MDEV-7779 View definition changes upon creation.

        Fixed by using POINT instead of ST_POINT in the item.
        Later need to fix that with proper ST_POINT implementation

mysql-test/r/gis.result

 DROP TABLE IF EXISTS t1, gis_point, gis_line, gis_polygon, gis_multi_point, gis_multi_line, gis_multi_polygon, gis_geometrycollection, gis_geometry;
+DROP VIEW IF EXISTS v1;
 CREATE TABLE gis_point  (fid INTEGER NOT NULL PRIMARY KEY, g POINT);
 CREATE TABLE gis_line  (fid INTEGER NOT NULL PRIMARY KEY, g LINESTRING);
 CREATE TABLE gis_polygon   (fid INTEGER NOT NULL PRIMARY KEY, g POLYGON);
@@ -489,7 +490,7 @@ explain extended select issimple(MultiPoint(Point(3, 6), Point(4, 10))), issimpl
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 Warnings:
-Note	1003	select st_issimple(st_multipoint(st_point(3,6),st_point(4,10))) AS `issimple(MultiPoint(Point(3, 6), Point(4, 10)))`,st_issimple(st_point(3,6)) AS `issimple(Point(3, 6))`
+Note	1003	select st_issimple(st_multipoint(point(3,6),point(4,10))) AS `issimple(MultiPoint(Point(3, 6), Point(4, 10)))`,st_issimple(point(3,6)) AS `issimple(Point(3, 6))`
 create table t1 (a geometry not null);
 insert into t1 values (GeomFromText('Point(1 2)'));
 insert into t1 values ('Garbage');
@@ -1610,4 +1611,11 @@ drop table t1;
 SELECT st_astext(ST_Buffer(ST_PolygonFromText('POLYGON((3 5, 2 4, 2 5, 3 5))'), -100));
 st_astext(ST_Buffer(ST_PolygonFromText('POLYGON((3 5, 2 4, 2 5, 3 5))'), -100))
 GEOMETRYCOLLECTION EMPTY
-End of 5.5 tests
+CREATE VIEW v1 AS SELECT POINT(1,1) AS p;
+SHOW CREATE VIEW v1;
+View	Create View	character_set_client	collation_connection
+v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select point(1,1) AS `p`	latin1	latin1_swedish_ci
+SELECT ASTEXT(p) FROM v1;
+ASTEXT(p)
+POINT(1 1)
+DROP VIEW v1;

mysql-test/t/gis.test

@@ -7,6 +7,7 @@
 
 --disable_warnings
 DROP TABLE IF EXISTS t1, gis_point, gis_line, gis_polygon, gis_multi_point, gis_multi_line, gis_multi_polygon, gis_geometrycollection, gis_geometry;
+DROP VIEW IF EXISTS v1;
 --enable_warnings
 
 CREATE TABLE gis_point  (fid INTEGER NOT NULL PRIMARY KEY, g POINT);
@@ -1470,4 +1471,12 @@ drop table t1;
 #
 SELECT st_astext(ST_Buffer(ST_PolygonFromText('POLYGON((3 5, 2 4, 2 5, 3 5))'), -100));
 
---echo End of 5.5 tests
+#
+# MDEV-7779 View definition changes upon creation
+#
+CREATE VIEW v1 AS SELECT POINT(1,1) AS p;
+SHOW CREATE VIEW v1;
+SELECT ASTEXT(p) FROM v1;
+DROP VIEW v1;
+
+# --echo End of 5.5 tests

sql/item_geofunc.h

@@ -116,7 +116,7 @@ class Item_func_point: public Item_geometry_func
 public:
   Item_func_point(Item *a, Item *b): Item_geometry_func(a, b) {}
   Item_func_point(Item *a, Item *b, Item *srid): Item_geometry_func(a, b, srid) {}
-  const char *func_name() const { return "st_point"; }
+  const char *func_name() const { return "point"; }
   String *val_str(String *);
   Field::geometry_type get_geometry_type() const;
 };