Golang C.OCINumberFromInt类(方法)实例源码

func (env *Environment) numberFromInt(value int64, dst unsafe.Pointer) error {
	return env.CheckStatus(
		C.OCINumberFromInt(env.errorHandle, unsafe.Pointer(&value),
			C.uword(unsafe.Sizeof(value)), C.OCI_NUMBER_SIGNED,
			(*C.OCINumber)(dst)),
		"numberFromInt")
}

func (bnd *bndInt32) bind(value int32, position int, stmt *Stmt) error {
	bnd.stmt = stmt
	r := C.OCINumberFromInt(
		bnd.stmt.ses.srv.env.ocierr, //OCIError            *err,
		unsafe.Pointer(&value),      //const void          *inum,
		4,                   //uword               inum_length,
		C.OCI_NUMBER_SIGNED, //uword               inum_s_flag,
		&bnd.ociNumber)      //OCINumber           *number );
	if r == C.OCI_ERROR {
		return bnd.stmt.ses.srv.env.ociError()
	}
	r = C.OCIBINDBYPOS(
		bnd.stmt.ocistmt,                  //OCIStmt      *stmtp,
		(**C.OCIBind)(&bnd.ocibnd),        //OCIBind      **bindpp,
		bnd.stmt.ses.srv.env.ocierr,       //OCIError     *errhp,
		C.ub4(position),                   //ub4          position,
		unsafe.Pointer(&bnd.ociNumber),    //void         *valuep,
		C.LENGTH_TYPE(C.sizeof_OCINumber), //sb8          value_sz,
		C.SQLT_VNU,                        //ub2          dty,
		nil,                               //void         *indp,
		nil,                               //ub2          *alenp,
		nil,                               //ub2          *rcodep,
		0,                                 //ub4          maxarr_len,
		nil,                               //ub4          *curelep,
		C.OCI_DEFAULT)                     //ub4          mode );
	if r == C.OCI_ERROR {
		return bnd.stmt.ses.srv.env.ociError()
	}
	return nil
}

func (env *Environment) numberFromInt(value int64, dst unsafe.Pointer) error {
	if CTrace {
		ctrace("numberFromInt(%d)", value)
	}
	return env.CheckStatus(
		C.OCINumberFromInt(env.errorHandle, unsafe.Pointer(&value),
			8, C.OCI_NUMBER_SIGNED, (*C.OCINumber)(dst)),
		"numberFromInt")
}

func (bnd *bndInt16Slice) bind(values []int16, nullInds []C.sb2, position int, stmt *Stmt) error {
	bnd.stmt = stmt
	if nullInds == nil {
		nullInds = make([]C.sb2, len(values))
	}
	alenp := make([]C.ACTUAL_LENGTH_TYPE, len(values))
	rcodep := make([]C.ub2, len(values))
	bnd.ociNumbers = make([]C.OCINumber, len(values))
	for n := range values {
		alenp[n] = C.ACTUAL_LENGTH_TYPE(C.sizeof_OCINumber)
		r := C.OCINumberFromInt(
			bnd.stmt.ses.srv.env.ocierr, //OCIError            *err,
			unsafe.Pointer(&values[n]),  //const void          *inum,
			2,                   //uword               inum_length,
			C.OCI_NUMBER_SIGNED, //uword               inum_s_flag,
			&bnd.ociNumbers[n])  //OCINumber           *number );
		if r == C.OCI_ERROR {
			return bnd.stmt.ses.srv.env.ociError()
		}
	}
	r := C.OCIBINDBYPOS(
		bnd.stmt.ocistmt,                   //OCIStmt      *stmtp,
		(**C.OCIBind)(&bnd.ocibnd),         //OCIBind      **bindpp,
		bnd.stmt.ses.srv.env.ocierr,        //OCIError     *errhp,
		C.ub4(position),                    //ub4          position,
		unsafe.Pointer(&bnd.ociNumbers[0]), //void         *valuep,
		C.LENGTH_TYPE(C.sizeof_OCINumber),  //sb8          value_sz,
		C.SQLT_VNU,                         //ub2          dty,
		unsafe.Pointer(&nullInds[0]),       //void         *indp,
		&alenp[0],                          //ub4          *alenp,
		&rcodep[0],                         //ub2          *rcodep,
		0,                                  //ub4          maxarr_len,
		nil,                                //ub4          *curelep,
		C.OCI_DEFAULT)                      //ub4          mode );
	if r == C.OCI_ERROR {
		return bnd.stmt.ses.srv.env.ociError()
	}
	r = C.OCIBindArrayOfStruct(
		bnd.ocibnd,
		bnd.stmt.ses.srv.env.ocierr,
		C.ub4(C.sizeof_OCINumber), //ub4         pvskip,
		C.ub4(C.sizeof_sb2),       //ub4         indskip,
		C.ub4(C.sizeof_ub4),       //ub4         alskip,
		C.ub4(C.sizeof_ub2))       //ub4         rcskip
	if r == C.OCI_ERROR {
		return bnd.stmt.ses.srv.env.ociError()
	}
	return nil
}

func (bnd *bndInt32Ptr) bind(value *int32, position int, stmt *Stmt) error {
	bnd.stmt = stmt
	bnd.value = value
	if value == nil {
		bnd.isNull = C.sb2(-1)
	} else {
		r := C.OCINumberFromInt(
			bnd.stmt.ses.srv.env.ocierr, //OCIError            *err,
			unsafe.Pointer(value),       //const void          *inum,
			4,                   //uword               inum_length,
			C.OCI_NUMBER_SIGNED, //uword               inum_s_flag,
			&bnd.ociNumber)      //OCINumber           *number
		if r == C.OCI_ERROR {
			return bnd.stmt.ses.srv.env.ociError()
		}
		bnd.stmt.logF(_drv.cfg.Log.Stmt.Bind,
			"Int32Ptr.bind(%d) value=%d => number=%#v", position, *value, bnd.ociNumber)
	}
	r := C.OCIBINDBYPOS(
		bnd.stmt.ocistmt,                  //OCIStmt      *stmtp,
		(**C.OCIBind)(&bnd.ocibnd),        //OCIBind      **bindpp,
		bnd.stmt.ses.srv.env.ocierr,       //OCIError     *errhp,
		C.ub4(position),                   //ub4          position,
		unsafe.Pointer(&bnd.ociNumber),    //void         *valuep,
		C.LENGTH_TYPE(C.sizeof_OCINumber), //sb8          value_sz,
		C.SQLT_VNU,                        //ub2          dty,
		unsafe.Pointer(&bnd.isNull),       //void         *indp,
		nil,           //ub2          *alenp,
		nil,           //ub2          *rcodep,
		0,             //ub4          maxarr_len,
		nil,           //ub4          *curelep,
		C.OCI_DEFAULT) //ub4          mode );
	if r == C.OCI_ERROR {
		return bnd.stmt.ses.srv.env.ociError()
	}
	return nil
}