Added AsWKT() alias for AsText().

Renamed as_text().


sql/item_create.cc:
  Renamed as_text().
sql/item_create.h:
  Renamed as_text().
sql/lex.h:
  Added AsWKT() alias for AsText().

sql/item_create.cc

@@ -506,7 +506,7 @@ Item *create_func_quote(Item* a)
   return new Item_func_quote(a);
 }
 
-Item *create_func_as_text(Item *a)
+Item *create_func_as_wkt(Item *a)
 {
   return new Item_func_as_text(a);
 }

sql/item_create.h

@@ -104,7 +104,7 @@ Item *create_func_is_used_lock(Item* a);
 Item *create_func_quote(Item* a);
 
 Item *create_func_geometry_from_text(Item *a);
-Item *create_func_as_text(Item *a);
+Item *create_func_as_wkt(Item *a);
 Item *create_func_as_wkb(Item *a);
 Item *create_func_srid(Item *a);
 Item *create_func_startpoint(Item *a);

sql/lex.h

@@ -433,8 +433,9 @@ static SYMBOL sql_functions[] = {
   { "AREA",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_area)},
   { "ASIN",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_asin)},
   { "ASBINARY",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_as_wkb)},
-  { "ASTEXT",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_as_text)},
+  { "ASTEXT",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_as_wkt)},
   { "ASWKB",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_as_wkb)},
+  { "ASWKT",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_as_wkt)},
   { "ATAN",		SYM(ATAN),0,0},
   { "ATAN2",		SYM(ATAN),0,0},
   { "BENCHMARK",	SYM(BENCHMARK_SYM),0,0},