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Ensure images in the docs have alt tags for screen readers. Fixes #2903

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Murtuza Zabuawala
2018-01-11 16:58:30 +00:00
committed by Dave Page
parent 8b3aecd137
commit b78b97d89b
65 changed files with 899 additions and 599 deletions
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docs/en_US/foreign_server_dialog.rst
+12 -7
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@@ -6,9 +6,10 @@ The Foreign Server Dialog
Use the *Foreign Server* dialog to create a foreign server. A foreign server typically encapsulates connection information that a foreign-data wrapper uses to access an external data resource. Each foreign data wrapper may connect to a different foreign server; in the *pgAdmin* tree control, expand the node of the applicable foreign data wrapper to launch the *Foreign Server* dialog.
The *Foreign Server* dialog organizes the development of a foreign server through the following dialog tabs: *General*, *Definition*, *Options*, and *Security*. The *SQL* tab displays the SQL code generated by dialog selections.
The *Foreign Server* dialog organizes the development of a foreign server through the following dialog tabs: *General*, *Definition*, *Options*, and *Security*. The *SQL* tab displays the SQL code generated by dialog selections.
.. image:: images/foreign_server_general.png
:alt: Foreign server dialog general tab
Use the fields in the *General* tab to identify the foreign server:
@@ -19,6 +20,7 @@ Use the fields in the *General* tab to identify the foreign server:
Click the *Definition* tab to continue.
.. image:: images/foreign_server_definition.png
:alt: Foreign server dialog definition tab
Use the fields in the *Definition* tab to set parameters:
@@ -28,23 +30,25 @@ Use the fields in the *Definition* tab to set parameters:
Click the *Options* tab to continue.
.. image:: images/foreign_server_options.png
:alt: Foreign server dialog options tab
Use the fields in the *Options* tab to specify options. Click the *Add* button to create an option clause for the foreign server.
Use the fields in the *Options* tab to specify options. Click the *Add* button to create an option clause for the foreign server.
* Specify the option name in the *Option* field.
* Provide a corresponding value in the *Value* field.
* Provide a corresponding value in the *Value* field.
Click *Add* to create each additional clause; to discard an option, click the trash icon to the left of the row and confirm deletion in the *Delete Row* popup.
Click the *Security* tab to continue.
.. image:: images/foreign_server_security.png
:alt: Foreign server dialog security tab
Use the *Security* tab to assign security privileges to the foreign server. Click *Add* before you assign a set of privileges.
* Select the name of the role from the drop-down listbox in the *Grantee* field.
* Click inside the *Privileges* field. Check the boxes to the left of one or more privileges to grant the selected privileges to the specified user.
* Select the name of the role from the drop-down listbox in the *Grantor* field. The default grantor is the owner of the foreign server. This is a required field.
* Select the name of the role from the drop-down listbox in the *Grantor* field. The default grantor is the owner of the foreign server. This is a required field.
Click *Add* to assign a new set of privileges; to discard a privilege, click the trash icon to the left of the row and confirm deletion in the *Delete Row* dialog.
@@ -54,13 +58,14 @@ Your entries in the *Foreign Server* dialog generate a SQL command (see an examp
**Example**
The following is an example of the sql command generated by user selections in the *Foreign Server* dialog:
The following is an example of the sql command generated by user selections in the *Foreign Server* dialog:
.. image:: images/foreign_server_sql.png
.. image:: images/foreign_server_sql.png
:alt: Foreign server dialog sql tab
The example shown demonstrates creating a foreign server for the foreign data wrapper *hdfs_fdw*. It has the name *hdfs_server*; its type is *hiveserver2*. Options for the foreign server include a host and a port.
* Click the *Info* button (i) to access online help. View context-sensitive help in the *Tabbed browser*, where a new tab displays the PostgreSQL core documentation.
* Click the *Info* button (i) to access online help. View context-sensitive help in the *Tabbed browser*, where a new tab displays the PostgreSQL core documentation.
* Click the *Save* button to save work.
* Click the *Cancel* button to exit without saving work.
* Click the *Reset* button to restore configuration parameters.