mysql-error-1170

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Problem in using TEXT field in mysql Table

This is very straight problem but I haven\'t figured out any solution yet. Scenario is I have 2 table in my DB. Source of 2nd table is dependent on 1st table\'s SOURCE_URL(can be more than 255 char so[详细]

2023-03-13 06:28 分类：问答
Mapping a @Lob valued Map

This is part of my model: @Entity public class Entry { @Id @GeneratedValue private long identifier; @ElementCollection[详细]

2023-02-06 01:55 分类：问答
What are the hibernate annotations used to persist a Map with an enumerated type as a key?

I am having trouble getting the right hibernate annotations to use on a Map with an enumerated class as a key.Here is a simplified (and extremely contrived) example.[详细]

2022-12-31 11:29 分类：问答
MySQL: How to make data unique for several rows in a table?

How would I do the following (interested only in how to do UNIQUE (ti开发者_运维技巧tle, description)) in phpMyAdmin?:[详细]

2022-12-22 02:08 分类：问答
MySQL error: key specification without a key length

I have a table with a primary key that is a varchar(255). Some cases have arisen where 255 characters isn\'t enough. I tried changing the field to a text, but I get the following error:[详细]

2022-12-13 03:11 分类：问答
Errors creating generic relations using content types (object_pk)

I am working to use django\'s ContentType framework to create some generic relations for a my models; after looking at how the django developers do it at django.contrib.comments.models I thought I wou[详细]

2022-12-10 00:38 分类：问答
Unable to create column in MySQL database with datatype of TEXT

I\'m creating a table to hold items from rss feeds and I need to create a column \'description\'. I selected the datatype as TEXT with no limit set with no index on this column. This is the error I\'m[详细]

2022-12-08 03:37 分类：问答