Many files:

  After merge fix


mysql-test/r/func_time.result:
  After merge fix
mysql-test/r/func_concat.result:
  After merge fix
mysql-test/r/cast.result:
  After merge fix
sql/item_cmpfunc.h:
  After merge fix
sql/item_cmpfunc.cc:
  After merge fix
sql/field.cc:
  After merge fix

3 files changed, 41 insertions, 64 deletions

diff --git a/sql/field.cc b/sql/field.cc
index 64f888eb24d..b0a0633b6ce 100644
--- a/sql/field.cc
+++ b/sql/field.cc
@@ -4530,11 +4530,11 @@ int Field_timestamp::store(const char *from,uint len,CHARSET_INFO *cs)
   int error;
   bool have_smth_to_conv;
   my_bool in_dst_time_gap;
-  THD *thd= table->in_use;
+  THD *thd= table ? table->in_use : current_thd;
 
   /* We don't want to store invalid or fuzzy datetime values in TIMESTAMP */
   have_smth_to_conv= (str_to_datetime(from, len, &l_time,
-                                      (table->in_use->variables.sql_mode &
+                                      (thd->variables.sql_mode &
                                        MODE_NO_ZERO_DATE) |
                                       MODE_NO_ZERO_IN_DATE, &error) >
                       MYSQL_TIMESTAMP_ERROR);
@@ -4599,7 +4599,7 @@ int Field_timestamp::store(longlong nr, bool unsigned_val)
   my_time_t timestamp= 0;
   int error;
   my_bool in_dst_time_gap;
-  THD *thd= table->in_use;
+  THD *thd= table ? table->in_use : current_thd;
 
   /* We don't want to store invalid or fuzzy datetime values in TIMESTAMP */
   longlong tmp= number_to_datetime(nr, &l_time, (thd->variables.sql_mode &
@@ -4653,7 +4653,7 @@ longlong Field_timestamp::val_int(void)
 {
   uint32 temp;
   TIME time_tmp;
-  THD  *thd= table->in_use;
+  THD  *thd= table ? table->in_use : current_thd;
 
 #ifdef WORDS_BIGENDIAN
   if (table->s->db_low_byte_first)
@@ -4678,7 +4678,7 @@ String *Field_timestamp::val_str(String *val_buffer, String *val_ptr)
 {
   uint32 temp, temp2;
   TIME time_tmp;
-  THD *thd= table->in_use;
+  THD *thd= table ? table->in_use : current_thd;
   char *to;
 
   val_buffer->alloc(field_length+1);
@@ -4749,7 +4749,7 @@ String *Field_timestamp::val_str(String *val_buffer, String *val_ptr)
 bool Field_timestamp::get_date(TIME *ltime, uint fuzzydate)
 {
   long temp;
-  THD *thd= table->in_use;
+  THD *thd= table ? table->in_use : current_thd;
 #ifdef WORDS_BIGENDIAN
   if (table->s->db_low_byte_first)
     temp=uint4korr(ptr);
@@ -4832,7 +4832,8 @@ void Field_timestamp::sql_type(String &res) const
 
 void Field_timestamp::set_time()
 {
-  long tmp= (long) table->in_use->query_start();
+  THD *thd= table ? table->in_use : current_thd;
+  long tmp= (long) thd->query_start();
   set_notnull();
 #ifdef WORDS_BIGENDIAN
   if (table->s->db_low_byte_first)
@@ -5024,12 +5025,13 @@ String *Field_time::val_str(String *val_buffer,
 bool Field_time::get_date(TIME *ltime, uint fuzzydate)
 {
   long tmp;
+  THD *thd= table ? table->in_use : current_thd;
   if (!(fuzzydate & TIME_FUZZY_DATE))
   {
-    push_warning_printf(table->in_use, MYSQL_ERROR::WARN_LEVEL_WARN,
+    push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
                         ER_WARN_DATA_OUT_OF_RANGE,
                         ER(ER_WARN_DATA_OUT_OF_RANGE), field_name,
-                        table->in_use->row_count);
+                        thd->row_count);
     return 1;
   }
   tmp=(long) sint3korr(ptr);
@@ -5217,9 +5219,10 @@ int Field_date::store(const char *from, uint len,CHARSET_INFO *cs)
   TIME l_time;
   uint32 tmp;
   int error;
+  THD *thd= table ? table->in_use : current_thd;
 
   if (str_to_datetime(from, len, &l_time, TIME_FUZZY_DATE |
-                      (table->in_use->variables.sql_mode &
+                      (thd->variables.sql_mode &
                        (MODE_NO_ZERO_IN_DATE | MODE_NO_ZERO_DATE |
                         MODE_INVALID_DATES)),
                       &error) <= MYSQL_TIMESTAMP_ERROR)
@@ -5272,9 +5275,10 @@ int Field_date::store(longlong nr, bool unsigned_val)
   TIME not_used;
   int error;
   longlong initial_nr= nr;
+  THD *thd= table ? table->in_use : current_thd;
 
   nr= number_to_datetime(nr, &not_used, (TIME_FUZZY_DATE |
-                                         (table->in_use->variables.sql_mode &
+                                         (thd->variables.sql_mode &
                                           (MODE_NO_ZERO_IN_DATE |
                                            MODE_NO_ZERO_DATE |
                                            MODE_INVALID_DATES))), &error);
@@ -5420,9 +5424,10 @@ int Field_newdate::store(const char *from,uint len,CHARSET_INFO *cs)
   TIME l_time;
   long tmp;
   int error;
+  THD *thd= table ? table->in_use : current_thd;
   if (str_to_datetime(from, len, &l_time,
                       (TIME_FUZZY_DATE |
-                       (table->in_use->variables.sql_mode &
+                       (thd->variables.sql_mode &
                         (MODE_NO_ZERO_IN_DATE | MODE_NO_ZERO_DATE |
                          MODE_INVALID_DATES))),
                       &error) <= MYSQL_TIMESTAMP_ERROR)
@@ -5460,9 +5465,10 @@ int Field_newdate::store(longlong nr, bool unsigned_val)
   TIME l_time;
   longlong tmp;
   int error;
+  THD *thd= table ? table->in_use : current_thd;
   if (number_to_datetime(nr, &l_time,
                          (TIME_FUZZY_DATE |
-                          (table->in_use->variables.sql_mode &
+                          (thd->variables.sql_mode &
                            (MODE_NO_ZERO_IN_DATE | MODE_NO_ZERO_DATE |
                             MODE_INVALID_DATES))),
                          &error) == LL(-1))
@@ -5605,10 +5611,11 @@ int Field_datetime::store(const char *from,uint len,CHARSET_INFO *cs)
   int error;
   ulonglong tmp= 0;
   enum enum_mysql_timestamp_type func_res;
+  THD *thd= table ? table->in_use : current_thd;
 
   func_res= str_to_datetime(from, len, &time_tmp,
                             (TIME_FUZZY_DATE |
-                             (table->in_use->variables.sql_mode &
+                             (thd->variables.sql_mode &
                               (MODE_NO_ZERO_IN_DATE | MODE_NO_ZERO_DATE |
                                MODE_INVALID_DATES))),
                             &error);
@@ -5655,9 +5662,10 @@ int Field_datetime::store(longlong nr, bool unsigned_val)
   TIME not_used;
   int error;
   longlong initial_nr= nr;
+  THD *thd= table ? table->in_use : current_thd;
 
   nr= number_to_datetime(nr, &not_used, (TIME_FUZZY_DATE |
-                                         (table->in_use->variables.sql_mode &
+                                         (thd->variables.sql_mode &
                                           (MODE_NO_ZERO_IN_DATE |
                                            MODE_NO_ZERO_DATE |
                                            MODE_INVALID_DATES))), &error);
@@ -9076,10 +9084,10 @@ Field::set_datetime_warning(MYSQL_ERROR::enum_warning_level level, uint code,
                             const char *str, uint str_length, 
                             timestamp_type ts_type, int cuted_increment)
 {
-  if (table->in_use->really_abort_on_warning() ||
+  THD *thd= table ? table->in_use : current_thd;
+  if (thd->really_abort_on_warning() ||
       set_warning(level, code, cuted_increment))
-    make_truncated_value_warning(table ? table->in_use : current_thd,
-                                 str, str_length, ts_type,
+    make_truncated_value_warning(thd, str, str_length, ts_type,
                                  field_name);
 }
 
@@ -9106,13 +9114,13 @@ Field::set_datetime_warning(MYSQL_ERROR::enum_warning_level level, uint code,
                             longlong nr, timestamp_type ts_type,
                             int cuted_increment)
 {
-  if (table->in_use->really_abort_on_warning() ||
+  THD *thd= table ? table->in_use : current_thd;
+  if (thd->really_abort_on_warning() ||
       set_warning(level, code, cuted_increment))
   {
     char str_nr[22];
     char *str_end= longlong10_to_str(nr, str_nr, -10);
-    make_truncated_value_warning(table ? table->in_use : current_thd,
-                                 str_nr, (uint) (str_end - str_nr), 
+    make_truncated_value_warning(thd, str_nr, (uint) (str_end - str_nr), 
                                  ts_type, field_name);
   }
 }
@@ -9138,41 +9146,15 @@ void
 Field::set_datetime_warning(MYSQL_ERROR::enum_warning_level level, uint code, 
                             double nr, timestamp_type ts_type)
 {
-  if (table->in_use->really_abort_on_warning() ||
+  THD *thd= table ? table->in_use : current_thd;
+  if (thd->really_abort_on_warning() ||
       set_warning(level, code, 1))
   {
     /* DBL_DIG is enough to print '-[digits].E+###' */
     char str_nr[DBL_DIG + 8];
     uint str_len= my_sprintf(str_nr, (str_nr, "%g", nr));
-    make_truncated_value_warning(table ? table->in_use : current_thd,
-                                 str_nr, str_len, ts_type,
+    make_truncated_value_warning(thd, str_nr, str_len, ts_type,
                                  field_name);
   }
 }
 
-/*
-  maximum possible display length for blob
-
-  SYNOPSIS
-    Field_blob::max_length()
-
-  RETURN
-    length
-*/
-uint32 Field_blob::max_length()
-{
-  switch (packlength)
-  {
-  case 1:
-    return 255 * field_charset->mbmaxlen;
-  case 2:
-    return 65535 * field_charset->mbmaxlen;
-  case 3:
-    return 16777215 * field_charset->mbmaxlen;
-  case 4:
-    return (uint32) 4294967295U;
-  default:
-    DBUG_ASSERT(0); // we should never go here
-    return 0;
-  }
-}
diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc
index 6a1ec1de7e7..db1af9de0a2 100644
--- a/sql/item_cmpfunc.cc
+++ b/sql/item_cmpfunc.cc
@@ -366,18 +366,18 @@ static bool convert_constant_item(THD *thd, Field *field, Item **item)
   if (!(*item)->with_subselect && (*item)->const_item())
   {
     /* For comparison purposes allow invalid dates like 2000-01-32 */
-    ulong orig_sql_mode= field->table->in_use->variables.sql_mode;
-    field->table->in_use->variables.sql_mode|= MODE_INVALID_DATES;
+    ulong orig_sql_mode= thd->variables.sql_mode;
+    thd->variables.sql_mode|= MODE_INVALID_DATES;
     if (!(*item)->save_in_field(field, 1) && !((*item)->null_value))
     {
       Item *tmp=new Item_int_with_ref(field->val_int(), *item,
                                       test(field->flags & UNSIGNED_FLAG));
-      field->table->in_use->variables.sql_mode= orig_sql_mode;
+      thd->variables.sql_mode= orig_sql_mode;
       if (tmp)
         thd->change_item_tree(item, tmp);
       return 1;					// Item was replaced
     }
-    field->table->in_use->variables.sql_mode= orig_sql_mode;
+    thd->variables.sql_mode= orig_sql_mode;
   }
   return 0;
 }
diff --git a/sql/item_cmpfunc.h b/sql/item_cmpfunc.h
index 340bf2bb2bf..a2b10eacc79 100644
--- a/sql/item_cmpfunc.h
+++ b/sql/item_cmpfunc.h
@@ -45,11 +45,8 @@ public:
   int set_compare_func(Item_bool_func2 *owner, Item_result type);
   inline int set_compare_func(Item_bool_func2 *owner_arg)
   {
-    Item_result ar= (*a)->result_as_longlong() && (*b)->const_item() ?
-                      INT_RESULT : (*a)->result_type();
-    Item_result br= (*b)->result_as_longlong() && (*a)->const_item() ?
-                      INT_RESULT : (*b)->result_type();
-    return set_compare_func(owner_arg, item_cmp_type(ar, br));
+    return set_compare_func(owner_arg, item_cmp_type((*a)->result_type(),
+                                                     (*b)->result_type()));
   }
   inline int set_cmp_func(Item_bool_func2 *owner_arg,
 			  Item **a1, Item **a2,
@@ -62,11 +59,9 @@ public:
   inline int set_cmp_func(Item_bool_func2 *owner_arg,
 			  Item **a1, Item **a2)
   {
-    Item_result ar= (*a1)->result_as_longlong() && (*a2)->const_item() ?
-                      INT_RESULT : (*a1)->result_type();
-    Item_result br= (*a2)->result_as_longlong() && (*a1)->const_item() ?
-                      INT_RESULT : (*a2)->result_type();
-    return set_cmp_func(owner_arg, a1, a2, item_cmp_type(ar, br));
+    return set_cmp_func(owner_arg, a1, a2,
+                        item_cmp_type((*a1)->result_type(),
+                                      (*a2)->result_type()));
   }
   inline int compare() { return (this->*func)(); }