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# name : innodb_admin_command_base.patch
# introduced : 11 or before
# maintainer : Yasufumi
#
#!!! notice !!!
# Any small change to this file in the main branch
# should be done or reviewed by the maintainer!
diff -ruN a/storage/innodb_plugin/handler/ha_innodb.cc b/storage/innodb_plugin/handler/ha_innodb.cc
--- a/storage/innodb_plugin/handler/ha_innodb.cc 2010-08-27 16:27:30.222410116 +0900
+++ b/storage/innodb_plugin/handler/ha_innodb.cc 2010-08-27 16:27:44.073104773 +0900
@@ -11542,6 +11542,7 @@
i_s_innodb_cmpmem_reset,
i_s_innodb_table_stats,
i_s_innodb_index_stats,
+i_s_innodb_admin_command,
i_s_innodb_patches
mysql_declare_plugin_end;
diff -ruN a/storage/innodb_plugin/handler/i_s.cc b/storage/innodb_plugin/handler/i_s.cc
--- a/storage/innodb_plugin/handler/i_s.cc 2010-08-27 16:22:04.261021936 +0900
+++ b/storage/innodb_plugin/handler/i_s.cc 2010-08-27 16:27:44.077058655 +0900
@@ -2948,3 +2948,139 @@
STRUCT_FLD(system_vars, NULL),
STRUCT_FLD(__reserved1, NULL)
};
+
+/***********************************************************************
+*/
+static ST_FIELD_INFO i_s_innodb_admin_command_info[] =
+{
+ {STRUCT_FLD(field_name, "result_message"),
+ STRUCT_FLD(field_length, 1024),
+ STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
+ STRUCT_FLD(value, 0),
+ STRUCT_FLD(field_flags, 0),
+ STRUCT_FLD(old_name, ""),
+ STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
+
+ END_OF_ST_FIELD_INFO
+};
+
+#ifndef INNODB_COMPATIBILITY_HOOKS
+#error InnoDB needs MySQL to be built with #define INNODB_COMPATIBILITY_HOOKS
+#endif
+
+extern "C" {
+char **thd_query(MYSQL_THD thd);
+}
+
+static
+int
+i_s_innodb_admin_command_fill(
+/*==========================*/
+ THD* thd,
+ TABLE_LIST* tables,
+ COND* cond)
+{
+ TABLE* i_s_table = (TABLE *) tables->table;
+ char** query_str;
+ char* ptr;
+ char quote = '\0';
+ const char* command_head = "XTRA_";
+
+ DBUG_ENTER("i_s_innodb_admin_command_fill");
+
+ /* deny access to non-superusers */
+ if (check_global_access(thd, PROCESS_ACL)) {
+ DBUG_RETURN(0);
+ }
+
+ if(thd_sql_command(thd) != SQLCOM_SELECT) {
+ field_store_string(i_s_table->field[0],
+ "SELECT command is only accepted.");
+ goto end_func;
+ }
+
+ query_str = thd_query(thd);
+ ptr = *query_str;
+
+ for (; *ptr; ptr++) {
+ if (*ptr == quote) {
+ quote = '\0';
+ } else if (quote) {
+ } else if (*ptr == '`' || *ptr == '"') {
+ quote = *ptr;
+ } else {
+ long i;
+ for (i = 0; command_head[i]; i++) {
+ if (toupper((int)(unsigned char)(ptr[i]))
+ != toupper((int)(unsigned char)
+ (command_head[i]))) {
+ goto nomatch;
+ }
+ }
+ break;
+nomatch:
+ ;
+ }
+ }
+
+ if (!*ptr) {
+ field_store_string(i_s_table->field[0],
+ "No XTRA_* command in the SQL statement."
+ " Please add /*!XTRA_xxxx*/ to the SQL.");
+ goto end_func;
+ }
+
+ if (!strncasecmp("XTRA_HELLO", ptr, 10)) {
+ /* This is example command XTRA_HELLO */
+
+ ut_print_timestamp(stderr);
+ fprintf(stderr, " InnoDB: administration command test for XtraDB"
+ " 'XTRA_HELLO' was detected.\n");
+
+ field_store_string(i_s_table->field[0],
+ "Hello!");
+ goto end_func;
+ }
+
+ field_store_string(i_s_table->field[0],
+ "Undefined XTRA_* command.");
+ goto end_func;
+
+end_func:
+ if (schema_table_store_record(thd, i_s_table)) {
+ DBUG_RETURN(1);
+ } else {
+ DBUG_RETURN(0);
+ }
+}
+
+static
+int
+i_s_innodb_admin_command_init(
+/*==========================*/
+ void* p)
+{
+ DBUG_ENTER("i_s_innodb_admin_command_init");
+ ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
+
+ schema->fields_info = i_s_innodb_admin_command_info;
+ schema->fill_table = i_s_innodb_admin_command_fill;
+
+ DBUG_RETURN(0);
+}
+
+UNIV_INTERN struct st_mysql_plugin i_s_innodb_admin_command =
+{
+ STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
+ STRUCT_FLD(info, &i_s_info),
+ STRUCT_FLD(name, "XTRADB_ADMIN_COMMAND"),
+ STRUCT_FLD(author, plugin_author),
+ STRUCT_FLD(descr, "XtraDB specific command acceptor"),
+ STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
+ STRUCT_FLD(init, i_s_innodb_admin_command_init),
+ STRUCT_FLD(deinit, i_s_common_deinit),
+ STRUCT_FLD(version, 0x0100 /* 1.0 */),
+ STRUCT_FLD(status_vars, NULL),
+ STRUCT_FLD(system_vars, NULL),
+ STRUCT_FLD(__reserved1, NULL)
+};
diff -ruN a/storage/innodb_plugin/handler/i_s.h b/storage/innodb_plugin/handler/i_s.h
--- a/storage/innodb_plugin/handler/i_s.h 2010-08-27 16:22:04.261987654 +0900
+++ b/storage/innodb_plugin/handler/i_s.h 2010-08-27 16:27:44.079059299 +0900
@@ -40,5 +40,6 @@
extern struct st_mysql_plugin i_s_innodb_rseg;
extern struct st_mysql_plugin i_s_innodb_table_stats;
extern struct st_mysql_plugin i_s_innodb_index_stats;
+extern struct st_mysql_plugin i_s_innodb_admin_command;
#endif /* i_s_h */
diff -ruN a/storage/innodb_plugin/handler/innodb_patch_info.h b/storage/innodb_plugin/handler/innodb_patch_info.h
--- a/storage/innodb_plugin/handler/innodb_patch_info.h 2010-08-27 16:27:30.223001821 +0900
+++ b/storage/innodb_plugin/handler/innodb_patch_info.h 2010-08-27 16:27:44.074104321 +0900
@@ -38,5 +38,6 @@
{"innodb_stats","Additional features about InnoDB statistics/optimizer","","http://www.percona.com/docs/wiki/percona-xtradb"},
{"innodb_recovery_patches","Bugfixes and adjustments about recovery process","","http://www.percona.com/docs/wiki/percona-xtradb"},
{"innodb_purge_thread","Enable to use purge devoted thread","","http://www.percona.com/docs/wiki/percona-xtradb"},
+{"innodb_admin_command_base","XtraDB specific command interface through i_s","","http://www.percona.com/docs/wiki/percona-xtradb"},
{NULL, NULL, NULL, NULL}
};
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