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}
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return result, nil
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}
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func rows2Strings(rows *core.Rows) (resultsSlice []map[string]string, err error) {
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fields, err := rows.Columns()
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if err != nil {
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return nil, err
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}
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for rows.Next() {
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result, err := row2mapStr(rows, fields)
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if err != nil {
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return nil, err
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}
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resultsSlice = append(resultsSlice, result)
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}
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return resultsSlice, nil
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}
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func reflect2value(rawValue *reflect.Value) (str string, err error) {
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aa := reflect.TypeOf((*rawValue).Interface())
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vv := reflect.ValueOf((*rawValue).Interface())
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switch aa.Kind() {
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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str = strconv.FormatInt(vv.Int(), 10)
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case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
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str = strconv.FormatUint(vv.Uint(), 10)
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case reflect.Float32, reflect.Float64:
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str = strconv.FormatFloat(vv.Float(), 'f', -1, 64)
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case reflect.String:
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str = vv.String()
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case reflect.Array, reflect.Slice:
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switch aa.Elem().Kind() {
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case reflect.Uint8:
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data := rawValue.Interface().([]byte)
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str = string(data)
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default:
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err = fmt.Errorf("Unsupported struct type %v", vv.Type().Name())
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}
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// time type
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case reflect.Struct:
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if aa.ConvertibleTo(core.TimeType) {
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str = vv.Convert(core.TimeType).Interface().(time.Time).Format(time.RFC3339Nano)
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} else {
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err = fmt.Errorf("Unsupported struct type %v", vv.Type().Name())
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}
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case reflect.Bool:
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str = strconv.FormatBool(vv.Bool())
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case reflect.Complex128, reflect.Complex64:
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str = fmt.Sprintf("%v", vv.Complex())
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/* TODO: unsupported types below
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case reflect.Map:
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case reflect.Ptr:
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case reflect.Uintptr:
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case reflect.UnsafePointer:
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case reflect.Chan, reflect.Func, reflect.Interface:
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*/
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default:
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err = fmt.Errorf("Unsupported struct type %v", vv.Type().Name())
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}
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return
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}
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func value2String(rawValue *reflect.Value) (data string, err error) {
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data, err = reflect2value(rawValue)
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if err != nil {
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return
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}
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return
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}
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func row2mapStr(rows *core.Rows, fields []string) (resultsMap map[string]string, err error) {
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result := make(map[string]string)
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scanResultContainers := make([]interface{}, len(fields))
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for i := 0; i < len(fields); i++ {
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var scanResultContainer interface{}
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scanResultContainers[i] = &scanResultContainer
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}
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if err := rows.Scan(scanResultContainers...); err != nil {
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return nil, err
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}
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for ii, key := range fields {
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rawValue := reflect.Indirect(reflect.ValueOf(scanResultContainers[ii]))
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// if row is null then as empty string
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if rawValue.Interface() == nil {
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result[key] = ""
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continue
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}
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if data, err := value2String(&rawValue); err == nil {
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result[key] = data
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} else {
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return nil, err
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}
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}
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return result, nil
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}
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func (session *Session) queryPreprocess(sqlStr *string, paramStr ...interface{}) {
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for _, filter := range session.engine.dialect.Filters() {
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*sqlStr = filter.Do(*sqlStr, session.engine.dialect, session.statement.RefTable)
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@ -231,6 +79,60 @@ func (session *Session) queryRow(sqlStr string, args ...interface{}) *core.Row {
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return core.NewRow(session.queryRows(sqlStr, args...))
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}
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func value2Bytes(rawValue *reflect.Value) (data []byte, err error) {
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var str string
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str, err = reflect2value(rawValue)
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if err != nil {
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return
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}
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data = []byte(str)
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return
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}
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func row2map(rows *core.Rows, fields []string) (resultsMap map[string][]byte, err error) {
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result := make(map[string][]byte)
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scanResultContainers := make([]interface{}, len(fields))
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for i := 0; i < len(fields); i++ {
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var scanResultContainer interface{}
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scanResultContainers[i] = &scanResultContainer
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}
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if err := rows.Scan(scanResultContainers...); err != nil {
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return nil, err
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}
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|
||||
for ii, key := range fields {
|
||||
rawValue := reflect.Indirect(reflect.ValueOf(scanResultContainers[ii]))
|
||||
//if row is null then ignore
|
||||
if rawValue.Interface() == nil {
|
||||
result[key] = []byte{}
|
||||
continue
|
||||
}
|
||||
|
||||
if data, err := value2Bytes(&rawValue); err == nil {
|
||||
result[key] = data
|
||||
} else {
|
||||
return nil, err // !nashtsai! REVIEW, should return err or just error log?
|
||||
}
|
||||
}
|
||||
return result, nil
|
||||
}
|
||||
|
||||
func rows2maps(rows *core.Rows) (resultsSlice []map[string][]byte, err error) {
|
||||
fields, err := rows.Columns()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
for rows.Next() {
|
||||
result, err := row2map(rows, fields)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
resultsSlice = append(resultsSlice, result)
|
||||
}
|
||||
|
||||
return resultsSlice, nil
|
||||
}
|
||||
|
||||
func (session *Session) queryBytes(sqlStr string, args ...interface{}) ([]map[string][]byte, error) {
|
||||
rows, err := session.queryRows(sqlStr, args...)
|
||||
if err != nil {
|
||||
|
|
@ -241,30 +143,6 @@ func (session *Session) queryBytes(sqlStr string, args ...interface{}) ([]map[st
|
|||
return rows2maps(rows)
|
||||
}
|
||||
|
||||
// Query runs a raw sql and return records as []map[string][]byte
|
||||
func (session *Session) Query(sqlStr string, args ...interface{}) ([]map[string][]byte, error) {
|
||||
if session.isAutoClose {
|
||||
defer session.Close()
|
||||
}
|
||||
|
||||
return session.queryBytes(sqlStr, args...)
|
||||
}
|
||||
|
||||
// QueryString runs a raw sql and return records as []map[string]string
|
||||
func (session *Session) QueryString(sqlStr string, args ...interface{}) ([]map[string]string, error) {
|
||||
if session.isAutoClose {
|
||||
defer session.Close()
|
||||
}
|
||||
|
||||
rows, err := session.queryRows(sqlStr, args...)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer rows.Close()
|
||||
|
||||
return rows2Strings(rows)
|
||||
}
|
||||
|
||||
func (session *Session) exec(sqlStr string, args ...interface{}) (sql.Result, error) {
|
||||
defer session.resetStatement()
|
||||
|
||||
|
|
|
|||
|
|
@ -7,42 +7,10 @@ package xorm
|
|||
import (
|
||||
"strconv"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
)
|
||||
|
||||
func TestQueryString(t *testing.T) {
|
||||
assert.NoError(t, prepareEngine())
|
||||
|
||||
type GetVar struct {
|
||||
Id int64 `xorm:"autoincr pk"`
|
||||
Msg string `xorm:"varchar(255)"`
|
||||
Age int
|
||||
Money float32
|
||||
Created time.Time `xorm:"created"`
|
||||
}
|
||||
|
||||
assert.NoError(t, testEngine.Sync2(new(GetVar)))
|
||||
|
||||
var data = GetVar{
|
||||
Msg: "hi",
|
||||
Age: 28,
|
||||
Money: 1.5,
|
||||
}
|
||||
_, err := testEngine.InsertOne(data)
|
||||
assert.NoError(t, err)
|
||||
|
||||
records, err := testEngine.QueryString("select * from get_var")
|
||||
assert.NoError(t, err)
|
||||
assert.Equal(t, 1, len(records))
|
||||
assert.Equal(t, 5, len(records[0]))
|
||||
assert.Equal(t, "1", records[0]["id"])
|
||||
assert.Equal(t, "hi", records[0]["msg"])
|
||||
assert.Equal(t, "28", records[0]["age"])
|
||||
assert.Equal(t, "1.5", records[0]["money"])
|
||||
}
|
||||
|
||||
func TestQuery(t *testing.T) {
|
||||
assert.NoError(t, prepareEngine())
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue