pg_config.c File Reference

#include "postgres.h"
#include "common/config_info.h"
#include "funcapi.h"
#include "miscadmin.h"
#include "utils/builtins.h"

Include dependency graph for pg_config.c:

Go to the source code of this file.

Functions
Datum	pg_config (PG_FUNCTION_ARGS)

Function Documentation

pg_config()

Datum pg_config

(

PG_FUNCTION_ARGS

)

Definition at line 23 of file pg_config.c.

{
    ReturnSetInfo *rsinfo = (ReturnSetInfo *) fcinfo->resultinfo;
    ConfigData *configdata;
    size_t      configdata_len;
    int         i = 0;
 
    /* initialize our tuplestore */
    InitMaterializedSRF(fcinfo, 0);
 
    configdata = get_configdata(my_exec_path, &configdata_len);
    for (i = 0; i < configdata_len; i++)
    {
        Datum       values[2];
        bool        nulls[2];
 
        memset(values, 0, sizeof(values));
        memset(nulls, 0, sizeof(nulls));
 
        values[0] = CStringGetTextDatum(configdata[i].name);
        values[1] = CStringGetTextDatum(configdata[i].setting);
 
        tuplestore_putvalues(rsinfo->setResult, rsinfo->setDesc, values, nulls);
    }
 
    return (Datum) 0;
}

References CStringGetTextDatum, get_configdata(), i, InitMaterializedSRF(), my_exec_path, name, ReturnSetInfo::setDesc, ReturnSetInfo::setResult, tuplestore_putvalues(), and values.