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diff --git a/storage/tokudb/tokudb_sysvars.cc b/storage/tokudb/tokudb_sysvars.cc
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+/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
+/* -*- mode: C; c-basic-offset: 4 -*- */
+#ident "$Id$"
+/*======
+This file is part of TokuDB
+
+
+Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
+
+ TokuDBis is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License, version 2,
+ as published by the Free Software Foundation.
+
+ TokuDB is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with TokuDB. If not, see <http://www.gnu.org/licenses/>.
+
+======= */
+
+#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
+
+#include "hatoku_hton.h"
+
+namespace tokudb {
+namespace sysvars {
+
+//******************************************************************************
+// global variables
+//******************************************************************************
+#ifdef TOKUDB_VERSION
+#define tokudb_stringify_2(x) #x
+#define tokudb_stringify(x) tokudb_stringify_2(x)
+#define TOKUDB_VERSION_STR tokudb_stringify(TOKUDB_VERSION)
+#else
+#define TOKUDB_VERSION_STR NULL
+#endif
+
+ulonglong cache_size = 0;
+uint cachetable_pool_threads = 0;
+int cardinality_scale_percent = 0;
+my_bool checkpoint_on_flush_logs = FALSE;
+uint checkpoint_pool_threads = 0;
+uint checkpointing_period = 0;
+ulong cleaner_iterations = 0;
+ulong cleaner_period = 0;
+uint client_pool_threads = 0;
+my_bool compress_buffers_before_eviction = TRUE;
+char* data_dir = NULL;
+ulong debug = 0;
+#if TOKUDB_DEBUG
+// used to control background job manager
+my_bool debug_pause_background_job_manager = FALSE;
+#endif
+my_bool directio = FALSE;
+my_bool enable_partial_eviction = TRUE;
+int fs_reserve_percent = 0;
+uint fsync_log_period = 0;
+char* log_dir = NULL;
+ulonglong max_lock_memory = 0;
+uint read_status_frequency = 0;
+my_bool strip_frm_data = FALSE;
+char* tmp_dir = NULL;
+uint write_status_frequency = 0;
+char* version = (char*) TOKUDB_VERSION_STR;
+
+// file system reserve as a percentage of total disk space
+#if TOKU_INCLUDE_HANDLERTON_HANDLE_FATAL_SIGNAL
+char* gdb_path = NULL;
+my_bool gdb_on_fatal = FALSE;
+#endif
+
+#if TOKUDB_CHECK_JEMALLOC
+uint check_jemalloc = 0;
+#endif
+
+static MYSQL_SYSVAR_ULONGLONG(
+ cache_size,
+ cache_size,
+ PLUGIN_VAR_READONLY,
+ "cache table size",
+ NULL,
+ NULL,
+ 0,
+ 0,
+ ~0ULL,
+ 0);
+
+static MYSQL_SYSVAR_UINT(
+ cachetable_pool_threads,
+ cachetable_pool_threads,
+ PLUGIN_VAR_READONLY,
+ "cachetable ops thread pool size",
+ NULL,
+ NULL,
+ 0,
+ 0,
+ 1024,
+ 0);
+
+static MYSQL_SYSVAR_INT(
+ cardinality_scale_percent,
+ cardinality_scale_percent,
+ 0,
+ "index cardinality scale percentage",
+ NULL,
+ NULL,
+ 50,
+ 0,
+ 100,
+ 0);
+
+static MYSQL_SYSVAR_BOOL(
+ checkpoint_on_flush_logs,
+ checkpoint_on_flush_logs,
+ 0,
+ "checkpoint on flush logs",
+ NULL,
+ NULL,
+ FALSE);
+
+static MYSQL_SYSVAR_UINT(
+ checkpoint_pool_threads,
+ checkpoint_pool_threads,
+ PLUGIN_VAR_READONLY,
+ "checkpoint ops thread pool size",
+ NULL,
+ NULL,
+ 0,
+ 0,
+ 1024,
+ 0);
+
+static void checkpointing_period_update(
+ THD* thd,
+ st_mysql_sys_var* sys_var,
+ void* var,
+ const void* save) {
+
+ uint* cp = (uint*)var;
+ *cp = *(const uint*)save;
+ int r = db_env->checkpointing_set_period(db_env, *cp);
+ assert(r == 0);
+}
+
+static MYSQL_SYSVAR_UINT(
+ checkpointing_period,
+ checkpointing_period,
+ 0,
+ "checkpointing period",
+ NULL,
+ checkpointing_period_update,
+ 60,
+ 0,
+ ~0U,
+ 0);
+
+static void cleaner_iterations_update(
+ THD* thd,
+ st_mysql_sys_var* sys_var,
+ void* var,
+ const void* save) {
+
+ ulong* ci = (ulong*)var;
+ *ci = *(const ulong*)save;
+ int r = db_env->cleaner_set_iterations(db_env, *ci);
+ assert(r == 0);
+}
+
+static MYSQL_SYSVAR_ULONG(
+ cleaner_iterations,
+ cleaner_iterations,
+ 0,
+ "cleaner_iterations",
+ NULL,
+ cleaner_iterations_update,
+ DEFAULT_TOKUDB_CLEANER_ITERATIONS,
+ 0,
+ ~0UL,
+ 0);
+
+static void cleaner_period_update(
+ THD* thd,
+ st_mysql_sys_var* sys_var,
+ void* var,
+ const void * save) {
+
+ ulong* cp = (ulong*)var;
+ *cp = *(const ulong*)save;
+ int r = db_env->cleaner_set_period(db_env, *cp);
+ assert(r == 0);
+}
+
+static MYSQL_SYSVAR_ULONG(
+ cleaner_period,
+ cleaner_period,
+ 0,
+ "cleaner_period",
+ NULL,
+ cleaner_period_update,
+ DEFAULT_TOKUDB_CLEANER_PERIOD,
+ 0,
+ ~0UL,
+ 0);
+
+static MYSQL_SYSVAR_UINT(
+ client_pool_threads,
+ client_pool_threads,
+ PLUGIN_VAR_READONLY,
+ "client ops thread pool size",
+ NULL,
+ NULL,
+ 0,
+ 0,
+ 1024,
+ 0);
+
+static MYSQL_SYSVAR_BOOL(
+ compress_buffers_before_eviction,
+ compress_buffers_before_eviction,
+ PLUGIN_VAR_READONLY,
+ "enable in-memory buffer compression before partial eviction",
+ NULL,
+ NULL,
+ TRUE);
+
+static MYSQL_SYSVAR_STR(
+ data_dir,
+ data_dir,
+ PLUGIN_VAR_READONLY,
+ "data directory",
+ NULL,
+ NULL,
+ NULL);
+
+static MYSQL_SYSVAR_ULONG(
+ debug,
+ debug,
+ 0,
+ "plugin debug mask",
+ NULL,
+ NULL,
+ 0,
+ 0,
+ ~0UL,
+ 0);
+
+#if TOKUDB_DEBUG
+static MYSQL_SYSVAR_BOOL(
+ debug_pause_background_job_manager,
+ debug_pause_background_job_manager,
+ 0,
+ "debug : pause the background job manager",
+ NULL,
+ NULL,
+ FALSE);
+#endif // TOKUDB_DEBUG
+
+static MYSQL_SYSVAR_BOOL(
+ directio,
+ directio,
+ PLUGIN_VAR_READONLY, "enable direct i/o ",
+ NULL,
+ NULL,
+ FALSE);
+
+static void enable_partial_eviction_update(
+ THD* thd,
+ st_mysql_sys_var* sys_var,
+ void* var,
+ const void* save) {
+
+ my_bool* epe = (my_bool*)var;
+ *epe = *(const my_bool*)save;
+ int r = db_env->evictor_set_enable_partial_eviction(db_env, *epe);
+ assert(r == 0);
+}
+
+static MYSQL_SYSVAR_BOOL(
+ enable_partial_eviction,
+ enable_partial_eviction,
+ 0,
+ "enable partial node eviction",
+ NULL,
+ enable_partial_eviction_update,
+ TRUE);
+
+static MYSQL_SYSVAR_INT(
+ fs_reserve_percent,
+ fs_reserve_percent,
+ PLUGIN_VAR_READONLY,
+ "file system space reserve (percent free required)",
+ NULL,
+ NULL,
+ 5,
+ 0,
+ 100,
+ 0);
+
+static void fsync_log_period_update(
+ THD* thd,
+ st_mysql_sys_var* sys_var,
+ void* var,
+ const void* save) {
+
+ uint* flp = (uint*)var;
+ *flp = *(const uint*)save;
+ db_env->change_fsync_log_period(db_env, *flp);
+}
+
+static MYSQL_SYSVAR_UINT(
+ fsync_log_period,
+ fsync_log_period,
+ 0,
+ "fsync log period",
+ NULL,
+ fsync_log_period_update,
+ 0,
+ 0,
+ ~0U,
+ 0);
+
+static MYSQL_SYSVAR_STR(
+ log_dir,
+ log_dir,
+ PLUGIN_VAR_READONLY,
+ "log directory",
+ NULL,
+ NULL,
+ NULL);
+
+static MYSQL_SYSVAR_ULONGLONG(
+ max_lock_memory,
+ max_lock_memory,
+ PLUGIN_VAR_READONLY,
+ "max memory for locks",
+ NULL,
+ NULL,
+ 0,
+ 0,
+ ~0ULL,
+ 0);
+
+static MYSQL_SYSVAR_UINT(
+ read_status_frequency,
+ read_status_frequency,
+ 0,
+ "frequency that show processlist updates status of reads",
+ NULL,
+ NULL,
+ 10000,
+ 0,
+ ~0U,
+ 0);
+
+static MYSQL_SYSVAR_BOOL(
+ strip_frm_data,
+ strip_frm_data,
+ PLUGIN_VAR_READONLY,
+ "strip .frm data from metadata file(s)",
+ NULL,
+ NULL,
+ FALSE);
+
+static MYSQL_SYSVAR_STR(
+ tmp_dir,
+ tmp_dir,
+ PLUGIN_VAR_READONLY,
+ "directory to use for temporary files",
+ NULL,
+ NULL,
+ NULL);
+
+static MYSQL_SYSVAR_STR(
+ version,
+ version,
+ PLUGIN_VAR_READONLY,
+ "plugin version",
+ NULL,
+ NULL,
+ NULL);
+
+static MYSQL_SYSVAR_UINT(
+ write_status_frequency,
+ write_status_frequency,
+ 0,
+ "frequency that show processlist updates status of writes",
+ NULL,
+ NULL,
+ 1000,
+ 0,
+ ~0U,
+ 0);
+
+#if TOKU_INCLUDE_HANDLERTON_HANDLE_FATAL_SIGNAL
+static MYSQL_SYSVAR_STR(
+ gdb_path,
+ gdb_path,
+ PLUGIN_VAR_READONLY|PLUGIN_VAR_RQCMDARG,
+ "path to gdb for extra debug info on fatal signal",
+ NULL,
+ NULL,
+ "/usr/bin/gdb");
+
+static MYSQL_SYSVAR_BOOL(
+ gdb_on_fatal,
+ gdb_on_fatal,
+ 0,
+ "enable gdb debug info on fatal signal",
+ NULL,
+ NULL,
+ true);
+#endif
+
+#if TOKUDB_CHECK_JEMALLOC
+static MYSQL_SYSVAR_UINT(
+ check_jemalloc,
+ check_jemalloc,
+ 0,
+ "check if jemalloc is linked",
+ NULL,
+ NULL,
+ 1,
+ 0,
+ 1,
+ 0);
+#endif
+
+
+//******************************************************************************
+// session variables
+//******************************************************************************
+static MYSQL_THDVAR_BOOL(
+ alter_print_error,
+ 0,
+ "print errors for alter table operations",
+ NULL,
+ NULL,
+ false);
+
+static MYSQL_THDVAR_DOUBLE(
+ analyze_delete_fraction,
+ 0,
+ "fraction of rows allowed to be deleted",
+ NULL,
+ NULL,
+ 1.0,
+ 0,
+ 1.0,
+ 1);
+
+static MYSQL_THDVAR_BOOL(
+ analyze_in_background,
+ 0,
+ "dispatch ANALYZE TABLE to background job.",
+ NULL,
+ NULL,
+ false);
+
+const char* srv_analyze_mode_names[] = {
+ "TOKUDB_ANALYZE_STANDARD",
+ "TOKUDB_ANALYZE_RECOUNT_ROWS",
+ "TOKUDB_ANALYZE_CANCEL",
+ NullS
+};
+
+static TYPELIB tokudb_analyze_mode_typelib = {
+ array_elements(srv_analyze_mode_names) - 1,
+ "tokudb_analyze_mode_typelib",
+ srv_analyze_mode_names,
+ NULL
+};
+
+static MYSQL_THDVAR_ENUM(analyze_mode,
+ PLUGIN_VAR_RQCMDARG,
+ "Controls the function of ANALYZE TABLE. Possible values are: "
+ "TOKUDB_ANALYZE_STANDARD perform standard table analysis (default); "
+ "TOKUDB_ANALYZE_RECOUNT_ROWS perform logical recount of table rows;"
+ "TOKUDB_ANALYZE_CANCEL terminate and cancel all scheduled background jobs "
+ "for a table",
+ NULL,
+ NULL,
+ TOKUDB_ANALYZE_STANDARD,
+ &tokudb_analyze_mode_typelib);
+
+static MYSQL_THDVAR_ULONGLONG(
+ analyze_throttle,
+ 0,
+ "analyze throttle (keys)",
+ NULL,
+ NULL,
+ 0,
+ 0,
+ ~0U,
+ 1);
+
+static MYSQL_THDVAR_UINT(
+ analyze_time,
+ 0,
+ "analyze time (seconds)",
+ NULL,
+ NULL,
+ 5,
+ 0,
+ ~0U,
+ 1);
+
+static MYSQL_THDVAR_ULONGLONG(
+ auto_analyze,
+ 0,
+ "auto analyze threshold (percent)",
+ NULL,
+ NULL,
+ 0,
+ 0,
+ ~0U,
+ 1);
+
+static MYSQL_THDVAR_UINT(
+ block_size,
+ 0,
+ "fractal tree block size",
+ NULL,
+ NULL,
+ 4<<20,
+ 4096,
+ ~0U,
+ 1);
+
+static MYSQL_THDVAR_BOOL(
+ bulk_fetch,
+ PLUGIN_VAR_THDLOCAL,
+ "enable bulk fetch",
+ NULL,
+ NULL,
+ true);
+
+static void checkpoint_lock_update(
+ THD* thd,
+ st_mysql_sys_var* var,
+ void* var_ptr,
+ const void* save) {
+
+ my_bool* val = (my_bool*)var_ptr;
+ *val= *(my_bool*)save ? true : false;
+ if (*val) {
+ tokudb_checkpoint_lock(thd);
+ } else {
+ tokudb_checkpoint_unlock(thd);
+ }
+}
+
+static MYSQL_THDVAR_BOOL(
+ checkpoint_lock,
+ 0,
+ "checkpoint lock",
+ NULL,
+ checkpoint_lock_update,
+ false);
+
+static MYSQL_THDVAR_BOOL(
+ commit_sync,
+ PLUGIN_VAR_THDLOCAL,
+ "sync on txn commit",
+ NULL,
+ NULL,
+ true);
+
+static MYSQL_THDVAR_BOOL(
+ create_index_online,
+ 0,
+ "if on, create index done online",
+ NULL,
+ NULL,
+ true);
+
+static MYSQL_THDVAR_BOOL(
+ disable_hot_alter,
+ 0,
+ "if on, hot alter table is disabled",
+ NULL,
+ NULL,
+ false);
+
+static MYSQL_THDVAR_BOOL(
+ disable_prefetching,
+ 0,
+ "if on, prefetching disabled",
+ NULL,
+ NULL,
+ false);
+
+static MYSQL_THDVAR_BOOL(
+ disable_slow_alter,
+ 0,
+ "if on, alter tables that require copy are disabled",
+ NULL,
+ NULL,
+ false);
+
+static const char *tokudb_empty_scan_names[] = {
+ "disabled",
+ "lr",
+ "rl",
+ NullS
+};
+
+static TYPELIB tokudb_empty_scan_typelib = {
+ array_elements(tokudb_empty_scan_names) - 1,
+ "tokudb_empty_scan_typelib",
+ tokudb_empty_scan_names,
+ NULL
+};
+
+static MYSQL_THDVAR_ENUM(
+ empty_scan,
+ PLUGIN_VAR_OPCMDARG,
+ "algorithm to check if the table is empty when opened",
+ NULL,
+ NULL,
+ TOKUDB_EMPTY_SCAN_RL,
+ &tokudb_empty_scan_typelib);
+
+static MYSQL_THDVAR_UINT(
+ fanout,
+ 0,
+ "fractal tree fanout",
+ NULL,
+ NULL,
+ 16,
+ 2,
+ 16*1024,
+ 1);
+
+static MYSQL_THDVAR_BOOL(
+ hide_default_row_format,
+ 0,
+ "hide the default row format",
+ NULL,
+ NULL,
+ true);
+
+static MYSQL_THDVAR_ULONGLONG(
+ killed_time,
+ 0,
+ "killed time",
+ NULL,
+ NULL,
+ DEFAULT_TOKUDB_KILLED_TIME,
+ 0,
+ ~0ULL,
+ 1);
+
+static MYSQL_THDVAR_STR(
+ last_lock_timeout,
+ PLUGIN_VAR_MEMALLOC,
+ "last lock timeout",
+ NULL,
+ NULL,
+ NULL);
+
+static MYSQL_THDVAR_BOOL(
+ load_save_space,
+ 0,
+ "compress intermediate bulk loader files to save space",
+ NULL,
+ NULL,
+ true);
+
+static MYSQL_THDVAR_ULONGLONG(
+ loader_memory_size,
+ 0,
+ "loader memory size",
+ NULL,
+ NULL,
+ 100*1000*1000,
+ 0,
+ ~0ULL,
+ 1);
+
+static MYSQL_THDVAR_ULONGLONG(
+ lock_timeout,
+ 0,
+ "lock timeout",
+ NULL,
+ NULL,
+ DEFAULT_TOKUDB_LOCK_TIMEOUT,
+ 0,
+ ~0ULL,
+ 1);
+
+static MYSQL_THDVAR_UINT(
+ lock_timeout_debug,
+ 0,
+ "lock timeout debug",
+ NULL,
+ NULL,
+ 1,
+ 0,
+ ~0U,
+ 1);
+
+static MYSQL_THDVAR_DOUBLE(
+ optimize_index_fraction,
+ 0,
+ "optimize index fraction (default 1.0 all)",
+ NULL,
+ NULL,
+ 1.0,
+ 0,
+ 1.0,
+ 1);
+
+static MYSQL_THDVAR_STR(
+ optimize_index_name,
+ PLUGIN_VAR_THDLOCAL + PLUGIN_VAR_MEMALLOC,
+ "optimize index name (default all indexes)",
+ NULL,
+ NULL,
+ NULL);
+
+static MYSQL_THDVAR_ULONGLONG(
+ optimize_throttle,
+ 0,
+ "optimize throttle (default no throttle)",
+ NULL,
+ NULL,
+ 0,
+ 0,
+ ~0ULL,
+ 1);
+
+static const char* deprecated_tokudb_pk_insert_mode =
+ "Using tokudb_pk_insert_mode is deprecated and the "
+ "parameter may be removed in future releases.";
+static const char* deprecated_tokudb_pk_insert_mode_zero =
+ "Using tokudb_pk_insert_mode=0 is deprecated and the "
+ "parameter may be removed in future releases. "
+ "Only tokudb_pk_insert_mode=1|2 is allowed."
+ "Resettig the value to 1.";
+
+static void pk_insert_mode_update(
+ THD* thd,
+ st_mysql_sys_var* var,
+ void* var_ptr,
+ const void* save) {
+ const uint* new_pk_insert_mode = static_cast<const uint*>(save);
+ uint* pk_insert_mode = static_cast<uint*>(var_ptr);
+ if (*new_pk_insert_mode == 0) {
+ push_warning(
+ thd,
+ Sql_condition::WARN_LEVEL_WARN,
+ HA_ERR_WRONG_COMMAND,
+ deprecated_tokudb_pk_insert_mode_zero);
+ *pk_insert_mode = 1;
+ } else {
+ push_warning(
+ thd,
+ Sql_condition::WARN_LEVEL_WARN,
+ HA_ERR_WRONG_COMMAND,
+ deprecated_tokudb_pk_insert_mode);
+ *pk_insert_mode = *new_pk_insert_mode;
+ }
+}
+
+static MYSQL_THDVAR_UINT(
+ pk_insert_mode,
+ 0,
+ "set the primary key insert mode",
+ NULL,
+ pk_insert_mode_update,
+ 1,
+ 0,
+ 2,
+ 1);
+
+static MYSQL_THDVAR_BOOL(
+ prelock_empty,
+ 0,
+ "prelock empty table",
+ NULL,
+ NULL,
+ true);
+
+static MYSQL_THDVAR_UINT(
+ read_block_size,
+ 0,
+ "fractal tree read block size",
+ NULL,
+ NULL,
+ 64*1024,
+ 4096,
+ ~0U,
+ 1);
+
+static MYSQL_THDVAR_UINT(
+ read_buf_size,
+ 0,
+ "range query read buffer size",
+ NULL,
+ NULL,
+ 128*1024,
+ 0,
+ 1*1024*1024,
+ 1);
+
+static const char *tokudb_row_format_names[] = {
+ "tokudb_uncompressed",
+ "tokudb_zlib",
+ "tokudb_snappy",
+ "tokudb_quicklz",
+ "tokudb_lzma",
+ "tokudb_fast",
+ "tokudb_small",
+ "tokudb_default",
+ NullS
+};
+
+static TYPELIB tokudb_row_format_typelib = {
+ array_elements(tokudb_row_format_names) - 1,
+ "tokudb_row_format_typelib",
+ tokudb_row_format_names,
+ NULL
+};
+
+static MYSQL_THDVAR_ENUM(
+ row_format,
+ PLUGIN_VAR_OPCMDARG,
+ "Specifies the compression method for a table created during this session. "
+ "Possible values are TOKUDB_UNCOMPRESSED, TOKUDB_ZLIB, TOKUDB_SNAPPY, "
+ "TOKUDB_QUICKLZ, TOKUDB_LZMA, TOKUDB_FAST, TOKUDB_SMALL and TOKUDB_DEFAULT",
+ NULL,
+ NULL,
+ SRV_ROW_FORMAT_ZLIB,
+ &tokudb_row_format_typelib);
+
+static MYSQL_THDVAR_BOOL(
+ rpl_check_readonly,
+ PLUGIN_VAR_THDLOCAL,
+ "check if the slave is read only",
+ NULL,
+ NULL,
+ true);
+
+static MYSQL_THDVAR_BOOL(
+ rpl_lookup_rows,
+ PLUGIN_VAR_THDLOCAL,
+ "lookup a row on rpl slave",
+ NULL,
+ NULL,
+ true);
+
+static MYSQL_THDVAR_ULONGLONG(
+ rpl_lookup_rows_delay,
+ PLUGIN_VAR_THDLOCAL,
+ "time in milliseconds to add to lookups on replication slave",
+ NULL,
+ NULL,
+ 0,
+ 0,
+ ~0ULL,
+ 1);
+
+static MYSQL_THDVAR_BOOL(
+ rpl_unique_checks,
+ PLUGIN_VAR_THDLOCAL,
+ "enable unique checks on replication slave",
+ NULL,
+ NULL,
+ true);
+
+static MYSQL_THDVAR_ULONGLONG(
+ rpl_unique_checks_delay,
+ PLUGIN_VAR_THDLOCAL,
+ "time in milliseconds to add to unique checks test on replication slave",
+ NULL,
+ NULL,
+ 0,
+ 0,
+ ~0ULL,
+ 1);
+
+#if TOKU_INCLUDE_UPSERT
+static MYSQL_THDVAR_BOOL(
+ disable_slow_update,
+ PLUGIN_VAR_THDLOCAL,
+ "disable slow update",
+ NULL,
+ NULL,
+ false);
+
+static MYSQL_THDVAR_BOOL(
+ disable_slow_upsert,
+ PLUGIN_VAR_THDLOCAL,
+ "disable slow upsert",
+ NULL,
+ NULL,
+ false);
+#endif
+
+#if TOKU_INCLUDE_XA
+static MYSQL_THDVAR_BOOL(
+ support_xa,
+ PLUGIN_VAR_OPCMDARG,
+ "Enable TokuDB support for the XA two-phase commit",
+ NULL,
+ NULL,
+ true);
+#endif
+
+
+
+//******************************************************************************
+// all system variables
+//******************************************************************************
+st_mysql_sys_var* system_variables[] = {
+ // global vars
+ MYSQL_SYSVAR(cache_size),
+ MYSQL_SYSVAR(checkpoint_on_flush_logs),
+ MYSQL_SYSVAR(cachetable_pool_threads),
+ MYSQL_SYSVAR(cardinality_scale_percent),
+ MYSQL_SYSVAR(checkpoint_pool_threads),
+ MYSQL_SYSVAR(checkpointing_period),
+ MYSQL_SYSVAR(cleaner_iterations),
+ MYSQL_SYSVAR(cleaner_period),
+ MYSQL_SYSVAR(client_pool_threads),
+ MYSQL_SYSVAR(compress_buffers_before_eviction),
+ MYSQL_SYSVAR(data_dir),
+ MYSQL_SYSVAR(debug),
+ MYSQL_SYSVAR(directio),
+ MYSQL_SYSVAR(enable_partial_eviction),
+ MYSQL_SYSVAR(fs_reserve_percent),
+ MYSQL_SYSVAR(fsync_log_period),
+ MYSQL_SYSVAR(log_dir),
+ MYSQL_SYSVAR(max_lock_memory),
+ MYSQL_SYSVAR(read_status_frequency),
+ MYSQL_SYSVAR(strip_frm_data),
+ MYSQL_SYSVAR(tmp_dir),
+ MYSQL_SYSVAR(version),
+ MYSQL_SYSVAR(write_status_frequency),
+
+#if TOKU_INCLUDE_HANDLERTON_HANDLE_FATAL_SIGNAL
+ MYSQL_SYSVAR(gdb_path),
+ MYSQL_SYSVAR(gdb_on_fatal),
+#endif
+
+#if TOKUDB_CHECK_JEMALLOC
+ MYSQL_SYSVAR(check_jemalloc),
+#endif
+
+ // session vars
+ MYSQL_SYSVAR(alter_print_error),
+ MYSQL_SYSVAR(analyze_delete_fraction),
+ MYSQL_SYSVAR(analyze_in_background),
+ MYSQL_SYSVAR(analyze_mode),
+ MYSQL_SYSVAR(analyze_throttle),
+ MYSQL_SYSVAR(analyze_time),
+ MYSQL_SYSVAR(auto_analyze),
+ MYSQL_SYSVAR(block_size),
+ MYSQL_SYSVAR(bulk_fetch),
+ MYSQL_SYSVAR(checkpoint_lock),
+ MYSQL_SYSVAR(commit_sync),
+ MYSQL_SYSVAR(create_index_online),
+ MYSQL_SYSVAR(disable_hot_alter),
+ MYSQL_SYSVAR(disable_prefetching),
+ MYSQL_SYSVAR(disable_slow_alter),
+ MYSQL_SYSVAR(empty_scan),
+ MYSQL_SYSVAR(fanout),
+ MYSQL_SYSVAR(hide_default_row_format),
+ MYSQL_SYSVAR(killed_time),
+ MYSQL_SYSVAR(last_lock_timeout),
+ MYSQL_SYSVAR(load_save_space),
+ MYSQL_SYSVAR(loader_memory_size),
+ MYSQL_SYSVAR(lock_timeout),
+ MYSQL_SYSVAR(lock_timeout_debug),
+ MYSQL_SYSVAR(optimize_index_fraction),
+ MYSQL_SYSVAR(optimize_index_name),
+ MYSQL_SYSVAR(optimize_throttle),
+ MYSQL_SYSVAR(pk_insert_mode),
+ MYSQL_SYSVAR(prelock_empty),
+ MYSQL_SYSVAR(read_block_size),
+ MYSQL_SYSVAR(read_buf_size),
+ MYSQL_SYSVAR(row_format),
+ MYSQL_SYSVAR(rpl_check_readonly),
+ MYSQL_SYSVAR(rpl_lookup_rows),
+ MYSQL_SYSVAR(rpl_lookup_rows_delay),
+ MYSQL_SYSVAR(rpl_unique_checks),
+ MYSQL_SYSVAR(rpl_unique_checks_delay),
+
+#if TOKU_INCLUDE_UPSERT
+ MYSQL_SYSVAR(disable_slow_update),
+ MYSQL_SYSVAR(disable_slow_upsert),
+#endif
+
+#if TOKU_INCLUDE_XA
+ MYSQL_SYSVAR(support_xa),
+#endif
+
+#if TOKUDB_DEBUG
+ MYSQL_SYSVAR(debug_pause_background_job_manager),
+#endif // TOKUDB_DEBUG
+
+ NULL
+};
+
+my_bool alter_print_error(THD* thd) {
+ return (THDVAR(thd, alter_print_error) != 0);
+}
+double analyze_delete_fraction(THD* thd) {
+ return THDVAR(thd, analyze_delete_fraction);
+}
+my_bool analyze_in_background(THD* thd) {
+ return (THDVAR(thd, analyze_in_background) != 0);
+}
+analyze_mode_t analyze_mode(THD* thd) {
+ return (analyze_mode_t ) THDVAR(thd, analyze_mode);
+}
+ulonglong analyze_throttle(THD* thd) {
+ return THDVAR(thd, analyze_throttle);
+}
+ulonglong analyze_time(THD* thd) {
+ return THDVAR(thd, analyze_time);
+}
+ulonglong auto_analyze(THD* thd) {
+ return THDVAR(thd, auto_analyze);
+}
+my_bool bulk_fetch(THD* thd) {
+ return (THDVAR(thd, bulk_fetch) != 0);
+}
+uint block_size(THD* thd) {
+ return THDVAR(thd, block_size);
+}
+my_bool commit_sync(THD* thd) {
+ return (THDVAR(thd, commit_sync) != 0);
+}
+my_bool create_index_online(THD* thd) {
+ return (THDVAR(thd, create_index_online) != 0);
+}
+my_bool disable_hot_alter(THD* thd) {
+ return (THDVAR(thd, disable_hot_alter) != 0);
+}
+my_bool disable_prefetching(THD* thd) {
+ return (THDVAR(thd, disable_prefetching) != 0);
+}
+my_bool disable_slow_alter(THD* thd) {
+ return (THDVAR(thd, disable_slow_alter) != 0);
+}
+#if TOKU_INCLUDE_UPSERT
+my_bool disable_slow_update(THD* thd) {
+ return (THDVAR(thd, disable_slow_update) != 0);
+}
+my_bool disable_slow_upsert(THD* thd) {
+ return (THDVAR(thd, disable_slow_upsert) != 0);
+}
+#endif
+empty_scan_mode_t empty_scan(THD* thd) {
+ return (empty_scan_mode_t)THDVAR(thd, empty_scan);
+}
+uint fanout(THD* thd) {
+ return THDVAR(thd, fanout);
+}
+my_bool hide_default_row_format(THD* thd) {
+ return (THDVAR(thd, hide_default_row_format) != 0);
+}
+ulonglong killed_time(THD* thd) {
+ return THDVAR(thd, killed_time);
+}
+char* last_lock_timeout(THD* thd) {
+ return THDVAR(thd, last_lock_timeout);
+}
+void set_last_lock_timeout(THD* thd, char* last) {
+ THDVAR(thd, last_lock_timeout) = last;
+}
+my_bool load_save_space(THD* thd) {
+ return (THDVAR(thd, load_save_space) != 0);
+}
+ulonglong loader_memory_size(THD* thd) {
+ return THDVAR(thd, loader_memory_size);
+}
+ulonglong lock_timeout(THD* thd) {
+ return THDVAR(thd, lock_timeout);
+}
+uint lock_timeout_debug(THD* thd) {
+ return THDVAR(thd, lock_timeout_debug);
+}
+double optimize_index_fraction(THD* thd) {
+ return THDVAR(thd, optimize_index_fraction);
+}
+const char* optimize_index_name(THD* thd) {
+ return THDVAR(thd, optimize_index_name);
+}
+ulonglong optimize_throttle(THD* thd) {
+ return THDVAR(thd, optimize_throttle);
+}
+uint pk_insert_mode(THD* thd) {
+ return THDVAR(thd, pk_insert_mode);
+}
+void set_pk_insert_mode(THD* thd, uint mode) {
+ THDVAR(thd, pk_insert_mode) = mode;
+}
+my_bool prelock_empty(THD* thd) {
+ return (THDVAR(thd, prelock_empty) != 0);
+}
+uint read_block_size(THD* thd) {
+ return THDVAR(thd, read_block_size);
+}
+uint read_buf_size(THD* thd) {
+ return THDVAR(thd, read_buf_size);
+}
+row_format_t row_format(THD *thd) {
+ return (row_format_t) THDVAR(thd, row_format);
+}
+my_bool rpl_check_readonly(THD* thd) {
+ return (THDVAR(thd, rpl_check_readonly) != 0);
+}
+my_bool rpl_lookup_rows(THD* thd) {
+ return (THDVAR(thd, rpl_lookup_rows) != 0);
+}
+ulonglong rpl_lookup_rows_delay(THD* thd) {
+ return THDVAR(thd, rpl_lookup_rows_delay);
+}
+my_bool rpl_unique_checks(THD* thd) {
+ return (THDVAR(thd, rpl_unique_checks) != 0);
+}
+ulonglong rpl_unique_checks_delay(THD* thd) {
+ return THDVAR(thd, rpl_unique_checks_delay);
+}
+my_bool support_xa(THD* thd) {
+ return (THDVAR(thd, support_xa) != 0);
+}
+
+#if TOKU_INCLUDE_OPTION_STRUCTS
+ha_create_table_option tokudb_table_options[] = {
+ HA_TOPTION_SYSVAR("compression", row_format, row_format),
+ HA_TOPTION_END
+};
+
+ha_create_table_option tokudb_index_options[] = {
+ HA_IOPTION_BOOL("clustering", clustering, 0),
+ HA_IOPTION_END
+};
+#endif
+
+} // namespace sysvars
+} // namespace tokudb
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