Merge gkodinov@bk-internal.mysql.com:/home/bk/mysql-5.1-opt

into  magare.gmz:/home/kgeorge/mysql/autopush/B27099-5.1-opt

mysql-test/r/ctype_utf8.result

@@ -1742,25 +1742,13 @@ NULL
 Warnings:
 Error	1300	Invalid utf8 character string: 'FF'
 select hex(_utf8 0x616263FF);
-hex(_utf8 0x616263FF)
-NULL
-Warnings:
-Error	1300	Invalid utf8 character string: 'FF'
+ERROR HY000: Invalid utf8 character string: 'FF'
 select hex(_utf8 X'616263FF');
-hex(_utf8 X'616263FF')
-NULL
-Warnings:
-Error	1300	Invalid utf8 character string: 'FF'
+ERROR HY000: Invalid utf8 character string: 'FF'
 select hex(_utf8 B'001111111111');
-hex(_utf8 B'001111111111')
-NULL
-Warnings:
-Error	1300	Invalid utf8 character string: 'FF'
+ERROR HY000: Invalid utf8 character string: 'FF'
 select (_utf8 X'616263FF');
-(_utf8 X'616263FF')
-NULL
-Warnings:
-Error	1300	Invalid utf8 character string: 'FF'
+ERROR HY000: Invalid utf8 character string: 'FF'
 set sql_mode=default;
 select hex(char(0xFF using utf8));
 hex(char(0xFF using utf8))
@@ -1773,22 +1761,10 @@ hex(convert(0xFF using utf8))
 Warnings:
 Warning	1300	Invalid utf8 character string: 'FF'
 select hex(_utf8 0x616263FF);
-hex(_utf8 0x616263FF)
-616263
-Warnings:
-Warning	1300	Invalid utf8 character string: 'FF'
+ERROR HY000: Invalid utf8 character string: 'FF'
 select hex(_utf8 X'616263FF');
-hex(_utf8 X'616263FF')
-616263
-Warnings:
-Warning	1300	Invalid utf8 character string: 'FF'
+ERROR HY000: Invalid utf8 character string: 'FF'
 select hex(_utf8 B'001111111111');
-hex(_utf8 B'001111111111')
-03
-Warnings:
-Warning	1300	Invalid utf8 character string: 'FF'
+ERROR HY000: Invalid utf8 character string: 'FF'
 select (_utf8 X'616263FF');
-(_utf8 X'616263FF')
-abc
-Warnings:
-Warning	1300	Invalid utf8 character string: 'FF'
+ERROR HY000: Invalid utf8 character string: 'FF'

mysql-test/r/information_schema.result

@@ -1560,4 +1560,8 @@ SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA
 WHERE SCHEMA_NAME ='information_schema';
 SCHEMA_NAME
 information_schema
+SELECT TABLE_COLLATION FROM INFORMATION_SCHEMA.TABLES
+WHERE TABLE_SCHEMA='mysql' and TABLE_NAME= 'db';
+TABLE_COLLATION
+utf8_bin
 End of 5.1 tests.

mysql-test/t/ctype_utf8.test

@@ -1412,14 +1412,22 @@ DROP TABLE t1, t2;
 set sql_mode=traditional;
 select hex(char(0xFF using utf8));
 select hex(convert(0xFF using utf8));
+--error ER_INVALID_CHARACTER_STRING
 select hex(_utf8 0x616263FF);
+--error ER_INVALID_CHARACTER_STRING
 select hex(_utf8 X'616263FF');
+--error ER_INVALID_CHARACTER_STRING
 select hex(_utf8 B'001111111111');
+--error ER_INVALID_CHARACTER_STRING
 select (_utf8 X'616263FF');
 set sql_mode=default;
 select hex(char(0xFF using utf8));
 select hex(convert(0xFF using utf8));
+--error ER_INVALID_CHARACTER_STRING
 select hex(_utf8 0x616263FF);
+--error ER_INVALID_CHARACTER_STRING
 select hex(_utf8 X'616263FF');
+--error ER_INVALID_CHARACTER_STRING
 select hex(_utf8 B'001111111111');
+--error ER_INVALID_CHARACTER_STRING
 select (_utf8 X'616263FF');

mysql-test/t/information_schema.test

@@ -1201,5 +1201,11 @@ DROP VIEW v1;
 #
 SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA
 WHERE SCHEMA_NAME ='information_schema';
+                                                                                                 
+#
+# Bug#31381 Error in retrieving Data from INFORMATION_SCHEMA
+#
+SELECT TABLE_COLLATION FROM INFORMATION_SCHEMA.TABLES
+WHERE TABLE_SCHEMA='mysql' and TABLE_NAME= 'db';
 
 --echo End of 5.1 tests.

sql/item.cc

@@ -4313,7 +4313,7 @@ bool Item::is_datetime()
 }
 
 
-String *Item::check_well_formed_result(String *str)
+String *Item::check_well_formed_result(String *str, bool send_error)
 {
   /* Check whether we got a well-formed string */
   CHARSET_INFO *cs= str->charset();
@@ -4329,8 +4329,14 @@ String *Item::check_well_formed_result(String *str)
     uint diff= str->length() - wlen;
     set_if_smaller(diff, 3);
     octet2hex(hexbuf, str->ptr() + wlen, diff);
-    if (thd->variables.sql_mode &
-        (MODE_STRICT_TRANS_TABLES | MODE_STRICT_ALL_TABLES))
+    if (send_error)
+    {
+      my_error(ER_INVALID_CHARACTER_STRING, MYF(0),
+               cs->csname,  hexbuf);
+      return 0;
+    }
+    if ((thd->variables.sql_mode &
+         (MODE_STRICT_TRANS_TABLES | MODE_STRICT_ALL_TABLES)))
     {
       level= MYSQL_ERROR::WARN_LEVEL_ERROR;
       null_value= 1;

sql/item.h

@@ -1003,7 +1003,7 @@ class Item {
   bool is_datetime();
   virtual Field::geometry_type get_geometry_type() const
     { return Field::GEOM_GEOMETRY; };
-  String *check_well_formed_result(String *str);
+  String *check_well_formed_result(String *str, bool send_error= 0);
 };
 
 

sql/sql_show.cc

@@ -3487,6 +3487,10 @@ static int get_schema_tables_record(THD *thd, TABLE_LIST *tables,
                             (ptr == option_buff ? 0 : 
                              (uint) (ptr-option_buff)-1), cs);
 
+    tmp_buff= (share->table_charset ?
+               share->table_charset->name : "default");
+    table->field[17]->store(tmp_buff, strlen(tmp_buff), cs);
+
     if (share->comment.str)
       table->field[20]->store(share->comment.str, share->comment.length, cs);
 
@@ -3564,9 +3568,6 @@ static int get_schema_tables_record(THD *thd, TABLE_LIST *tables,
         table->field[16]->store_time(&time, MYSQL_TIMESTAMP_DATETIME);
         table->field[16]->set_notnull();
       }
-      tmp_buff= (share->table_charset ?
-                 share->table_charset->name : "default");
-      table->field[17]->store(tmp_buff, strlen(tmp_buff), cs);
       if (file->ha_table_flags() & (ulong) HA_HAS_CHECKSUM)
       {
         table->field[18]->store((longlong) file->checksum(), TRUE);

sql/sql_yacc.yy

@@ -9935,15 +9935,11 @@ literal:
                                 str ? str->ptr() : "",
                                 str ? str->length() : 0,
                                 $1);
-            if ($$)
+            if (!$$ || !$$->check_well_formed_result(&$$->str_value, TRUE))
             {
-              ((Item_string *) $$)->set_repertoire_from_value();
-              if (!$$->check_well_formed_result(&$$->str_value))
-              {
-                $$= new Item_null();
-                $$->set_name(NULL, 0, system_charset_info);
-              }
+              MYSQL_YYABORT;
             }
+            ((Item_string *) $$)->set_repertoire_from_value();
           }
         | UNDERSCORE_CHARSET BIN_NUM
           {
@@ -9959,10 +9955,9 @@ literal:
                                 str ? str->ptr() : "",
                                 str ? str->length() : 0,
                                 $1);
-            if ($$ && !$$->check_well_formed_result(&$$->str_value))
+            if (!$$ || !$$->check_well_formed_result(&$$->str_value, TRUE))
             {
-              $$= new Item_null();
-              $$->set_name(NULL, 0, system_charset_info);
+              MYSQL_YYABORT;
             }
           }
 	| DATE_SYM text_literal { $$ = $2; }