优化 where解析

model/parse.go

@@ -1,40 +1,28 @@
 package model
 
 import (
-	"fmt"
 	"github.com/fthvgb1/wp-go/helper/slice"
+	str "github.com/fthvgb1/wp-go/helper/strings"
 	"strconv"
 	"strings"
 )
 
-func (w SqlBuilder) parseField(ss []string, s *strings.Builder) {
+func (w SqlBuilder) parseField(ss []string, s *str.Builder) {
 	if strings.Contains(ss[0], ".") && !strings.Contains(ss[0], "(") {
-		s.WriteString("`")
 		sx := strings.Split(ss[0], ".")
-		s.WriteString(sx[0])
+		s.Sprintf("`%s`.`%s`", sx[0], sx[1])
-		s.WriteString("`.`")
-		s.WriteString(sx[1])
-		s.WriteString("`")
 	} else if !strings.Contains(ss[0], ".") && !strings.Contains(ss[0], "(") {
-		s.WriteString("`")
+		s.Sprintf("`%s`", ss[0])
-		s.WriteString(ss[0])
-		s.WriteString("`")
 	} else {
 		s.WriteString(ss[0])
 	}
 }
 
-func (w SqlBuilder) parseIn(ss []string, s *strings.Builder, c *int, args *[]any, in *[][]any) (t bool) {
+func (w SqlBuilder) parseIn(ss []string, s *str.Builder, c *int, args *[]any, in *[][]any) (t bool) {
 	if slice.IsContained(ss[1], []string{"in", "not in"}) && len(*in) > 0 {
-		s.WriteString(" (")
+		sss := strings.Repeat("?,", len((*in)[*c]))
-		for _, p := range (*in)[*c] {
+		s.Sprintf("(%s)", strings.TrimRight(sss, ","))
-			s.WriteString("?,")
+		*args = append(*args, (*in)[*c]...)
-			*args = append(*args, p)
-		}
-		sx := s.String()
-		s.Reset()
-		s.WriteString(strings.TrimRight(sx, ","))
-		s.WriteString(")")
 		*c++
 		t = true
 	}
@@ -78,18 +66,18 @@ func (w SqlBuilder) parseType(ss []string, args *[]any) error {
 //
 //	{{"and","field","=","num1","int","or","field","=","num2","int"}} => where (field = num1 or field = num2')
 func (w SqlBuilder) ParseWhere(in *[][]any) (string, []any, error) {
-	var s strings.Builder
+	var s = str.NewBuilder()
 	args := make([]any, 0, len(w))
 	c := 0
 	for _, ss := range w {
 		if len(ss) == 2 {
-			w.parseField(ss, &s)
+			w.parseField(ss, s)
 			s.WriteString("=? and ")
 			args = append(args, ss[1])
 		} else if len(ss) >= 3 && len(ss) < 5 {
-			w.parseField(ss, &s)
+			w.parseField(ss, s)
 			s.WriteString(ss[1])
-			if w.parseIn(ss, &s, &c, &args, in) {
+			if w.parseIn(ss, s, &c, &args, in) {
 				s.WriteString(" and ")
 				continue
 			}
@@ -107,15 +95,14 @@ func (w SqlBuilder) ParseWhere(in *[][]any) (string, []any, error) {
 				if strings.Contains(st, "and ") && ss[start] == "or" {
 					st = strings.TrimRight(st, "and ")
 					s.Reset()
-					s.WriteString(st)
+					s.Sprintf("%s %s ", st, ss[start])
-					s.WriteString(fmt.Sprintf(" %s ", ss[start]))
 				}
 				if i == 0 {
 					s.WriteString("( ")
 				}
-				w.parseField(ss[start+1:end], &s)
+				w.parseField(ss[start+1:end], s)
 				s.WriteString(ss[start+2])
-				if w.parseIn(ss[start+1:end], &s, &c, &args, in) {
+				if w.parseIn(ss[start+1:end], s, &c, &args, in) {
 					s.WriteString(" and ")
 					continue
 				}
@@ -128,15 +115,13 @@ func (w SqlBuilder) ParseWhere(in *[][]any) (string, []any, error) {
 			st := s.String()
 			st = strings.TrimRight(st, "and ")
 			s.Reset()
-			s.WriteString(st)
+			s.Sprintf("%s ) and ", st)
-			s.WriteString(") and ")
 		}
 	}
 	ss := strings.TrimRight(s.String(), "and ")
 	if ss != "" {
 		s.Reset()
-		s.WriteString(" where ")
+		s.Sprintf(" where %s", ss)
-		s.WriteString(ss)
 		ss = s.String()
 	}
 	if len(*in) > c {

model/query_test.go

@@ -76,7 +76,10 @@ func Test_selects(t *testing.T) {
 
 func BenchmarkSelectXX(b *testing.B) {
 	for i := 0; i < b.N; i++ {
-		_, err := finds[options](anyDb[options](), ctx, Conditions())
+		_, err := finds[options](anyDb[options](), ctx, Conditions(
+			Where(SqlBuilder{{"option_id", "<", "50", "int"}}),
+			//In(slice.ToAnySlice(number.Range[uint64](1, 50, 1))),
+		))
 		if err != nil {
 			panic(err)
 		}
@@ -84,7 +87,10 @@ func BenchmarkSelectXX(b *testing.B) {
 }
 func BenchmarkScannerXX(b *testing.B) {
 	for i := 0; i < b.N; i++ {
-		_, err := scanners[options](anyDb[options](), ctx, Conditions())
+		_, err := scanners[options](anyDb[options](), ctx, Conditions(
+			Where(SqlBuilder{{"option_id", "<", "50", "int"}}),
+			//In(slice.ToAnySlice(number.Range[uint64](1, 50, 1))),
+		))
 		if err != nil {
 			panic(err)
 		}
@@ -92,9 +98,17 @@ func BenchmarkScannerXX(b *testing.B) {
 }
 
 func BenchmarkSqlXQueryXX(b *testing.B) {
-	for i := 0; i < b.N; i++ {
 	var r []options
-		err := sq.Select(&r, "select * from wp_options")
+	/*var r []options
+	x := number.Range[uint64](1, 50, 1)
+	j := strings.TrimRight(strings.Repeat("?,", 50), ",")
+	s := str.NewBuilder()
+	s.Sprintf("select * from wp_options where option_id in (%s)", j)
+	ss := s.String()
+	a := slice.ToAnySlice(x)*/
+	ss := "select * from wp_options where option_id < ?"
+	for i := 0; i < b.N; i++ {
+		err := sq.Select(&r, ss, 50)
 		if err != nil {
 			panic(err)
 		}