funcs_1.is_columns_is fails with wrong result in buildbot and outside

funcs_1.is_columns_is                    w1 [ fail ]

        Test ended at 2026-07-02 01:00:00

CURRENT_TEST: funcs_1.is_columns_is

--- /home/buildbot/amd64-ubuntu-2404/build/mysql-test/suite/funcs_1/r/is_columns_is.result	2026-07-01 16:36:54.000000000 +0000

+++ /home/buildbot/amd64-ubuntu-2404/build/mysql-test/suite/funcs_1/r/is_columns_is.reject	2026-07-02 01:00:00.195491236 +0000

@@ -618,17 +618,18 @@

 def	information_schema	USER_STATISTICS	TOTAL_SSL_CONNECTIONS	26	NULL	NO	bigint	NULL	NULL	20	0	NULL	NULL	NULL	bigint(21) unsigned			select		NEVER	NULL	NO	NO	

 def	information_schema	USER_STATISTICS	UPDATE_COMMANDS	18	NULL	NO	bigint	NULL	NULL	19	0	NULL	NULL	NULL	bigint(21)			select		NEVER	NULL	NO	NO	

 def	information_schema	USER_STATISTICS	USER	1	NULL	NO	varchar	128	384	NULL	NULL	NULL	utf8mb3	utf8mb3_general_ci	varchar(128)			select		NEVER	NULL	NO	NO	

-def	information_schema	VECTOR_INDEXES	CACHED_NODES	7	NULL	NO	bigint	NULL	NULL	20	0	NULL	NULL	NULL	bigint(19) unsigned			select		NEVER	NULL	NO	NO	

-def	information_schema	VECTOR_INDEXES	CACHE_OVERFLOWS	11	NULL	YES	bigint	NULL	NULL	20	0	NULL	NULL	NULL	bigint(19) unsigned			select		NEVER	NULL	NO	NO	

-def	information_schema	VECTOR_INDEXES	DELETED_ROWS	8	NULL	YES	bigint	NULL	NULL	20	0	NULL	NULL	NULL	bigint(19) unsigned			select		NEVER	NULL	NO	NO	

-def	information_schema	VECTOR_INDEXES	INDEX_NAME	3	NULL	NO	varchar	64	192	NULL	NULL	NULL	utf8mb3	utf8mb3_general_ci	varchar(64)			select		NEVER	NULL	NO	NO	

-def	information_schema	VECTOR_INDEXES	INDEX_SIZE	5	NULL	YES	bigint	NULL	NULL	20	0	NULL	NULL	NULL	bigint(19) unsigned			select		NEVER	NULL	NO	NO	

-def	information_schema	VECTOR_INDEXES	MEMORY_SIZE	10	NULL	NO	bigint	NULL	NULL	20	0	NULL	NULL	NULL	bigint(19) unsigned			select		NEVER	NULL	NO	NO	

-def	information_schema	VECTOR_INDEXES	SUBDIST_ENABLED	9	NULL	YES	varchar	3	9	NULL	NULL	NULL	utf8mb3	utf8mb3_general_ci	varchar(3)			select		NEVER	NULL	NO	NO	

-def	information_schema	VECTOR_INDEXES	TABLE_NAME	2	NULL	NO	varchar	64	192	NULL	NULL	NULL	utf8mb3	utf8mb3_general_ci	varchar(64)			select		NEVER	NULL	NO	NO	

-def	information_schema	VECTOR_INDEXES	TABLE_SCHEMA	1	NULL	NO	varchar	64	192	NULL	NULL	NULL	utf8mb3	utf8mb3_general_ci	varchar(64)			select		NEVER	NULL	NO	NO	

-def	information_schema	VECTOR_INDEXES	TOTAL_NODES	6	NULL	NO	bigint	NULL	NULL	20	0	NULL	NULL	NULL	bigint(19) unsigned			select		NEVER	NULL	NO	NO	

-def	information_schema	VECTOR_INDEXES	VECTOR_DIMENSIONS	4	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	NULL	int(10) unsigned			select		NEVER	NULL	NO	NO	

+def	information_schema	VECTOR_INDEXES	CACHED_NODES	8	NULL	NO	bigint	NULL	NULL	20	0	NULL	NULL	NULL	bigint(19) unsigned			select		NEVER	NULL	NO	NO	

+def	information_schema	VECTOR_INDEXES	CACHE_OVERFLOWS	12	NULL	YES	bigint	NULL	NULL	20	0	NULL	NULL	NULL	bigint(19) unsigned			select		NEVER	NULL	NO	NO	

+def	information_schema	VECTOR_INDEXES	DELETED_ROWS	9	NULL	YES	bigint	NULL	NULL	20	0	NULL	NULL	NULL	bigint(19) unsigned			select		NEVER	NULL	NO	NO	

+def	information_schema	VECTOR_INDEXES	INDEX_NAME	4	NULL	NO	varchar	64	192	NULL	NULL	NULL	utf8mb3	utf8mb3_general_ci	varchar(64)			select		NEVER	NULL	NO	NO	

+def	information_schema	VECTOR_INDEXES	INDEX_SIZE	6	NULL	YES	bigint	NULL	NULL	20	0	NULL	NULL	NULL	bigint(19) unsigned			select		NEVER	NULL	NO	NO	

+def	information_schema	VECTOR_INDEXES	MEMORY_SIZE	11	NULL	NO	bigint	NULL	NULL	20	0	NULL	NULL	NULL	bigint(19) unsigned			select		NEVER	NULL	NO	NO	

+def	information_schema	VECTOR_INDEXES	SUBDIST_ENABLED	10	NULL	YES	varchar	3	9	NULL	NULL	NULL	utf8mb3	utf8mb3_general_ci	varchar(3)			select		NEVER	NULL	NO	NO	

+def	information_schema	VECTOR_INDEXES	TABLE_CATALOG	1	NULL	NO	varchar	64	192	NULL	NULL	NULL	utf8mb3	utf8mb3_general_ci	varchar(64)			select		NEVER	NULL	NO	NO	

+def	information_schema	VECTOR_INDEXES	TABLE_NAME	3	NULL	NO	varchar	64	192	NULL	NULL	NULL	utf8mb3	utf8mb3_general_ci	varchar(64)			select		NEVER	NULL	NO	NO	

+def	information_schema	VECTOR_INDEXES	TABLE_SCHEMA	2	NULL	NO	varchar	64	192	NULL	NULL	NULL	utf8mb3	utf8mb3_general_ci	varchar(64)			select		NEVER	NULL	NO	NO	

+def	information_schema	VECTOR_INDEXES	TOTAL_NODES	7	NULL	NO	bigint	NULL	NULL	20	0	NULL	NULL	NULL	bigint(19) unsigned			select		NEVER	NULL	NO	NO	

+def	information_schema	VECTOR_INDEXES	VECTOR_DIMENSIONS	5	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	NULL	int(10) unsigned			select		NEVER	NULL	NO	NO	

 def	information_schema	VIEWS	ALGORITHM	11	NULL	NO	varchar	10	30	NULL	NULL	NULL	utf8mb3	utf8mb3_general_ci	varchar(10)			select		NEVER	NULL	NO	NO	

 def	information_schema	VIEWS	CHARACTER_SET_CLIENT	9	NULL	NO	varchar	32	96	NULL	NULL	NULL	utf8mb3	utf8mb3_general_ci	varchar(32)			select		NEVER	NULL	NO	NO	

 def	information_schema	VIEWS	CHECK_OPTION	5	NULL	NO	varchar	8	24	NULL	NULL	NULL	utf8mb3	utf8mb3_general_ci	varchar(8)			select		NEVER	NULL	NO	NO	

@@ -1321,6 +1322,7 @@

 NULL	information_schema	USER_STATISTICS	EMPTY_QUERIES	bigint	NULL	NULL	NULL	NULL	bigint(21)

 NULL	information_schema	USER_STATISTICS	TOTAL_SSL_CONNECTIONS	bigint	NULL	NULL	NULL	NULL	bigint(21) unsigned

 NULL	information_schema	USER_STATISTICS	MAX_STATEMENT_TIME_EXCEEDED	bigint	NULL	NULL	NULL	NULL	bigint(21)

+3.0000	information_schema	VECTOR_INDEXES	TABLE_CATALOG	varchar	64	192	utf8mb3	utf8mb3_general_ci	varchar(64)

 3.0000	information_schema	VECTOR_INDEXES	TABLE_SCHEMA	varchar	64	192	utf8mb3	utf8mb3_general_ci	varchar(64)

 3.0000	information_schema	VECTOR_INDEXES	TABLE_NAME	varchar	64	192	utf8mb3	utf8mb3_general_ci	varchar(64)

 3.0000	information_schema	VECTOR_INDEXES	INDEX_NAME	varchar	64	192	utf8mb3	utf8mb3_general_ci	varchar(64)

Result length mismatch