EVOLUTION-MANAGER

Edit File: regression_796647b.test

--disable_warnings
DROP TABLE IF EXISTS graph_base;
DROP TABLE IF EXISTS graph;
--enable_warnings

# Create the backing store
CREATE TABLE graph_base (
    from_id INT UNSIGNED NOT NULL,
    to_id INT UNSIGNED NOT NULL,
    PRIMARY KEY (from_id,to_id),
    INDEX (to_id)
  ) ENGINE=MyISAM;

CREATE TABLE graph (
    latch   VARCHAR(32) NULL,
    origid  BIGINT    UNSIGNED NULL,
    destid  BIGINT    UNSIGNED NULL,
    weight  DOUBLE    NULL,
    seq     BIGINT    UNSIGNED NULL,
    linkid  BIGINT    UNSIGNED NULL,
    KEY (latch, origid, destid) USING HASH,
    KEY (latch, destid, origid) USING HASH
  ) ENGINE=OQGRAPH DATA_TABLE='graph_base' ORIGID='from_id', DESTID='to_id';

INSERT INTO graph_base(from_id, to_id) VALUES (1,2), (2,1);
INSERT INTO graph_base(from_id, to_id) VALUES (1,3), (3,1);
INSERT INTO graph_base(from_id, to_id) VALUES (3,4), (4,3);
INSERT INTO graph_base(from_id, to_id) VALUES (5,6), (6,5);

SELECT count(*) FROM graph;
SELECT count(*) FROM graph_base;

INSERT INTO graph_base(from_id, to_id) VALUES (5,7);
INSERT INTO graph_base(from_id, to_id) VALUES (9,9);
INSERT INTO graph_base(from_id, to_id) VALUES (10,11);
INSERT INTO graph_base(from_id, to_id) VALUES (11,12);
INSERT INTO graph_base(from_id, to_id) VALUES (12,10);

SELECT count(*) FROM graph;
SELECT count(*) FROM graph_base;

INSERT INTO graph_base(from_id, to_id) VALUES (11,13);
INSERT INTO graph_base(from_id, to_id) VALUES (10,14);
INSERT INTO graph_base(from_id, to_id) VALUES (14,13);

SELECT count(*) FROM graph;
SELECT count(*) FROM graph_base;

DELETE FROM graph_base where from_id=10 and to_id=11;
INSERT INTO graph_base(from_id, to_id) VALUES (10,15);
INSERT INTO graph_base(from_id, to_id) VALUES (15,13);
INSERT INTO graph_base(from_id, to_id) VALUES (10,11);

SELECT count(*) FROM graph;
SELECT count(*) FROM graph_base;

INSERT INTO graph_base(from_id, to_id) VALUES (21,22);
INSERT INTO graph_base(from_id, to_id) VALUES (4,17);
INSERT INTO graph_base(from_id, to_id) VALUES (4,16);
INSERT INTO graph_base(from_id, to_id) VALUES (17,18);
INSERT INTO graph_base (from_id,to_id) VALUES (4,6);

#-- Without this when the line immediately after gets executed
#-- we get a segfault
SELECT count(*) FROM graph;
SELECT count(*) FROM graph_base;
SELECT * from graph;
SELECT * from graph where latch='0';
SELECT * from graph_base;

--echo # And delete all references to node 5
DELETE FROM graph_base WHERE from_id=5;
DELETE FROM graph_base WHERE from_id=3 AND to_id=5;

#-- The following queries would currently return incorrect results
#-- 6 rows instead of 21
#-- Maybe manifestation of https://bugs.launchpad.net/oqgraph/+bug/796647
--echo # This is currently bogus:
SELECT count(*) FROM graph;
SELECT count(*) FROM graph_base;
SELECT * from graph;
SELECT * from graph where latch='0';
SELECT * from graph_base;

DELETE FROM graph_base;

#-- The following line would hang mysqld currently, see bug https://bugs.launchpad.net/oqgraph/+bug/1195735
#-- SELECT * FROM graph;

FLUSH TABLES;
TRUNCATE TABLE graph_base;

DROP TABLE graph_base;
DROP TABLE graph;