1 files changed, 45 insertions, 0 deletions
diff --git a/mysql-test/include/install_plugin_if_exists.inc b/mysql-test/include/install_plugin_if_exists.inc
new file mode 100644
index 00000000..c641f020
--- /dev/null
+++ b/mysql-test/include/install_plugin_if_exists.inc
@@ -0,0 +1,45 @@
+--echo #
+--echo # MDEV-16294: INSTALL PLUGIN IF NOT EXISTS / UNINSTALL PLUGIN IF EXISTS
+--echo #
+--echo # INSTALL IF NOT EXISTS PLUGIN name SONAME library /
+--echo # UNINSTALL IF EXISTS PLUGIN|SONAME name
+--echo #
+
+if (!$HA_EXAMPLE_SO) {
+  skip Needs ha_example plugin;
+}
+
+select PLUGIN_NAME,PLUGIN_STATUS,PLUGIN_TYPE from information_schema.plugins where plugin_library like 'ha_example%';
+INSTALL PLUGIN IF NOT EXISTS example SONAME 'ha_example';
+select PLUGIN_NAME,PLUGIN_STATUS,PLUGIN_TYPE from information_schema.plugins where plugin_library like 'ha_example%';
+
+--replace_regex /\.dll/.so/
+--error ER_PLUGIN_INSTALLED
+INSTALL PLUGIN example SONAME 'ha_example';
+
+INSTALL PLUGIN IF NOT EXISTS example SONAME 'ha_example';
+SHOW WARNINGS;
+
+UNINSTALL PLUGIN IF EXISTS example;
+select PLUGIN_NAME,PLUGIN_STATUS,PLUGIN_TYPE from information_schema.plugins where plugin_library like 'ha_example%';
+
+UNINSTALL PLUGIN IF EXISTS example;
+SHOW WARNINGS;
+
+--error ER_SP_DOES_NOT_EXIST
+UNINSTALL PLUGIN example;
+
+INSTALL SONAME 'ha_example';
+select PLUGIN_NAME,PLUGIN_STATUS,PLUGIN_TYPE from information_schema.plugins where plugin_library like 'ha_example%';
+
+UNINSTALL SONAME IF EXISTS 'ha_example';
+
+--replace_regex /\.dll/.so/
+UNINSTALL SONAME IF EXISTS 'ha_example';
+--replace_regex /\.dll/.so/
+SHOW WARNINGS;
+select PLUGIN_NAME,PLUGIN_STATUS,PLUGIN_TYPE from information_schema.plugins where plugin_library like 'ha_example%';
+
+--replace_regex /\.dll/.so/
+--error ER_SP_DOES_NOT_EXIST
+UNINSTALL SONAME 'ha_example';