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fix: fix incorrect timestamp precision in information_schema.tables (#6872)

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* fix: fix incorrect timestamp precision in information_schema.tables

Signed-off-by: WenyXu <wenymedia@gmail.com>

* fix: fix unit test

Signed-off-by: WenyXu <wenymedia@gmail.com>

---------

Signed-off-by: WenyXu <wenymedia@gmail.com>
This commit is contained in:
Weny Xu
2025-09-01 20:20:23 +08:00
committed by GitHub
parent 246b832d79
commit 0e962844ac
4 changed files with 36 additions and 21 deletions
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17
tests/cases/standalone/common/system/information_schema.result
View File

@@ -394,10 +394,10 @@ select * from information_schema.columns order by table_schema, table_name, colu
| greptime | information_schema | table_privileges | table_schema | 3 | 2147483647 | 2147483647 | | | | utf8 | utf8_bin | | | select,insert | | String | string | FIELD | | No | string | | |
| greptime | information_schema | tables | auto_increment | 16 | | | 20 | 0 | | | | | | select,insert | | UInt64 | bigint unsigned | FIELD | | Yes | bigint unsigned | | |
| greptime | information_schema | tables | avg_row_length | 10 | | | 20 | 0 | | | | | | select,insert | | UInt64 | bigint unsigned | FIELD | | Yes | bigint unsigned | | |
| greptime | information_schema | tables | check_time | 19 | | | | | 6 | | | | | select,insert | | TimestampMicrosecond | timestamp(6) | FIELD | | Yes | timestamp(6) | | |
| greptime | information_schema | tables | check_time | 19 | | | | | 0 | | | | | select,insert | | TimestampSecond | timestamp(0) | FIELD | | Yes | timestamp(0) | | |
| greptime | information_schema | tables | checksum | 21 | | | 20 | 0 | | | | | | select,insert | | UInt64 | bigint unsigned | FIELD | | Yes | bigint unsigned | | |
| greptime | information_schema | tables | create_options | 22 | 2147483647 | 2147483647 | | | | utf8 | utf8_bin | | | select,insert | | String | string | FIELD | | Yes | string | | |
| greptime | information_schema | tables | create_time | 17 | | | | | 6 | | | | | select,insert | | TimestampMicrosecond | timestamp(6) | FIELD | | Yes | timestamp(6) | | |
| greptime | information_schema | tables | create_time | 17 | | | | | 0 | | | | | select,insert | | TimestampSecond | timestamp(0) | FIELD | | Yes | timestamp(0) | | |
| greptime | information_schema | tables | data_free | 15 | | | 20 | 0 | | | | | | select,insert | | UInt64 | bigint unsigned | FIELD | | Yes | bigint unsigned | | |
| greptime | information_schema | tables | data_length | 6 | | | 20 | 0 | | | | | | select,insert | | UInt64 | bigint unsigned | FIELD | | Yes | bigint unsigned | | |
| greptime | information_schema | tables | engine | 11 | 2147483647 | 2147483647 | | | | utf8 | utf8_bin | | | select,insert | | String | string | FIELD | | Yes | string | | |
@@ -414,7 +414,7 @@ select * from information_schema.columns order by table_schema, table_name, colu
| greptime | information_schema | tables | table_schema | 2 | 2147483647 | 2147483647 | | | | utf8 | utf8_bin | | | select,insert | | String | string | FIELD | | No | string | | |
| greptime | information_schema | tables | table_type | 4 | 2147483647 | 2147483647 | | | | utf8 | utf8_bin | | | select,insert | | String | string | FIELD | | No | string | | |
| greptime | information_schema | tables | temporary | 24 | 2147483647 | 2147483647 | | | | utf8 | utf8_bin | | | select,insert | | String | string | FIELD | | Yes | string | | |
| greptime | information_schema | tables | update_time | 18 | | | | | 6 | | | | | select,insert | | TimestampMicrosecond | timestamp(6) | FIELD | | Yes | timestamp(6) | | |
| greptime | information_schema | tables | update_time | 18 | | | | | 0 | | | | | select,insert | | TimestampSecond | timestamp(0) | FIELD | | Yes | timestamp(0) | | |
| greptime | information_schema | tables | version | 12 | | | 20 | 0 | | | | | | select,insert | | UInt64 | bigint unsigned | FIELD | | Yes | bigint unsigned | | |
| greptime | information_schema | triggers | flownode_id | 4 | | | 20 | 0 | | | | | | select,insert | | UInt64 | bigint unsigned | FIELD | | Yes | bigint unsigned | | |
| greptime | information_schema | triggers | trigger_definition | 3 | 2147483647 | 2147483647 | | | | utf8 | utf8_bin | | | select,insert | | String | string | FIELD | | No | string | | |
@@ -488,6 +488,17 @@ order by table_name;
| foo |
+------------+
SELECT table_name
FROM information_schema.tables
WHERE table_schema = 'my_db'
AND create_time > NOW() - INTERVAL 1 MINUTE;
+------------+
| table_name |
+------------+
| foo |
+------------+
select table_name
from information_schema.tables
where table_schema in ('my_db', 'public')

5
tests/cases/standalone/common/system/information_schema.sql
View File

@@ -32,6 +32,11 @@ from information_schema.tables
where table_schema = 'my_db'
order by table_name;
SELECT table_name
FROM information_schema.tables
WHERE table_schema = 'my_db'
AND create_time > NOW() - INTERVAL 1 MINUTE;
select table_name
from information_schema.tables
where table_schema in ('my_db', 'public')