43 lines
1.9 KiB
Markdown
43 lines
1.9 KiB
Markdown
---
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layout: article
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title: Libraries
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description: Libraries in Data Controller are configurable in different ways according to the SAS flavour in use.
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og_image: img/libraries.png
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---
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# Adding Libraries to Data Controller
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The process for adding new libraries to Data Controller depends on whether we are talking about:
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* The VIEW or EDIT menu
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* The flavour of SAS being used
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In VIEW mode, all available libraries are shown, unless the [DC_RESTRICT_VIEWER](/dcc-options/#dc_restrict_viewer) option is set.
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In EDIT mode, only the libraries corresponding to the configuration in [MPE_TABLES](/dcc-tables) are visible. This list may be shorter if the user is not in the [admin group](/dcc-groups/#data-controller-admin-group) or does not have the necessary [security](/dcc-security/) settings.
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Flavour specific guidance follows.
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## Viya Libraries
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Library definitions should be added in the `autoexec.sas` of the designated Compute Context using Environment Manager.
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If the above is not feasible, it is possible to insert code in the `[DC Drive Path]/services/settings.sas` file however - this will have a performance impact due to the additional API calls.
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## SAS 9 EBI Libraries
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In most cases, libname statements are NOT required so long as they are accessible in metadata.
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For the VIEW menu, the libname statement is made using the [mm_assignlib](https://core.sasjs.io/mm__assignlib_8sas.html) macro (META engine). It is important that each library has a unique LIBREF.
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For the EDIT menu, direct libname statements are derived using the [mm_assigndirectlib](https://core.sasjs.io/mm__assigndirectlib_8sas.html) macro.
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If metadata extraction is not possible, libname statements may be added to the `[DC Meta Path]/services/public/Data_Controller_Settings` Stored Process.
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## SASjs Server Libraries
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New library definitions can be added to the `[DC Drive Path]/services/public/settings.sas` Stored Program.
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