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, 20 insertions, 4 deletions

diff --git a/heap/hp_delete.c b/heap/hp_delete.c
index 89d685b7d0b..c918cf37f05 100644
--- a/heap/hp_delete.c
+++ b/heap/hp_delete.c
@@ -60,9 +60,11 @@ err:
   DBUG_RETURN(my_errno);
 }
 
+
 /*
-Remove one key from rb-tree
+  Remove one key from rb-tree
 */
+
 int hp_rb_delete_key(HP_INFO *info, register HP_KEYDEF *keyinfo,
 		   const byte *record, byte *recpos, int flag)
 {
@@ -82,11 +84,25 @@ int hp_rb_delete_key(HP_INFO *info, register HP_KEYDEF *keyinfo,
   return res;
 }
 
-	/* Remove one key from hash-table */
-	/* Flag is set if we want's to correct info->current_ptr */
+
+/*
+  Remove one key from hash-table
+
+  SYNPOSIS
+    hp_delete_key()
+    info		Hash handler
+    keyinfo		key definition of key that we want to delete
+    record		row data to be deleted
+    recpos		Pointer to heap record in memory
+    flag		Is set if we want's to correct info->current_ptr
+
+  RETURN
+    0	ok
+    #	error number
+*/
 
 int hp_delete_key(HP_INFO *info, register HP_KEYDEF *keyinfo,
-		   const byte *record, byte *recpos, int flag)
+		  const byte *record, byte *recpos, int flag)
 {
   ulong blength,pos2,pos_hashnr,lastpos_hashnr;
   HASH_INFO *lastpos,*gpos,*pos,*pos3,*empty,*last_ptr;