query_result: use strict date format, always include microseconds

Signed-off-by: Radim Hrazdil <[email protected]>

Author: rhrazdil

platform/model/query_result.go

@@ -5,15 +5,16 @@ package model
 import (
 	"context"
 	"fmt"
+	"reflect"
+	"slices"
+	"strings"
+	"time"
+
 	"github.com/QuesmaOrg/quesma/platform/common_table"
 	"github.com/QuesmaOrg/quesma/platform/logger"
 	"github.com/QuesmaOrg/quesma/platform/schema"
 	"github.com/QuesmaOrg/quesma/platform/util"
 	"github.com/goccy/go-json"
-	"reflect"
-	"slices"
-	"strings"
-	"time"
 )
 
 type (
@@ -46,7 +47,9 @@ func (c *QueryResultCol) String(ctx context.Context) string {
 		}
 		return fmt.Sprintf(`"%s": %s`, c.ColName, string(processed))
 	case time.Time:
-		return fmt.Sprintf(`"%s": "%v"`, c.ColName, valueExtracted)
+		// Format timestamp with consistent microsecond precision
+		formattedTime := valueExtracted.(time.Time).Format("2006-01-02 15:04:05.000000 -0700 MST")
+		return fmt.Sprintf(`"%s": "%s"`, c.ColName, formattedTime)
 	case int, int64, float64, uint64, bool:
 		return fmt.Sprintf(`"%s": %v`, c.ColName, valueExtracted)
 	default:

platform/model/query_result_test.go

@@ -34,6 +34,7 @@ func TestQueryResultCol_String(t *testing.T) {
 		value    any
 		expected string
 	}{
+		{time.Date(2023, 10, 5, 14, 30, 45, 000000000, time.UTC), `"name": "2023-10-05 14:30:45.000000 +0000 UTC"`},
 		{time.Date(2023, 10, 5, 14, 30, 45, 123456000, time.UTC), `"name": "2023-10-05 14:30:45.123456 +0000 UTC"`},
 		{"test", `"name": "test"`},
 		{`test "GET"`, `"name": "test \"GET\""`},
@@ -42,10 +43,10 @@ func TestQueryResultCol_String(t *testing.T) {
 		{int64(1), `"name": 1`},
 		{uint64(1), `"name": 1`},
 		{true, `"name": true`},
-		{time.Time{}, `"name": "0001-01-01 00:00:00 +0000 UTC"`},
+		{time.Time{}, `"name": "0001-01-01 00:00:00.000000 +0000 UTC"`},
 		{strPtr, `"name": ""`},
 		{strPtrNil, ``},
-		{timePtr, `"name": "0001-01-01 00:00:00 +0000 UTC"`},
+		{timePtr, `"name": "0001-01-01 00:00:00.000000 +0000 UTC"`},
 		{timePtrNil, ``},
 		{int64Ptr, `"name": 1`},
 		{int64PtrNil, ``},