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Regression test for 1196036 dijkstra weights
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Andrew McDonnell
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103
mysql-test/suite/oqgraph/regression_1196036.result
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103
mysql-test/suite/oqgraph/regression_1196036.result
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DROP TABLE IF EXISTS graph_base;
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DROP TABLE IF EXISTS graph;
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CREATE TABLE graph_base (
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from_id INT UNSIGNED NOT NULL,
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to_id INT UNSIGNED NOT NULL,
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weight FLOAT NOT NULL,
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PRIMARY KEY (from_id,to_id),
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INDEX (to_id)
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) ENGINE=MyISAM;
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CREATE TABLE graph (
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latch VARCHAR(32) NULL,
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origid BIGINT UNSIGNED NULL,
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destid BIGINT UNSIGNED NULL,
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weight DOUBLE NULL,
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seq BIGINT UNSIGNED NULL,
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linkid BIGINT UNSIGNED NULL,
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KEY (latch, origid, destid) USING HASH,
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KEY (latch, destid, origid) USING HASH
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) ENGINE=OQGRAPH DATA_TABLE='graph_base' ORIGID='from_id', DESTID='to_id', WEIGHT='weight';
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INSERT INTO graph_base(from_id, to_id, weight) VALUES (1,2,16), (2,1,16);
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INSERT INTO graph_base(from_id, to_id, weight) VALUES (2,3,256), (3,2,256);
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INSERT INTO graph_base(from_id, to_id, weight) VALUES (3,4,65536), (4,3,65536);
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INSERT INTO graph_base(from_id, to_id, weight) VALUES (2,4,768);
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 1;
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latch origid destid weight seq linkid
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dijkstras 1 NULL 784 4 4
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dijkstras 1 NULL 272 3 3
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dijkstras 1 NULL 16 2 2
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dijkstras 1 NULL 0 1 1
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 2;
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latch origid destid weight seq linkid
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dijkstras 2 NULL 768 4 4
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dijkstras 2 NULL 256 3 3
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dijkstras 2 NULL 16 2 1
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dijkstras 2 NULL 0 1 2
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 3;
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latch origid destid weight seq linkid
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dijkstras 3 NULL 1024 4 4
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dijkstras 3 NULL 272 3 1
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dijkstras 3 NULL 256 2 2
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dijkstras 3 NULL 0 1 3
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SELECT * FROM graph WHERE latch = 'dijkstras' AND destid = 1;
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latch origid destid weight seq linkid
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dijkstras NULL 1 784 4 4
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dijkstras NULL 1 272 3 3
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dijkstras NULL 1 16 2 2
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dijkstras NULL 1 0 1 1
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SELECT * FROM graph WHERE latch = 'dijkstras' AND destid = 2;
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latch origid destid weight seq linkid
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dijkstras NULL 2 768 4 4
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dijkstras NULL 2 256 3 3
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dijkstras NULL 2 16 2 1
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dijkstras NULL 2 0 1 2
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SELECT * FROM graph WHERE latch = 'dijkstras' AND destid = 3;
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latch origid destid weight seq linkid
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dijkstras NULL 3 1024 4 4
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dijkstras NULL 3 272 3 1
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dijkstras NULL 3 256 2 2
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dijkstras NULL 3 0 1 3
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 1 and destid=3;
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latch origid destid weight seq linkid
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dijkstras 1 3 NULL 0 1
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dijkstras 1 3 16 1 2
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dijkstras 1 3 256 2 3
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 1 and destid=4;
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latch origid destid weight seq linkid
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dijkstras 1 4 NULL 0 1
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dijkstras 1 4 16 1 2
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dijkstras 1 4 768 2 4
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 1 and weight=1;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 2 and weight=1;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 3 and weight=1;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 1 and weight=16;
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latch origid destid weight seq linkid
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dijkstras 1 NULL 16 2 2
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 2 and weight=16;
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latch origid destid weight seq linkid
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dijkstras 2 NULL 16 2 1
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 3 and weight=16;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 1 and weight=784;
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latch origid destid weight seq linkid
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dijkstras 1 NULL 784 4 4
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 2 and weight=784;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 3 and weight=784;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 1 and weight=256;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 2 and weight=256;
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latch origid destid weight seq linkid
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dijkstras 2 NULL 256 3 3
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 3 and weight=256;
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latch origid destid weight seq linkid
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dijkstras 3 NULL 256 2 2
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DELETE FROM graph_base;
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FLUSH TABLES;
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TRUNCATE TABLE graph_base;
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DROP TABLE graph_base;
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DROP TABLE graph;
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68
mysql-test/suite/oqgraph/regression_1196036.test
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68
mysql-test/suite/oqgraph/regression_1196036.test
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# Regression test for https://bugs.launchpad.net/oqgraph/+bug/1196036
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#-- bug with Djikstras algorithm - find reachable vertices (origid=X) returns weight=0 instead of weight=count of hops
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--disable_warnings
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DROP TABLE IF EXISTS graph_base;
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DROP TABLE IF EXISTS graph;
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--enable_warnings
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# Create the backing store
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CREATE TABLE graph_base (
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from_id INT UNSIGNED NOT NULL,
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to_id INT UNSIGNED NOT NULL,
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weight FLOAT NOT NULL,
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PRIMARY KEY (from_id,to_id),
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INDEX (to_id)
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) ENGINE=MyISAM;
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CREATE TABLE graph (
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latch VARCHAR(32) NULL,
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origid BIGINT UNSIGNED NULL,
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destid BIGINT UNSIGNED NULL,
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weight DOUBLE NULL,
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seq BIGINT UNSIGNED NULL,
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linkid BIGINT UNSIGNED NULL,
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KEY (latch, origid, destid) USING HASH,
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KEY (latch, destid, origid) USING HASH
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) ENGINE=OQGRAPH DATA_TABLE='graph_base' ORIGID='from_id', DESTID='to_id', WEIGHT='weight';
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INSERT INTO graph_base(from_id, to_id, weight) VALUES (1,2,16), (2,1,16);
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INSERT INTO graph_base(from_id, to_id, weight) VALUES (2,3,256), (3,2,256);
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INSERT INTO graph_base(from_id, to_id, weight) VALUES (3,4,65536), (4,3,65536);
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INSERT INTO graph_base(from_id, to_id, weight) VALUES (2,4,768);
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 1;
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 2;
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 3;
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SELECT * FROM graph WHERE latch = 'dijkstras' AND destid = 1;
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SELECT * FROM graph WHERE latch = 'dijkstras' AND destid = 2;
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SELECT * FROM graph WHERE latch = 'dijkstras' AND destid = 3;
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 1 and destid=3;
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 1 and destid=4;
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 1 and weight=1; # <-- should return nothing
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 2 and weight=1; # <-- should return nothing
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 3 and weight=1; # <-- should return nothing
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 1 and weight=16;
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 2 and weight=16;
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 3 and weight=16; # <-- should return nothing
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 1 and weight=784;
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 2 and weight=784; # <-- should return nothing
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 3 and weight=784; # <-- should return nothing
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 1 and weight=256; # <-- should return nothing
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 2 and weight=256;
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SELECT * FROM graph WHERE latch = 'dijkstras' AND origid = 3 and weight=256;
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DELETE FROM graph_base;
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FLUSH TABLES;
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TRUNCATE TABLE graph_base;
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DROP TABLE graph_base;
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DROP TABLE graph;
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