feat: ignore internal columns in `SHOW CREATE TABLE` #16236

Job	Run time
Toml Check	21s
Toml Check	21s
Check License Header	1m 16s
Check License Header	1m 16s
Build GreptimeDB binaries (ubuntu-20.04)	13m 44s
Build GreptimeDB binaries (ubuntu-20.04)	13m 44s
Check (windows-2022)	9m 46s
Check (windows-2022)	9m 46s
Check (ubuntu-20.04)	9m 28s
Check (ubuntu-20.04)	9m 28s
Check typos and docs	6s
Check typos and docs	6s
Clippy	9m 41s
Clippy	9m 41s
Rustfmt	1m 10s
Rustfmt	1m 10s
coverage	13m 30s
coverage	13m 30s
Sqlness Test with Kafka Wal (ubuntu-20.04)	2m 54s
Sqlness Test with Kafka Wal (ubuntu-20.04)	2m 54s
Sqlness Test (ubuntu-20.04)	2m 14s
Sqlness Test (ubuntu-20.04)	2m 14s
Fuzz Test (fuzz_create_table)	4m 40s
Fuzz Test (fuzz_create_table)	4m 40s
Unstable Fuzz Test (unstable_fuzz_create_table_standalone)	8m 38s
Unstable Fuzz Test (unstable_fuzz_create_table_standalone)	13m 43s
Fuzz Test (fuzz_alter_table)	4m 48s
Fuzz Test (fuzz_alter_table)	4m 48s
Fuzz Test (fuzz_create_database)	4m 42s
Fuzz Test (fuzz_create_database)	4m 42s
Fuzz Test (fuzz_create_logical_table)	5m 4s
Fuzz Test (fuzz_create_logical_table)	5m 4s
Fuzz Test (fuzz_alter_logical_table)	4m 50s
Fuzz Test (fuzz_alter_logical_table)	4m 50s
Fuzz Test (fuzz_insert)	5m 5s
Fuzz Test (fuzz_insert)	5m 5s
Fuzz Test (fuzz_insert_logical_table)	4m 35s
Fuzz Test (fuzz_insert_logical_table)	4m 35s
	3h 38m 9s

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