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Resolved String datatype

  1. How-to
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  1. ATK Gimmy Susan
    ATK Gimmy Susan
  2. PowerBuilder
  3. Friday, 3 May 2019 11:53 AM UTC

Hi Guru

 

How long can a 'string' field be?

  1. DataType
How to learn PFC?
PB2017 Application support in Citrix version
Accepted Answer
Roland Smith
Roland Smith Accepted Answer Pending Moderation
  1. Friday, 3 May 2019 14:40 PM UTC
  2. PowerBuilder
  3. # Permalink

The help file for PB 2017 says 1073741823.

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Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Friday, 3 May 2019 15:51 PM UTC
Hi Roland;

Correct .... 32bit max / 2 (because PB is now double-byte) = 2,147,483,647 / 2 = 1,073,741,823

Regards .. .Chris

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Roland Smith
  1. Roland Smith
  2. Friday, 3 May 2019 17:00 PM UTC
I would guess that 64bit executables have a much higher limit.
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Responses (3)
Roland Smith
Roland Smith Accepted Answer Pending Moderation
  1. Friday, 3 May 2019 14:45 PM UTC
  2. PowerBuilder
  3. # 1

I just noticed you asked about string field. Did you mean to say field? The maximum length of a string variable is 1073741823.

If you create a DataWindow and select a column that is a large text column, the column size is set to 32767. You might be able to change that by editing the source.

 

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Kevin Ridley
Kevin Ridley Accepted Answer Pending Moderation
  1. Friday, 3 May 2019 13:16 PM UTC
  2. PowerBuilder
  3. # 2

I believe there used to be a limit of 60k in 16 bit PB, but I don't think there's a limit in 32 bit+.  Obviously there are many things that are better done with blobs than strings, but to answer your question, I don't think there is a limit on the size of a string.

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