Bug #11750417 40942: UNABLE TO INSTALL FEDERATED PLUGIN

  Link plugin with a copy of string.o
  Copied test from 5.5 but this was dysfunctional, made it work
  Also tested on Windows

mysql-test/include/have_federated_plugin.inc

+if (`select plugin_library IS NULL from information_schema.plugins where plugin_name LIKE '%federated%'`)
+{
+  --skip federated plugin not available
+}
+

mysql-test/mysql-test-run.pl

@@ -1979,6 +1979,24 @@ sub environment_setup {
     $ENV{'EXAMPLE_PLUGIN_LOAD'}="--plugin_load=EXAMPLE=".$plugin_filename;
   }
 
+  # --------------------------------------------------------------------------
+  # Add the path where mysqld will find ha_federated.so
+  # --------------------------------------------------------------------------
+  my $fedplug_filename;
+  if (IS_WINDOWS) {
+    $fedplug_filename = "ha_federated.dll";
+  } else {
+    $fedplug_filename = "ha_federated.so";
+  }
+  my $lib_fed_plugin=
+    mtr_file_exists(vs_config_dirs('storage/federated',$fedplug_filename),
+		    "$basedir/storage/federated/.libs/".$fedplug_filename,
+		    "$basedir/lib/mysql/plugin/".$fedplug_filename);
+
+  $ENV{'FEDERATED_PLUGIN'}= $fedplug_filename;
+  $ENV{'FEDERATED_PLUGIN_DIR'}=
+    ($lib_fed_plugin ? dirname($lib_fed_plugin) : "");
+
   # ----------------------------------------------------
   # Add the path where mysqld will find mypluglib.so
   # ----------------------------------------------------

mysql-test/suite/federated/federated_plugin-master.opt

+--plugin_dir=$FEDERATED_PLUGIN_DIR
+--loose-federated=ON

mysql-test/suite/federated/federated_plugin.result

+CREATE TABLE t2(a int);
+CREATE TABLE t1(a int) ENGINE=FEDERATED
+CONNECTION='mysql://root@localhost:$MASTER_MYPORT/test/t2';
+Warnings:
+Warning	1286	Unknown table engine 'FEDERATED'
+Warning	1266	Using storage engine MyISAM for table 't1'
+DROP TABLE t1;
+INSTALL PLUGIN federated SONAME 'FEDERATED_PLUGIN';
+INSTALL PLUGIN FEDERATED SONAME 'FEDERATED_PLUGIN';
+ERROR HY000: Function 'FEDERATED' already exists
+UNINSTALL PLUGIN federated;
+INSTALL PLUGIN federated SONAME 'FEDERATED_PLUGIN';
+CREATE TABLE t1(a int) ENGINE=FEDERATED
+CONNECTION='mysql://root@localhost:$MASTER_MYPORT/test/t2';
+DROP TABLE t1;
+UNINSTALL PLUGIN federated;
+UNINSTALL PLUGIN federated;
+ERROR 42000: PLUGIN federated does not exist
+DROP TABLE t2;

mysql-test/suite/federated/federated_plugin.test

+--source include/have_federated_plugin.inc
+
+connect (master,localhost,root,,test,$MASTER_MYPORT,);
+connect (slave,localhost,root,,test,$SLAVE_MYPORT,);
+
+connection master;
+CREATE TABLE t2(a int);
+
+connection slave;
+CREATE TABLE t1(a int) ENGINE=FEDERATED
+  CONNECTION='mysql://root@localhost:$MASTER_MYPORT/test/t2';
+DROP TABLE t1;
+
+--replace_result $FEDERATED_PLUGIN FEDERATED_PLUGIN
+eval INSTALL PLUGIN federated SONAME '$FEDERATED_PLUGIN';
+--replace_result $FEDERATED_PLUGIN FEDERATED_PLUGIN
+--error ER_UDF_EXISTS
+eval INSTALL PLUGIN FEDERATED SONAME '$FEDERATED_PLUGIN';
+
+UNINSTALL PLUGIN federated;
+
+--replace_result $FEDERATED_PLUGIN FEDERATED_PLUGIN
+eval INSTALL PLUGIN federated SONAME '$FEDERATED_PLUGIN';
+
+CREATE TABLE t1(a int) ENGINE=FEDERATED
+  CONNECTION='mysql://root@localhost:$MASTER_MYPORT/test/t2';
+DROP TABLE t1;
+
+UNINSTALL PLUGIN federated;
+--error ER_SP_DOES_NOT_EXIST
+UNINSTALL PLUGIN federated;
+
+connection master;
+DROP TABLE t2;

storage/federated/Makefile.am

@@ -37,14 +37,14 @@ pkgplugin_LTLIBRARIES =	@plugin_federated_shared_target@
 ha_federated_la_LDFLAGS =	-module -rpath $(pkgplugindir)
 ha_federated_la_CXXFLAGS=	$(AM_CXXFLAGS) -DMYSQL_DYNAMIC_PLUGIN
 ha_federated_la_CFLAGS =	$(AM_CFLAGS) -DMYSQL_DYNAMIC_PLUGIN
-ha_federated_la_SOURCES =	ha_federated.cc
+ha_federated_la_SOURCES =	ha_federated.cc $(top_srcdir)/mysys/string.c
 
 
 EXTRA_LIBRARIES =	libfederated.a
 noinst_LIBRARIES =	@plugin_federated_static_target@
 libfederated_a_CXXFLAGS =	$(AM_CXXFLAGS)
 libfederated_a_CFLAGS =	$(AM_CFLAGS)
-libfederated_a_SOURCES=	ha_federated.cc
+libfederated_a_SOURCES=	ha_federated.cc $(top_srcdir)/mysys/string.c
 
 
 EXTRA_DIST =		CMakeLists.txt plug.in