Optimized GIS functions

heap/hp_delete.c:
  Added comments
mysql-test/r/gis.result:
  Updated results after name changes (all results line are unchanged)
mysql-test/r/show_check.result:
  Update test results after fix in hp_delete.cc
mysql-test/t/gis.test:
  Changed table names to longer, hopefully non conflicting ones.
  Added missing drop table
mysys/hash.c:
  Inendation cleanup
mysys/tree.c:
  Updated comments
  Decrease tree->allocated on delete (for status)
sql/field.cc:
  Added safety checking for GIS objects
sql/gstream.cc:
  Added copyright message
  Made a lot of speed/space optimizations
  Changed class names to be MySQL compliant
sql/gstream.h:
  Made a lot of speed/space optimizations
  Changed class names to be MySQL compliant
sql/item_create.cc:
  Indentation fixup
sql/item_geofunc.cc:
  Use new gis interface functions and new gis class names.
  Simple optimizations
  Indentation fixups
  Fixed a lot of unlikely but possible errors.
sql/item_geofunc.h:
  Moved SRID_SIZE to spatial.h
sql/spatial.cc:
  Added copyright message
  Made a lot of speed/space optimizations
  Changed class names to be MySQL compliant
sql/spatial.h:
  Made a lot of speed/space optimizations
  Changed class names to be MySQL compliant
  Indentation fixes
  Use bool instead of int as result type for functions that only return 0 or 1
sql/sql_string.cc:
  Simple optimizations
sql/sql_string.h:
  Simple cleanups
sql/structs.h:
  Added LEX_STRING_WITH_INIT (needed by spatial.cc)

1 files changed, 11 insertions, 1 deletions

diff --git a/sql/structs.h b/sql/structs.h
index 37208e63400..0e69bca305c 100644
--- a/sql/structs.h
+++ b/sql/structs.h
@@ -20,11 +20,21 @@
 struct st_table;
 class Field;
 
-typedef struct lex_string {
+typedef struct st_lex_string
+{
   char *str;
   uint length;
 } LEX_STRING;
 
+typedef struct st_lex_string_with_init :public st_lex_string
+{
+  st_lex_string_with_init(const char *str_arg, uint length_arg)
+  {
+    str= (char*) str_arg;
+    length= length_arg;
+  }
+} LEX_STRING_WITH_INIT;
+
 
 typedef struct st_date_time_format {
   uchar positions[8];