Merge jlindstrom@bk-internal.mysql.com:/home/bk/mysql-4.1

into hundin.mysql.fi:/home/jan/mysql-4.1

13 files changed, 208 insertions, 30 deletions

diff --git a/extra/my_print_defaults.c b/extra/my_print_defaults.c
index d5836cb0dc8..c0461fd0368 100644
--- a/extra/my_print_defaults.c
+++ b/extra/my_print_defaults.c
@@ -27,12 +27,20 @@
 
 const char *config_file="my";			/* Default config file */
 uint verbose= 0, opt_defaults_file_used= 0;
+const char *default_dbug_option="d:t:o,/tmp/my_print_defaults.trace";
 
 static struct my_option my_long_options[] =
 {
   {"config-file", 'c', "The config file to be used.",
    (gptr*) &config_file, (gptr*) &config_file, 0, GET_STR, REQUIRED_ARG,
    0, 0, 0, 0, 0, 0},
+#ifdef DBUG_OFF
+  {"debug", '#', "This is a non-debug version. Catch this and exit",
+   0,0, 0, GET_DISABLED, OPT_ARG, 0, 0, 0, 0, 0, 0},
+#else
+  {"debug", '#', "Output debug log", (gptr*) &default_dbug_option,
+   (gptr*) &default_dbug_option, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
+#endif
   {"defaults-file", 'c', "Synonym for --config-file.",
    (gptr*) &config_file, (gptr*) &config_file, 0, GET_STR, REQUIRED_ARG,
    0, 0, 0, 0, 0, 0},
@@ -95,6 +103,9 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
     case 'V':
     usage(1);
     exit(0);
+    case '#':
+      DBUG_PUSH(argument ? argument : default_dbug_option);
+      break;
   }
   return 0;
 }
@@ -118,7 +129,7 @@ static int get_options(int *argc,char ***argv)
 int main(int argc, char **argv)
 {
   int count, error;
-  char **load_default_groups, *tmp_arguments[2],
+  char **load_default_groups, *tmp_arguments[3],
        **argument, **arguments;
   char *defaults, *extra_defaults;
   MY_INIT(argv[0]);
diff --git a/libmysqld/emb_qcache.cc b/libmysqld/emb_qcache.cc
index 2d3d82b7952..ecc45096165 100644
--- a/libmysqld/emb_qcache.cc
+++ b/libmysqld/emb_qcache.cc
@@ -22,7 +22,7 @@
 void Querycache_stream::store_char(char c)
 {
   if (data_end == cur_data)
-    use_next_block();
+    use_next_block(TRUE);
   *(cur_data++)= c;
 #ifndef DBUG_OFF
   stored_size++;
@@ -42,13 +42,13 @@ void Querycache_stream::store_short(ushort s)
   }
   if (data_end == cur_data)
   {
-    use_next_block();
+    use_next_block(TRUE);
     int2store(cur_data, s);
     cur_data+= 2;
     return;
   }
   *cur_data= ((byte *)(&s))[0];
-  use_next_block();
+  use_next_block(TRUE);
   *(cur_data++)= ((byte *)(&s))[1];
 }
 
@@ -66,7 +66,7 @@ void Querycache_stream::store_int(uint i)
   }
   if (!rest_len)
   {
-    use_next_block();
+    use_next_block(TRUE);
     int4store(cur_data, i);
     cur_data+= 4;
     return;
@@ -74,7 +74,7 @@ void Querycache_stream::store_int(uint i)
   char buf[4];
   int4store(buf, i);
   memcpy(cur_data, buf, rest_len);
-  use_next_block();
+  use_next_block(TRUE);
   memcpy(cur_data, buf+rest_len, 4-rest_len);
   cur_data+= 4-rest_len;
 }
@@ -93,13 +93,13 @@ void Querycache_stream::store_ll(ulonglong ll)
   }
   if (!rest_len)
   {
-    use_next_block();
+    use_next_block(TRUE);
     int8store(cur_data, ll);
     cur_data+= 8;
     return;
   }
   memcpy(cur_data, &ll, rest_len);
-  use_next_block();
+  use_next_block(TRUE);
   memcpy(cur_data, ((byte*)&ll)+rest_len, 8-rest_len);
   cur_data+= 8-rest_len;
 }
@@ -112,14 +112,14 @@ void Querycache_stream::store_str_only(const char *str, uint str_len)
   do
   {
     size_t rest_len= data_end - cur_data;
-    if (rest_len > str_len)
+    if (rest_len >= str_len)
     {
       memcpy(cur_data, str, str_len);
       cur_data+= str_len;
       return;
     }
     memcpy(cur_data, str, rest_len);
-    use_next_block();
+    use_next_block(TRUE);
     str_len-= rest_len;
     str+= rest_len;
   } while(str_len);
@@ -145,7 +145,7 @@ void Querycache_stream::store_safe_str(const char *str, uint str_len)
 char Querycache_stream::load_char()
 {
   if (cur_data == data_end)
-    use_next_block();
+    use_next_block(FALSE);
   return *(cur_data++);
 }
 
@@ -160,13 +160,13 @@ ushort Querycache_stream::load_short()
   }
   if (data_end == cur_data)
   {
-    use_next_block();
+    use_next_block(FALSE);
     result= uint2korr(cur_data);
     cur_data+= 2;
     return result;
   }
   ((byte*)&result)[0]= *cur_data;
-  use_next_block();
+  use_next_block(FALSE);
   ((byte*)&result)[1]= *(cur_data++);
   return result;
 }
@@ -183,14 +183,14 @@ uint Querycache_stream::load_int()
   }
   if (!rest_len)
   {
-    use_next_block();
+    use_next_block(FALSE);
     result= uint4korr(cur_data);
     cur_data+= 4;
     return result;
   }
   char buf[4];
   memcpy(buf, cur_data, rest_len);
-  use_next_block();
+  use_next_block(FALSE);
   memcpy(buf+rest_len, cur_data, 4-rest_len);
   cur_data+= 4-rest_len;
   result= uint4korr(buf);
@@ -209,13 +209,13 @@ ulonglong Querycache_stream::load_ll()
   }
   if (!rest_len)
   {
-    use_next_block();
+    use_next_block(FALSE);
     result= uint8korr(cur_data);
     cur_data+= 8;
     return result;
   }
   memcpy(&result, cur_data, rest_len);
-  use_next_block();
+  use_next_block(FALSE);
   memcpy(((byte*)&result)+rest_len, cur_data, 8-rest_len);
   cur_data+= 8-rest_len;
   return result;
@@ -226,7 +226,7 @@ void Querycache_stream::load_str_only(char *buffer, uint str_len)
   do
   {
     size_t rest_len= data_end - cur_data;
-    if (rest_len > str_len)
+    if (rest_len >= str_len)
     {
       memcpy(buffer, cur_data, str_len);
       cur_data+= str_len;
@@ -234,7 +234,7 @@ void Querycache_stream::load_str_only(char *buffer, uint str_len)
       break;
     }
     memcpy(buffer, cur_data, rest_len);
-    use_next_block();
+    use_next_block(FALSE);
     str_len-= rest_len;
     buffer+= rest_len;
   } while(str_len);
diff --git a/libmysqld/emb_qcache.h b/libmysqld/emb_qcache.h
index 32ce19847ff..6201058ce56 100644
--- a/libmysqld/emb_qcache.h
+++ b/libmysqld/emb_qcache.h
@@ -22,22 +22,43 @@ class Querycache_stream
   uint headers_len;
 public:
 #ifndef DBUG_OFF
+  Query_cache_block *first_block;
   uint stored_size;
 #endif
   Querycache_stream(Query_cache_block *ini_block, uint ini_headers_len) :
     block(ini_block), headers_len(ini_headers_len)    
   {
-    use_next_block();
+    cur_data= ((byte*)block)+headers_len;
+    data_end= cur_data + (block->used-headers_len);
 #ifndef DBUG_OFF
+    first_block= ini_block;
     stored_size= 0;
 #endif
   }
-  void use_next_block()
+  void use_next_block(bool writing)
   {
+    /*
+      This shouldn't be called if there is only one block, or to loop
+      around to the first block again. That means we're trying to write
+      more data than we allocated space for.
+    */
+    DBUG_ASSERT(block->next != block);
+    DBUG_ASSERT(block->next != first_block);
+
+    block= block->next;
+    /*
+      While writing, update the type of each block as we write to it.
+      While reading, make sure that the block is of the expected type.
+    */
+    if (writing)
+      block->type= Query_cache_block::RES_CONT;
+    else
+      DBUG_ASSERT(block->type == Query_cache_block::RES_CONT);
+
     cur_data= ((byte*)block)+headers_len;
     data_end= cur_data + (block->used-headers_len);
   }
-  
+
   void store_char(char c);
   void store_short(ushort s);
   void store_int(uint i);
diff --git a/mysql-test/mysql-test-run.sh b/mysql-test/mysql-test-run.sh
index 8522ac5d955..bdbd46ae8dd 100644
--- a/mysql-test/mysql-test-run.sh
+++ b/mysql-test/mysql-test-run.sh
@@ -685,6 +685,12 @@ then
 fi
 
 MYSQL_CLIENT_TEST="$MYSQL_CLIENT_TEST --no-defaults --testcase --user=root --socket=$MASTER_MYSOCK --port=$MYSQL_TCP_PORT --silent $EXTRA_MYSQL_CLIENT_TEST_OPT"
+# Need to pass additional arguments to MYSQL_CLIENT_TEST for embedded server
+# -A marks each argument for passing to the function which initializes the
+# embedded library
+if [ "x$USE_EMBEDDED_SERVER" = "x1" ]; then
+  MYSQL_CLIENT_TEST="$MYSQL_CLIENT_TEST -A --language=$LANGUAGE -A --datadir=$SLAVE_MYDDIR -A --character-sets-dir=$CHARSETSDIR"
+fi
 MYSQL_DUMP="$MYSQL_DUMP --no-defaults -uroot --socket=$MASTER_MYSOCK --password=$DBPASSWD $EXTRA_MYSQLDUMP_OPT"
 MYSQL_BINLOG="$MYSQL_BINLOG --no-defaults --local-load=$MYSQL_TMP_DIR $EXTRA_MYSQLBINLOG_OPT"
 MYSQL_FIX_SYSTEM_TABLES="$MYSQL_FIX_SYSTEM_TABLES --no-defaults --host=localhost --port=$MASTER_MYPORT --socket=$MASTER_MYSOCK --user=root --password=$DBPASSWD --basedir=$BASEDIR --bindir=$CLIENT_BINDIR --verbose"
diff --git a/mysql-test/r/lowercase_table.result b/mysql-test/r/lowercase_table.result
index a30ec0f160c..ef379cebaa9 100644
--- a/mysql-test/r/lowercase_table.result
+++ b/mysql-test/r/lowercase_table.result
@@ -78,5 +78,8 @@ ERROR 42000: Not unique table/alias: 'C'
 select C.a, c.a from t1 c, t2 C;
 ERROR 42000: Not unique table/alias: 'C'
 drop table t1, t2;
+create table t1 (a int);
+create table t2 like T1;
+drop table t1, t2;
 show tables;
 Tables_in_test
diff --git a/mysql-test/r/query_cache.result b/mysql-test/r/query_cache.result
index 5385eec6da3..55f9bc6c224 100644
--- a/mysql-test/r/query_cache.result
+++ b/mysql-test/r/query_cache.result
@@ -944,4 +944,31 @@ show status like 'qcache_queries_in_cache';
 Variable_name	Value
 Qcache_queries_in_cache	0
 drop table t1;
+set GLOBAL query_cache_size=64*1024;
+create table t1 (a text);
+insert into t1 values (repeat('abcdefghijklmnopqrstuvwxyz', 550));
+create table t2 (a text);
+insert into t2 values (repeat('ijklmnopqrstuvwxyzabcdefgh', 550));
+select a from t1;
+select a from t2;
+show status like 'Qcache_%_blocks';
+Variable_name	Value
+Qcache_free_blocks	1
+Qcache_total_blocks	7
+insert into t1 select reverse(a) from t1;
+show status like 'Qcache_%_blocks';
+Variable_name	Value
+Qcache_free_blocks	2
+Qcache_total_blocks	5
+select a from t1;
+show status like 'Qcache_%_blocks';
+Variable_name	Value
+Qcache_free_blocks	1
+Qcache_total_blocks	8
+select a from t1;
+a
+abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefg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+flush query cache;
+drop table t1, t2;
 set GLOBAL query_cache_size=0;
diff --git a/mysql-test/t/lowercase_table.test b/mysql-test/t/lowercase_table.test
index a9c0c976afc..ee8dc403981 100644
--- a/mysql-test/t/lowercase_table.test
+++ b/mysql-test/t/lowercase_table.test
@@ -73,4 +73,12 @@ select * from t1 c, t2 C;
 select C.a, c.a from t1 c, t2 C;
 drop table t1, t2;
 
+#
+# Bug #9761: CREATE TABLE ... LIKE ... not handled correctly when
+# lower_case_table_names is set
+
+create table t1 (a int);
+create table t2 like T1;
+drop table t1, t2;
+
 show tables;
diff --git a/mysql-test/t/query_cache.test b/mysql-test/t/query_cache.test
index ad36d8b425a..170f150f7aa 100644
--- a/mysql-test/t/query_cache.test
+++ b/mysql-test/t/query_cache.test
@@ -685,4 +685,49 @@ repair table t1;
 show status like 'qcache_queries_in_cache';
 drop table t1;
 
+# Bug #9549: Make sure cached queries that span more than one cache block
+# are handled properly in the embedded server.
+
+# We just want a small query cache, so we can fragment it easily
+set GLOBAL query_cache_size=64*1024;
+# This actually gives us a usable cache size of about 48K
+
+# Each table is about 14K
+create table t1 (a text);
+insert into t1 values (repeat('abcdefghijklmnopqrstuvwxyz', 550));
+create table t2 (a text);
+insert into t2 values (repeat('ijklmnopqrstuvwxyzabcdefgh', 550));
+
+# Load a query from each table into the query cache
+--disable_result_log
+select a from t1; # Q1
+select a from t2; # Q2
+--enable_result_log
+show status like 'Qcache_%_blocks';
+
+# Now the cache looks like (14K for Q1)(14K for Q2)(20K free)
+
+# Flush Q1 from the cache by adding an out-of-order chunk to t1
+insert into t1 select reverse(a) from t1;
+show status like 'Qcache_%_blocks';
+
+# Now the cache looks like (14K free)(14K for Q2)(20K free)
+
+# Load our new data into the query cache
+--disable_result_log
+select a from t1;  # Q3
+--enable_result_log
+show status like 'Qcache_%_blocks';
+
+# Now the cache should be like (14K for Q3)(14K for Q2)(14K for Q3)(6K free)
+
+# Note that Q3 is split across two chunks!
+
+# Load Q3 from the cache, and actually pay attention to the results
+select a from t1;
+
+flush query cache;
+
+drop table t1, t2;
+
 set GLOBAL query_cache_size=0;
diff --git a/mysys/default.c b/mysys/default.c
index bf23502389d..9510cfb3464 100644
--- a/mysys/default.c
+++ b/mysys/default.c
@@ -144,7 +144,7 @@ int load_defaults(const char *conf_file, const char **groups,
                   int *argc, char ***argv)
 {
   DYNAMIC_ARRAY args;
-  const char **dirs, *forced_default_file;
+  const char **dirs, *forced_default_file, *forced_extra_defaults;
   TYPELIB group;
   my_bool found_print_defaults=0;
   uint args_used=0;
@@ -174,13 +174,14 @@ int load_defaults(const char *conf_file, const char **groups,
   }
 
   get_defaults_files(*argc, *argv,
-                      (char **)&forced_default_file, &defaults_extra_file);
+                      (char **)&forced_default_file,
+                      (char **)&forced_extra_defaults);
   if (forced_default_file)
     forced_default_file= strchr(forced_default_file,'=')+1;
-  if (defaults_extra_file)
-    defaults_extra_file= strchr(defaults_extra_file,'=')+1;
+  if (forced_extra_defaults)
+    defaults_extra_file= strchr(forced_extra_defaults,'=')+1;
 
-  args_used+= (forced_default_file ? 1 : 0) + (defaults_extra_file ? 1 : 0);
+  args_used+= (forced_default_file ? 1 : 0) + (forced_extra_defaults ? 1 : 0);
 
   group.count=0;
   group.name= "defaults";
diff --git a/sql/sql_cache.cc b/sql/sql_cache.cc
index 6eff958257b..8deb3489782 100644
--- a/sql/sql_cache.cc
+++ b/sql/sql_cache.cc
@@ -1933,6 +1933,11 @@ my_bool Query_cache::write_result_data(Query_cache_block **result_block,
       type = Query_cache_block::RES_CONT;
     } while (block != *result_block);
 #else
+    /*
+      Set type of first block, emb_store_querycache_result() will handle
+      the others.
+    */
+    (*result_block)->type= type;
     Querycache_stream qs(*result_block, headers_len);
     emb_store_querycache_result(&qs, (THD*)data);
 #endif /*!EMBEDDED_LIBRARY*/
diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc
index 49110e02113..c5b429ec8fc 100644
--- a/sql/sql_parse.cc
+++ b/sql/sql_parse.cc
@@ -449,7 +449,7 @@ static int check_for_max_user_connections(THD *thd, USER_CONN *uc)
       uc->user_resources.connections <= uc->conn_per_hour)
   {
     net_printf(thd, ER_USER_LIMIT_REACHED, uc->user,
-	       "max_connections",
+	       "max_connections_per_hour",
 	       (long) uc->user_resources.connections);
     error=1;
     goto end;
diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index f3f8511026b..c03edfdb012 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -2281,6 +2281,8 @@ int mysql_create_like_table(THD* thd, TABLE_LIST* table,
 	    reg_ext, NullS);
     /* Resolve symlinks (for windows) */
     fn_format(src_path, src_path, "", "", MYF(MY_UNPACK_FILENAME));
+    if (lower_case_table_names)
+      my_casedn_str(files_charset_info, src_path);
     if (access(src_path, F_OK))
     {
       my_error(ER_BAD_TABLE_ERROR, MYF(0), src_table);
diff --git a/tests/mysql_client_test.c b/tests/mysql_client_test.c
index cb274682f9b..dbee6e77e4f 100644
--- a/tests/mysql_client_test.c
+++ b/tests/mysql_client_test.c
@@ -30,6 +30,7 @@
 
 #define VER "2.1"
 #define MAX_TEST_QUERY_LENGTH 300 /* MAX QUERY BUFFER LENGTH */
+#define MAX_SERVER_ARGS 64
 
 /* set default options */
 static int   opt_testcase = 0;
@@ -48,6 +49,18 @@ static unsigned int test_count= 0;
 static unsigned int opt_count= 0;
 static unsigned int iter_count= 0;
 
+static const char *opt_basedir= "./";
+
+static int embedded_server_arg_count= 0;
+static char *embedded_server_args[MAX_SERVER_ARGS];
+
+static const char *embedded_server_groups[]= {
+  "server",
+  "embedded",
+  "mysql_client_test_SERVER",
+  NullS
+};
+
 static time_t start_time, end_time;
 static double total_time;
 
@@ -93,6 +106,8 @@ static void client_disconnect();
 
 #define DIE_UNLESS(expr) \
         ((void) ((expr) ? 0 : (die(__FILE__, __LINE__, #expr), 0)))
+#define DIE(expr) \
+        die(__FILE__, __LINE__, #expr)
 
 void die(const char *file, int line, const char *expr)
 {
@@ -11617,7 +11632,7 @@ static void test_bug7990()
 
 static void test_bug8378()
 {
-#ifdef HAVE_CHARSET_gbk
+#if defined(HAVE_CHARSET_gbk) && !defined(EMBEDDED_LIBRARY)
   MYSQL *lmysql;
   char out[9]; /* strlen(TEST_BUG8378)*2+1 */
   int len;
@@ -11664,6 +11679,8 @@ static char **defaults_argv;
 
 static struct my_option client_test_long_options[] =
 {
+  {"basedir", 'b', "Basedir for tests.", (gptr*) &opt_basedir,
+   (gptr*) &opt_basedir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
   {"count", 't', "Number of times test to be executed", (char **) &opt_count,
    (char **) &opt_count, 0, GET_UINT, REQUIRED_ARG, 1, 0, 0, 0, 0, 0},
   {"database", 'D', "Database to use", (char **) &opt_db, (char **) &opt_db,
@@ -11679,6 +11696,8 @@ static struct my_option client_test_long_options[] =
    0, 0, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
   {"port", 'P', "Port number to use for connection", (char **) &opt_port,
    (char **) &opt_port, 0, GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
+  {"server-arg", 'A', "Send embedded server this as a parameter.",
+   0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
   {"show-tests", 'T', "Show all tests' names", 0, 0, 0, GET_NO_ARG, NO_ARG,
    0, 0, 0, 0, 0, 0},
   {"silent", 's', "Be more silent", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0,
@@ -11899,6 +11918,25 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
     else
       opt_silent++;
     break;
+  case 'A':
+    /*
+      When the embedded server is being tested, the test suite needs to be
+      able to pass command-line arguments to the embedded server so it can
+      locate the language files and data directory. The test suite
+      (mysql-test-run) never uses config files, just command-line options.
+    */
+    if (!embedded_server_arg_count)
+    {
+      embedded_server_arg_count= 1;
+      embedded_server_args[0]= (char*) "";
+    }
+    if (embedded_server_arg_count == MAX_SERVER_ARGS-1 ||
+        !(embedded_server_args[embedded_server_arg_count++]=
+          my_strdup(argument, MYF(MY_FAE))))
+    {
+      DIE("Can't use server argument");
+    }
+    break;
   case 'T':
     {
       struct my_tests_st *fptr;
@@ -11962,11 +12000,16 @@ int main(int argc, char **argv)
 
   DEBUGGER_OFF;
   MY_INIT(argv[0]);
-  
+
   load_defaults("my", client_test_load_default_groups, &argc, &argv);
   defaults_argv= argv;
   get_options(&argc, &argv);
 
+  if (mysql_server_init(embedded_server_arg_count,
+                        embedded_server_args,
+                        (char**) embedded_server_groups))
+    DIE("Can't initialize MySQL server");
+
   client_connect();       /* connect to server */
 
   total_time= 0;
@@ -12019,6 +12062,12 @@ int main(int argc, char **argv)
   client_disconnect();    /* disconnect from server */
   free_defaults(defaults_argv);
   print_test_output();
+
+  while (embedded_server_arg_count > 1)
+    my_free(embedded_server_args[--embedded_server_arg_count],MYF(0));
+
+  mysql_server_end();
+
   my_end(0);
 
   exit(0);