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Re: obtain a BLOB size without fetching the whole thing?
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Re: obtain a BLOB size without fetching the whole thing?


  • Subject: Re: obtain a BLOB size without fetching the whole thing?
  • From: Amedeo Mantica via Webobjects-dev <email@hidden>
  • Date: Tue, 24 Jun 2025 23:25:07 +0200

try something like this...
(raw SQL)

SELECT id, OCTET_LENGTH(blob_col) AS blob_size_bytes FROM my_table;

> Il giorno 24 giu 2025, alle ore 21:27, ocs--- via Webobjects-dev
> <email@hidden> ha scritto:
>
> Hi there,
>
> the subject says it all. I've got a FS which reads in some columns set up
> through setRawRowKeyPaths. The entity contains also a BLOB column which can
> be rather big. Is there a trick to get its size only in the result
> dictionaries, without actually fetching the data?
>
> If db-specific, with FrontBase.
>
> Thanks a lot!
> OC
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