Hi,
Newbie here, so please be kind...
I decided to try out the foreign keys (REFERENCES tabel(column) in CREATE
TABLE) and I hit two problems. Maybe it's my clumsiness with search
specification, but I couldn't find answers in the archive. Oh, I tried it
on InnoDB tables created just for this test. So here goes:
First problem: SHOW CREATE does _not_ use the same syntax I did when
creating tables - it omits "REFERENCES..." completely. This is not a big
deal, I can just add those in the scripts if I need them, but it is
somewhat worrisome;
Second problem - and this is a big one - after I looked around in those
tables, inserting, selecting and updating data, I disconnected from the DB,
disconnected from the server and shut down the client. Until then I _could_
see the table structures, the fact they were InnoDB type, column
definitions, and so on. I did also see "free space" and so on. When I came
back after dinner and connected back... no such luck. Any attempt to get
any rows out (like SELECT * FROM `table_name`) gives me:
[FLOW11 as tomek] ERROR 1016: Can't open file: 'table_name.InnoDB'. (errno: 1)
I can't see structure, number of rows, free space, table type, size,
nothing. Logged out and in using different (sufficiently privileged) names
- no cigar. Looked through the hostname.err log - nothing there, as well.
Disconnected the client, shut down the MySQL - nothing seems wrong. It
started back without complaint as well - but I still can't see my tables...
I checked mysql database -everything is working as expected, things show up...
In a way I hope it is a FAQ, in which case I would appreciate a gentle
nudge. In case it's not, though, Is there something glaring I did/didn't do?
MySQL is 4.0.1-alpha-log on Linux 2.2.17 installed from RPM downloaded from
MySQL site. Here is how I created one of the tables in question (in a new
database):
CREATE TABLE `ALBUM` (
`Ix` int(11) NOT NULL auto_increment,
`Title` varchar(255) binary default NULL,
`Released` date default NULL,
`Billing` int(11) REFERENCES PERFORMER(Ix),
`Tracks` int(11) REFERENCES TRACK(Ix),
`Remarks` blob,
`Live` enum('Live','Studio','Both','Unknown') default 'Unknown',
`Compilation` enum('Yes','No') default No,
`RecordedFrom` date default NULL,
`RecordedTo` date default NULL,
`Company` varchar(255) binary default NULL,
`ID` tinytext,
PRIMARY KEY (`Ix`)
) TYPE=InnoDB;
The rest of them were similar.
Speak up, sages, I'm hanging on Your... well, fingers, in this case ;)
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sql, query
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