User Tools

Site Tools


transformations:keepexisting

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
transformations:keepexisting [2015/06/24 02:10] dmitrytransformations:keepexisting [2026/09/23 15:50] (current) – removed roberto
Line 1: Line 1:
-===== Keep Matching ===== 
  
-This transformation only keeps rows where values in the specified column exist in the specified column of another table. 
- 
-EXAMPLE 
- 
-**Table 1:** Average income and deductions 
- 
-^  Country  ^  Gross income    Disposable income  ^  Compulsory deductions  ^ 
-| United States  |  56067  |  45582  |  18.7%  | 
-| Ireland  |  51218  |  48073  |  6.14%  | 
-| Luxembourg  |  55176  |  47716  |  13.52%  | 
-| Australia  |  51050  |  42617  |  16.52%  | 
-| Switzerland  |  53716  |  48414  |  9.87%  | 
-| Canada  |  45896  |  37469  |  18.36%  | 
- 
-**Table 2:** Some European Countries 
- 
-^  Country  ^ 
-| Ireland  | 
-| Luxembourg  | 
-| Switzerland  | 
- 
- 
-**Objective:** Keep only the European countries in the first table. 
- 
-**Transformation parameters:** 
- 
-  * Column of the first table: Country 
-  * Matching values in table: Table 2 
-  * Column of the second table: Country 
- 
-**Result:** 
- 
-^  Country  ^  Gross income    Disposable income  ^  Compulsory deductions  ^ 
-| Ireland  |  51218  |  48073  |  6.14%  | 
-| Luxembourg  |  55176  |  47716  |  13.52%  | 
-| Switzerland  |  53716  |  48414  |  9.87%  | 
- 
- 
-=== See also === 
-  * [[transformations:keepdifferent|Keep Different]] 
transformations/keepexisting.1435111853.txt.gz · Last modified: by dmitry

Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki