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--- wiki:pivotdescription [2014/02/07 10:52]
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+++ wiki:pivotdescription [2017/12/09 14:53]
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-===== What is a Pivot Table =====
+===== What is a Pivot Table? =====
 A lot of definitions can be found in the web. More deeper information can be found In [[http://en.wikipedia.org/wiki/Pivot_table | Wikipedia]]
-Simple we can say that pivot table is a program tool that allows you to reorganize and summarize selected columns and rows of data in a spreadsheet or database table to obtain a desired report. A pivot table doesn't actually change the spreadsheet or database itself. In database lingo, to pivot is to turn the data to view it from different perspectives.
+Simple we can say that pivot table is a program tool that allows you to reorganize and summarize \\
+selected columns and rows of data in a spreadsheet or database table to obtain a desired report. \\
+A pivot table doesn't actually change the spreadsheet or database itself. In database lingo, to \\
+pivot is to turn the data to view it from different perspectives.
+===== What is jqPivotGrid? =====
+jqPivotGrid is a component that you can use with jqGrid to create a pivot grid. \\
+Let’s say that we have the following table with some sales data with the following fields: \\
+product name, category name, country, price and quantity. If you want to edit, search delete this data, \\
+you could easily use jqGrid features.
+{{:wiki:pivotsource.png|}}
+What would you do if you had to answer the following questions?
+  - What are the order amounts of each category?
+  - What are the order amounts of each in a specific country?
+  - What are the order amounts and quantity of each category and product in specific country and their totals?
+You could use jqPivotGrid to create those reports, and this is how they would look:
+{{:wiki:amtbycategory.png|}}
+{{:wiki:amtbycountry.png|}}
+{{:wiki:amtbycatprod.png|}}
+===== Using jqPivotGrid =====
+jqPivotGrid inherits the jqGrid, so you can use most of the features you are already \\
+familiar with: column resizing, formatter, cell renderers, row/cell events etc. \\
+The jqPivotGrid can be used when you want to get summation and pivot features that are not \\
+provided in the jqGrid.
+To break down the dataset into categories and country, you just have to configure the x and y Dimentions: \\
+<code javascript>
+xDimension : [{
+    dataName: 'CategoryName'
+}],
+yDimension : [ {
+    dataName: 'Country'
+}]
+</code>
+Multiple levels are supported, so you can just specify them in the y and x Dimensions. \\
+Grouping the rows and/or columns is done automatically when two or more levels are set in \\
+xDimension and/or yDimension.
+Now that you broke down the dataset on the y and x Dimension, it’s time to aggregate \\
+the cell values. Several kinds of aggregations are available including: \\
+sum, min, max, count etc. Future release will provide your own aggregation function.
+<code javascript>
+aggregates : [{
+    member : 'Price',
+    aggregator : 'sum',
+    width:50,
+    label:'Sum'
+},{
+    member : 'Quantity',
+    aggregator : 'count',
+    width:50,
+    label: 'Count'
+}]
+</code>
+As you have probably noticed in the above example, you could aggregate multiple data \\
+fields, say "Price" and "Quantity". You can easily achieve this by configuring all \\
+required aggregations.
+{{:wiki:amtbycatprod.png|}}
+Showing the grand totals for rows and/or columns is pretty easy to configure \\
+("rowTotals: true" or "colTotals: true"). The group totals are also available \\
+via rowTotals or colTotals configs.
+The pivot grid uses JSON data as data source. In the future we will extend it so \\
+that we can read any data source. \\
+===== Future =====
+Since jqPivotGrid is a open source product, it will constantly be improved with new features. \\
+Feel free to make this happen.

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