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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Marcelo Fernandes <marcefern7@gmail.com>
cc: pgsql-general@lists.postgresql.org
Subject: Re: What is the story behind _SPI_PLAN_MAGIC?
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Comments: In-reply-to Marcelo Fernandes <marcefern7@gmail.com>
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Marcelo Fernandes <marcefern7@gmail.com> writes:
> Reading through the SPI code I see this definition:
>   #define _SPI_PLAN_MAGIC 569278163
> What is its purpose?

Just to catch programming errors, ie passing the wrong pointer
value to some SPI function.  See the checks for it in spi.c.

			regards, tom lane