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package sqlc
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import (
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"database/sql"
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"runtime"
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"sync"
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"sync/atomic"
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"testing"
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"time"
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"github.com/alicebob/miniredis"
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"github.com/stretchr/testify/assert"
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"github.com/tal-tech/go-zero/core/logx"
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"github.com/tal-tech/go-zero/core/stat"
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"github.com/tal-tech/go-zero/core/stores/cache"
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"github.com/tal-tech/go-zero/core/stores/redis"
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"github.com/tal-tech/go-zero/core/stores/sqlx"
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)
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func init() {
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logx.Disable()
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stat.SetReporter(nil)
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}
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func TestCachedConn_GetCache(t *testing.T) {
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resetStats()
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s, err := miniredis.Run()
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if err != nil {
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t.Error(err)
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}
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r := redis.NewRedis(s.Addr(), redis.NodeType)
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c := NewNodeConn(dummySqlConn{}, r, cache.WithExpiry(time.Second*10))
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var value string
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err = c.GetCache("any", &value)
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assert.Equal(t, ErrNotFound, err)
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s.Set("any", `"value"`)
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err = c.GetCache("any", &value)
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assert.Nil(t, err)
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assert.Equal(t, "value", value)
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}
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func TestStat(t *testing.T) {
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resetStats()
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s, err := miniredis.Run()
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if err != nil {
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t.Error(err)
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}
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r := redis.NewRedis(s.Addr(), redis.NodeType)
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c := NewNodeConn(dummySqlConn{}, r, cache.WithExpiry(time.Second*10))
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for i := 0; i < 10; i++ {
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var str string
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err = c.QueryRow(&str, "name", func(conn sqlx.SqlConn, v interface{}) error {
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*v.(*string) = "zero"
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return nil
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})
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if err != nil {
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t.Error(err)
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}
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}
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assert.Equal(t, uint64(10), atomic.LoadUint64(&stats.Total))
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assert.Equal(t, uint64(9), atomic.LoadUint64(&stats.Hit))
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}
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func TestCachedConn_QueryRowIndex_NoCache(t *testing.T) {
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resetStats()
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s, err := miniredis.Run()
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if err != nil {
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t.Error(err)
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}
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r := redis.NewRedis(s.Addr(), redis.NodeType)
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c := NewNodeConn(dummySqlConn{}, r, cache.WithExpiry(time.Second*10))
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var str string
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err = c.QueryRowIndex(&str, "index", func(s interface{}) string {
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return fmt.Sprintf("%s/1234", s)
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}, func(conn sqlx.SqlConn, v interface{}) (interface{}, error) {
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*v.(*string) = "zero"
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return "primary", nil
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}, func(conn sqlx.SqlConn, v, pri interface{}) error {
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assert.Equal(t, "primary", pri)
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*v.(*string) = "xin"
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return nil
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})
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assert.Nil(t, err)
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assert.Equal(t, "zero", str)
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val, err := r.Get("index")
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assert.Nil(t, err)
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assert.Equal(t, `"primary"`, val)
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val, err = r.Get("primary/1234")
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assert.Nil(t, err)
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assert.Equal(t, `"zero"`, val)
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}
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func TestCachedConn_QueryRowIndex_HasCache(t *testing.T) {
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resetStats()
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s, err := miniredis.Run()
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if err != nil {
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t.Error(err)
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}
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r := redis.NewRedis(s.Addr(), redis.NodeType)
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c := NewNodeConn(dummySqlConn{}, r, cache.WithExpiry(time.Second*10),
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cache.WithNotFoundExpiry(time.Second))
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var str string
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r.Set("index", `"primary"`)
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err = c.QueryRowIndex(&str, "index", func(s interface{}) string {
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return fmt.Sprintf("%s/1234", s)
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}, func(conn sqlx.SqlConn, v interface{}) (interface{}, error) {
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assert.Fail(t, "should not go here")
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return "primary", nil
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}, func(conn sqlx.SqlConn, v, primary interface{}) error {
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*v.(*string) = "xin"
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assert.Equal(t, "primary", primary)
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return nil
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})
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assert.Nil(t, err)
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assert.Equal(t, "xin", str)
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val, err := r.Get("index")
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assert.Nil(t, err)
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assert.Equal(t, `"primary"`, val)
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val, err = r.Get("primary/1234")
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assert.Nil(t, err)
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assert.Equal(t, `"xin"`, val)
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}
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func TestCachedConn_QueryRowIndex_HasWrongCache(t *testing.T) {
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caches := map[string]string{
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"index": "primary",
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"primary/1234": "xin",
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}
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for k, v := range caches {
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t.Run(k+"/"+v, func(t *testing.T) {
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resetStats()
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s, err := miniredis.Run()
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if err != nil {
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t.Error(err)
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}
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r := redis.NewRedis(s.Addr(), redis.NodeType)
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c := NewNodeConn(dummySqlConn{}, r, cache.WithExpiry(time.Second*10),
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cache.WithNotFoundExpiry(time.Second))
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var str string
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r.Set(k, v)
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err = c.QueryRowIndex(&str, "index", func(s interface{}) string {
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return fmt.Sprintf("%s/1234", s)
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}, func(conn sqlx.SqlConn, v interface{}) (interface{}, error) {
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*v.(*string) = "xin"
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return "primary", nil
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}, func(conn sqlx.SqlConn, v, primary interface{}) error {
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*v.(*string) = "xin"
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assert.Equal(t, "primary", primary)
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return nil
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})
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assert.Nil(t, err)
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assert.Equal(t, "xin", str)
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val, err := r.Get("index")
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assert.Nil(t, err)
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assert.Equal(t, `"primary"`, val)
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val, err = r.Get("primary/1234")
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assert.Nil(t, err)
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assert.Equal(t, `"xin"`, val)
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})
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}
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}
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func TestStatCacheFails(t *testing.T) {
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resetStats()
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log.SetOutput(ioutil.Discard)
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defer log.SetOutput(os.Stdout)
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r := redis.NewRedis("localhost:59999", redis.NodeType)
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c := NewNodeConn(dummySqlConn{}, r, cache.WithExpiry(time.Second*10))
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for i := 0; i < 20; i++ {
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var str string
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err := c.QueryRow(&str, "name", func(conn sqlx.SqlConn, v interface{}) error {
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return errors.New("db failed")
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})
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assert.NotNil(t, err)
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}
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assert.Equal(t, uint64(20), atomic.LoadUint64(&stats.Total))
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assert.Equal(t, uint64(0), atomic.LoadUint64(&stats.Hit))
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assert.Equal(t, uint64(20), atomic.LoadUint64(&stats.Miss))
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assert.Equal(t, uint64(0), atomic.LoadUint64(&stats.DbFails))
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}
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func TestStatDbFails(t *testing.T) {
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resetStats()
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s, err := miniredis.Run()
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if err != nil {
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t.Error(err)
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}
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r := redis.NewRedis(s.Addr(), redis.NodeType)
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c := NewNodeConn(dummySqlConn{}, r, cache.WithExpiry(time.Second*10))
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for i := 0; i < 20; i++ {
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var str string
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err = c.QueryRow(&str, "name", func(conn sqlx.SqlConn, v interface{}) error {
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return errors.New("db failed")
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})
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assert.NotNil(t, err)
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}
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assert.Equal(t, uint64(20), atomic.LoadUint64(&stats.Total))
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assert.Equal(t, uint64(0), atomic.LoadUint64(&stats.Hit))
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assert.Equal(t, uint64(20), atomic.LoadUint64(&stats.DbFails))
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}
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func TestStatFromMemory(t *testing.T) {
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resetStats()
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s, err := miniredis.Run()
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if err != nil {
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t.Error(err)
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}
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r := redis.NewRedis(s.Addr(), redis.NodeType)
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c := NewNodeConn(dummySqlConn{}, r, cache.WithExpiry(time.Second*10))
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var all sync.WaitGroup
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var wait sync.WaitGroup
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all.Add(10)
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wait.Add(4)
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go func() {
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var str string
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err := c.QueryRow(&str, "name", func(conn sqlx.SqlConn, v interface{}) error {
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*v.(*string) = "zero"
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return nil
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})
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if err != nil {
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t.Error(err)
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}
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wait.Wait()
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runtime.Gosched()
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all.Done()
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}()
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for i := 0; i < 4; i++ {
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go func() {
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var str string
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wait.Done()
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err := c.QueryRow(&str, "name", func(conn sqlx.SqlConn, v interface{}) error {
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*v.(*string) = "zero"
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return nil
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})
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if err != nil {
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t.Error(err)
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}
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all.Done()
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}()
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}
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for i := 0; i < 5; i++ {
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go func() {
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var str string
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err := c.QueryRow(&str, "name", func(conn sqlx.SqlConn, v interface{}) error {
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*v.(*string) = "zero"
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return nil
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})
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if err != nil {
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t.Error(err)
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}
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all.Done()
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}()
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}
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all.Wait()
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assert.Equal(t, uint64(10), atomic.LoadUint64(&stats.Total))
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assert.Equal(t, uint64(9), atomic.LoadUint64(&stats.Hit))
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}
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func TestCachedConnQueryRow(t *testing.T) {
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s, err := miniredis.Run()
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if err != nil {
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t.Error(err)
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}
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const (
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key = "user"
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value = "any"
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)
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var conn trackedConn
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var user string
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var ran bool
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r := redis.NewRedis(s.Addr(), redis.NodeType)
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c := NewNodeConn(&conn, r, cache.WithExpiry(time.Second*30))
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err = c.QueryRow(&user, key, func(conn sqlx.SqlConn, v interface{}) error {
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ran = true
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user = value
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return nil
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})
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assert.Nil(t, err)
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actualValue, err := s.Get(key)
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assert.Nil(t, err)
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var actual string
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assert.Nil(t, json.Unmarshal([]byte(actualValue), &actual))
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assert.Equal(t, value, actual)
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assert.Equal(t, value, user)
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assert.True(t, ran)
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}
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func TestCachedConnQueryRowFromCache(t *testing.T) {
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s, err := miniredis.Run()
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if err != nil {
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t.Error(err)
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}
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const (
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key = "user"
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value = "any"
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)
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var conn trackedConn
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var user string
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var ran bool
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r := redis.NewRedis(s.Addr(), redis.NodeType)
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c := NewNodeConn(&conn, r, cache.WithExpiry(time.Second*30))
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assert.Nil(t, c.SetCache(key, value))
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err = c.QueryRow(&user, key, func(conn sqlx.SqlConn, v interface{}) error {
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ran = true
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user = value
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return nil
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})
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assert.Nil(t, err)
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actualValue, err := s.Get(key)
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assert.Nil(t, err)
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var actual string
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assert.Nil(t, json.Unmarshal([]byte(actualValue), &actual))
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assert.Equal(t, value, actual)
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assert.Equal(t, value, user)
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assert.False(t, ran)
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}
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func TestQueryRowNotFound(t *testing.T) {
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s, err := miniredis.Run()
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if err != nil {
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t.Error(err)
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}
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const key = "user"
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var conn trackedConn
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var user string
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var ran int
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r := redis.NewRedis(s.Addr(), redis.NodeType)
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c := NewNodeConn(&conn, r, cache.WithExpiry(time.Second*30))
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for i := 0; i < 20; i++ {
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err = c.QueryRow(&user, key, func(conn sqlx.SqlConn, v interface{}) error {
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ran++
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return sql.ErrNoRows
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})
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assert.Exactly(t, sqlx.ErrNotFound, err)
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}
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assert.Equal(t, 1, ran)
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}
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func TestCachedConnExec(t *testing.T) {
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s, err := miniredis.Run()
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if err != nil {
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t.Error(err)
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}
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var conn trackedConn
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r := redis.NewRedis(s.Addr(), redis.NodeType)
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|
|
c := NewNodeConn(&conn, r, cache.WithExpiry(time.Second*10))
|
|
|
|
_, err = c.ExecNoCache("delete from user_table where id='kevin'")
|
|
|
|
assert.Nil(t, err)
|
|
|
|
assert.True(t, conn.execValue)
|
|
|
|
}
|
|
|
|
|
|
|
|
func TestCachedConnExecDropCache(t *testing.T) {
|
|
|
|
s, err := miniredis.Run()
|
|
|
|
if err != nil {
|
|
|
|
t.Error(err)
|
|
|
|
}
|
|
|
|
|
|
|
|
const (
|
|
|
|
key = "user"
|
|
|
|
value = "any"
|
|
|
|
)
|
|
|
|
var conn trackedConn
|
|
|
|
r := redis.NewRedis(s.Addr(), redis.NodeType)
|
|
|
|
c := NewNodeConn(&conn, r, cache.WithExpiry(time.Second*30))
|
|
|
|
assert.Nil(t, c.SetCache(key, value))
|
|
|
|
_, err = c.Exec(func(conn sqlx.SqlConn) (result sql.Result, e error) {
|
|
|
|
return conn.Exec("delete from user_table where id='kevin'")
|
|
|
|
}, key)
|
|
|
|
assert.Nil(t, err)
|
|
|
|
assert.True(t, conn.execValue)
|
|
|
|
_, err = s.Get(key)
|
|
|
|
assert.Exactly(t, miniredis.ErrKeyNotFound, err)
|
|
|
|
}
|
|
|
|
|
|
|
|
func TestCachedConnExecDropCacheFailed(t *testing.T) {
|
|
|
|
const key = "user"
|
|
|
|
var conn trackedConn
|
|
|
|
r := redis.NewRedis("anyredis:8888", redis.NodeType)
|
|
|
|
c := NewNodeConn(&conn, r, cache.WithExpiry(time.Second*10))
|
|
|
|
_, err := c.Exec(func(conn sqlx.SqlConn) (result sql.Result, e error) {
|
|
|
|
return conn.Exec("delete from user_table where id='kevin'")
|
|
|
|
}, key)
|
|
|
|
// async background clean, retry logic
|
|
|
|
assert.Nil(t, err)
|
|
|
|
}
|
|
|
|
|
|
|
|
func TestCachedConnQueryRows(t *testing.T) {
|
|
|
|
s, err := miniredis.Run()
|
|
|
|
if err != nil {
|
|
|
|
t.Error(err)
|
|
|
|
}
|
|
|
|
|
|
|
|
var conn trackedConn
|
|
|
|
r := redis.NewRedis(s.Addr(), redis.NodeType)
|
|
|
|
c := NewNodeConn(&conn, r, cache.WithExpiry(time.Second*10))
|
|
|
|
var users []string
|
|
|
|
err = c.QueryRowsNoCache(&users, "select user from user_table where id='kevin'")
|
|
|
|
assert.Nil(t, err)
|
|
|
|
assert.True(t, conn.queryRowsValue)
|
|
|
|
}
|
|
|
|
|
|
|
|
func TestCachedConnTransact(t *testing.T) {
|
|
|
|
s, err := miniredis.Run()
|
|
|
|
if err != nil {
|
|
|
|
t.Error(err)
|
|
|
|
}
|
|
|
|
|
|
|
|
var conn trackedConn
|
|
|
|
r := redis.NewRedis(s.Addr(), redis.NodeType)
|
|
|
|
c := NewNodeConn(&conn, r, cache.WithExpiry(time.Second*10))
|
|
|
|
err = c.Transact(func(session sqlx.Session) error {
|
|
|
|
return nil
|
|
|
|
})
|
|
|
|
assert.Nil(t, err)
|
|
|
|
assert.True(t, conn.transactValue)
|
|
|
|
}
|
|
|
|
|
|
|
|
func TestQueryRowNoCache(t *testing.T) {
|
|
|
|
s, err := miniredis.Run()
|
|
|
|
if err != nil {
|
|
|
|
t.Error(err)
|
|
|
|
}
|
|
|
|
|
|
|
|
const (
|
|
|
|
key = "user"
|
|
|
|
value = "any"
|
|
|
|
)
|
|
|
|
var user string
|
|
|
|
var ran bool
|
|
|
|
r := redis.NewRedis(s.Addr(), redis.NodeType)
|
|
|
|
conn := dummySqlConn{queryRow: func(v interface{}, q string, args ...interface{}) error {
|
|
|
|
user = value
|
|
|
|
ran = true
|
|
|
|
return nil
|
|
|
|
}}
|
|
|
|
c := NewNodeConn(&conn, r, cache.WithExpiry(time.Second*30))
|
|
|
|
err = c.QueryRowNoCache(&user, key)
|
|
|
|
assert.Nil(t, err)
|
|
|
|
assert.Equal(t, value, user)
|
|
|
|
assert.True(t, ran)
|
|
|
|
}
|
|
|
|
|
|
|
|
func TestFloatKeyer(t *testing.T) {
|
|
|
|
primaries := []interface{}{
|
|
|
|
float32(1),
|
|
|
|
float64(1),
|
|
|
|
}
|
|
|
|
|
|
|
|
for _, primary := range primaries {
|
|
|
|
val := floatKeyer(func(i interface{}) string {
|
|
|
|
return fmt.Sprint(i)
|
|
|
|
})(primary)
|
|
|
|
assert.Equal(t, "1", val)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
func resetStats() {
|
|
|
|
atomic.StoreUint64(&stats.Total, 0)
|
|
|
|
atomic.StoreUint64(&stats.Hit, 0)
|
|
|
|
atomic.StoreUint64(&stats.Miss, 0)
|
|
|
|
atomic.StoreUint64(&stats.DbFails, 0)
|
|
|
|
}
|
|
|
|
|
|
|
|
type dummySqlConn struct {
|
|
|
|
queryRow func(interface{}, string, ...interface{}) error
|
|
|
|
}
|
|
|
|
|
|
|
|
func (d dummySqlConn) Exec(query string, args ...interface{}) (sql.Result, error) {
|
|
|
|
return nil, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func (d dummySqlConn) Prepare(query string) (sqlx.StmtSession, error) {
|
|
|
|
return nil, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func (d dummySqlConn) QueryRow(v interface{}, query string, args ...interface{}) error {
|
|
|
|
if d.queryRow != nil {
|
|
|
|
return d.queryRow(v, query, args...)
|
|
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func (d dummySqlConn) QueryRowPartial(v interface{}, query string, args ...interface{}) error {
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func (d dummySqlConn) QueryRows(v interface{}, query string, args ...interface{}) error {
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func (d dummySqlConn) QueryRowsPartial(v interface{}, query string, args ...interface{}) error {
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func (d dummySqlConn) Transact(func(session sqlx.Session) error) error {
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
type trackedConn struct {
|
|
|
|
dummySqlConn
|
|
|
|
execValue bool
|
|
|
|
queryRowsValue bool
|
|
|
|
transactValue bool
|
|
|
|
}
|
|
|
|
|
|
|
|
func (c *trackedConn) Exec(query string, args ...interface{}) (sql.Result, error) {
|
|
|
|
c.execValue = true
|
|
|
|
return c.dummySqlConn.Exec(query, args...)
|
|
|
|
}
|
|
|
|
|
|
|
|
func (c *trackedConn) QueryRows(v interface{}, query string, args ...interface{}) error {
|
|
|
|
c.queryRowsValue = true
|
|
|
|
return c.dummySqlConn.QueryRows(v, query, args...)
|
|
|
|
}
|
|
|
|
|
|
|
|
func (c *trackedConn) Transact(fn func(session sqlx.Session) error) error {
|
|
|
|
c.transactValue = true
|
|
|
|
return c.dummySqlConn.Transact(fn)
|
|
|
|
}
|