/*
* Add GUCs to option string.
*/
char*
makeOptions(void)
{
struct config_generic **gucs = get_guc_variables();
int ngucs = get_num_guc_variables();
CdbComponentDatabaseInfo *qdinfo = NULL;
StringInfoData string;
int i;
initStringInfo(&string);
Assert (Gp_role == GP_ROLE_DISPATCH);
qdinfo = &cdb_component_dbs->entry_db_info[0];
appendStringInfo(&string, " -c gp_qd_hostname=%s", qdinfo->hostip);
appendStringInfo(&string, " -c gp_qd_port=%d", qdinfo->port);
/*
* Transactions are tricky.
* Here is the copy and pasted code, and we know they are working.
* The problem, is that QE may ends up with different iso level, but
* postgres really does not have read uncommited and repeated read.
* (is this true?) and they are mapped.
*
* Put these two gucs in the generic framework works (pass make installcheck-good)
* if we make assign_defaultxactisolevel and assign_XactIsoLevel correct take
* string "readcommitted" etc. (space stripped). However, I do not
* want to change this piece of code unless I know it is broken.
*/
if (DefaultXactIsoLevel != XACT_READ_COMMITTED)
{
if (DefaultXactIsoLevel == XACT_SERIALIZABLE)
appendStringInfo(&string, " -c default_transaction_isolation=serializable");
}
if (XactIsoLevel != XACT_READ_COMMITTED)
{
if (XactIsoLevel == XACT_SERIALIZABLE)
appendStringInfo(&string, " -c transaction_isolation=serializable");
}
for (i = 0; i < ngucs; ++i)
{
struct config_generic *guc = gucs[i];
if ((guc->flags & GUC_GPDB_ADDOPT) && (guc->context == PGC_USERSET || procRoleIsSuperuser()))
addOneOption(&string, guc);
}
return string.data;
}
void
GucInfoMain(void)
{
struct config_generic **guc_vars;
int numOpts,
i;
/* Initialize the guc_variables[] array */
build_guc_variables();
guc_vars = get_guc_variables();
numOpts = GetNumConfigOptions();
for (i = 0; i < numOpts; i++)
{
mixedStruct *var = (mixedStruct *) guc_vars[i];
if (displayStruct(var))
printMixedStruct(var);
}
exit(0);
}
