Merge trunk -> trunk-runtime.

mysql-test/include/have_federated_plugin.inc

+if (`select plugin_library IS NULL from information_schema.plugins where plugin_name LIKE '%federated%'`)
+{
+  --skip federated plugin not available
+}
+

mysql-test/r/loadxml.result

@@ -73,3 +73,23 @@ id	text
 line2
 line3
 drop table t1;
+#
+# Bug#51571 load xml infile causes server crash
+#
+CREATE TABLE t1 (a text, b text);
+LOAD XML INFILE '../../std_data/loadxml.dat' INTO TABLE t1
+ROWS IDENTIFIED BY '<row>' (a,@b) SET b=concat('!',@b);
+SELECT * FROM t1 ORDER BY a;
+a	b
+1	!b1
+11	!b11
+111	!b111
+112	!b112 & < > " ' &unknown; -- check entities
+2	!b2
+212	!b212
+213	!b213
+214	!b214
+215	!b215
+216	!&bb b;
+3	!b3
+DROP TABLE t1;

mysql-test/r/null.result

@@ -94,7 +94,7 @@ Warnings:
 Warning	1265	Data truncated for column 'd' at row 1
 UPDATE t1 SET d=1/NULL;
 Warnings:
-Warning	1265	Data truncated for column 'd' at row 1
+Warning	1048	Column 'd' cannot be null
 UPDATE t1 SET d=NULL;
 Warnings:
 Warning	1048	Column 'd' cannot be null

mysql-test/r/type_datetime.result

@@ -638,3 +638,22 @@ CAST(CAST('2008-07-29T10:42:51.1234567' AS DateTime) AS DECIMAL(30,7))
 Warnings:
 Warning	1292	Truncated incorrect datetime value: '2008-07-29T10:42:51.1234567'
 End of 5.1 tests
+#
+# Start of 5.5 tests
+#
+#
+# Bug#52849 datetime index not work
+#
+CREATE TABLE t1 (Id INT, AtTime DATETIME, KEY AtTime (AtTime));
+SET NAMES CP850;
+INSERT INTO t1 VALUES (1,'2010-04-12 22:30:12'), (2,'2010-04-12 22:30:12'), (3,'2010-04-12 22:30:12');
+EXPLAIN EXTENDED SELECT * FROM t1 FORCE INDEX(attime) WHERE AtTime = '2010-02-22 18:40:07';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ref	AtTime	AtTime	9	const	1	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`Id` AS `Id`,`test`.`t1`.`AtTime` AS `AtTime` from `test`.`t1` FORCE INDEX (`attime`) where (`test`.`t1`.`AtTime` = '2010-02-22 18:40:07')
+DROP TABLE t1;
+SET NAMES latin1;
+#
+# End of 5.5 tests
+#

mysql-test/r/user_var.result

@@ -429,3 +429,34 @@ INSERT INTO t1 VALUES (1);
 INSERT INTO t1 VALUES (1);
 DROP TABLE t1;
 End of 5.1 tests
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1(f1 INT AUTO_INCREMENT, PRIMARY KEY(f1));
+INSERT INTO t1 SET f1 = NULL ;
+SET @aux = NULL ;
+INSERT INTO t1 SET f1 = @aux ;
+SET @aux1 = 0.123E-1;
+SET @aux1 = NULL;
+INSERT INTO t1 SET f1 = @aux1 ;
+SELECT * FROM t1;
+f1
+1
+2
+3
+DROP TABLE t1;
+CREATE TABLE t1(f1 VARCHAR(257) , f2 INT, PRIMARY KEY(f2));
+CREATE TRIGGER trg1 BEFORE INSERT ON t1 FOR EACH ROW SET @aux = 1;
+SET @aux = 1;
+SET @aux = NULL;
+INSERT INTO test.t1 (f1, f2) VALUES (1, 1), (@aux, 2);
+SET @aux = 'text';
+SET @aux = NULL;
+INSERT INTO t1(f1, f2) VALUES (1, 3), (@aux, 4);
+SELECT f1, f2 FROM t1 ORDER BY f2;
+f1	f2
+1	1
+1	2
+1	3
+1	4
+DROP TRIGGER trg1;
+DROP TABLE t1;
+End of 5.5 tests

mysql-test/suite/federated/federated_plugin-master.opt

+--plugin_dir=../storage/federated/.libs
+

mysql-test/suite/federated/federated_plugin.test

+--source include/not_windows.inc
+--source include/have_federated_plugin.inc
+
+CREATE TABLE t1(a int) ENGINE=FEDERATED;
+DROP TABLE t1;
+
+INSTALL PLUGIN federated SONAME 'ha_federated.so';
+--error 1125
+INSTALL PLUGIN FEDERATED SONAME 'ha_federated.so';
+
+UNINSTALL PLUGIN federated;
+
+INSTALL PLUGIN federated SONAME 'ha_federated.so';
+
+CREATE TABLE t1(a int) ENGINE=FEDERATED;
+
+DROP TABLE t1;
+
+UNINSTALL PLUGIN federated;
+--error ER_SP_DOES_NOT_EXIST
+UNINSTALL PLUGIN federated;
+

mysql-test/t/loadxml.test

@@ -108,3 +108,11 @@ load xml infile '../../std_data/loadxml2.dat' into table t1;
 select * from t1;
 drop table t1;
 
+--echo #
+--echo # Bug#51571 load xml infile causes server crash
+--echo #
+CREATE TABLE t1 (a text, b text);
+LOAD XML INFILE '../../std_data/loadxml.dat' INTO TABLE t1
+ROWS IDENTIFIED BY '<row>' (a,@b) SET b=concat('!',@b);
+SELECT * FROM t1 ORDER BY a;
+DROP TABLE t1;

mysql-test/t/type_datetime.test

@@ -446,3 +446,21 @@ SELECT CAST(CAST('00000002006-000008-0000010 000010:0000011:00000012.012345'  AS
 SELECT CAST(CAST('2008-07-29T10:42:51.1234567' AS DateTime) AS DECIMAL(30,7));
 
 --echo End of 5.1 tests
+
+--echo #
+--echo # Start of 5.5 tests
+--echo #
+
+--echo #
+--echo # Bug#52849 datetime index not work
+--echo #
+CREATE TABLE t1 (Id INT, AtTime DATETIME, KEY AtTime (AtTime));
+SET NAMES CP850;
+INSERT INTO t1 VALUES (1,'2010-04-12 22:30:12'), (2,'2010-04-12 22:30:12'), (3,'2010-04-12 22:30:12');
+EXPLAIN EXTENDED SELECT * FROM t1 FORCE INDEX(attime) WHERE AtTime = '2010-02-22 18:40:07';
+DROP TABLE t1;
+SET NAMES latin1;
+
+--echo #
+--echo # End of 5.5 tests
+--echo #

mysql-test/t/user_var.test

@@ -327,3 +327,44 @@ INSERT INTO t1 VALUES (1);
 DROP TABLE t1;
 
 --echo End of 5.1 tests
+
+#
+# Bug#50511: Sometimes wrong handling of user variables containing NULL.
+#
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+--enable_warnings
+
+CREATE TABLE t1(f1 INT AUTO_INCREMENT, PRIMARY KEY(f1));
+
+INSERT INTO t1 SET f1 = NULL ;
+
+SET @aux = NULL ;
+INSERT INTO t1 SET f1 = @aux ;
+
+SET @aux1 = 0.123E-1;
+SET @aux1 = NULL;
+INSERT INTO t1 SET f1 = @aux1 ;
+
+SELECT * FROM t1;
+
+DROP TABLE t1;
+
+CREATE TABLE t1(f1 VARCHAR(257) , f2 INT, PRIMARY KEY(f2));
+CREATE TRIGGER trg1 BEFORE INSERT ON t1 FOR EACH ROW SET @aux = 1;
+
+SET @aux = 1; # INT
+SET @aux = NULL;
+INSERT INTO test.t1 (f1, f2) VALUES (1, 1), (@aux, 2);
+
+SET @aux = 'text'; # STRING
+SET @aux = NULL;
+INSERT INTO t1(f1, f2) VALUES (1, 3), (@aux, 4);
+
+SELECT f1, f2 FROM t1 ORDER BY f2;
+
+DROP TRIGGER trg1;
+DROP TABLE t1;
+
+--echo End of 5.5 tests

sql/item.cc

@@ -1796,6 +1796,24 @@ bool agg_item_set_converter(DTCollation &coll, const char *fname,
                                   &dummy_offset))
       continue;
 
+    /*
+      No needs to add converter if an "arg" is NUMERIC or DATETIME
+      value (which is pure ASCII) and at the same time target DTCollation
+      is ASCII-compatible. For example, no needs to rewrite:
+        SELECT * FROM t1 WHERE datetime_field = '2010-01-01';
+      to
+        SELECT * FROM t1 WHERE CONVERT(datetime_field USING cs) = '2010-01-01';
+      
+      TODO: avoid conversion of any values with
+      repertoire ASCII and 7bit-ASCII-compatible,
+      not only numeric/datetime origin.
+    */
+    if ((*arg)->collation.derivation == DERIVATION_NUMERIC &&
+        (*arg)->collation.repertoire == MY_REPERTOIRE_ASCII &&
+        !((*arg)->collation.collation->state & MY_CS_NONASCII) &&
+        !(coll.collation->state & MY_CS_NONASCII))
+      continue;
+
     if (!(conv= (*arg)->safe_charset_converter(coll.collation)) &&
         ((*arg)->collation.repertoire == MY_REPERTOIRE_ASCII))
       conv= new Item_func_conv_charset(*arg, coll.collation, 1);
@@ -5405,7 +5423,7 @@ int Item::save_in_field(Field *field, bool no_conversions)
   {
     double nr= val_real();
     if (null_value)
-      return set_field_to_null(field);
+      return set_field_to_null_with_conversions(field, no_conversions);
     field->set_notnull();
     error=field->store(nr);
   }

sql/item_func.h

@@ -1498,7 +1498,8 @@ class Item_user_var_as_out_param :public Item
   LEX_STRING name;
   user_var_entry *entry;
 public:
-  Item_user_var_as_out_param(LEX_STRING a) : name(a) {}
+  Item_user_var_as_out_param(LEX_STRING a) : name(a)
+  { set_name(a.str, 0, system_charset_info); }
   /* We should return something different from FIELD_ITEM here */
   enum Type type() const { return STRING_ITEM;}
   double val_real();

sql/sql_load.cc

@@ -702,7 +702,7 @@ static bool write_execute_load_query_log_event(THD *thd, sql_exchange* ex,
     {
       if (n++)
         pfields.append(", ");
-      if (item->name)
+      if (item->type() == Item::FIELD_ITEM)
       {
         pfields.append("`");
         pfields.append(item->name);

storage/federated/Makefile.am

-# Copyright (C) 2006 MySQL AB
-#
+# Copyright (C) 2005-2006 MySQL AB, 2009 Sun Microsystems, Inc.
+# All rights reserved.
 # 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; version 2 of the License.
@@ -24,6 +24,7 @@ INCLUDES =              -I$(top_srcdir)/include -I$(top_builddir)/include \
 			-I$(top_srcdir)/regex \
 			-I$(top_srcdir)/sql \
 			-I$(srcdir)
+
 WRAPLIBS=
 
 LDADD =
@@ -50,11 +51,22 @@ libfederated_a_SOURCES=	ha_federated.cc
 EXTRA_DIST =		CMakeLists.txt plug.in
 
 if HAVE_DTRACE_DASH_G
+# The object for static and dynamic linking of federated differ
+# For static linkage of federated to mysqld
+
 libfederated_a_LIBADD = probes_mysql.o
 libfederated_a_DEPENDENCIES = probes_mysql.o dtrace_files dtrace_providers
-CLEANFILES = probes_mysql.o dtrace_files dtrace_providers
-DTRACEFILES = libfederated_a-ha_federated.o
+# For federated as shared library
+ha_federated_la_LIBADD =	probes_sh_mysql.o
+# Hack: We "depend" on ".libs/" but have no rule for it,
+# but it is created as a byproduct of the ".lo"
+DTRACESHAREDDEPS = ha_federated_la-ha_federated.lo
+DTRACESHAREDFILES = ha_federated_la-ha_federated.o
 DTRACEPROVIDER = probes_mysql.d
+ha_federated_la_DEPENDENCIES = probes_sh_mysql.o $(DTRACESHAREDDEPS) dtrace_providers
+
+CLEANFILES = $(DTRACEPROVIDER) dtrace_files dtrace_providers $(DTRACESHAREDFILES)
+DTRACEFILES = libfederated_a-ha_federated.o
 
 dtrace_files:
 	echo $(DTRACEFILES) > $@
@@ -65,8 +77,12 @@ probes_mysql.d:
 	$(CP) $(top_srcdir)/include/probes_mysql.d.base probes_mysql.d
 	echo timestamp > dtrace_sources
 
+probes_sh_mysql.o: $(DTRACEPROVIDER) $(DTRACESHAREDDEPS)
+	$(DTRACE) $(DTRACEFLAGS) -G -s $(DTRACEPROVIDER) $(DTRACESHAREDFILES) -o $@
+	$(CP) $(DTRACESHAREDFILES) .libs
 probes_mysql.o: $(DTRACEPROVIDER) $(DTRACEFILES)
 	$(DTRACE) $(DTRACEFLAGS) -G -s $(DTRACEPROVIDER) $(DTRACEFILES) -o $@
+
 endif
 
 # Don't update the files from bitkeeper