Adding test cases for the example storage engine (so that you can test to see if it was built correctly).

mysql-test/include/have_exampledb.inc

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+-- require r/have_exampledb.require
+disable_query_log;
+show variables like "have_example_engine";
+enable_query_log;

mysql-test/r/exampledb.result

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+drop table if exists t1;
+CREATE TABLE t1 (
+Period smallint(4) unsigned zerofill DEFAULT '0000' NOT NULL,
+Varor_period smallint(4) unsigned DEFAULT '0' NOT NULL
+) ENGINE=example;
+drop table t1;

mysql-test/r/have_exampledb.require

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+Variable_name	Value
+have_exampledb	YES

mysql-test/t/exampledb.test

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+#
+# Simple test for the example storage engine
+# Taken fromm the select test
+#
+-- source include/have_exampledb.inc
+
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
+CREATE TABLE t1 (
+  Period smallint(4) unsigned zerofill DEFAULT '0000' NOT NULL,
+  Varor_period smallint(4) unsigned DEFAULT '0' NOT NULL
+) ENGINE=example;
+
+drop table t1;