#
# Bug#18925: subqueries with MIN/MAX functions on INFORMATION_SCHEMA 
#
SELECT t.table_name, c1.column_name
FROM information_schema.tables t
INNER JOIN
information_schema.columns c1
ON t.table_schema = c1.table_schema AND
t.table_name = c1.table_name
WHERE t.table_schema = 'information_schema' AND
c1.ordinal_position =
( SELECT COALESCE(MIN(c2.ordinal_position),1)
FROM information_schema.columns c2
WHERE c2.table_schema = t.table_schema AND
c2.table_name = t.table_name AND
c2.column_name LIKE '%SCHEMA%'
        )
AND t.table_name NOT LIKE 'innodb%' and t.table_name NOT LIKE "OPTIMIZER_TRACE%";
table_name	column_name
ALL_PLUGINS	PLUGIN_NAME
APPLICABLE_ROLES	GRANTEE
CHARACTER_SETS	CHARACTER_SET_NAME
CHECK_CONSTRAINTS	CONSTRAINT_SCHEMA
CLIENT_STATISTICS	CLIENT
COLLATIONS	COLLATION_NAME
COLLATION_CHARACTER_SET_APPLICABILITY	COLLATION_NAME
COLUMNS	TABLE_SCHEMA
COLUMN_PRIVILEGES	TABLE_SCHEMA
ENABLED_ROLES	ROLE_NAME
ENGINES	ENGINE
EVENTS	EVENT_SCHEMA
FILES	TABLE_SCHEMA
GEOMETRY_COLUMNS	F_TABLE_SCHEMA
GLOBAL_STATUS	VARIABLE_NAME
GLOBAL_VARIABLES	VARIABLE_NAME
INDEX_STATISTICS	TABLE_SCHEMA
KEYWORDS	WORD
KEY_CACHES	KEY_CACHE_NAME
KEY_COLUMN_USAGE	CONSTRAINT_SCHEMA
OPTIMIZER_COSTS	ENGINE
PARAMETERS	SPECIFIC_SCHEMA
PARTITIONS	TABLE_SCHEMA
PLUGINS	PLUGIN_NAME
PROCESSLIST	ID
PROFILING	QUERY_ID
REFERENTIAL_CONSTRAINTS	CONSTRAINT_SCHEMA
ROUTINES	ROUTINE_SCHEMA
SCHEMATA	SCHEMA_NAME
SCHEMA_PRIVILEGES	TABLE_SCHEMA
SESSION_STATUS	VARIABLE_NAME
SESSION_VARIABLES	VARIABLE_NAME
SPATIAL_REF_SYS	SRID
SQL_FUNCTIONS	FUNCTION
STATISTICS	TABLE_SCHEMA
SYSTEM_VARIABLES	VARIABLE_NAME
TABLES	TABLE_SCHEMA
TABLESPACES	TABLESPACE_NAME
TABLE_CONSTRAINTS	CONSTRAINT_SCHEMA
TABLE_PRIVILEGES	TABLE_SCHEMA
TABLE_STATISTICS	TABLE_SCHEMA
TRIGGERS	TRIGGER_SCHEMA
USER_PRIVILEGES	GRANTEE
USER_STATISTICS	USER
VIEWS	TABLE_SCHEMA
SELECT t.table_name, c1.column_name
FROM information_schema.tables t
INNER JOIN
information_schema.columns c1
ON t.table_schema = c1.table_schema AND
t.table_name = c1.table_name
WHERE t.table_schema = 'information_schema' AND
c1.ordinal_position =
( SELECT COALESCE(MIN(c2.ordinal_position),1)
FROM information_schema.columns c2
WHERE c2.table_schema = 'information_schema' AND
c2.table_name = t.table_name AND
c2.column_name LIKE '%SCHEMA%'
        )
AND t.table_name NOT LIKE 'innodb%' and t.table_name NOT LIKE "OPTIMIZER_TRACE%";
table_name	column_name
ALL_PLUGINS	PLUGIN_NAME
APPLICABLE_ROLES	GRANTEE
CHARACTER_SETS	CHARACTER_SET_NAME
CHECK_CONSTRAINTS	CONSTRAINT_SCHEMA
CLIENT_STATISTICS	CLIENT
COLLATIONS	COLLATION_NAME
COLLATION_CHARACTER_SET_APPLICABILITY	COLLATION_NAME
COLUMNS	TABLE_SCHEMA
COLUMN_PRIVILEGES	TABLE_SCHEMA
ENABLED_ROLES	ROLE_NAME
ENGINES	ENGINE
EVENTS	EVENT_SCHEMA
FILES	TABLE_SCHEMA
GEOMETRY_COLUMNS	F_TABLE_SCHEMA
GLOBAL_STATUS	VARIABLE_NAME
GLOBAL_VARIABLES	VARIABLE_NAME
INDEX_STATISTICS	TABLE_SCHEMA
KEYWORDS	WORD
KEY_CACHES	KEY_CACHE_NAME
KEY_COLUMN_USAGE	CONSTRAINT_SCHEMA
OPTIMIZER_COSTS	ENGINE
PARAMETERS	SPECIFIC_SCHEMA
PARTITIONS	TABLE_SCHEMA
PLUGINS	PLUGIN_NAME
PROCESSLIST	ID
PROFILING	QUERY_ID
REFERENTIAL_CONSTRAINTS	CONSTRAINT_SCHEMA
ROUTINES	ROUTINE_SCHEMA
SCHEMATA	SCHEMA_NAME
SCHEMA_PRIVILEGES	TABLE_SCHEMA
SESSION_STATUS	VARIABLE_NAME
SESSION_VARIABLES	VARIABLE_NAME
SPATIAL_REF_SYS	SRID
SQL_FUNCTIONS	FUNCTION
STATISTICS	TABLE_SCHEMA
SYSTEM_VARIABLES	VARIABLE_NAME
TABLES	TABLE_SCHEMA
TABLESPACES	TABLESPACE_NAME
TABLE_CONSTRAINTS	CONSTRAINT_SCHEMA
TABLE_PRIVILEGES	TABLE_SCHEMA
TABLE_STATISTICS	TABLE_SCHEMA
TRIGGERS	TRIGGER_SCHEMA
USER_PRIVILEGES	GRANTEE
USER_STATISTICS	USER
VIEWS	TABLE_SCHEMA