fix: tql parser hang on abnormal input #16353

Job	Run time
Check (windows-2022)	4m 30s
Build GreptimeDB binaries (ubuntu-20.04)	4m 21s
Check (ubuntu-20.04)	1m 57s
Clippy	3m 11s
Check typos and docs	7s
coverage	13m 39s
Rustfmt	25s
Check License Header	1m 20s
Toml Check	24s
Unstable Fuzz Test (unstable_fuzz_create_table_standalone)	14m 3s
Sqlness Test with Kafka Wal (ubuntu-20.04)	3m 17s
Fuzz Test (fuzz_create_table)	4m 52s
Sqlness Test (ubuntu-20.04)	2m 26s
Fuzz Test (fuzz_alter_table)	5m 7s
Fuzz Test (fuzz_create_database)	4m 50s
Fuzz Test (fuzz_create_logical_table)	4m 46s
Fuzz Test (fuzz_alter_logical_table)	5m 11s
Fuzz Test (fuzz_insert)	4m 51s
Fuzz Test (fuzz_insert_logical_table)	4m 45s
	1h 24m 2s

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