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/usr/lib/mysql-testsuite/t/ps_4heap.test is in percona-server-test-5.6 5.6.22-rel71.0-0ubuntu4.

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###############################################
#                                             #
#   Prepared Statements test on HEAP tables   #
#                                             #
###############################################

# This test checks some limits which are related to MAX_INDEXES constant
# which could be set to non-default value at build time.
# We just skip the test in this case.
--source include/have_64_keys.inc

#    
# NOTE: PLEASE SEE ps_1general.test (bottom) 
#       BEFORE ADDING NEW TEST CASES HERE !!!

use test;

let $type= 'HEAP' ;
--disable_warnings
drop table if exists t1, t9 ;
--enable_warnings
eval create table t1
(
  a int, b varchar(30),
  primary key(a)
) engine = $type ;

--disable_warnings
drop table if exists t9;
--enable_warnings
# The used table type doesn't support BLOB/TEXT columns.
# (The server would send error 1163  .)
# So we use char(100) instead.
eval create table t9 
(
  c1  tinyint, c2  smallint, c3  mediumint, c4  int,
  c5  integer, c6  bigint, c7  float, c8  double,
  c9  double precision, c10 real, c11 decimal(7, 4), c12 numeric(8, 4),
  c13 date, c14 datetime, c15 timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP 
  ON UPDATE CURRENT_TIMESTAMP, c16 time,
  c17 year, c18 tinyint, c19 bool, c20 char,
  c21 char(10), c22 varchar(30), c23 varchar(100), c24 varchar(100),
  c25 varchar(100), c26 varchar(100), c27 varchar(100), c28 varchar(100),
  c29 varchar(100), c30 varchar(100), c31 enum('one', 'two', 'three'),
  c32 set('monday', 'tuesday', 'wednesday'),
  primary key(c1)
) engine = $type ;
-- source include/ps_renew.inc

-- source include/ps_query.inc
-- source include/ps_modify.inc
-- source include/ps_modify1.inc
-- source include/ps_conv.inc

drop table t1, t9;

# End of 4.1 tests