Re: MS-ACCESS 2010, ODBC 12.01, Out of Memory

------ Original Message ------
From: "Stefan Wolf" <sw(at)zpmt(dot)de>
To: pgsql-interfaces(at)lists(dot)postgresql(dot)org
Sent: 2020-03-02 15:41:05
Subject: MS-ACCESS 2010, ODBC 12.01, Out of Memory

>Win10-Client: MS-ACCESS 2010 (32-Bit), ODBC-Driver: 12.01
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>Linux-Server (1): PostgreSQL 12.2
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>Linux-Server (2): PostgreSQL 9.6
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>We are currently migrating from PG 9.6. to 12.x.
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>We’ve created System-DSNs (PostgreSQL Unicode) with [Defaults] for both
>Server.
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>In MS-ACCESS our biggest Server-Tables (>14.000.000 Rows) can be opened
>(on both Servers).
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>But it takes a lot of time and uses a lot of memory - more than 450MBon
>the client and some GB on the server.
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This is for sure MsAcess problem, and not a bug of PostgreSQL.

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>The indexes are recognized an filtering is fast.
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>Trying to open more than one “big table” will result in MS-ACCESS “Out
>of memory”.
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Sounds like msAccess fetches all rows and put them into memory which is
weird and unwise. Not a bug of PostgreSQL
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>Best regards
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>-Stefan Wolf-
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