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Resolved Increase in column size of datawindow
  1. Issue
  2.  PostgreSQL
  3.  PowerBuilder (Appeon)
0 Votes
  1. Sivaprakash BKR
  2. PowerBuilder
  3. Sunday, 15 December 2019 02:30 AM UTC

Hello,

Using PB 2017 R3, Postgresql 11.6

By using the query

Select a.itemcode as code, a.value as value, a.itemname as name, a.version as version
From  tablex a

Union All

Select '' as codem, 0 as value, b.name as name, '001' as version
From  tabley b

a.itemcode - Column type varchar(10)
a.value - column type numeric(17,2)
a.itemname & b.name - Column type varchar(40)
a.version - Column type varchar(3)

By using the above query, the column sizes in datawindow changes to [ viewed through View - Column specifications ]
itemcode - char(255)
value - decimal(6)
name - Char(40)
version - char(255)

For columns itemcode, value & version the length & decimal precision increases.  We need to correct it using source editor, every time we make changes in the query of these datawindows.  Column name's length doesn't change, as we select a column from db, in both queries.  

This issue is only when we use empty or null or 0 or 0.00 values instead of db columns in the query.  

We didn't face this issue in Sql server & PB 11.5 combo.

Why this change happens ? Is there any way to correct this ?  

Happiness Always
BKR Sivaprakash

 

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