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Fix for BUG#35570 "CHECKSUM TABLE unreliable if LINESTRING field (same content/ differen

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checksum)"

The problem was that checksum of GEOMETRY type used memory addresses
in the computation, making it un-repeatable thus useless.
(This patch is a backport from 6.0 branch)
This commit is contained in:
Kristofer Pettersson
2009-09-21 11:58:15 +02:00
parent 264c433d53
commit b2beff7415
3 changed files with 42 additions and 2 deletions
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19
mysql-test/r/myisam.result
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@@ -2252,4 +2252,23 @@ h+0 d + 0 e g + 0
1 1 3 0
1 1 4 0
DROP TABLE t1;
#
# Test of BUG#35570 CHECKSUM TABLE unreliable if LINESTRING field
# (same content / differen checksum)
#
CREATE TABLE t1 (line LINESTRING NOT NULL) engine=myisam;
INSERT INTO t1 VALUES (GeomFromText("POINT(0 0)"));
checksum table t1;
Table Checksum
test.t1 326284887
CREATE TABLE t2 (line LINESTRING NOT NULL) engine=myisam;
INSERT INTO t2 VALUES (GeomFromText("POINT(0 0)"));
checksum table t2;
Table Checksum
test.t2 326284887
CREATE TABLE t3 select * from t1;
checksum table t3;
Table Checksum
test.t3 326284887
drop table t1,t2,t3;
End of 5.1 tests