Fix for #233 (the second one)

sql/field.cc:
  Field_geom::store() returns -1 as a sign of fatal error
sql/field_conv.cc:
  set_field_to_null* return -1 now as the fatal error
sql/item.cc:
  no sign inversions needed
sql/opt_range.cc:
  -1 is the sign of fatal error now
sql/sql_base.cc:
  -1 is the fatal error

sql/field.cc

@@ -5081,7 +5081,7 @@ int Field_geom::store(const char *from, uint length, CHARSET_INFO *cs)
     wkb_type= uint4korr(from + WKB_HEADER_SIZE);
     if (wkb_type < (uint32) Geometry::wkb_point ||
 	wkb_type > (uint32) Geometry::wkb_end)
-      return 1;
+      return -1;
     Field_blob::store_length(length);
     if (table->copy_blobs || length <= MAX_FIELD_WIDTH)
     {						// Must make a copy
@@ -5094,7 +5094,7 @@ int Field_geom::store(const char *from, uint length, CHARSET_INFO *cs)
 
 err:
   bzero(ptr, Field_blob::pack_length());  
-  return 1;
+  return -1;
 }
 
 #endif /*HAVE_SPATIAL*/

sql/field_conv.cc

@@ -127,7 +127,7 @@ set_field_to_null(Field *field)
   if (!current_thd->no_errors)
     my_printf_error(ER_BAD_NULL_ERROR,ER(ER_BAD_NULL_ERROR),MYF(0),
 		    field->field_name);
-  return 1;
+  return -1;
 }
 
 
@@ -145,7 +145,7 @@ set_field_to_null(Field *field)
 
   RETURN VALUES
     0		Field could take 0 or an automatic conversion was used
-    1		Field could not take NULL and no conversion was used.
+    -1		Field could not take NULL and no conversion was used.
 		If no_conversion was not set, an error message is printed
 */
 
@@ -159,7 +159,7 @@ set_field_to_null_with_conversions(Field *field, bool no_conversions)
     return 0;
   }
   if (no_conversions)
-    return 1;
+    return -1;
 
   /*
     Check if this is a special type, which will get a special walue
@@ -184,7 +184,7 @@ set_field_to_null_with_conversions(Field *field, bool no_conversions)
   if (!current_thd->no_errors)
     my_printf_error(ER_BAD_NULL_ERROR,ER(ER_BAD_NULL_ERROR),MYF(0),
 		    field->field_name);
-  return 1;
+  return -1;
 }
 
 

sql/item.cc

@@ -639,7 +639,7 @@ int Item_param::save_in_field(Field *field, bool no_conversions)
     return 0;
   }
   String *result=val_str(&str_value);
-  return (field->store(result->ptr(),result->length(),field->charset())) ? -1 : 0;
+  return field->store(result->ptr(),result->length(),field->charset());
 }
 
 bool Item_param::get_time(TIME *res)
@@ -1236,7 +1236,7 @@ int Item::save_in_field(Field *field, bool no_conversions)
     field->set_notnull();
     error=field->store(nr);
   }
-  return (error) ? -1 : 0;
+  return error;
 }
 
 
@@ -1247,8 +1247,7 @@ int Item_string::save_in_field(Field *field, bool no_conversions)
   if (null_value)
     return set_field_to_null(field);
   field->set_notnull();
-  return (field->store(result->ptr(),result->length(),collation.collation)) ? 
-	  -1 : 0;
+  return field->store(result->ptr(),result->length(),collation.collation);
 }
 
 int Item_uint::save_in_field(Field *field, bool no_conversions)
@@ -1267,7 +1266,7 @@ int Item_int::save_in_field(Field *field, bool no_conversions)
   if (null_value)
     return set_field_to_null(field);
   field->set_notnull();
-  return (field->store(nr)) ? -1 : 0;
+  return field->store(nr);
 }
 
 
@@ -1277,7 +1276,7 @@ int Item_real::save_in_field(Field *field, bool no_conversions)
   if (null_value)
     return set_field_to_null(field);
   field->set_notnull();
-  return (field->store(nr)) ? -1 : 0;
+  return field->store(nr);
 }
 
 /****************************************************************************
@@ -1339,7 +1338,7 @@ int Item_varbinary::save_in_field(Field *field, bool no_conversions)
     longlong nr=val_int();
     error=field->store(nr);
   }
-  return (error) ? -1 :  0;
+  return error;
 }
 
 

sql/opt_range.cc

@@ -1095,7 +1095,7 @@ get_mm_leaf(PARAM *param, COND *conf_func, Field *field, KEY_PART *key_part,
       field->cmp_type() != value->result_type())
     DBUG_RETURN(0);
  
-  if (value->save_in_field(field, 1) > 0)
+  if (value->save_in_field(field, 1) < 0)
   {
     /* This happens when we try to insert a NULL field in a not null column */
     DBUG_RETURN(&null_element);			// cmp with NULL is never true

sql/sql_base.cc

@@ -2424,7 +2424,7 @@ fill_record(List<Item> &fields,List<Item> &values, bool ignore_errors)
     TABLE *table= rfield->table;
     if (rfield == table->next_number_field)
       table->auto_increment_field_not_null= true;
-    if (value->save_in_field(rfield, 0) > 0 && !ignore_errors)
+    if ((value->save_in_field(rfield, 0) < 0) && !ignore_errors)
       DBUG_RETURN(1);
   }
   DBUG_RETURN(0);
@@ -2445,7 +2445,7 @@ fill_record(Field **ptr,List<Item> &values, bool ignore_errors)
     TABLE *table= field->table;
     if (field == table->next_number_field)
       table->auto_increment_field_not_null= true;
-    if (value->save_in_field(field, 0) == 1 && !ignore_errors)
+    if ((value->save_in_field(field, 0) < 0) && !ignore_errors)
       DBUG_RETURN(1);
   }
   DBUG_RETURN(0);