branches/5.1: Fix bug #47777. Treat the Geometry data same as

Binary BLOB in ha_innobase::store_key_val_for_row(), since the
Geometry data is stored as Binary BLOB in Innodb.

Review: rb://180 approved by Marko Makela.

handler/ha_innodb.cc

@@ -3148,7 +3148,10 @@ ha_innobase::store_key_val_for_row(
 		} else if (mysql_type == MYSQL_TYPE_TINY_BLOB
 			|| mysql_type == MYSQL_TYPE_MEDIUM_BLOB
 			|| mysql_type == MYSQL_TYPE_BLOB
-			|| mysql_type == MYSQL_TYPE_LONG_BLOB) {
+			|| mysql_type == MYSQL_TYPE_LONG_BLOB
+			/* MYSQL_TYPE_GEOMETRY data is treated
+			as BLOB data in innodb. */
+			|| mysql_type == MYSQL_TYPE_GEOMETRY) {
 
 			CHARSET_INFO*	cs;
 			ulint		key_len;

mysql-test/innodb_bug47777.result

+create table bug47777(c2 linestring not null, primary key (c2(1))) engine=innodb;
+insert into bug47777 values (geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'));
+select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)');
+count(*)
+1
+update bug47777 set c2=GeomFromText('POINT(1 1)');
+select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)');
+count(*)
+0
+select count(*) from bug47777 where c2 = GeomFromText('POINT(1 1)');
+count(*)
+1
+drop table bug47777;

mysql-test/innodb_bug47777.test

+# This is the test for bug 47777. GEOMETRY
+# data is treated as BLOB data in innodb.
+# Consequently, its key value generation/storing
+# should follow the process for the BLOB
+# datatype as well.
+
+--source include/have_innodb.inc
+
+create table bug47777(c2 linestring not null, primary key (c2(1))) engine=innodb;
+
+insert into bug47777 values (geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'));
+
+# Verify correct row get inserted.
+select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)');
+
+# Update table bug47777 should be successful.
+update bug47777 set c2=GeomFromText('POINT(1 1)');
+
+# Verify the row get updated successfully. The original
+# c2 value should be changed to GeomFromText('POINT(1 1)').
+select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)');
+select count(*) from bug47777 where c2 = GeomFromText('POINT(1 1)');
+
+drop table bug47777;