So I wanted to test a scenario against a database table which had no rows, even though there were several currently in the table. Easy you say, just copy the data into a ‘backup’ table, delete the rows, run your tests, then copy the data back. Well not so fast when you have an IDENTITY…
You are currently browsing the post archives for September 2011.
SQL Server Identity Columns – Inserting and Resetting
SQL Server Identity Columns – Inserting and Resetting - the full story »
PowerBuilder ‘Gotcha’ – Selectionchanging event on Tab controls
Selectionchanging is an event on a tab control which is triggered, according to PowerBuilder help, ‘when another tab is about to be selected.’ From this description you might think that this means changing from one tab to another; this is only partially correct. This event is triggered also when the window opens. Depending upon your…
Calculate the Last Day of the Month
Here is how to calculate the last day of the current month. Powerbuilder date ld_eom ld_eom = RelativeDate(Date(String(Month(Today()) + 1) + "/1/" + String(Year(Today()))), -1) SQL Server SELECT DATEADD(DAY, -1, DATEADD(MONTH, DATEDIFF(MONTH, 0, Getdate()) +1, 0)) I quess SQL Denali has a new function (EOMONTH) to do this too. SELECT EOMONTH(GETDATE())
Joining to a Table Function in SQL Server
Following up on my previous post, SQL Server (since version 2005 while in SQL 90 compatibility mode) provides the ability to join to the table created by a parameterized table function. In earlier versions you were not able to use a table function with a dynamic parameter or even join to it. If you needed…
Splitting up a String or Text in SQL
Here is a way to split up a block of text and return a result set based on a delimeter. A table function is used to do the ‘heavy lifting’ and, utilizing some newer features of SQL Server (2005 and 2008), you can even join to it providing for even greater flexability. This situation I…
PowerBuilder ‘Gotcha’ – PixelsToUnits
From the Powerbuilder Help on this method: Converts pixels to PowerBuilder units. Because pixels are not usually square, you also specify whether you are converting the pixels’ horizontal or vertical measurement. Syntax PixelsToUnits ( pixels, type ) Argument Description pixels An integer whose value is the number of pixels you want to convert to PowerBuilder…
PowerBuilder – Reading Outlook Items
Here is some code which reads data from Outlook (2007 was tested) into PowerBuilder. You basically need to create a window with a multiline edit and a button on it. Put this into the clicked event of the button. To run it, open Outlook, select something (email message, task, etc.) then click the button on…
