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225 lines
10 KiB
ReStructuredText
225 lines
10 KiB
ReStructuredText
.. _editgrid:
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***********************
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`View/Edit Data`:index:
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***********************
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To view or modify data, right click on a table or view name in the *Browser*
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tree control. When the context menu opens, use the *View/Edit Data* menu to
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specify the number of rows you would like to display in the editor panel.
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.. image:: images/editgrid.png
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:alt: Edit grid window
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:align: center
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To modify the content of a table, each row in the table must be uniquely
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identifiable. If the table definition does not include an OID or a primary key,
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the displayed data is read only. Note that views cannot be edited; updatable
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views (using rules) are not supported.
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The editor features a toolbar that allows quick access to frequently used
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options, and a work environment divided into two panels:
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* The upper panel displays the SQL command that was used to select the content
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displayed in the lower panel.
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* The lower panel (the Data Grid) displays the data selected from the table or
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view.
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The View/Edit Data Toolbar
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**************************
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The :ref:`Query Tool <query_tool>` and :ref:`View/Edit Data <editgrid>` tools
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are actually different operating modes of the same tool. Some controls will be
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disabled in either mode. Please see
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:ref:`The Query Tool Toolbar <query_tool_toolbar>` for a description of the
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available controls.
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.. _data-grid:
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The Data Grid
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*************
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The top row of the data grid displays the name of each column, the data type,
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and if applicable, the number of characters allowed. A column that is part of
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the primary key will additionally be marked with [PK].
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To modify the displayed data:
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* To change a numeric value within the grid, double-click the value to select
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the field. Modify the content in the square in which it is displayed.
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* To change a non-numeric value within the grid, double-click the content to
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access the edit bubble. After modifying the contentof the edit bubble, click
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the *Ok* button to display your changes in the data grid, or *Cancel* to
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exit the edit bubble without saving.
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To enter a newline character, click Ctrl-Enter or Shift-Enter. Newline
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formatting is only displayed when the field content is accessed via an edit
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bubble.
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To add a new row to the table, enter data into the last (unnumbered) row of the
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table. As soon as you store the data, the row is assigned a row number, and a
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fresh empty line is added to the data grid.
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To write a SQL NULL to the table, simply leave the field empty. When you store
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the new row, the will server fill in the default value for that column. If you
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store a change to an existing row, the value NULL will explicitly be written.
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To write an empty string to the table, enter the special string '' (two single
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quotes) in the field. If you want to write a string containing solely two single
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quotes to the table, you need to escape these quotes, by typing \'\'
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To delete a row, press the *Delete* toolbar button. A popup will open, asking
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you to confirm the deletion.
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To commit the changes to the server, select the *Save Data* toolbar button.
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**Geometry Data Viewer**
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If PostGIS is installed, you can view GIS objects in a map by selecting row(s)
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and clicking the 'View Geometry' button in the column. If no rows are selected,
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the entire data set will be rendered:
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.. image:: images/geometry_viewer.png
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:alt: Geometry Viewer Button
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:align: center
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You can adjust the layout by dragging the title of the panel. To view the
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properties of the geometries directly in map, just click the specific geometry:
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.. image:: images/geometry_viewer_property_table.png
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:alt: Geometry Viewer Property Table
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:align: center
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.. note::
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- *Supported data types:* The Geometry Viewer supports 2D and 3DM geometries in
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EWKB format including `Point, LineString, Polygon MultiPoint, MultiLineString,
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MultiPolygon and GeometryCollection`.
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- *SRIDs:* If there are geometries with different SRIDs in the same column, the
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viewer will render geometries with the same SRID in the map. If SRID=4326 the
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OSM tile layer will be added into the map.
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- *Data size:* For performance reasons, the viewer will render no more than
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100000 geometries, totaling up to 20MB.
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- *Internet access:* An internet connection is required for the Geometry Viewer
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to function correctly.
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**JSON Data Editor**
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A built in json editor is provided for *JSON/JSONB Data*.Double clicking on json/jsonb
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data type cell in data grid will open JSON Editor.Editor provides different mode to
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view and edit json data.
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.. image:: images/json_editor_modes.png
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:alt: Json Editor
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:align: center
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*Code Mode*:
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Provides way to format & compact json data.Also provides ability to repair json data
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by fixing quotes and escape characters, removing comments and JSONP notation and
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turn JavaScript objects into JSON.
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*Tree Mode*:
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Enabled to change, add, move, remove, and duplicate fields and values.Provides ability
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to searh & hilight data.
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*Form Mode*:
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Allows only to edit values in json data there by providing ability to keep data structure
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unchanged while editing.
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*Preview Mode*:
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Provides ability to check data before saving and also shows size of current json data.
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Format and compact json data as well.
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*Editor Toolbar*
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Different options are provided to manipulate json data.
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Code/Preview mode:
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.. image:: images/json_editor_code_preview_tool_bar.png
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:alt: Json Editor Code/Preview mode Tool Bar
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:align: center
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Tree/Form mode:
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.. image:: images/json_editor_tree_form_mode_tool_bar.png
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:alt: Json Editor Tree/Form mode Tool Bar
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:align: center
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.. table::
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:class: longtable
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:widths: 1 3 2
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+----------------------+----------------------------------------------------------------------------------------+---------------------------+
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| Icon | Behavior | Available in mode |
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+======================+========================================================================================+===========================+
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| *Format Json* | Click to *Format Json* format json data with proper indentation. | Code, Preview |
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+----------------------+----------------------------------------------------------------------------------------+---------------------------+
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| *Compact Json* | Click to *Compact Json* get compacted json data. | Code, Preview |
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+----------------------+----------------------------------------------------------------------------------------+---------------------------+
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| *Sort* | Click to *Sort* icon to set sorting criteria for the data using file values. | Code, Preview, Tree |
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+----------------------+----------------------------------------------------------------------------------------+---------------------------+
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| *Transform* | Click to *Transform* to filter data using JSME query language. | Code, Preview, Tree |
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+----------------------+----------------------------------------------------------------------------------------+---------------------------+
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| *Undo* | Click to *Undo* to undo last action performed on data . | Code, Preview, Tree, From |
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+----------------------+----------------------------------------------------------------------------------------+---------------------------+
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| *Redo* | Click to *Redo* to repat last action performed on data . | Code, Preview, Tree, From |
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+----------------------+----------------------------------------------------------------------------------------+---------------------------+
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| *Mode* | Click to *Mode* dropdown to change dipaly mode of editor.Different modes avaialble | Code, Tree, From, Preview |
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| | are Code, Preview, Tree, From. | |
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+----------------------+----------------------------------------------------------------------------------------+---------------------------+
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| *Expand All* | Click to *Expand All* to expand json data. | Tree, From |
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+----------------------+----------------------------------------------------------------------------------------+---------------------------+
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| *Collapse All* | Click to *Redo* to collapse json data. | Tree, From |
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+----------------------+----------------------------------------------------------------------------------------+---------------------------+
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| *Search Box* | Enter partial/complete string to search in data. | Tree, From |
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+----------------------+----------------------------------------------------------------------------------------+---------------------------+
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Sort/Filter options dialog
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**************************
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You can access *Sort/Filter options dialog* by clicking on Sort/Filter button.
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This allows you to specify an SQL Filter to limit the data displayed and data
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sorting options in the edit grid window:
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.. image:: images/editgrid_filter_dialog.png
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:alt: Edit grid filter dialog window
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:align: center
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* Use *SQL Filter* to provide SQL filtering criteria. These will be added to
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the "WHERE" clause of the query used to retrieve the data. For example,
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you might enter:
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.. code-block:: sql
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id > 25 AND created > '2018-01-01'
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* Use *Data Sorting* to sort the data in the output grid
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To add new column(s) in data sorting grid, click on the [+] icon.
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* Use the drop-down *Column* to select the column you want to sort.
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* Use the drop-down *Order* to select the sort order for the column.
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To delete a row from the grid, click the trash icon.
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* Click the *Save* button to save work.
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* Click the *Close* button to discard current changes and close the dialog.
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.. toctree::
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:maxdepth: 2
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viewdata_filter
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