On Mar 25, 2013, at 1:20 PM, Michael Bayer wrote:
> MySQL reflects from the "SHOW CREATE TABLE" output, what does that say in
> this case ?
mysql> show create table component;
+-----------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Table | Create Table
|
+-----------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| component | CREATE TABLE `component` (
`id` int(11) NOT NULL,
`comp_type_id` int(11) NOT NULL,
`active_status_code` varchar(1) NOT NULL,
`title` varchar(255) NOT NULL,
`duration` varchar(10) NOT NULL,
`release_date` date DEFAULT NULL,
`seq_number` int(11) NOT NULL,
`amg_id` varchar(255) NOT NULL DEFAULT '',
`isrc` varchar(12) NOT NULL DEFAULT '',
`parental_advisory` tinyint(1) NOT NULL DEFAULT '0',
`item_number` int(11) NOT NULL DEFAULT '0',
`comp_code` varchar(255) NOT NULL DEFAULT '',
`cover_art` tinyint(1) NOT NULL DEFAULT '0',
`disk_number` int(11) NOT NULL DEFAULT '0',
`label_id` int(11) NOT NULL DEFAULT '0',
`muze_id` varchar(255) NOT NULL DEFAULT '',
`upc` varchar(255) NOT NULL DEFAULT '',
PRIMARY KEY (`id`),
KEY `seq_number_idx` (`seq_number`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 |
+-----------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.01 sec)
>
>
> On Mar 25, 2013, at 12:57 PM, Roy Smith <r...@panix.com> wrote:
>
>> Server version: 5.1.63-log MySQL Community Server (GPL)
>> SQLAlchemy==0.8.0
>>
>> I've got a table which has defaults on some columns. When I discover the
>> table, I get the column names and types, but not the defaults. What am I
>> doing wrong?
>>
>> mysql> describe component;
>> +--------------------+--------------+------+-----+---------+-------+
>> | Field | Type | Null | Key | Default | Extra |
>> +--------------------+--------------+------+-----+---------+-------+
>> | id | int(11) | NO | PRI | NULL | |
>> | comp_type_id | int(11) | NO | | NULL | |
>> | active_status_code | varchar(1) | NO | | NULL | |
>> | title | varchar(255) | NO | | NULL | |
>> | duration | varchar(10) | NO | | NULL | |
>> | release_date | date | YES | | NULL | |
>> | seq_number | int(11) | NO | MUL | NULL | |
>> | amg_id | varchar(255) | NO | | | |
>> | isrc | varchar(12) | NO | | | |
>> | parental_advisory | tinyint(1) | NO | | 0 | |
>> | item_number | int(11) | NO | | 0 | |
>> | comp_code | varchar(255) | NO | | | |
>> | cover_art | tinyint(1) | NO | | 0 | |
>> | disk_number | int(11) | NO | | 0 | |
>> | label_id | int(11) | NO | | 0 | |
>> | muze_id | varchar(255) | NO | | | |
>> | upc | varchar(255) | NO | | | |
>> +--------------------+--------------+------+-----+---------+-------+
>>
>> from sqlalchemy.schema import MetaData
>> credentials = {...}
>> url = "mysql://{user}:{password}@{host}/{database}".format(**credentials)
>> metadata = MetaData(url)
>> metadata.reflect()
>> for column in metadata.tables['component'].columns:
>> print "%s: %s %s" % (column.name, column.type, column.default)
>>
>> prints:
>>
>> id: INTEGER(11) None
>> comp_type_id: INTEGER(11) None
>> active_status_code: VARCHAR(1) None
>> title: VARCHAR(255) None
>> duration: VARCHAR(10) None
>> release_date: DATE None
>> seq_number: INTEGER(11) None
>> amg_id: VARCHAR(255) None
>> isrc: VARCHAR(12) None
>> parental_advisory: TINYINT(1) None
>> item_number: INTEGER(11) None
>> comp_code: VARCHAR(255) None
>> cover_art: TINYINT(1) None
>> disk_number: INTEGER(11) None
>> label_id: INTEGER(11) None
>> muze_id: VARCHAR(255) None
>> upc: VARCHAR(255) None
>>
>>
>>
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>>
>
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---
Roy Smith
r...@panix.com
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