postgresql-interfaces/psqlodbc GitHub issues and pull requests (mirror)
help / color / mirror / Atom feedFrom: Hunaid2000 (@Hunaid2000) <[email protected]>
To: postgresql-interfaces/psqlodbc <[email protected]>
Subject: Re: [postgresql-interfaces/psqlodbc] issue #51: SQL_DESC_OCTET_LENGTH regression test difference
Date: Sat, 05 Oct 2024 10:10:20 +0000
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
It basically depends on client encoding, I guess.
I get 20 on Windows and 40 on Ubuntu. The length is set in `pgtype_attr_buffer_length` function.
https://github.com/postgresql-interfaces/psqlodbc/blob/59728b929b54b3b230aead909895483b5b2f35a1/pgty...
It depends on `coef = conn->mb_maxbyte_per_char;` which is set on the line `629` in this block.
https://github.com/postgresql-interfaces/psqlodbc/blob/59728b929b54b3b230aead909895483b5b2f35a1/conn...
In case of Ubuntu:
```
postgres=# show client_encoding;
client_encoding
-----------------
UTF8
(1 row)
```
https://github.com/postgresql-interfaces/psqlodbc/blob/59728b929b54b3b230aead909895483b5b2f35a1/mult...
which maps to 4 here: `pg_mb_maxlen(self->ccsc);`. As a result, we get 10 * 4 = 40.
For Windows, I believe its just `prec * WCLEN` so 10 * 2 = 20.
@df7cb In your case, I guess `pg_mb_maxlen` returns 1.
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To: github://postgresql-interfaces/psqlodbc
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Subject: Re: [postgresql-interfaces/psqlodbc] issue #51: SQL_DESC_OCTET_LENGTH regression test difference
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