diff options
| -rw-r--r-- | mysql-test/r/gis.result | 44 | ||||
| -rw-r--r-- | mysql-test/t/gis.test | 36 | ||||
| -rw-r--r-- | sql/item_geofunc.cc | 29 | ||||
| -rw-r--r-- | sql/item_geofunc.h | 37 | ||||
| -rw-r--r-- | sql/spatial.cc | 13 | ||||
| -rw-r--r-- | sql/spatial.h | 4 |
6 files changed, 136 insertions, 27 deletions
diff --git a/mysql-test/r/gis.result b/mysql-test/r/gis.result index ce2b5deadbd..de7e44ed7b2 100644 --- a/mysql-test/r/gis.result +++ b/mysql-test/r/gis.result @@ -578,7 +578,7 @@ create table t1 select POINT(1,3); show create table t1; Table Create Table t1 CREATE TABLE `t1` ( - `POINT(1,3)` longblob NOT NULL + `POINT(1,3)` longblob ) ENGINE=MyISAM DEFAULT CHARSET=latin1 drop table t1; CREATE TABLE `t1` (`object_id` bigint(20) unsigned NOT NULL default '0', `geo` @@ -677,3 +677,45 @@ load data infile '../../std_data/bad_gis_data.dat' into table t1; ERROR 01000: Data truncated; NULL supplied to NOT NULL column 'b' at row 1 alter table t1 enable keys; drop table t1; +create table t1 (a int, b blob); +insert into t1 values (1, ''), (2, NULL), (3, '1'); +select * from t1; +a b +1 +2 NULL +3 1 +select +geometryfromtext(b) IS NULL, geometryfromwkb(b) IS NULL, astext(b) IS NULL, +aswkb(b) IS NULL, geometrytype(b) IS NULL, centroid(b) IS NULL, +envelope(b) IS NULL, startpoint(b) IS NULL, endpoint(b) IS NULL, +exteriorring(b) IS NULL, pointn(b, 1) IS NULL, geometryn(b, 1) IS NULL, +interiorringn(b, 1) IS NULL, multipoint(b) IS NULL, isempty(b) IS NULL, +issimple(b) IS NULL, isclosed(b) IS NULL, dimension(b) IS NULL, +numgeometries(b) IS NULL, numinteriorrings(b) IS NULL, numpoints(b) IS NULL, +area(b) IS NULL, glength(b) IS NULL, srid(b) IS NULL, x(b) IS NULL, +y(b) IS NULL +from t1; +geometryfromtext(b) IS NULL geometryfromwkb(b) IS NULL astext(b) IS NULL aswkb(b) IS NULL geometrytype(b) IS NULL centroid(b) IS NULL envelope(b) IS NULL startpoint(b) IS NULL endpoint(b) IS NULL exteriorring(b) IS NULL pointn(b, 1) IS NULL geometryn(b, 1) IS NULL interiorringn(b, 1) IS NULL multipoint(b) IS NULL isempty(b) IS NULL issimple(b) IS NULL isclosed(b) IS NULL dimension(b) IS NULL numgeometries(b) IS NULL numinteriorrings(b) IS NULL numpoints(b) IS NULL area(b) IS NULL glength(b) IS NULL srid(b) IS NULL x(b) IS NULL y(b) IS NULL +1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 +1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 +1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 +select +within(b, b) IS NULL, contains(b, b) IS NULL, overlaps(b, b) IS NULL, +equals(b, b) IS NULL, disjoint(b, b) IS NULL, touches(b, b) IS NULL, +intersects(b, b) IS NULL, crosses(b, b) IS NULL +from t1; +within(b, b) IS NULL contains(b, b) IS NULL overlaps(b, b) IS NULL equals(b, b) IS NULL disjoint(b, b) IS NULL touches(b, b) IS NULL intersects(b, b) IS NULL crosses(b, b) IS NULL +1 1 1 1 1 1 1 1 +1 1 1 1 1 1 1 1 +1 1 1 1 1 1 1 1 +select +point(b, b) IS NULL, linestring(b) IS NULL, polygon(b) IS NULL, multipoint(b) IS NULL, +multilinestring(b) IS NULL, multipolygon(b) IS NULL, +geometrycollection(b) IS NULL +from t1; +point(b, b) IS NULL linestring(b) IS NULL polygon(b) IS NULL multipoint(b) IS NULL multilinestring(b) IS NULL multipolygon(b) IS NULL geometrycollection(b) IS NULL +0 1 1 1 1 1 1 +1 1 1 1 1 1 1 +0 1 1 1 1 1 1 +drop table t1; +End of 4.1 tests diff --git a/mysql-test/t/gis.test b/mysql-test/t/gis.test index 1ae4f0ae62f..6bd0db92152 100644 --- a/mysql-test/t/gis.test +++ b/mysql-test/t/gis.test @@ -377,4 +377,38 @@ load data infile '../../std_data/bad_gis_data.dat' into table t1; alter table t1 enable keys; drop table t1; -# End of 4.1 tests +# +# Bug #26038: is null and bad data +# + +create table t1 (a int, b blob); +insert into t1 values (1, ''), (2, NULL), (3, '1'); +select * from t1; + +select + geometryfromtext(b) IS NULL, geometryfromwkb(b) IS NULL, astext(b) IS NULL, + aswkb(b) IS NULL, geometrytype(b) IS NULL, centroid(b) IS NULL, + envelope(b) IS NULL, startpoint(b) IS NULL, endpoint(b) IS NULL, + exteriorring(b) IS NULL, pointn(b, 1) IS NULL, geometryn(b, 1) IS NULL, + interiorringn(b, 1) IS NULL, multipoint(b) IS NULL, isempty(b) IS NULL, + issimple(b) IS NULL, isclosed(b) IS NULL, dimension(b) IS NULL, + numgeometries(b) IS NULL, numinteriorrings(b) IS NULL, numpoints(b) IS NULL, + area(b) IS NULL, glength(b) IS NULL, srid(b) IS NULL, x(b) IS NULL, + y(b) IS NULL +from t1; + +select + within(b, b) IS NULL, contains(b, b) IS NULL, overlaps(b, b) IS NULL, + equals(b, b) IS NULL, disjoint(b, b) IS NULL, touches(b, b) IS NULL, + intersects(b, b) IS NULL, crosses(b, b) IS NULL +from t1; + +select + point(b, b) IS NULL, linestring(b) IS NULL, polygon(b) IS NULL, multipoint(b) IS NULL, + multilinestring(b) IS NULL, multipolygon(b) IS NULL, + geometrycollection(b) IS NULL +from t1; + +drop table t1; + +--echo End of 4.1 tests diff --git a/sql/item_geofunc.cc b/sql/item_geofunc.cc index 6bd2e65632f..6cb8c790319 100644 --- a/sql/item_geofunc.cc +++ b/sql/item_geofunc.cc @@ -30,6 +30,7 @@ void Item_geometry_func::fix_length_and_dec() collation.set(&my_charset_bin); decimals=0; max_length=MAX_BLOB_WIDTH; + maybe_null= 1; } @@ -109,6 +110,7 @@ String *Item_func_as_wkt::val_str(String *str) void Item_func_as_wkt::fix_length_and_dec() { max_length=MAX_BLOB_WIDTH; + maybe_null= 1; } @@ -356,7 +358,8 @@ String *Item_func_spatial_collection::val_str(String *str) for (i= 0; i < arg_count; ++i) { String *res= args[i]->val_str(&arg_value); - if (args[i]->null_value) + uint32 len; + if (args[i]->null_value || ((len= res->length()) < WKB_HEADER_SIZE)) goto err; if (coll_type == Geometry::wkb_geometrycollection) @@ -365,13 +368,12 @@ String *Item_func_spatial_collection::val_str(String *str) In the case of GeometryCollection we don't need any checkings for item types, so just copy them into target collection */ - if (str->append(res->ptr(), res->length(), (uint32) 512)) + if (str->append(res->ptr(), len, (uint32) 512)) goto err; } else { enum Geometry::wkbType wkb_type; - uint32 len=res->length(); const char *data= res->ptr() + 1; /* @@ -379,8 +381,6 @@ String *Item_func_spatial_collection::val_str(String *str) are of specific type, let's do this checking now */ - if (len < 5) - goto err; wkb_type= (Geometry::wkbType) uint4korr(data); data+= 4; len-= 5; @@ -502,9 +502,13 @@ longlong Item_func_spatial_rel::val_int() longlong Item_func_isempty::val_int() { DBUG_ASSERT(fixed == 1); - String tmp; - null_value=0; - return args[0]->null_value ? 1 : 0; + String tmp; + String *swkb= args[0]->val_str(&tmp); + Geometry_buffer buffer; + + null_value= args[0]->null_value || + !(Geometry::construct(&buffer, swkb->ptr(), swkb->length())); + return null_value ? 1 : 0; } @@ -512,10 +516,11 @@ longlong Item_func_issimple::val_int() { DBUG_ASSERT(fixed == 1); String tmp; - String *wkb=args[0]->val_str(&tmp); - - if ((null_value= (!wkb || args[0]->null_value))) - return 0; + String *swkb= args[0]->val_str(&tmp); + Geometry_buffer buffer; + + null_value= args[0]->null_value || + !(Geometry::construct(&buffer, swkb->ptr(), swkb->length())); /* TODO: Ramil or Holyfoot, add real IsSimple calculation */ return 0; } diff --git a/sql/item_geofunc.h b/sql/item_geofunc.h index a466b606dc1..2719cbb0bab 100644 --- a/sql/item_geofunc.h +++ b/sql/item_geofunc.h @@ -33,6 +33,7 @@ public: Item_geometry_func(List<Item> &list) :Item_str_func(list) {} void fix_length_and_dec(); enum_field_types field_type() const { return MYSQL_TYPE_GEOMETRY; } + bool is_null() { (void) val_int(); return null_value; } }; class Item_func_geometry_from_text: public Item_geometry_func @@ -80,6 +81,7 @@ public: void fix_length_and_dec() { max_length=20; // "GeometryCollection" is the most long + maybe_null= 1; }; }; @@ -221,6 +223,8 @@ public: } } void print(String *str) { Item_func::print(str); } + void fix_length_and_dec() { maybe_null= 1; } + bool is_null() { (void) val_int(); return null_value; } }; class Item_func_isempty: public Item_bool_func @@ -230,6 +234,7 @@ public: longlong val_int(); optimize_type select_optimize() const { return OPTIMIZE_NONE; } const char *func_name() const { return "isempty"; } + void fix_length_and_dec() { maybe_null= 1; } }; class Item_func_issimple: public Item_bool_func @@ -239,6 +244,7 @@ public: longlong val_int(); optimize_type select_optimize() const { return OPTIMIZE_NONE; } const char *func_name() const { return "issimple"; } + void fix_length_and_dec() { maybe_null= 1; } }; class Item_func_isclosed: public Item_bool_func @@ -248,6 +254,7 @@ public: longlong val_int(); optimize_type select_optimize() const { return OPTIMIZE_NONE; } const char *func_name() const { return "isclosed"; } + void fix_length_and_dec() { maybe_null= 1; } }; class Item_func_dimension: public Item_int_func @@ -257,7 +264,7 @@ 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; } + void fix_length_and_dec() { max_length= 10; maybe_null= 1; } }; class Item_func_x: public Item_real_func @@ -267,6 +274,11 @@ public: Item_func_x(Item *a): Item_real_func(a) {} double val(); const char *func_name() const { return "x"; } + void fix_length_and_dec() + { + Item_real_func::fix_length_and_dec(); + maybe_null= 1; + } }; @@ -277,6 +289,11 @@ public: Item_func_y(Item *a): Item_real_func(a) {} double val(); const char *func_name() const { return "y"; } + void fix_length_and_dec() + { + Item_real_func::fix_length_and_dec(); + maybe_null= 1; + } }; @@ -287,7 +304,7 @@ 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; } + void fix_length_and_dec() { max_length= 10; maybe_null= 1; } }; @@ -298,7 +315,7 @@ public: Item_func_numinteriorring(Item *a): Item_int_func(a) {} longlong val_int(); const char *func_name() const { return "numinteriorrings"; } - void fix_length_and_dec() { max_length=10; } + void fix_length_and_dec() { max_length= 10; maybe_null= 1; } }; @@ -309,7 +326,7 @@ 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; } + void fix_length_and_dec() { max_length= 10; maybe_null= 1; } }; @@ -320,6 +337,11 @@ public: Item_func_area(Item *a): Item_real_func(a) {} double val(); const char *func_name() const { return "area"; } + void fix_length_and_dec() + { + Item_real_func::fix_length_and_dec(); + maybe_null= 1; + } }; @@ -330,6 +352,11 @@ public: Item_func_glength(Item *a): Item_real_func(a) {} double val(); const char *func_name() const { return "glength"; } + void fix_length_and_dec() + { + Item_real_func::fix_length_and_dec(); + maybe_null= 1; + } }; @@ -340,7 +367,7 @@ 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; } + void fix_length_and_dec() { max_length= 10; maybe_null= 1; } }; #define GEOM_NEW(obj_constructor) new obj_constructor diff --git a/sql/spatial.cc b/sql/spatial.cc index 684f7e9ecf3..4e17e766090 100644 --- a/sql/spatial.cc +++ b/sql/spatial.cc @@ -210,23 +210,24 @@ static uint32 wkb_get_uint(const char *ptr, Geometry::wkbByteOrder bo) } -int Geometry::create_from_wkb(Geometry_buffer *buffer, - const char *wkb, uint32 len, String *res) +Geometry *Geometry::create_from_wkb(Geometry_buffer *buffer, + const char *wkb, uint32 len, String *res) { uint32 geom_type; Geometry *geom; if (len < WKB_HEADER_SIZE) - return 1; + return NULL; geom_type= wkb_get_uint(wkb+1, (wkbByteOrder)wkb[0]); if (!(geom= create_by_typeid(buffer, (int) geom_type)) || res->reserve(WKB_HEADER_SIZE, 512)) - return 1; + return NULL; res->q_append((char) wkb_ndr); res->q_append(geom_type); - return geom->init_from_wkb(wkb+WKB_HEADER_SIZE, len - WKB_HEADER_SIZE, - (wkbByteOrder) wkb[0], res); + + return geom->init_from_wkb(wkb + WKB_HEADER_SIZE, len - WKB_HEADER_SIZE, + (wkbByteOrder) wkb[0], res) ? geom : NULL; } diff --git a/sql/spatial.h b/sql/spatial.h index 378233a2156..553544d4c3f 100644 --- a/sql/spatial.h +++ b/sql/spatial.h @@ -244,8 +244,8 @@ public: static Geometry *create_from_wkt(Geometry_buffer *buffer, Gis_read_stream *trs, String *wkt, bool init_stream=1); - static int create_from_wkb(Geometry_buffer *buffer, - const char *wkb, uint32 len, String *res); + static Geometry *create_from_wkb(Geometry_buffer *buffer, const char *wkb, + uint32 len, String *res); int as_wkt(String *wkt, const char **end) { uint32 len= get_class_info()->m_name.length; |