[2005-05-01 18:38] Andrew Dunstan said:
|
| Is there a readme somewhere on how modules are supposed to use custom
| GUC variables? If there is I have missed it.
I don't think there is any documentation for this, but here's a
simple overview.
cheers.
Brent
=== postgresql.conf ===
custom_variable_classes = 'mymodule, anothermodule'
mymodule.integer = 10
mymodule.double = 5.5
mymodule.string = 'some string'
mymodule.bool = true
anothermodule.whatever = 'some string'
anothermodule.other = false
=== moduleConfig.c ===
#include <utils/guc.h>
int anIntVar;
char* aStringVar;
double aDoubleVar;
bool aBoolVar;
void setCustomVars()
{
DefineCustomIntegerVariable(
"mymodule.integer",
"A custom integer guc var",
NULL,
&anIntVar,
PGC_USERSET,
NULL,NULL);
DefineCustomStringVariable(
"mymodule.string",
"A custom string guc var",
NULL,
&aStringVar,
PGC_USERSET,
NULL,NULL);
DefineCustomRealVariable(
"mymodule.double",
"A custom double guc var",
NULL,
&aDoubleVar,
PGC_USERSET,
NULL,NULL);
DefineCustomBoolVariable(
"mymodule.bool",
"A custom bool guc var",
NULL,
&aBoolVar,
PGC_USERSET,
NULL,NULL);
}
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