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, 0 insertions, 422 deletions

diff --git a/sql/item_strfunc.cc b/sql/item_strfunc.cc
index ae48aeb115a..06569095018 100644
--- a/sql/item_strfunc.cc
+++ b/sql/item_strfunc.cc
@@ -2522,428 +2522,6 @@ null:
   return 0;
 }
 
-
-/*******************************************************
-General functions for spatial objects
-********************************************************/
-
-String *Item_func_geometry_from_text::val_str(String *str)
-{
-  Geometry geom;
-  String arg_val;
-  String *wkt= args[0]->val_str(&arg_val);
-  GTextReadStream trs(wkt->ptr(), wkt->length());
-  uint32 srid;
-
-  if ((arg_count == 2) && !args[1]->null_value)
-    srid= args[1]->val_int();
-  else
-    srid= 0;
-
-  if (str->reserve(SRID_SIZE, 512))
-    return 0;
-  str->length(0);
-  str->q_append(srid);
-  if ((null_value=(args[0]->null_value || geom.create_from_wkt(&trs, str, 0))))
-    return 0;
-  return str;
-}
-
-
-void Item_func_geometry_from_text::fix_length_and_dec()
-{
-  max_length=MAX_BLOB_WIDTH;
-}
-
-
-String *Item_func_geometry_from_wkb::val_str(String *str)
-{
-  String arg_val;
-  String *wkb= args[0]->val_str(&arg_val);
-  Geometry geom;
-  uint32 srid;
-
-  if ((arg_count == 2) && !args[1]->null_value)
-    srid= args[1]->val_int();
-  else
-    srid= 0;
-
-  if (str->reserve(SRID_SIZE, 512))
-    return 0;
-  str->length(0);
-  str->q_append(srid);
-  if ((null_value= (args[0]->null_value ||
-		    geom.create_from_wkb(wkb->ptr(), wkb->length()))))
-    return 0;
-
-  str->append(*wkb);
-  return str;
-}
-
-
-void Item_func_geometry_from_wkb::fix_length_and_dec()
-{
-  max_length=MAX_BLOB_WIDTH;
-}
-
-
-String *Item_func_as_text::val_str(String *str)
-{
-  String arg_val;
-  String *swkb= args[0]->val_str(&arg_val);
-  Geometry geom;
-
-  if ((null_value= (args[0]->null_value ||
-		    geom.create_from_wkb(swkb->ptr() + SRID_SIZE,
-					 swkb->length() - SRID_SIZE))))
-    return 0;
-
-  str->length(0);
-
-  if ((null_value= geom.as_wkt(str)))
-    return 0;
-
-  return str;
-}
-
-void Item_func_as_text::fix_length_and_dec()
-{
-  max_length=MAX_BLOB_WIDTH;
-}
-
-String *Item_func_as_wkb::val_str(String *str)
-{
-  String arg_val;
-  String *swkb= args[0]->val_str(&arg_val);
-  Geometry geom;
-
-  if ((null_value= (args[0]->null_value ||
-		    geom.create_from_wkb(swkb->ptr() + SRID_SIZE,
-					 swkb->length() - SRID_SIZE))))
-    return 0;
-
-  str->copy(swkb->ptr() + SRID_SIZE, swkb->length() - SRID_SIZE,
-	    &my_charset_bin);
-  return str;
-}
-
-void Item_func_as_wkb::fix_length_and_dec()
-{
-  max_length= MAX_BLOB_WIDTH;
-}
-
-String *Item_func_geometry_type::val_str(String *str)
-{
-  String *swkb= args[0]->val_str(str);
-  Geometry geom;
-
-  if ((null_value= (args[0]->null_value ||
-		    geom.create_from_wkb(swkb->ptr() + SRID_SIZE,
-					 swkb->length() - SRID_SIZE))))
-    return 0;
-  str->copy(geom.get_class_info()->m_name,
-	    strlen(geom.get_class_info()->m_name),
-	    default_charset_info);
-  return str;
-}
-
-
-String *Item_func_envelope::val_str(String *str)
-{
-  String arg_val;
-  String *swkb= args[0]->val_str(&arg_val);
-  Geometry geom;
-  
-  if ((null_value= args[0]->null_value ||
-		   geom.create_from_wkb(swkb->ptr() + SRID_SIZE,
-					swkb->length() - SRID_SIZE)))
-    return 0;
-  
-  uint32 srid= uint4korr(swkb->ptr());
-  str->length(0);
-  if (str->reserve(SRID_SIZE, 512))
-    return 0;
-  str->q_append(srid);
-  return (null_value= geom.envelope(str)) ? 0 : str;
-}
-
-
-String *Item_func_centroid::val_str(String *str)
-{
-  String arg_val;
-  String *swkb= args[0]->val_str(&arg_val);
-  Geometry geom;
-
-  if ((null_value= args[0]->null_value ||
-		   geom.create_from_wkb(swkb->ptr() + SRID_SIZE,
-					swkb->length() - SRID_SIZE) ||
-		   !GEOM_METHOD_PRESENT(geom, centroid)))
-    return 0;
-
-  if (str->reserve(SRID_SIZE, 512))
-    return 0;
-  str->length(0);
-  uint32 srid= uint4korr(swkb->ptr());
-  str->q_append(srid);
-
-  return (null_value= geom.centroid(str)) ? 0 : str;
-}
-
-
-/***********************************************
-  Spatial decomposition functions
-***********************************************/
-
-String *Item_func_spatial_decomp::val_str(String *str)
-{
-  String arg_val;
-  String *swkb= args[0]->val_str(&arg_val);
-  Geometry geom;
-
-  if ((null_value= (args[0]->null_value ||
-		    geom.create_from_wkb(swkb->ptr() + SRID_SIZE,
-					 swkb->length() - SRID_SIZE))))
-    return 0;
-
-  null_value= 1;
-  if (str->reserve(SRID_SIZE, 512))
-    return 0;
-  str->length(0);
-  uint32 srid= uint4korr(swkb->ptr());
-  str->q_append(srid);
-  switch(decomp_func)
-  {
-    case SP_STARTPOINT:
-      if (!GEOM_METHOD_PRESENT(geom,start_point) || geom.start_point(str))
-        goto ret;
-      break;
-
-    case SP_ENDPOINT:
-      if (!GEOM_METHOD_PRESENT(geom,end_point) || geom.end_point(str))
-        goto ret;
-      break;
-
-    case SP_EXTERIORRING:
-      if (!GEOM_METHOD_PRESENT(geom,exterior_ring) || geom.exterior_ring(str))
-        goto ret;
-      break;
-
-    default:
-      goto ret;
-  }
-  null_value= 0;
-
-ret:
-  return null_value ? 0 : str;
-}
-
-
-String *Item_func_spatial_decomp_n::val_str(String *str)
-{
-  String arg_val;
-  String *swkb= args[0]->val_str(&arg_val);
-  long n= (long) args[1]->val_int();
-  Geometry geom;
-
-  if ((null_value= (args[0]->null_value || args[1]->null_value ||
-		    geom.create_from_wkb(swkb->ptr() + SRID_SIZE,
-					 swkb->length() - SRID_SIZE))))
-    return 0;
-
-  null_value= 1;
-  if (str->reserve(SRID_SIZE, 512))
-    return 0;
-  str->length(0);
-  uint32 srid= uint4korr(swkb->ptr());
-  str->q_append(srid);
-  switch(decomp_func_n)
-  {
-    case SP_POINTN:
-      if (!GEOM_METHOD_PRESENT(geom,point_n) || geom.point_n(n,str))
-        goto ret;
-      break;
-
-    case SP_GEOMETRYN:
-      if (!GEOM_METHOD_PRESENT(geom,geometry_n) || geom.geometry_n(n,str))
-        goto ret;
-      break;
-
-    case SP_INTERIORRINGN:
-      if (!GEOM_METHOD_PRESENT(geom,interior_ring_n) ||
-          geom.interior_ring_n(n,str))
-        goto ret;
-      break;
-
-    default:
-      goto ret;
-  }
-  null_value= 0;
-
-ret:
-  return null_value ? 0 : str;
-}
-
-
-
-/***********************************************
-Functions to concatinate various spatial objects
-************************************************/
-
-
-/*
-*  Concatinate doubles into Point
-*/
-
-
-String *Item_func_point::val_str(String *str)
-{
-  double x= args[0]->val();
-  double y= args[1]->val();
-
-  if ( (null_value= (args[0]->null_value ||
-		     args[1]->null_value ||
-		     str->realloc(1 + 4 + 8 + 8))))
-    return 0;
-
-  str->length(0);
-  str->q_append((char)Geometry::wkbNDR);
-  str->q_append((uint32)Geometry::wkbPoint);
-  str->q_append(x);
-  str->q_append(y);
-  return str;
-}
-
-
-/*
-  Concatinates various items into various collections
-  with checkings for valid wkb type of items.
-  For example, MultiPoint can be a collection of Points only.
-  coll_type contains wkb type of target collection.
-  item_type contains a valid wkb type of items.
-  In the case when coll_type is wkbGeometryCollection,
-  we do not check wkb type of items, any is valid.
-*/
-
-String *Item_func_spatial_collection::val_str(String *str)
-{
-  String arg_value;
-  uint i;
-
-  null_value= 1;
-
-  str->length(0);
-  if (str->reserve(1 + 4 + 4, 512))
-    return 0;
-
-  str->q_append((char) Geometry::wkbNDR);
-  str->q_append((uint32) coll_type);
-  str->q_append((uint32) arg_count);
-
-  for (i= 0; i < arg_count; ++i)
-  {
-    String *res= args[i]->val_str(&arg_value);
-    if (args[i]->null_value)
-      goto ret;
-
-    if ( coll_type == Geometry::wkbGeometryCollection )
-    {
-      /*
-         In the case of GeometryCollection we don't need
-         any checkings for item types, so just copy them
-         into target collection
-      */
-      if ((null_value= str->reserve(res->length(), 512)))
-        goto ret;
-
-      str->q_append(res->ptr(), res->length());
-    }
-    else
-    {
-      enum Geometry::wkbType wkb_type;
-      uint32 len=res->length();
-      const char *data= res->ptr() + 1;
-
-      /*
-         In the case of named collection we must to
-         check that items are of specific type, let's
-         do this checking now
-      */
-
-      if (len < 5)
-        goto ret;
-      wkb_type= (Geometry::wkbType) uint4korr(data);
-      data+= 4;
-      len-= 5;
-      if (wkb_type != item_type)
-        goto ret;
-
-      switch (coll_type) {
-      case Geometry::wkbMultiPoint:
-      case Geometry::wkbMultiLineString:
-      case Geometry::wkbMultiPolygon:
-	if (len < WKB_HEADER_SIZE)
-	  goto ret;
-
-	data-= WKB_HEADER_SIZE;
-	len+= WKB_HEADER_SIZE;
-	if (str->reserve(len, 512))
-	  goto ret;
-	str->q_append(data, len);
-	break;
-
-      case Geometry::wkbLineString:
-	if (str->reserve(POINT_DATA_SIZE, 512))
-	  goto ret;
-	str->q_append(data, POINT_DATA_SIZE);
-	break;
-
-      case Geometry::wkbPolygon:
-      {
-	uint32 n_points;
-	double x1, y1, x2, y2;
-
-	if (len < 4 + 2 * POINT_DATA_SIZE)
-	  goto ret;
-
-	uint32 llen= len;
-	const char *ldata= data;
-
-	n_points= uint4korr(data);
-	data+= 4;
-	float8get(x1, data);
-	data+= 8;
-	float8get(y1, data);
-	data+= 8;
-
-	data+= (n_points - 2) * POINT_DATA_SIZE;
-
-	float8get(x2, data);
-	float8get(y2, data + 8);
-
-	if ((x1 != x2) || (y1 != y2))
-	  goto ret;
-
-	if (str->reserve(llen, 512))
-	  goto ret;
-	str->q_append(ldata, llen);
-      }
-      break;
-
-      default:
-	goto ret;
-      }
-    }
-  }
-
-  if (str->length() > current_thd->variables.max_allowed_packet)
-    goto ret;
-
-  null_value = 0;
-
-ret:
-  return null_value ? 0 : str;
-}
-
 #ifdef HAVE_COMPRESS
 #include "../zlib/zlib.h"