Quelle  information_schema.test  Sprache: unbekannt

# Tests for PERFORMANCE_SCHEMA

--source include/not_embedded.inc
--source include/have_perfschema.inc

# Several selects so the output is readable

# Note that TABLE_NAME is in uppercase is some platforms,
# and in lowercase in others.
# Using lower(TABLE_NAME) to have consistent results.

select TABLE_SCHEMA, lower(TABLE_NAME), TABLE_CATALOG
  from information_schema.tables
  where TABLE_SCHEMA='performance_schema'
  order by table_name;

select lower(TABLE_NAME), TABLE_TYPE, ENGINE
  from information_schema.tables
  where TABLE_SCHEMA='performance_schema'
  order by table_name;

select lower(TABLE_NAME), VERSION, ROW_FORMAT
  from information_schema.tables
  where TABLE_SCHEMA='performance_schema'
  order by table_name;

# Query status and system variable tables separately because AVG_ROW_LENGTH
# depends upon which plugins are loaded at the time of the query.
#
# TABLE_ROWS is unpredictable with autoscaling buffers
select lower(TABLE_NAME), AVG_ROW_LENGTH
  from information_schema.tables
  where TABLE_SCHEMA='performance_schema' and
  lower(TABLE_NAME) not regexp '^variables|variables$|^status|session_status|global_status'
  order by table_name;

--replace_column 2 table_rows 3 avg_row_len
select lower(TABLE_NAME), TABLE_ROWS, AVG_ROW_LENGTH
  from information_schema.tables
  where TABLE_SCHEMA='performance_schema' and
  lower(TABLE_NAME) regexp '^variables|variables$|^status|session_status|global_status'
  order by table_name;

select lower(TABLE_NAME), DATA_LENGTH, MAX_DATA_LENGTH
  from information_schema.tables
  where TABLE_SCHEMA='performance_schema'
  order by table_name;

select lower(TABLE_NAME), INDEX_LENGTH, DATA_FREE, AUTO_INCREMENT
  from information_schema.tables
  where TABLE_SCHEMA='performance_schema'
  order by table_name;

select lower(TABLE_NAME), CREATE_TIME, UPDATE_TIME, CHECK_TIME
  from information_schema.tables
  where TABLE_SCHEMA='performance_schema'
  order by table_name;

select lower(TABLE_NAME), TABLE_COLLATION, CHECKSUM
  from information_schema.tables
  where TABLE_SCHEMA='performance_schema'
  order by table_name;

select lower(TABLE_NAME), CREATE_OPTIONS
  from information_schema.tables
  where TABLE_SCHEMA='performance_schema'
  order by table_name;

select lower(TABLE_NAME), TABLE_COMMENT
  from information_schema.tables
  where TABLE_SCHEMA='performance_schema'
  order by table_name;