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alter table performance_schema.events_stages_current add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.events_stages_current;
ALTER TABLE performance_schema.events_stages_current ADD INDEX test_index(EVENT_ID);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.events_stages_current(EVENT_ID);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
TABLE_CATALOG TABLE_SCHEMA TABLE_NAME COLUMN_NAME ORDINAL_POSITION COLUMN_DEFAULT IS_NULLABLE DATA_TYPE CHARACTER_MAXIMUM_LENGTH CHARACTER_OCTET_LENGTH NUMERIC_PRECISION NUMERIC_SCALE DATETIME_PRECISION CHARACTER_SET_NAME COLLATION_NAME COLUMN_TYPE COLUMN_KEY EXTRA PRIVILEGES COLUMN_COMMENT IS_GENERATED GENERATION_EXPRESSION
def performance_schema events_stages_current WORK_COMPLETED 9 NULL YES bigint NULL NULL 20 0 NULL NULL NULL bigint(20) unsigned select,insert,update,references NEVER NULL
def performance_schema events_stages_current WORK_ESTIMATED 10 NULL YES bigint NULL NULL 20 0 NULL NULL NULL bigint(20) unsigned select,insert,update,references NEVER NULL
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