improve log about stale-read query

[crazycs520]

Enhancement

The timestamp field in following log is 0, which is unexpected when execute stale-read query.

[2024/04/11 11:13:22.780 +08:00] [INFO] [conn.go:1146] ["command dispatched failed"] [conn=3850371262] [session_alias=] [connInfo="id:3850371262, addr:192.168.80.1:53038 status:10, collation:latin1_swedish_ci, user:root"] [command=Query] [status="inTxn:0, autocommit:1"] [sql="select pk, sk, ts, v, n from (             select pk, sk, ts, v, row_number() over (partition by pk, sk order by ts desc) as n             from t1 as of timestamp now() - interval 5 second where pk = '000000000000000000000000939372' and sk like '0000-0001%'         ) as tt where n <= 3 order by sk asc"] [txn_mode=PESSIMISTIC] [timestamp=0] [err="[executor:3024]Query execution was interrupted, maximum statement execution time exceeded\ngithub.com/pingcap/errors.AddStack\n\t/data/cs/code/pkg/mod/github.com/pingcap/errors@v0.11.5-0.20240318064555-6bd07397691f/errors.go:178\ngithub.com/pingcap/errors.(*Error).GenWithStackByArgs\n\t/data/cs/code/pkg/mod/github.com/pingcap/errors@v0.11.5-0.20240318064555-6bd07397691f/normalize.go:175\ngithub.com/pingcap/tidb/pkg/util/sqlkiller.(*SQLKiller).HandleSignal\n\t/data/cs/tidb/pkg/util/sqlkiller/sqlkiller.go:68\ngithub.com/pingcap/tidb/pkg/executor/internal/exec.(*executorKillerHandler).HandleSQLKillerSignal\n\t/data/cs/tidb/pkg/executor/internal/exec/executor.go:251\ngithub.com/pingcap/tidb/pkg/executor/internal/exec.Next\n\t/data/cs/tidb/pkg/executor/internal/exec/executor.go:409\ngithub.com/pingcap/tidb/pkg/executor/sortexec.(*SortExec).fetchChunksUnparallel\n\t/data/cs/tidb/pkg/executor/sortexec/sort.go:620\ngithub.com/pingcap/tidb/pkg/executor/sortexec.(*SortExec).fetchChunks\n\t/data/cs/tidb/pkg/executor/sortexec/sort.go:533\ngithub.com/pingcap/tidb/pkg/executor/sortexec.(*SortExec).Next\n\t/data/cs/tidb/pkg/executor/sortexec/sort.go:277\ngithub.com/pingcap/tidb/pkg/executor/internal/exec.Next\n\t/data/cs/tidb/pkg/executor/internal/exec/executor.go:403\ngithub.com/pingcap/tidb/pkg/executor.(*PipelinedWindowExec).fetchChild\n\t/data/cs/tidb/pkg/executor/pipelined_window.go:210\ngithub.com/pingcap/tidb/pkg/executor.(*PipelinedWindowExec).getRowsInPartition\n\t/data/cs/tidb/pkg/executor/pipelined_window.go:181\ngithub.com/pingcap/tidb/pkg/executor.(*PipelinedWindowExec).Next\n\t/data/cs/tidb/pkg/executor/pipelined_window.go:126\ngithub.com/pingcap/tidb/pkg/executor/internal/exec.Next\n\t/data/cs/tidb/pkg/executor/internal/exec/executor.go:403\ngithub.com/pingcap/tidb/pkg/executor.(*SelectionExec).Next\n\t/data/cs/tidb/pkg/executor/executor.go:1615\ngithub.com/pingcap/tidb/pkg/executor/internal/exec.Next\n\t/data/cs/tidb/pkg/executor/internal/exec/executor.go:403\ngithub.com/pingcap/tidb/pkg/executor/sortexec.(*SortExec).fetchChunksUnparallel\n\t/data/cs/tidb/pkg/executor/sortexec/sort.go:620\ngithub.com/pingcap/tidb/pkg/executor/sortexec.(*SortExec).fetchChunks\n\t/data/cs/tidb/pkg/executor/sortexec/sort.go:533\ngithub.com/pingcap/tidb/pkg/executor/sortexec.(*SortExec).Next\n\t/data/cs/tidb/pkg/executor/sortexec/sort.go:277\ngithub.com/pingcap/tidb/pkg/executor/internal/exec.Next\n\t/data/cs/tidb/pkg/executor/internal/exec/executor.go:403\ngithub.com/pingcap/tidb/pkg/executor.(*ExecStmt).next\n\t/data/cs/tidb/pkg/executor/adapter.go:1212\ngithub.com/pingcap/tidb/pkg/executor.(*recordSet).Next\n\t/data/cs/tidb/pkg/executor/adapter.go:158\ngithub.com/pingcap/tidb/pkg/server/internal/resultset.(*tidbResultSet).Next\n\t/data/cs/tidb/pkg/server/internal/resultset/resultset.go:64\ngithub.com/pingcap/tidb/pkg/server.(*clientConn).writeChunks\n\t/data/cs/tidb/pkg/server/conn.go:2311\ngithub.com/pingcap/tidb/pkg/server.(*clientConn).writeResultSet\n\t/data/cs/tidb/pkg/server/conn.go:2254\ngithub.com/pingcap/tidb/pkg/server.(*clientConn).handleStmt\n\t/data/cs/tidb/pkg/server/conn.go:2047\ngithub.com/pingcap/tidb/pkg/server.(*clientConn).handleQuery\n\t/data/cs/tidb/pkg/server/conn.go:1769\ngithub.com/pingcap/tidb/pkg/server.(*clientConn).dispatch\n\t/data/cs/tidb/pkg/server/conn.go:1343\ngithub.com/pingcap/tidb/pkg/server.(*clientConn).Run\n\t/data/cs/tidb/pkg/server/conn.go:1113\ngithub.com/pingcap/tidb/pkg/server.(*Server).onConn\n\t/data/cs/tidb/pkg/server/server.go:737\nruntime.goexit\n\t/data/cs/go/src/runtime/asm_amd64.s:1650"]