Merge 4.1 into 5.0 (first pass).

BitKeeper/etc/ignore: auto-union BitKeeper/etc/logging_ok: auto-union BitKeeper/deleted/.del-cron-build: Delete: netware/BUILD/cron-build BitKeeper/deleted/.del-crontab: Delete: netware/BUILD/crontab BitKeeper/triggers/post-commit: Auto merged client/mysql.cc: Auto merged client/mysqltest.c: Auto merged configure.in: Auto merged include/my_global.h: Auto merged include/my_pthread.h: Auto merged include/mysql_com.h: Auto merged libmysqld/Makefile.am: Auto merged myisam/mi_check.c: Auto merged myisam/myisamchk.c: Auto merged myisam/myisamdef.h: Auto merged myisam/sort.c: Auto merged mysql-test/r/connect.result: Auto merged mysql-test/r/rpl_temporary.result: Auto merged mysql-test/r/show_check.result: Auto merged mysql-test/r/variables.result: Auto merged mysql-test/t/subselect.test: Auto merged mysql-test/t/variables.test: Auto merged netware/BUILD/compile-AUTOTOOLS: Auto merged netware/BUILD/compile-linux-tools: Auto merged netware/BUILD/compile-netware-END: Auto merged netware/BUILD/compile-netware-START: Auto merged netware/BUILD/compile-netware-all: Auto merged netware/BUILD/compile-netware-debug: Auto merged netware/BUILD/compile-netware-standard: Auto merged netware/BUILD/mwasmnlm: Auto merged netware/BUILD/mwccnlm: Auto merged netware/BUILD/mwldnlm: Auto merged netware/BUILD/nwbootstrap: Auto merged sql/filesort.cc: Auto merged sql/ha_myisam.cc: Auto merged sql/item.h: Auto merged sql/item_create.cc: Auto merged sql/item_func.h: Auto merged sql/log.cc: Auto merged sql/log_event.cc: Auto merged sql/protocol.cc: Auto merged sql/records.cc: Auto merged sql/repl_failsafe.cc: Auto merged sql/set_var.cc: Auto merged sql/slave.cc: Auto merged sql/sql_acl.cc: Auto merged sql/sql_base.cc: Auto merged sql/sql_class.cc: Auto merged sql/sql_class.h: Auto merged sql/sql_db.cc: Auto merged sql/sql_delete.cc: Auto merged sql/sql_derived.cc: Auto merged sql/sql_error.cc: Auto merged sql/sql_load.cc: Auto merged sql/sql_prepare.cc: Auto merged sql/sql_repl.cc: Auto merged sql/sql_select.cc: Auto merged sql/sql_show.cc: Auto merged sql/sql_table.cc: Auto merged sql/sql_union.cc: Auto merged
2025-12-24 11:21:21 +03:00 · 2003-07-08 17:50:23 +02:00
parent c11b418db6 a6b9cbd65c
commit d6b336359a
119 changed files with 6324 additions and 929 deletions
--- a/sql/sql_class.cc
+++ b/sql/sql_class.cc
@@ -36,6 +36,9 @@
 #endif
 #include <mysys_err.h>

+#include <sp_rcontext.h>
+#include <sp_cache.h>
+
 /*
  The following is used to initialise Table_ident with a internal
  table name
@@ -86,12 +89,14 @@ extern "C" void free_user_var(user_var_entry *entry)
 THD::THD():user_time(0), is_fatal_error(0),
 	   last_insert_id_used(0),
 	   insert_id_used(0), rand_used(0), in_lock_tables(0),
-	   global_read_lock(0), bootstrap(0)
+	   global_read_lock(0), bootstrap(0), spcont(NULL)
 {
+  lex= &main_lex;
  host=user=priv_user=db=query=ip=0;
  host_or_ip= "connecting host";
-  locked=killed=count_cuted_fields=some_tables_deleted=no_errors=password=
+  locked=count_cuted_fields=some_tables_deleted=no_errors=password=
    query_start_used=prepare_command=0;
+  killed= NOT_KILLED;
  db_length=query_length=col_access=0;
  query_error= tmp_table_used= 0;
  next_insert_id=last_insert_id=0;
@@ -148,9 +153,12 @@ THD::THD():user_time(0), is_fatal_error(0),
  bzero((char*) &warn_root,sizeof(warn_root));
  init_alloc_root(&warn_root, 1024, 0);
  user_connect=(USER_CONN *)0;
-  hash_init(&user_vars, &my_charset_bin, USER_VARS_HASH_SIZE, 0, 0,
+  hash_init(&user_vars, system_charset_info, USER_VARS_HASH_SIZE, 0, 0,
 	    (hash_get_key) get_var_key,
-	    (hash_free_key) free_user_var,0);
+	    (hash_free_key) free_user_var, 0);
+
+  sp_proc_cache= new sp_cache();
+  sp_func_cache= new sp_cache();

  /* For user vars replication*/
  if (opt_bin_log)
@@ -181,7 +189,7 @@ THD::THD():user_time(0), is_fatal_error(0),
    if (open_cached_file(&transaction.trans_log,
 			 mysql_tmpdir, LOG_PREFIX, binlog_cache_size,
 			 MYF(MY_WME)))
-      killed=1;
+      killed= KILL_CONNECTION;
    transaction.trans_log.end_of_file= max_binlog_cache_size;
  }
 #endif
@@ -251,9 +259,11 @@ void THD::change_user(void)
  cleanup();
  cleanup_done= 0;
  init();
-  hash_init(&user_vars, &my_charset_bin, USER_VARS_HASH_SIZE, 0, 0,
+  hash_init(&user_vars, system_charset_info, USER_VARS_HASH_SIZE, 0, 0,
 	    (hash_get_key) get_var_key,
 	    (hash_free_key) free_user_var, 0);
+  sp_proc_cache->init();
+  sp_func_cache->init();
 }


@@ -277,6 +287,8 @@ void THD::cleanup(void)
  close_temporary_tables(this);
  delete_dynamic(&user_var_events);
  hash_free(&user_vars);
+  sp_proc_cache->cleanup();
+  sp_func_cache->cleanup();
  if (global_read_lock)
    unlock_global_read_lock(this);
  if (ull)
@@ -286,6 +298,7 @@ void THD::cleanup(void)
    pthread_mutex_unlock(&LOCK_user_locks);
    ull= 0;
  }
+
  cleanup_done=1;
  DBUG_VOID_RETURN;
 }
@@ -317,6 +330,9 @@ THD::~THD()
  }
 #endif

+  delete sp_proc_cache;
+  delete sp_func_cache;
+
  DBUG_PRINT("info", ("freeing host"));
  if (host != localhost)			// If not pointer to constant
    safeFree(host);
@@ -337,14 +353,14 @@ THD::~THD()
 }


-void THD::awake(bool prepare_to_die)
+void THD::awake(THD::killed_state state_to_set)
 {
  THD_CHECK_SENTRY(this);
  safe_mutex_assert_owner(&LOCK_delete); 

-  if (prepare_to_die)
-    killed = 1;
-  thr_alarm_kill(real_id);
+  killed= state_to_set;
+  if (state_to_set != THD::KILL_QUERY)
+    thr_alarm_kill(real_id);
 #ifdef SIGNAL_WITH_VIO_CLOSE
  close_active_vio();
 #endif    
@@ -461,7 +477,7 @@ CHANGED_TABLE_LIST* THD::changed_table_dup(const char *key, long key_length)
  {
    my_error(EE_OUTOFMEMORY, MYF(ME_BELL),
 	     ALIGN_SIZE(sizeof(TABLE_LIST)) + key_length + 1);
-    killed= 1;
+    killed= KILL_CONNECTION;
    return 0;
  }

@@ -1007,9 +1023,12 @@ bool select_exists_subselect::send_data(List<Item> &items)
 int select_dumpvar::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
 {
  List_iterator_fast<Item> li(list);
-  List_iterator_fast<LEX_STRING> gl(var_list);
+  List_iterator_fast<my_var> gl(var_list);
  Item *item;
+  my_var *mv;
  LEX_STRING *ls;
+
+  row_count= 0;
  if (var_list.elements != list.elements)
  {
    my_error(ER_WRONG_NUMBER_OF_COLUMNS_IN_SELECT, MYF(0));
@@ -1018,19 +1037,39 @@ int select_dumpvar::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
  unit=u;
  while ((item=li++))
  {
-    ls= gl++;
-    Item_func_set_user_var *xx = new Item_func_set_user_var(*ls,item);
-    xx->fix_fields(thd,(TABLE_LIST*) thd->lex.select_lex.table_list.first,&item);
-    xx->fix_length_and_dec();
-    vars.push_back(xx);
+    mv=gl++;
+    ls= &mv->s;
+    if (mv->local)
+    {
+      (void)local_vars.push_back(new Item_splocal(mv->offset));
+    }
+    else
+    {
+      Item_func_set_user_var *xx = new Item_func_set_user_var(*ls,item);
+      xx->fix_fields(thd,(TABLE_LIST*) thd->lex->select_lex.table_list.first,&item);
+      xx->fix_length_and_dec();
+      vars.push_back(xx);
+    }
  }
  return 0;
 }
+
 bool select_dumpvar::send_data(List<Item> &items)
 {
  List_iterator_fast<Item_func_set_user_var> li(vars);
+  List_iterator_fast<Item_splocal> var_li(local_vars);
+  List_iterator_fast<my_var> my_li(var_list);
+  List_iterator_fast<Item> it(items);
  Item_func_set_user_var *xx;
+  Item_splocal *yy;
+  Item *item;
+  my_var *zz;
  DBUG_ENTER("send_data");
+  if (unit->offset_limit_cnt)
+  {						// using limit offset,count
+    unit->offset_limit_cnt--;
+    DBUG_RETURN(0);
+  }

  if (unit->offset_limit_cnt)
  {				          // Using limit offset,count
@@ -1042,8 +1081,21 @@ bool select_dumpvar::send_data(List<Item> &items)
    my_error(ER_TOO_MANY_ROWS, MYF(0));
    DBUG_RETURN(1);
  }
-  while ((xx=li++))
-    xx->update();
+  while ((zz=my_li++) && (item=it++))
+  {
+    if (zz->local)
+    {
+      if ((yy=var_li++)) 
+      {
+	thd->spcont->set_item(yy->get_offset(), item);
+      }
+    }
+    else
+    {
+      if ((xx=li++))
+	xx->update();
+    }
+  }
  DBUG_RETURN(0);
 }