Attach_Table subroutine [Revelation On-Line Wiki]

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====== Attach_Table subroutine    ======


 
==== Description ====
 
Temporarily includes a table in the database definition. To make this permanent, run Define_Database, or use the Database Manager.
 
==== Syntax ====
 
**Attach_Table**(//locationlist//, //tablelist//, d//atabase//, //options//)
 
==== Parameters ====
 
The Attach_Table subroutine has the following parameters.

^Parameter^Description^
|//Locationlist//|Specifies the location of the existing table. Can be specified in any of the following ways:\\ \\ [ //location// ]\\ [ //location//, //table_type// ]\\ [ //location//, //table_type//, //control_table_path// ]//\\ volume_pointer_name//\\ \\ Typically, this value will be the path to a directory containing Native Tables.|
|//Tablelist//|The table(s) to attach from the specified location. If you do not specify //tablelist//, then all tables at the specified location are attached when their associated database is the current application database. If no tables match the current database, tables with a GLOBAL database identifier are attached.|
|//Database//|Pass a value, to override the default behavior (refer to //tablelist//), and to attach tables with a database identifier that does not match the current database identifier.|
|//Options//|Reserved. Pass null.\\ ||

 
==== See Also ====
 
[[declare|Declare]], [[detach_table|Detach_Table]] , [[alias_table|Alias_Table]] , [[get_status|Get_Status()]]
 
==== Example ====
 
<code>
/* Attach the OUTSTANDING table from the AP volume on the ACCT_PAY database. */
Attach_Table("AP", "OUTSTANDING", "ACCT_PAY", "")
If Get_Status(StatusCode) Then GoSub Error_Processing

/*Attach the EMP, JOBTABLE, and HISTORY tables from the default volume DATAVOL. */
TableList = ""
TableList<1> = "EMP"
TableList<2> = "JOB_TABLE"
TableList<3> = "HISTORY"
Attach_Table("DATAVOL", TableList, "", "")
If Get_Status(StatusCode) Then GoSub Error_Processing

*Attach entire DATAVOL volume.
Attach_Table("DATAVOL", "", "", "")
If Get_Status(StatusCode) Then GoSub Error_Processing
 
**
**
</code>