EVOLUTION-MANAGER

Edit File: regression_1196027.test

# Regression test for https://bugs.launchpad.net/oqgraph/+bug/1196027
#-- These were returning NULL which is incorrect
#-- https://bugs.launchpad.net/oqgraph/+bug/1196027
--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);

# All the following should return no result because no vertex 666 exists in the graph

SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 1;
SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 2;
SELECT * FROM graph WHERE latch = 'breadth_first' AND origid = 1;
SELECT * FROM graph WHERE latch = 'breadth_first' AND origid = 2;

SELECT * FROM graph WHERE latch = '2' AND destid = 1;
SELECT * FROM graph WHERE latch = '2' AND destid = 2;
SELECT * FROM graph WHERE latch = '2' AND origid = 1;
SELECT * FROM graph WHERE latch = '2' AND origid = 2;

DELETE FROM graph_base;
FLUSH TABLES;
TRUNCATE TABLE graph_base;

DROP TABLE graph_base;
DROP TABLE graph;