Merge with 4.0.3

Some simple optimzations, more comments and indentation changes.
Add ` around database in 'use database' in binary log.
Moved max_error_count and max_warning_count to variables struct.
Removed SHOW_WARNS_COUNT and SHOW_ERRORS_COUNT calls.
Changed string functions to use character set of first string argument as default return characterset
(Each string function can change the above assumption if needed)


BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
BUILD/SETUP.sh:
  Auto merged
BitKeeper/deleted/.del-getopt.h~a9ae679fa84f395:
  Auto merged
BitKeeper/deleted/.del-getvar.c~2a29ff383970fd31:
  Auto merged
Docs/manual.texi:
  Auto merged
SSL/cacert.pem:
  Auto merged
SSL/client-cert.pem:
  Auto merged
SSL/client-key.pem:
  Auto merged
SSL/server-cert.pem:
  Auto merged
SSL/server-key.pem:
  Auto merged
client/mysqldump.c:
  Auto merged
include/my_base.h:
  Auto merged
include/my_sys.h:
  Auto merged
include/mysql_com.h:
  Auto merged
isam/isamlog.c:
  Auto merged
isam/pack_isam.c:
  Auto merged
libmysqld/lib_sql.cc:
  Auto merged
myisam/ft_dump.c:
  Auto merged
myisam/ft_parser.c:
  Auto merged
myisam/ft_static.c:
  Auto merged
myisam/ft_test1.c:
  Auto merged
myisam/ft_update.c:
  Auto merged
myisam/mi_create.c:
  Auto merged
myisam/mi_key.c:
  Auto merged
myisam/mi_open.c:
  Auto merged
myisam/mi_static.c:
  Auto merged
myisam/mi_test1.c:
  Auto merged
myisam/mi_test2.c:
  Auto merged
myisam/mi_test3.c:
  Auto merged
myisam/mi_update.c:
  Auto merged
myisam/mi_write.c:
  Auto merged
myisam/myisamchk.c:
  Auto merged
myisam/myisamdef.h:
  Auto merged
myisam/myisamlog.c:
  Auto merged
myisam/myisampack.c:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
mysql-test/r/create.result:
  Auto merged
mysql-test/r/fulltext.result:
  Auto merged
mysql-test/r/func_math.result:
  Auto merged
mysql-test/r/innodb.result:
  Auto merged
mysql-test/r/merge.result:
  Auto merged
mysql-test/r/myisam.result:
  Auto merged
mysql-test/r/select.result:
  Auto merged
mysql-test/r/select_found.result:
  Auto merged
mysql-test/r/union.result:
  Auto merged
mysql-test/t/create.test:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged
mysql-test/t/select_found.test:
  Auto merged
mysql-test/t/union.test:
  Auto merged
mysys/default.c:
  Auto merged
mysys/mf_iocache2.c:
  Auto merged
mysys/my_error.c:
  Auto merged
mysys/my_init.c:
  Auto merged
scripts/mysql_config.sh:
  Auto merged
sql/convert.cc:
  Auto merged
sql/filesort.cc:
  Auto merged
sql/gen_lex_hash.cc:
  Auto merged
sql/ha_berkeley.cc:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
sql/handler.cc:
  Auto merged
sql/handler.h:
  Auto merged
sql/hostname.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/item_sum.cc:
  Auto merged
sql/item_sum.h:
  Auto merged
sql/item_timefunc.cc:
  Auto merged
sql/item_timefunc.h:
  Auto merged
sql/key.cc:
  Auto merged
sql/log.cc:
  Auto merged
sql/net_pkg.cc:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/opt_range.h:
  Auto merged
sql/opt_sum.cc:
  Auto merged
sql/repl_failsafe.cc:
  Auto merged
sql/slave.cc:
  Auto merged
sql/sql_cache.cc:
  Auto merged
sql/sql_db.cc:
  Auto merged
sql/sql_handler.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_load.cc:
  Auto merged
sql/sql_string.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_test.cc:
  Auto merged
sql/time.cc:
  Auto merged
sql/unireg.cc:
  Auto merged
strings/Makefile.am:
  Auto merged
strings/ctype-latin1_de.c:
  Auto merged
strings/ctype-tis620.c:
  Auto merged
tools/mysqlmanager.c:
  Auto merged
BitKeeper/deleted/.del-sslopt-case.h~224c80e75dad4997:
  merge with 4.0.3
BitKeeper/triggers/post-commit:
  merge with 4.0.3
client/mysql.cc:
  merge with 4.0.3 + simple optimsation
client/mysqltest.c:
  merge with 4.0.3 (Indentation change)
configure.in:
  merge with 4.0.3
extra/resolve_stack_dump.c:
  merge with 4.0.3 (Indentation change)
include/Makefile.am:
  merge with 4.0.3
include/myisam.h:
  merge with 4.0.3 (Indentation change)
include/mysql.h:
  merge with 4.0.3 (removed not used structure)
include/mysqld_error.h:
  merge with 4.0.3
libmysql/Makefile.shared:
  merge with 4.0.3
libmysql/libmysql.c:
  merge with 4.0.3 (Indentation change)
libmysqld/Makefile.am:
  merge with 4.0.3
myisam/ft_boolean_search.c:
  merge with 4.0.3 (Indentation change)
myisam/ft_nlq_search.c:
  merge with 4.0.3 (Indentation change)
myisam/mi_check.c:
  merge with 4.0.3
myisam/mi_search.c:
  merge with 4.0.3
myisam/mi_unique.c:
  merge with 4.0.3
mysys/Makefile.am:
  merge with 4.0.3
mysys/mf_casecnv.c:
  merge with 4.0.3
sql-bench/server-cfg.sh:
  Removed 8000 max row limit for Innodb
sql/Makefile.am:
  merge with 4.0.3
sql/field.cc:
  Indentation cleanup
  Changed sprintf -> my_sprintf
sql/field.h:
  merge with 4.0.3
sql/ha_heap.cc:
  merge with 4.0.3 (Indentation change)
sql/item.h:
  merge with 4.0.3 (Indentation change)
sql/item_cmpfunc.cc:
  merge with 4.0.3
sql/item_cmpfunc.h:
  Removed size_of() from items
  Indentation cleanup
sql/item_create.cc:
  merge
sql/item_create.h:
  merge
sql/item_func.cc:
  Added comments
  Changed string functions to use character set of first string argument as default return characterset
  Simple optimizations.
  Removed return of uninitalized variable.
sql/item_func.h:
  merge
sql/item_strfunc.cc:
  merge with 4.0.3 (Indentation change)
sql/item_strfunc.h:
  removed size_of()
sql/item_uniq.h:
  removed size_of()
sql/lex.h:
  merge with 4.0.3 (Indentation change)
sql/log_event.cc:
  Add ` around database in 'use database' in binary log.
sql/mysql_priv.h:
  merge with 4.0.3
sql/mysqld.cc:
  merge with 4.0.3 (Indentation change)
sql/share/czech/errmsg.txt:
  merge
sql/share/danish/errmsg.txt:
  merge
sql/share/dutch/errmsg.txt:
  merge
sql/share/english/errmsg.txt:
  merge
sql/share/estonian/errmsg.txt:
  merge
sql/share/french/errmsg.txt:
  merge
sql/share/german/errmsg.txt:
  merge
sql/share/greek/errmsg.txt:
  merge
sql/share/hungarian/errmsg.txt:
  merge
sql/share/italian/errmsg.txt:
  merge
sql/share/japanese/errmsg.txt:
  merge
sql/share/korean/errmsg.txt:
  merge
sql/share/norwegian-ny/errmsg.txt:
  merge
sql/share/norwegian/errmsg.txt:
  merge
sql/share/polish/errmsg.txt:
  merge
sql/share/portuguese/errmsg.txt:
  merge
sql/share/romanian/errmsg.txt:
  merge
sql/share/russian/errmsg.txt:
  merge
sql/share/slovak/errmsg.txt:
  merge
sql/share/spanish/errmsg.txt:
  merge
sql/share/swedish/errmsg.txt:
  merge
sql/share/ukrainian/errmsg.txt:
  merge
sql/sql_acl.cc:
  merge with 4.0.3
sql/sql_base.cc:
  More comments
  Fixed bug in send_fields() when using convert
sql/sql_class.cc:
  merge
sql/sql_class.h:
  Merge with 4.0.3
  Moved max_error_count and max_warning_count to variables struct.
sql/sql_delete.cc:
  merge with 4.0.3 (Indentation change)
sql/sql_lex.h:
  merge with 4.0.3
sql/sql_parse.cc:
  Removed SHOW_WARNS_COUNT and SHOW_ERRORS_COUNT.
  (Should be retrived from variables)
sql/sql_select.cc:
  merge with 4.0.3
sql/sql_show.cc:
  merge with 4.0.3
sql/sql_union.cc:
  merge with 4.0.3
sql/sql_update.cc:
  merge with 4.0.3
sql/sql_yacc.yy:
  merge with 4.0.3
  Indentation cleanup
sql/structs.h:
  merge with 4.0.3
sql/table.cc:
  merge with 4.0.3
sql/table.h:
  merge with 4.0.3

1 files changed, 126 insertions, 0 deletions

diff --git a/sql/sql_derived.cc b/sql/sql_derived.cc
new file mode 100644
index 00000000000..fb40a85fd91
--- /dev/null
+++ b/sql/sql_derived.cc
@@ -0,0 +1,126 @@
+/* Copyright (C) 2000 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+
+/*
+  Derived tables
+  These were introduced by Monty and Sinisa <sinisa@mysql.com>
+*/
+
+
+#include "mysql_priv.h"
+#include "sql_select.h"
+#include "sql_acl.h"
+
+static const char *any_db="*any*";	// Special symbol for check_access
+
+
+int mysql_derived(THD *thd, LEX *lex, SELECT_LEX_UNIT *unit, TABLE_LIST *t)
+{
+  /*
+    TODO: make derived tables with union inside (now only 1 SELECT may be
+    procesed)
+  */
+  SELECT_LEX *sl= unit->first_select();
+  List<Item> item_list;
+  TABLE *table;
+  int res;
+  select_union *derived_result;
+  TABLE_LIST *tables= (TABLE_LIST *)sl->table_list.first;
+  TMP_TABLE_PARAM tmp_table_param;
+  DBUG_ENTER("mysql_derived");
+  
+  if (tables)
+    res= check_table_access(thd,SELECT_ACL, tables);
+  else
+    res= check_access(thd, SELECT_ACL, any_db);
+  if (res)
+    DBUG_RETURN(-1);
+
+  for (TABLE_LIST *cursor= (TABLE_LIST *)tables;
+       cursor;
+       cursor=cursor->next)
+  {
+    if (cursor->derived)
+    {
+      res=mysql_derived(thd, lex, (SELECT_LEX_UNIT *)cursor->derived, cursor);
+      if (res) DBUG_RETURN(res);
+    }
+  }
+  Item *item;
+  List_iterator<Item> it(sl->item_list);
+
+  while ((item= it++))
+    item_list.push_back(item);
+    
+  if (!(res=open_and_lock_tables(thd,tables)))
+  {
+    if (tables && setup_fields(thd,tables,item_list,0,0,1))
+    {
+      res=-1;
+      goto exit;
+    }
+    bzero((char*) &tmp_table_param,sizeof(tmp_table_param));
+    tmp_table_param.field_count=item_list.elements;
+    if (!(table=create_tmp_table(thd, &tmp_table_param, item_list,
+			         (ORDER*) 0, 0, 1, 0,
+			         (sl->options | thd->options |
+				  TMP_TABLE_ALL_COLUMNS),
+                                 unit)))
+    {
+      res=-1;
+      goto exit;
+    }
+  
+    if ((derived_result=new select_union(table)))
+    {
+      unit->offset_limit_cnt= sl->offset_limit;
+      unit->select_limit_cnt= sl->select_limit+sl->offset_limit;
+      if (unit->select_limit_cnt < sl->select_limit)
+	unit->select_limit_cnt= HA_POS_ERROR;
+      if (unit->select_limit_cnt == HA_POS_ERROR)
+	sl->options&= ~OPTION_FOUND_ROWS;
+    
+      res=mysql_select(thd, tables,  sl->item_list,
+		       sl->where, (ORDER *) sl->order_list.first,
+		       (ORDER*) sl->group_list.first,
+		       sl->having, (ORDER*) NULL,
+		       sl->options | thd->options | SELECT_NO_UNLOCK,
+		       derived_result, unit);
+      if (!res)
+      {
+// Here we entirely fix both TABLE_LIST and list of SELECT's as there were no derived tables
+	if (derived_result->flush())
+	  res=1;
+	else
+	{
+	  t->real_name=table->real_name;
+	  t->table=table;
+	  sl->exclude();
+	  t->derived=(SELECT_LEX *)0; // just in case ...
+	}
+      }
+      delete derived_result;
+    }
+    if (res)
+      free_tmp_table(thd,table);
+exit:
+    close_thread_tables(thd);
+    if (res > 0)
+      send_error(&thd->net, ER_UNKNOWN_COM_ERROR); // temporary only ...
+  }
+  DBUG_RETURN(res);
+}