Moved spatial functions to the sql/item_geofunc.cc file.

BitKeeper/etc/ignore:
  Added libmysqld/item_geofunc.cc to the ignore list

1 files changed, 360 insertions, 0 deletions

diff --git a/sql/item_geofunc.h b/sql/item_geofunc.h
new file mode 100644
index 00000000000..21e94735f31
--- /dev/null
+++ b/sql/item_geofunc.h
@@ -0,0 +1,360 @@
+/* Copyright (C) 2000-2003 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+
+/* This file defines all spatial functions */
+
+#ifdef __GNUC__
+#pragma interface			/* gcc class implementation */
+#endif
+
+#define SRID_SIZE sizeof(uint32)
+
+class Item_func_geometry_from_text: public Item_str_func
+{
+public:
+  Item_func_geometry_from_text(Item *a) :Item_str_func(a) {}
+  Item_func_geometry_from_text(Item *a, Item *srid) :Item_str_func(a, srid) {}
+  const char *func_name() const { return "geometryfromtext"; }
+  String *val_str(String *);
+  void fix_length_and_dec();
+};
+
+class Item_func_geometry_from_wkb: public Item_str_func
+{
+public:
+  Item_func_geometry_from_wkb(Item *a): Item_str_func(a) {}
+  Item_func_geometry_from_wkb(Item *a, Item *srid): Item_str_func(a, srid) {}
+  const char *func_name() const { return "geometryfromwkb"; }
+  String *val_str(String *);
+  void fix_length_and_dec();
+};
+
+class Item_func_as_text: public Item_str_func
+{
+public:
+  Item_func_as_text(Item *a): Item_str_func(a) {}
+  const char *func_name() const { return "astext"; }
+  String *val_str(String *);
+  void fix_length_and_dec();
+};
+
+class Item_func_as_wkb: public Item_str_func
+{
+public:
+  Item_func_as_wkb(Item *a): Item_str_func(a) {}
+  const char *func_name() const { return "aswkb"; }
+  String *val_str(String *);
+  void fix_length_and_dec();
+};
+
+class Item_func_geometry_type: public Item_str_func
+{
+public:
+  Item_func_geometry_type(Item *a): Item_str_func(a) {}
+  String *val_str(String *);
+  const char *func_name() const { return "geometrytype"; }
+  void fix_length_and_dec() 
+  {
+     max_length=20; // "GeometryCollection" is the most long
+  };
+};
+
+class Item_func_centroid: public Item_str_func
+{
+public:
+  Item_func_centroid(Item *a): Item_str_func(a) {}
+  const char *func_name() const { return "centroid"; }
+  String *val_str(String *);
+  void fix_length_and_dec(){max_length=MAX_BLOB_WIDTH;}
+};
+
+class Item_func_envelope: public Item_str_func
+{
+public:
+  Item_func_envelope(Item *a): Item_str_func(a) {}
+  const char *func_name() const { return "envelope"; }
+  String *val_str(String *);
+  void fix_length_and_dec(){max_length=MAX_BLOB_WIDTH;}
+};
+
+class Item_func_point: public Item_str_func
+{
+public:
+  Item_func_point(Item *a, Item *b): Item_str_func(a, b) {}
+  Item_func_point(Item *a, Item *b, Item *srid): Item_str_func(a, b, srid) {}
+  const char *func_name() const { return "point"; }
+  String *val_str(String *);
+  void fix_length_and_dec(){max_length=MAX_BLOB_WIDTH;}
+};
+
+class Item_func_spatial_decomp: public Item_str_func
+{
+  enum Functype decomp_func;
+public:
+  Item_func_spatial_decomp(Item *a, Item_func::Functype ft) :
+  	Item_str_func(a) { decomp_func = ft; }
+  const char *func_name() const 
+  { 
+    switch (decomp_func)
+    {
+      case SP_STARTPOINT:
+        return "startpoint";
+      case SP_ENDPOINT:
+        return "endpoint";
+      case SP_EXTERIORRING:
+        return "exteriorring";
+      default:
+        return "spatial_decomp_unknown"; 
+    }
+  }
+  String *val_str(String *);
+  void fix_length_and_dec(){max_length=MAX_BLOB_WIDTH;}
+};
+
+class Item_func_spatial_decomp_n: public Item_str_func
+{
+  enum Functype decomp_func_n;
+public:
+  Item_func_spatial_decomp_n(Item *a, Item *b, Item_func::Functype ft):
+  	Item_str_func(a, b) { decomp_func_n = ft; }
+  const char *func_name() const 
+  { 
+    switch (decomp_func_n)
+    {
+      case SP_POINTN:
+        return "pointn";
+      case SP_GEOMETRYN:
+        return "geometryn";
+      case SP_INTERIORRINGN:
+        return "interiorringn";
+      default:
+        return "spatial_decomp_n_unknown"; 
+    }
+  }
+  String *val_str(String *);
+  void fix_length_and_dec(){max_length=MAX_BLOB_WIDTH;}
+};
+
+class Item_func_spatial_collection: public Item_str_func
+{
+  String tmp_value;
+  enum Geometry::wkbType coll_type; 
+  enum Geometry::wkbType item_type;
+public:
+  Item_func_spatial_collection(
+     List<Item> &list, enum Geometry::wkbType ct, enum Geometry::wkbType it):
+  Item_str_func(list)
+  {
+    coll_type=ct;
+    item_type=it;
+  }
+  String *val_str(String *);
+  void fix_length_and_dec(){max_length=MAX_BLOB_WIDTH;}
+  const char *func_name() const { return "multipoint"; }
+};
+
+#ifdef HAVE_COMPRESS
+
+class Item_func_compress: public Item_str_func
+{
+  String buffer;
+public:
+  Item_func_compress(Item *a):Item_str_func(a){}
+  String *val_str(String *);
+  void fix_length_and_dec(){max_length= (args[0]->max_length*120)/100+12;}
+  const char *func_name() const{return "compress";}
+};
+
+class Item_func_uncompress: public Item_str_func 
+{
+  String buffer;
+public:
+  Item_func_uncompress(Item *a): Item_str_func(a){}
+  String *val_str(String *);
+  void fix_length_and_dec(){max_length= MAX_BLOB_WIDTH;}
+  const char *func_name() const{return "uncompress";}
+};
+
+#endif
+
+/*
+  Spatial relations
+*/
+
+class Item_func_spatial_rel: public Item_bool_func2
+{
+  enum Functype spatial_rel;
+public:
+  Item_func_spatial_rel(Item *a,Item *b, enum Functype sp_rel) :
+    Item_bool_func2(a,b) { spatial_rel = sp_rel; }
+  longlong val_int();
+  enum Functype functype() const 
+  { 
+    switch (spatial_rel) {
+    case SP_CONTAINS_FUNC:
+      return SP_WITHIN_FUNC;
+    case SP_WITHIN_FUNC:
+      return SP_CONTAINS_FUNC;
+    default:
+      return spatial_rel;
+    }
+  }
+  enum Functype rev_functype() const { return spatial_rel; }
+  const char *func_name() const 
+  { 
+    switch (spatial_rel) {
+    case SP_CONTAINS_FUNC:
+      return "contains";
+    case SP_WITHIN_FUNC:
+      return "within";
+    case SP_EQUALS_FUNC:
+      return "equals";
+    case SP_DISJOINT_FUNC:
+      return "disjoint";
+    case SP_INTERSECTS_FUNC:
+      return "intersects";
+    case SP_TOUCHES_FUNC:
+      return "touches";
+    case SP_CROSSES_FUNC:
+      return "crosses";
+    case SP_OVERLAPS_FUNC:
+      return "overlaps";
+    default:
+      return "sp_unknown"; 
+    }
+    }
+};
+
+class Item_func_isempty: public Item_bool_func
+{
+public:
+  Item_func_isempty(Item *a): Item_bool_func(a) {}
+  longlong val_int();
+  optimize_type select_optimize() const { return OPTIMIZE_NONE; }
+  const char *func_name() const { return "isempty"; }
+};
+
+class Item_func_issimple: public Item_bool_func
+{
+public:
+  Item_func_issimple(Item *a): Item_bool_func(a) {}
+  longlong val_int();
+  optimize_type select_optimize() const { return OPTIMIZE_NONE; }
+  const char *func_name() const { return "issimple"; }
+};
+
+class Item_func_isclosed: public Item_bool_func
+{
+public:
+  Item_func_isclosed(Item *a): Item_bool_func(a) {}
+  longlong val_int();
+  optimize_type select_optimize() const { return OPTIMIZE_NONE; }
+  const char *func_name() const { return "isclosed"; }
+};
+
+class Item_func_dimension: public Item_int_func
+{
+  String value;
+public:
+  Item_func_dimension(Item *a): Item_int_func(a) {}
+  longlong val_int();
+  const char *func_name() const { return "dimension"; }
+  void fix_length_and_dec() { max_length=10; }
+};
+
+class Item_func_x: public Item_real_func
+{
+  String value;
+public:
+  Item_func_x(Item *a): Item_real_func(a) {}
+  double val();
+  const char *func_name() const { return "x"; }
+};
+
+
+class Item_func_y: public Item_real_func
+{
+  String value;
+public:
+  Item_func_y(Item *a): Item_real_func(a) {}
+  double val();
+  const char *func_name() const { return "y"; }
+};
+
+
+class Item_func_numgeometries: public Item_int_func
+{
+  String value;
+public:
+  Item_func_numgeometries(Item *a): Item_int_func(a) {}
+  longlong val_int();
+  const char *func_name() const { return "numgeometries"; }
+  void fix_length_and_dec() { max_length=10; }
+};
+
+
+class Item_func_numinteriorring: public Item_int_func
+{
+  String value;
+public:
+  Item_func_numinteriorring(Item *a): Item_int_func(a) {}
+  longlong val_int();
+  const char *func_name() const { return "numinteriorring"; }
+  void fix_length_and_dec() { max_length=10; }
+};
+
+
+class Item_func_numpoints: public Item_int_func
+{
+  String value;
+public:
+  Item_func_numpoints(Item *a): Item_int_func(a) {}
+  longlong val_int();
+  const char *func_name() const { return "numpoints"; }
+  void fix_length_and_dec() { max_length=10; }
+};
+
+
+class Item_func_area: public Item_real_func
+{
+  String value;
+public:
+  Item_func_area(Item *a): Item_real_func(a) {}
+  double val();
+  const char *func_name() const { return "area"; }
+};
+
+
+class Item_func_glength: public Item_real_func
+{
+  String value;
+public:
+  Item_func_glength(Item *a): Item_real_func(a) {}
+  double val();
+  const char *func_name() const { return "glength"; }
+};
+
+
+class Item_func_srid: public Item_int_func
+{
+  String value;
+public:
+  Item_func_srid(Item *a): Item_int_func(a) {}
+  longlong val_int();
+  const char *func_name() const { return "srid"; }
+  void fix_length_and_dec() { max_length= 10; }
+};