Commit 56d3c792 authored by Andrew McDonnell's avatar Andrew McDonnell

Deal with properly

parent dedd51e4
DROP TABLE IF EXISTS graph_base;
DROP TABLE IF EXISTS graph;
DROP TABLE IF EXISTS graph2;
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 * from graph where latch is null;
latch origid destid weight seq linkid
NULL 1 2 1 NULL NULL
NULL 2 1 1 NULL NULL
NULL 1 3 1 NULL NULL
NULL 3 1 1 NULL NULL
NULL 3 4 1 NULL NULL
NULL 4 3 1 NULL NULL
NULL 5 6 1 NULL NULL
NULL 6 5 1 NULL NULL
select * from graph where latch is null and origid=1;
latch origid destid weight seq linkid
NULL 1 NULL 1 2 3
NULL 1 NULL 1 1 2
select * from graph where latch is null and destid=2;
latch origid destid weight seq linkid
NULL NULL 2 1 1 1
DROP TABLE graph_base;
DROP TABLE graph;
......@@ -31,6 +31,8 @@ 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 * from graph where latch is null;
select * from graph where latch is null and origid=1;
select * from graph where latch is null and destid=2;
DROP TABLE graph_base;
DROP TABLE graph;
......
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