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-rw-r--r--Docs/manual.texi8
-rw-r--r--libmysql/libmysql.c4
-rw-r--r--mysql-test/r/join_outer.result2
-rw-r--r--mysql-test/r/null.result7
-rw-r--r--mysql-test/t/join_outer.test10
-rw-r--r--mysql-test/t/null.test15
-rw-r--r--sql/mysqld.cc10
-rw-r--r--sql/sql_select.cc9
8 files changed, 58 insertions, 7 deletions
diff --git a/Docs/manual.texi b/Docs/manual.texi
index e69d08148ee..eafca54b6e1 100644
--- a/Docs/manual.texi
+++ b/Docs/manual.texi
@@ -46845,6 +46845,14 @@ not yet 100% confident in this code.
@appendixsubsec Changes in release 3.23.44
@itemize @bullet
@item
+Don't use @code{signal()} on windows because this appears to not be
+100 % reliable.
+@item
+Fixed bug when doing @code{WHERE column_name=NULL} on an indexed column
+that had @code{NULL} values.
+@item
+Fixed bug when doing @code{LEFT JOIN ... ON (column_name = constant) WHERE column_name = constant}.
+@item
When using replications, aborted queries that contained @code{%} could cause
a core dum.
@item
diff --git a/libmysql/libmysql.c b/libmysql/libmysql.c
index 0e202a4fc08..be0c01df000 100644
--- a/libmysql/libmysql.c
+++ b/libmysql/libmysql.c
@@ -1002,7 +1002,7 @@ mysql_init(MYSQL *mysql)
else
bzero((char*) (mysql),sizeof(*(mysql)));
mysql->options.connect_timeout=CONNECT_TIMEOUT;
-#if defined(SIGPIPE) && defined(THREAD)
+#if defined(SIGPIPE) && defined(THREAD) && !defined(__WIN__)
if (!((mysql)->client_flag & CLIENT_IGNORE_SIGPIPE))
(void) signal(SIGPIPE,pipe_sig_handler);
#endif
@@ -1043,7 +1043,7 @@ static void mysql_once_init()
mysql_unix_port = env;
}
mysql_debug(NullS);
-#if defined(SIGPIPE) && !defined(THREAD)
+#if defined(SIGPIPE) && !defined(THREAD) && !defined(__WIN__)
(void) signal(SIGPIPE,SIG_IGN);
#endif
}
diff --git a/mysql-test/r/join_outer.result b/mysql-test/r/join_outer.result
index 65b4c2ec73a..38f2f44f6ce 100644
--- a/mysql-test/r/join_outer.result
+++ b/mysql-test/r/join_outer.result
@@ -318,3 +318,5 @@ t1 ALL NULL NULL NULL NULL 2
t2 index id id 8 NULL 1 where used; Using index; Not exists
id name id idx
2 no NULL NULL
+bug_id reporter bug_id who
+1 1 1 2
diff --git a/mysql-test/r/null.result b/mysql-test/r/null.result
index 6109456b8c0..9f0bdb07973 100644
--- a/mysql-test/r/null.result
+++ b/mysql-test/r/null.result
@@ -23,3 +23,10 @@ NULL 0
inet_ntoa(null) inet_aton(null) inet_aton("122.256") inet_aton("122.226.") inet_aton("")
NULL NULL NULL NULL NULL
x
+indexed_field
+indexed_field
+NULL
+NULL
+indexed_field
+NULL
+NULL
diff --git a/mysql-test/t/join_outer.test b/mysql-test/t/join_outer.test
index a6da5fd577c..774f35ae38e 100644
--- a/mysql-test/t/join_outer.test
+++ b/mysql-test/t/join_outer.test
@@ -394,3 +394,13 @@ INSERT INTO t2 VALUES (1,1);
explain SELECT * from t1 left join t2 on t1.id=t2.id where t2.id IS NULL;
SELECT * from t1 left join t2 on t1.id=t2.id where t2.id IS NULL;
drop table t1,t2;
+
+#
+# Test problem with using key_column= constant in ON and WHERE
+#
+create table t1 (bug_id mediumint, reporter mediumint);
+create table t2 (bug_id mediumint, who mediumint, index(who));
+insert into t2 values (1,1),(1,2);
+insert into t1 values (1,1),(2,1);
+SELECT * FROM t1 LEFT JOIN t2 ON (t1.bug_id = t2.bug_id AND t2.who = 2) WHERE (t1.reporter = 2 OR t2.who = 2);
+drop table t1,t2;
diff --git a/mysql-test/t/null.test b/mysql-test/t/null.test
index f1fe2cf2c9f..a010ab38e07 100644
--- a/mysql-test/t/null.test
+++ b/mysql-test/t/null.test
@@ -20,3 +20,18 @@ create table t1 (x int);
insert into t1 values (null);
select * from t1 where x != 0;
drop table t1;
+
+#
+# Test problem med index on NULL columns and testing with =NULL;
+#
+
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (
+ indexed_field int default NULL,
+ KEY indexed_field (indexed_field)
+);
+INSERT INTO t1 VALUES (NULL),(NULL);
+SELECT * FROM t1 WHERE indexed_field=NULL;
+SELECT * FROM t1 WHERE indexed_field IS NULL;
+SELECT * FROM t1 WHERE indexed_field<=>NULL;
+DROP TABLE t1;
diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index 2207fe81e94..abcfbd0d457 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -2901,13 +2901,21 @@ struct show_var_st init_vars[]= {
{"have_openssl", (char*) &have_ssl, SHOW_HAVE},
{"init_file", (char*) &opt_init_file, SHOW_CHAR_PTR},
#ifdef HAVE_INNOBASE_DB
+ {"innodb_additional_mem_pool_size", (char*) &innobase_additional_mem_pool_size, SHOW_LONG },
+ {"innodb_buffer_pool_size", (char*) &innobase_buffer_pool_size, SHOW_LONG },
{"innodb_data_file_path", (char*) &innobase_data_file_path, SHOW_CHAR_PTR},
{"innodb_data_home_dir", (char*) &innobase_data_home_dir, SHOW_CHAR_PTR},
+ {"innodb_file_io_threads", (char*) &innobase_file_io_threads, SHOW_LONG },
{"innodb_flush_log_at_trx_commit", (char*) &innobase_flush_log_at_trx_commit, SHOW_MY_BOOL},
+ {"innodb_flush_method", (char*) &innobase_unix_file_flush_method, SHOW_CHAR_PTR},
+ {"innodb_lock_wait_timeout", (char*) &innobase_lock_wait_timeout, SHOW_LONG },
{"innodb_log_arch_dir", (char*) &innobase_log_arch_dir, SHOW_CHAR_PTR},
{"innodb_log_archive", (char*) &innobase_log_archive, SHOW_MY_BOOL},
+ {"innodb_log_buffer_size", (char*) &innobase_log_buffer_size, SHOW_LONG },
+ {"innodb_log_file_size", (char*) &innobase_log_file_size, SHOW_LONG},
+ {"innodb_log_files_in_group", (char*) &innobase_log_files_in_group, SHOW_LONG},
{"innodb_log_group_home_dir", (char*) &innobase_log_group_home_dir, SHOW_CHAR_PTR},
- {"innodb_flush_method", (char*) &innobase_unix_file_flush_method, SHOW_CHAR_PTR},
+ {"innodb_mirrored_log_groups", (char*) &innobase_mirrored_log_groups, SHOW_LONG},
#endif
{"interactive_timeout", (char*) &net_interactive_timeout, SHOW_LONG},
{"join_buffer_size", (char*) &join_buff_size, SHOW_LONG},
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index e97fa3b0abf..ef3cacf114c 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -4963,15 +4963,16 @@ end_write_group(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
static bool test_if_ref(Item_field *left_item,Item *right_item)
{
Field *field=left_item->field;
- if (!field->table->const_table) // No need to change const test
+ // No need to change const test. We also have to keep tests on LEFT JOIN
+ if (!field->table->const_table && !field->table->maybe_null)
{
Item *ref_item=part_of_refkey(field->table,field);
if (ref_item && ref_item->eq(right_item))
{
if (right_item->type() == Item::FIELD_ITEM)
- return (field->eq_def(((Item_field *) right_item)->field) &&
- !field->table->maybe_null);
- if (right_item->const_item())
+ return (field->eq_def(((Item_field *) right_item)->field));
+ if (right_item->const_item() &&
+ (right_item->val_int() || !right_item->null_value))
{
// We can remove binary fields and numerical fields except float,
// as float comparison isn't 100 % secure