fix: max id issues

internal/db_channel_test.go

@@ -8,6 +8,7 @@ import (
 	"exporter/database/telegram_resource/public/model"
 	"exporter/database/telegram_resource/public/table"
 
+	. "github.com/go-jet/jet/v2/postgres"
 	"github.com/samber/lo"
 )
 
@@ -77,3 +78,38 @@ func Test_Join(t *testing.T) {
 
 	t.Logf("%+v", msg)
 }
+
+func Test_ExceptMax(t *testing.T) {
+	dsn := "postgresql://postgres:xixi0202@10.1.1.3:5432/telegram_resource?sslmode=disable"
+	if err := InitDB(dsn); err != nil {
+		t.Error(err)
+	}
+
+	tbl := table.ChannelMessages
+	tblC := table.Channels
+
+	var result struct {
+		MaxID int64
+	}
+	stmt := tbl.SELECT(MAX(tbl.ID).AS("maxID")).FROM(tbl)
+	t.Log(stmt.DebugSql())
+
+	if err := stmt.QueryContext(context.Background(), db, &result); err != nil {
+		t.Error(err)
+	}
+	t.Log(result)
+
+	stmt = tbl.SELECT(tbl.AllColumns, tblC.Title).
+		WHERE(tbl.Published.IS_FALSE().AND(tbl.ID.NOT_EQ(Int(result.MaxID)))).
+		LIMIT(1).
+		ORDER_BY(tbl.ID.DESC()).
+		FROM(tbl.LEFT_JOIN(tblC, tbl.ChannelID.EQ(tblC.UUID)))
+	t.Log(stmt.DebugSql())
+
+	var msg publishMsg
+	if err := stmt.QueryContext(context.Background(), db, &msg); err != nil {
+		t.Error(err)
+	}
+
+	t.Log(msg.ChannelMessages.ID)
+}