C++ READ_OID_FIELD函数代码示例

/*
 * _readCoerceViaIO
 */
static CoerceViaIO *
_readCoerceViaIO(void)
{
	READ_LOCALS(CoerceViaIO);

	READ_NODE_FIELD(arg);
	READ_OID_FIELD(resulttype);
	READ_ENUM_FIELD(coerceformat, CoercionForm);
	READ_LOCATION_FIELD(location);

	READ_DONE();
}

/*
 * _readFieldSelect
 */
static FieldSelect *
_readFieldSelect(void)
{
	READ_LOCALS(FieldSelect);

	READ_NODE_FIELD(arg);
	READ_INT_FIELD(fieldnum);
	READ_OID_FIELD(resulttype);
	READ_INT_FIELD(resulttypmod);

	READ_DONE();
}

/*
 * _readFieldStore
 */
static FieldStore *
_readFieldStore(void)
{
	READ_LOCALS(FieldStore);

	READ_NODE_FIELD(arg);
	READ_NODE_FIELD(newvals);
	READ_NODE_FIELD(fieldnums);
	READ_OID_FIELD(resulttype);

	READ_DONE();
}

/*
 * _readConvertRowtypeExpr
 */
static ConvertRowtypeExpr *
_readConvertRowtypeExpr(void)
{
	READ_LOCALS(ConvertRowtypeExpr);

	READ_NODE_FIELD(arg);
	READ_OID_FIELD(resulttype);
	READ_ENUM_FIELD(convertformat, CoercionForm);
	READ_LOCATION_FIELD(location);

	READ_DONE();
}

/*
 * _readConst
 */
static Const *
_readConst(void)
{
	READ_LOCALS(Const);

	READ_OID_FIELD(consttype);
	READ_INT_FIELD(consttypmod);
	READ_OID_FIELD(constcollid);
	READ_INT_FIELD(constlen);
	READ_BOOL_FIELD(constbyval);
	READ_BOOL_FIELD(constisnull);
	READ_LOCATION_FIELD(location);

	token = citus_pg_strtok(&length); /* skip :constvalue */
	if (local_node->constisnull)
		token = citus_pg_strtok(&length);		/* skip "<>" */
	else
		local_node->constvalue = readDatum(local_node->constbyval);

	READ_DONE();
}

/*
 * _readMinMaxExpr
 */
static MinMaxExpr *
_readMinMaxExpr(void)
{
	READ_LOCALS(MinMaxExpr);

	READ_OID_FIELD(minmaxtype);
	READ_ENUM_FIELD(op, MinMaxOp);
	READ_NODE_FIELD(args);
	READ_LOCATION_FIELD(location);

	READ_DONE();
}

/*
 * _readAggref
 */
static Aggref *
_readAggref(void)
{
	READ_LOCALS(Aggref);

	READ_OID_FIELD(aggfnoid);
	READ_OID_FIELD(aggtype);
	READ_OID_FIELD(aggcollid);
	READ_OID_FIELD(inputcollid);
	READ_NODE_FIELD(aggdirectargs);
	READ_NODE_FIELD(args);
	READ_NODE_FIELD(aggorder);
	READ_NODE_FIELD(aggdistinct);
	READ_NODE_FIELD(aggfilter);
	READ_BOOL_FIELD(aggstar);
	READ_BOOL_FIELD(aggvariadic);
	READ_CHAR_FIELD(aggkind);
	READ_UINT_FIELD(agglevelsup);
	READ_LOCATION_FIELD(location);

	READ_DONE();
}

/*
 * _readRowExpr
 */
static RowExpr *
_readRowExpr(void)
{
	READ_LOCALS(RowExpr);

	READ_NODE_FIELD(args);
	READ_OID_FIELD(row_typeid);
	READ_ENUM_FIELD(row_format, CoercionForm);
	READ_NODE_FIELD(colnames);
	READ_LOCATION_FIELD(location);

	READ_DONE();
}

/*
 * _readCaseExpr
 */
static CaseExpr *
_readCaseExpr(void)
{
	READ_LOCALS(CaseExpr);

	READ_OID_FIELD(casetype);
	READ_NODE_FIELD(arg);
	READ_NODE_FIELD(args);
	READ_NODE_FIELD(defresult);
	READ_LOCATION_FIELD(location);

	READ_DONE();
}

/*
 * _readRelabelType
 */
static RelabelType *
_readRelabelType(void)
{
	READ_LOCALS(RelabelType);

	READ_NODE_FIELD(arg);
	READ_OID_FIELD(resulttype);
	READ_INT_FIELD(resulttypmod);
	READ_ENUM_FIELD(relabelformat, CoercionForm);
	READ_LOCATION_FIELD(location);

	READ_DONE();
}

/*
 * _readParam
 */
static Param *
_readParam(void)
{
	READ_LOCALS(Param);

	READ_ENUM_FIELD(paramkind, ParamKind);
	READ_INT_FIELD(paramid);
	READ_OID_FIELD(paramtype);
	READ_INT_FIELD(paramtypmod);
	READ_LOCATION_FIELD(location);

	READ_DONE();
}

/*
 * _readAggref
 */
static Aggref *
_readAggref(void)
{
	READ_LOCALS(Aggref);

	READ_OID_FIELD(aggfnoid);
	READ_OID_FIELD(aggtype);
#ifdef PGXC
	READ_OID_FIELD(aggtrantype);
	READ_BOOL_FIELD(agghas_collectfn);
#endif /* PGXC */
	READ_OID_FIELD(aggcollid);
	READ_OID_FIELD(inputcollid);
	READ_NODE_FIELD(args);
	READ_NODE_FIELD(aggorder);
	READ_NODE_FIELD(aggdistinct);
	READ_BOOL_FIELD(aggstar);
	READ_UINT_FIELD(agglevelsup);
	READ_LOCATION_FIELD(location);

	READ_DONE();
}

/*
 * _readCoerceToDomain
 */
static CoerceToDomain *
_readCoerceToDomain(void)
{
	READ_LOCALS(CoerceToDomain);

	READ_NODE_FIELD(arg);
	READ_OID_FIELD(resulttype);
	READ_INT_FIELD(resulttypmod);
	READ_ENUM_FIELD(coercionformat, CoercionForm);
	READ_LOCATION_FIELD(location);

	READ_DONE();
}

/*
 * _readScalarArrayOpExpr
 */
static ScalarArrayOpExpr *
_readScalarArrayOpExpr(void)
{
	READ_LOCALS(ScalarArrayOpExpr);

	READ_OID_FIELD(opno);
	READ_OID_FIELD(opfuncid);

	/*
	 * The opfuncid is stored in the textual format primarily for debugging
	 * and documentation reasons.  We want to always read it as zero to force
	 * it to be re-looked-up in the pg_operator entry.	This ensures that
	 * stored rules don't have hidden dependencies on operators' functions.
	 * (We don't currently support an ALTER OPERATOR command, but might
	 * someday.)
	 */
	local_node->opfuncid = InvalidOid;

	READ_BOOL_FIELD(useOr);
	READ_NODE_FIELD(args);

	READ_DONE();
}

static ShardPlacement *
_readShardPlacement(void)
{
	READ_LOCALS(ShardPlacement);

	READ_OID_FIELD(tupleOid);
	READ_UINT64_FIELD(shardId);
	READ_UINT64_FIELD(shardLength);
	READ_ENUM_FIELD(shardState, RelayFileState);
	READ_STRING_FIELD(nodeName);
	READ_UINT_FIELD(nodePort);

	READ_DONE();
}