Re: memory error - Mailing list pgsql-novice

From Tom Lane
Subject Re: memory error
Date
Msg-id 7082.1192637619@sss.pgh.pa.us
Whole thread Raw
In response to memory error  ("Oeschey, Lars (I/EK-142, extern)" <extern.Lars.Oeschey@AUDI.DE>)
List pgsql-novice
"Oeschey, Lars (I/EK-142, extern)" <extern.Lars.Oeschey@AUDI.DE> writes:
> I have a table with 46 million rows, when I execute the following statement on it, I get an error:

> ALTER TABLE ONLY etefas.tbl_ecu ADD CONSTRAINT pk_tbl_ecu PRIMARY KEY (pk_ecu);
> HINWEIS:  ALTER TABLE / ADD PRIMARY KEY erstellt implizit einen Index »pk_tbl_ecu« für Tabelle »tbl_ecu«
> FEHLER:  Speicher aufgebraucht
> DETAIL:  Fehler bei Anfrage mit Grö�e 268435456.

> The statement came not from my head, but from a dump of the database (hence, the restore fails there, too). Am I
doingsomething wrong? 

What have you got maintenance_work_mem set to?

            regards, tom lane

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