MDEV-7334 valgrind warning "unitialized bytes" in 10.1.

The 'srid' field's copying was missing in the copying Create_field::Create_field() constructor.

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 TABLE IF EXISTS t1, t2, t3, gis_point, gis_line, gis_polygon, gis_multi_point, gis_multi_line, gis_multi_polygon, gis_geometrycollection, gis_geometry;
 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);
@@ -1740,3 +1740,28 @@ t1	CREATE TABLE `t1` (
   `CONTAINS(NULL, NULL)` int(1) DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 DROP TABLE t1;
+#
+# MDEV-7334 valgrind warning "unitialized bytes" in 10.1.
+#
+CREATE TABLE t1 (
+gp  point,
+ln  linestring,
+pg  polygon,
+mp  multipoint,
+mln multilinestring,
+mpg multipolygon,
+gc  geometrycollection,
+gm  geometry
+);
+ALTER TABLE t1 ADD fid INT NOT NULL;
+select SRID from information_schema.geometry_columns where F_TABLE_NAME='t1';
+SRID
+0
+0
+0
+0
+0
+0
+0
+0
+drop table t1;

mysql-test/t/gis.test

@@ -6,7 +6,7 @@
 #
 
 --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 TABLE IF EXISTS t1, t2, t3, gis_point, gis_line, gis_polygon, gis_multi_point, gis_multi_line, gis_multi_polygon, gis_geometrycollection, gis_geometry;
 --enable_warnings
 
 CREATE TABLE gis_point  (fid INTEGER NOT NULL PRIMARY KEY, g POINT);
@@ -1467,3 +1467,22 @@ drop table t1;
 CREATE TABLE t1 AS SELECT CONTAINS(NULL, NULL);
 SHOW CREATE TABLE t1;
 DROP TABLE t1;
+
+
+--echo #
+--echo # MDEV-7334 valgrind warning "unitialized bytes" in 10.1.
+--echo #
+CREATE TABLE t1 (
+  gp  point,
+  ln  linestring,
+  pg  polygon,
+  mp  multipoint,
+  mln multilinestring,
+  mpg multipolygon,
+  gc  geometrycollection,
+  gm  geometry
+);
+ALTER TABLE t1 ADD fid INT NOT NULL;
+select SRID from information_schema.geometry_columns where F_TABLE_NAME='t1';
+drop table t1;
+

sql/field.cc

@@ -9902,6 +9902,7 @@ Create_field::Create_field(Field *old_field,Field *orig_field)
 #ifdef HAVE_SPATIAL
   case MYSQL_TYPE_GEOMETRY:
     geom_type= ((Field_geom*)old_field)->geom_type;
+    srid= ((Field_geom*)old_field)->srid;
     break;
 #endif
   case MYSQL_TYPE_YEAR: