Re: Postgresql 9.5 and Shell scripts/variables vs. C programming/defining a value to be used

[John McKown <john.archie.mckown@xxxxxxxxx>]

On Tue, Nov 22, 2016 at 8:22 AM, Poul Kristensen <bcc5226@xxxxxxxxx> wrote:

I think I understand. 

When I use this in my code I get 

"undefined reference to `PQexecParms' 

​The correct name is PQexecParams (note the last "a"). Sorry I missed that when first looking.​ Also, just to be sure, did you include the argument "-lpq" on the compile command to point to the PostgreSQL library for linking?

 

when compiling.

references in main is

const char *conninfo; /* connection string  to the database */ 

PGconn *conn; /* connection to the database */

PGresult *res; /* result of sql query */ 

int   nFields;  /* print out the attribute names */

int i; / * print the columns */

     j;

Is the a reserved reference to use with

Reserved res = PQexecParms(conn.... )

Then I assume that I have to use another reference than res.

Thanks.

/Poul 

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Maranatha! <><
John McKown