Better debug (#27)

example_test.go

@@ -3,6 +3,7 @@ package builq_test
 import (
 	"fmt"
 	"regexp"
+	"time"
 
 	"github.com/cristalhq/builq"
 )
@@ -56,18 +57,24 @@ func ExampleOnelineBuilder() {
 func ExampleBuilder_DebugBuild() {
 	cols := builq.Columns{"foo", "bar"}
 
+	ts := time.Date(2009, time.November, 10, 12, 13, 15, 16, time.UTC)
+
 	var sb builq.Builder
 	sb.Addf("SELECT %s FROM table", cols)
 	sb.Addf("WHERE id = %$", 123)
-	sb.Addf("OR id = %$ + %d", "42", 690)
+	sb.Addf("OR id = %$ + %d", "42", 69.069)
+	sb.Addf("XOR created_at = %$", ts)
+	sb.Addf("MAYBE IN arr = %$", []int{1, 2, 3})
 
 	fmt.Printf("debug:\n%v", sb.DebugBuild())
 
 	// Output:
 	// debug:
 	// SELECT foo, bar FROM table
 	// WHERE id = 123
-	// OR id = '42' + 690
+	// OR id = '42' + 69.069
+	// XOR created_at = '2009-11-10 12:13:15:999999'
+	// MAYBE IN arr = '[1 2 3]'
 }
 
 func ExampleColumns() {
@@ -171,7 +178,7 @@ func Example_queryWhere() {
 		"category": []int{1, 2, 3},
 		"pat":      regexp.MustCompile("pat+"),
 		"prob":     0.42,
-		"limit":    100,
+		"limit":    100.1,
 	}
 
 	var b builq.Builder
@@ -208,7 +215,7 @@ func Example_queryWhere() {
 	// AND category IN ($2, $3, $4)
 	// AND page LIKE 'pat+'
 	// AND prob < 0.42
-	// LIMIT 100;
+	// LIMIT 100.1;
 	// args:
 	// [the best 1 2 3]
 }

write.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"strconv"
 	"strings"
+	"time"
 )
 
 func (b *Builder) write(sb *strings.Builder, resArgs *[]any, s string, args ...any) error {
@@ -81,14 +82,7 @@ func (b *Builder) writeSlice(sb *strings.Builder, resArgs *[]any, verb byte, arg
 
 func (b *Builder) writeArg(sb *strings.Builder, resArgs *[]any, verb byte, arg any) {
 	if b.debug {
-		switch arg := arg.(type) {
-		case string:
-			sb.WriteByte('\'')
-			sb.WriteString(arg)
-			sb.WriteByte('\'')
-		default:
-			fmt.Fprint(sb, arg)
-		}
+		b.writeDebug(sb, arg)
 		return
 	}
 
@@ -134,10 +128,38 @@ func (b *Builder) writeArg(sb *strings.Builder, resArgs *[]any, verb byte, arg a
 	}
 }
 
+func (b *Builder) writeDebug(sb *strings.Builder, arg any) {
+	switch arg := arg.(type) {
+	case Columns:
+		sb.WriteString(arg.String())
+	case time.Time:
+		sb.WriteByte('\'')
+		sb.WriteString(arg.UTC().Format("2006-01-02 15:04:05:999999"))
+		sb.WriteByte('\'')
+	case fmt.Stringer:
+		sb.WriteByte('\'')
+		sb.WriteString(arg.String())
+		sb.WriteByte('\'')
+	case int, int8, int16, int32, int64,
+		uint, uint8, uint16, uint32, uint64,
+		float32, float64:
+		fmt.Fprint(sb, arg)
+	case string:
+		sb.WriteByte('\'')
+		sb.WriteString(arg)
+		sb.WriteByte('\'')
+	default:
+		sb.WriteByte('\'')
+		fmt.Fprint(sb, arg)
+		sb.WriteByte('\'')
+	}
+}
+
 func (b *Builder) assertNumber(v any) {
 	switch v.(type) {
 	case int, int8, int16, int32, int64,
-		uint, uint8, uint16, uint32, uint64:
+		uint, uint8, uint16, uint32, uint64,
+		float32, float64:
 	default:
 		b.setErr(errNonNumericArg)
 	}