(SOLVED) Postgres dll
lazarus / 16-Databases

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xinyiman · 2016-04-10 15:49

Hello guys. I created a program that uses Zeoslib to access a postgres
database. On the PC that installed the database (Linux) I have no
problems and I connect. On Windows 8 instead I get the error: None of
the dynamic libraries can be found or is not loadable: libpq.dll

Rightly he says that lack the dll. The problem arises here, I do not
find. Postgres on the site are not there. Where the drain? Thank you

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Mike.Cornflake · 2016-04-10 16:08

In Zeos Trunk, have a look in lib\postgresql.  I note the dll's are
named differently per version, so I'm guessing you take the version
you need and rename to just libpq.dll.   Or set the dll name directly
in the Connection from memory.

Update:  http://svn.code.sf.net/p/zeoslib/code-0/trunk/lib/postgresql/

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xinyiman · 2016-04-10 16:39

Thank you. But my version is 9.3 and not exist in your list

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miab3 · 2016-04-10 16:44

http://forum.lazarus.freepascal.org/index.php/topic,31964.msg205610.ht
ml#msg205610

I tried copy client libraries from PostgreSQL 9.5.1.1-32

zlib1.dll
libeay32.dll
libiconv-2.dll
libintl-8.dll
libpq.dll
libxml2.dll
libxslt.dll
ssleay32.dll

in the application directory (ZEOS 7.2.1-rc, LAZARUS 1.6-Win32)
and connect to the server (9.3) without problems.

I see that it is also used msvcr120.dll.

Michal

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xinyiman · 2016-04-11 06:40

Thank you very much

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slivitin · 2016-08-02 12:46

Can I use x64bit version of Lazarus (how to see it?) with x32bit of
libpq.dll?
I have installed Lazarus x64 + pgAdmin 4 v1 (may be x64) but still get
an error that say "libpq.dll wasn't found". I put path to libpq.dll
(from pgAdmin directory) to the system "PATH"

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slivitin · 2016-08-02 13:27

Removed Lazarus x64 and installed Lazarus x32.
Now pgConnection is working...

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miab3 · 2016-08-02 13:50

You can use (mixed) 32-bit or 64-bit client and server, but the
application must use suitable for himself client libraries. You can
even use different OS.