Fitfab: Table Prefix Activerecord

Table Prefix Activerecord

An active record class is associated with a database table an active record instance corresponds to a row of that table and an attribute of an active record instance represents the value of a particular column in that row. Ileodo opened this issue jan 9 2016 8 comments labels.

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This is a convenient way of creating a namespace for tables in a shared database.

Table prefix activerecord. Additionally the class level tablenameprefix is prepended and the tablenamesuffix is appended. Active record provides an object oriented interface for accessing and manipulating data stored in databases. Closed ileodo opened this issue jan 9 2016 8 comments closed references with tablenameprefix causes activerecordstatementinvalid 22989.

You can also overwrite this class method to allow for unguessable links. So something like this in your initializer file for activerecord or the adapter. When tablenameprefix is set to non default value addforeignkey without column option causes activerecordstatementinvalid due to the target column name does not exist since this column name is affected by tablenameprefix which should not.

Accessor for the name of the prefix string to prepend to every table name. So if you have myapp as a prefix the table name guess for an invoice class becomes myappinvoices. With the change to sqlserverrb the application runs fine.

Yiis activerecord classes are powerful but they fall short when you want to have a configurable table prefix for your application. Yes its the way of the legay application to represent multiple companies within one database. Instead of writing raw sql statements you would access active.

By default the prefix is the empty string. Its similar to the table prefix of eg. Depending on your user and schema setup it may be needed to use a table name prefix of dbo.

Its just that i can not provide a real patch because i do not understand enough of the code. So if set to basecamp all table names will be named like basecampprojects basecamppeople etc. References with tablenameprefix causes activerecordstatementinvalid 22989.

A configurable table prefix comes in handy if you have an application that is being built around having many instances running on the same database server. So something like this in your initializer file for activerecord or the adapter. Contribute to railsrails development by creating an account on github.

Misleading Table Name Suffix And Prefix Behaviour Issue 35445