On 4/23/20 7:33 AM, Scott Ribe wrote:
In libpq, PQexecParams has nParams as type int. So on any reasonable platform, 
that's at least 4 bytes. My question then is: when I see documented limits of 
65535 params in various drivers and libraries, that is NOT a restriction of 
libpq nor of the protocol, but rather an arbitrary limit of the driver/library, 
correct?

No.

From:

src/interfaces/libpq/fe-exec.c

if (nParams < 0 || nParams > 65535)
        {
                printfPQExpBuffer(&conn->errorMessage,
libpq_gettext("number of parameters must be between 0 and 65535\n"));
                return 0;
        }


--
Scott Ribe
scott_r...@elevated-dev.com
https://www.linkedin.com/in/scottribe/







--
Adrian Klaver
adrian.kla...@aklaver.com


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