mariadb/mysql-test/suite/storage_engine/cache_index.test

# 
# CACHE INDEX and LOAD INDEX INTO CACHE
#

--source have_engine.inc
--source have_default_index.inc


# Due to ancient MySQL bug#16111 we need to generate a unique cache name
--let $cache_name = `SELECT CONNECTION_ID()`
--let $cache_name = my_cache_$cache_name

--disable_warnings
DROP TABLE IF EXISTS t1, t2;
--enable_warnings

let $create_definition = 
  a $int_indexed_col,
  b $char_col,
  $default_index (a)
;
--source create_table.inc
if ($mysql_errname)
{
  --let $functionality = Indexes on INT columns
  --source unexpected_result.inc
}
if (!$mysql_errname)
{
  let $create_definition =
    a $int_col,
    b $char_indexed_col,
    $default_index (b)
  ;
  let $table_name = t2;
  --source create_table.inc
  if ($mysql_errname)
  {
    --let $functionality = Indexes on CHAR columns
    --source unexpected_result.inc
  }
  if (!$mysql_errname)
  {
    --replace_result $cache_name <CACHE_NAME>
    --let $error_codes = ER_UNKNOWN_KEY_CACHE
    eval CACHE INDEX t1 INDEX (a), t2 IN $cache_name;
    --source check_errors.inc
    if ($mysql_errname != ER_UNKNOWN_KEY_CACHE)
    {
      --let $functionality = Key cache or indexes
      --source unexpected_result.inc
    }

    --replace_result $cache_name <CACHE_NAME>
    eval SET GLOBAL $cache_name.key_buffer_size=128*1024;
    --replace_result $cache_name <CACHE_NAME>
    eval CACHE INDEX t1 INDEX (a), t2 IN $cache_name;
    if ($mysql_errname)
    {
      --let $functionality = Indexes
      --source unexpected_result.inc
    }

    LOAD INDEX INTO CACHE t1, t2;
    if ($mysql_errname)
    {
      --let $functionality = Indexes
      --source unexpected_result.inc
    }

    INSERT INTO t1 (a,b) VALUES (3,'c'),(4,'d');
    --replace_result $cache_name <CACHE_NAME>
    eval SET GLOBAL $cache_name.key_buffer_size=8*1024;
    LOAD INDEX INTO CACHE t1, t2 IGNORE LEAVES;

    --replace_result $cache_name <CACHE_NAME>
    eval SET GLOBAL $cache_name.key_cache_age_threshold = 100, $cache_name.key_cache_block_size = 512, $cache_name.key_cache_division_limit = 1, $cache_name.key_cache_segments=2;
    INSERT INTO t1 (a,b) VALUES (5,'e'),(6,'f');
    LOAD INDEX INTO CACHE t1;

    --replace_result $cache_name <CACHE_NAME>
    eval SET GLOBAL new_$cache_name.key_buffer_size=128*1024;
    --replace_result $cache_name <CACHE_NAME>
    eval CACHE INDEX t1  IN new_$cache_name;
    INSERT INTO t1 (a,b) VALUES (7,'g'),(8,'h');
    LOAD INDEX INTO CACHE t1 IGNORE LEAVES;
    INSERT INTO t1 (a,b) VALUES (9,'i');
    DROP TABLE t2;
  }
  DROP TABLE t1;
}

let $create_definition = 
    a $int_indexed_col,
    b $char_indexed_col,
    $default_index (a),
    $default_index (b)
;
--source create_table.inc
if ($mysql_errname)
{
  --let $functionality = Multiple keys or indexes on INT or CHAR columns
  --source unexpected_result.inc
}
if (!$mysql_errname)
{
  --replace_result $cache_name <CACHE_NAME>
  eval CACHE INDEX t1 IN $cache_name;
  INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b');
  LOAD INDEX INTO CACHE t1;

  DROP TABLE t1;
  let $create_definition =
      a $int_indexed_col,
      b $char_indexed_col,
      $default_index a_b (a,b)
  ;
  --source create_table.inc
  if ($mysql_errname)
  {
    --let $functionality = Multi-part keys
    --source unexpected_result.inc
  }

  --replace_result $cache_name <CACHE_NAME>
  eval CACHE INDEX t1 IN $cache_name;
  INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b');
  LOAD INDEX INTO CACHE t1;

  DROP TABLE t1;
}

# Cleanup

--replace_result $cache_name <CACHE_NAME>
eval SET GLOBAL $cache_name.key_buffer_size=0;
--replace_result $cache_name <CACHE_NAME>
eval SET GLOBAL new_$cache_name.key_buffer_size=0;


--source cleanup_engine.inc