Exemple #1
0
func dateTimeVarSetValue(v *Variable, pos uint, value interface{}) error {
	x, ok := value.(time.Time)
	if !ok {
		a, ok := value.([]time.Time)
		if !ok {
			return fmt.Errorf("awaited time.Time or []time.Time, got %T", value)
		}
		var err error
		for i, x := range a {
			if err = dateTimeVarSetValue(v, pos+uint(i), x); err != nil {
				return err
			}
		}
		return nil
	}
	/*
		if err := v.environment.CheckStatus(
			C.OCIDateSetDate(unsafe.Pointer(&v.dataBytes[pos*sizeof_OCIDate]),
				x.Year(), x.Month(), x.Date()),
			"OCIDateSetDate"); err != nil {
			return err
		}
		return v.environment.CheckStatus(
			C.OCIDateSetTime(unsafe.Pointer(&v.dataBytes[pos*sizeof_OCIDate]),
				x.Hour(), x.Minute(), x.Second()),
			"OCIDateSetTime")
	*/
	C.setDateTime((*C.OCIDate)(v.getHandle(pos)),
		C.sb2(x.Year()), C.ub1(x.Month()), C.ub1(x.Day()),
		C.ub1(x.Hour()), C.ub1(x.Minute()), C.ub1(x.Second()))
	return nil
}
Exemple #2
0
func (bnd *bndTimePtr) bind(value *time.Time, position int, stmt *Stmt) error {
	bnd.stmt = stmt
	bnd.value = value
	r := C.OCIDescriptorAlloc(
		unsafe.Pointer(bnd.stmt.ses.srv.env.ocienv),         //CONST dvoid   *parenth,
		(*unsafe.Pointer)(unsafe.Pointer(&bnd.ociDateTime)), //dvoid         **descpp,
		C.OCI_DTYPE_TIMESTAMP_TZ,                            //ub4           type,
		0,   //size_t        xtramem_sz,
		nil) //dvoid         **usrmempp);
	if r == C.OCI_ERROR {
		return bnd.stmt.ses.srv.env.ociError()
	} else if r == C.OCI_INVALID_HANDLE {
		return errNew("unable to allocate oci timestamp handle during bind")
	}
	if value == nil {
		bnd.isNull = C.sb2(-1)
	} else {
		zone := zoneOffset(*value, &bnd.zoneBuf)
		bnd.cZone = C.CString(zone)
		r = C.OCIDateTimeConstruct(
			unsafe.Pointer(bnd.stmt.ses.srv.env.ocienv), //dvoid         *hndl,
			bnd.stmt.ses.srv.env.ocierr,                 //OCIError      *err,
			bnd.ociDateTime,                             //OCIDateTime   *datetime,
			C.sb2(value.Year()),                         //sb2           year,
			C.ub1(int32(value.Month())),                 //ub1           month,
			C.ub1(value.Day()),                          //ub1           day,
			C.ub1(value.Hour()),                         //ub1           hour,
			C.ub1(value.Minute()),                       //ub1           min,
			C.ub1(value.Second()),                       //ub1           sec,
			C.ub4(value.Nanosecond()),                   //ub4           fsec,
			(*C.OraText)(unsafe.Pointer(bnd.cZone)),     //OraText       *timezone,
			C.size_t(len(zone)))                         //size_t        timezone_length );
		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.ociDateTime),              //void         *valuep,
		C.LENGTH_TYPE(unsafe.Sizeof(bnd.ociDateTime)), //sb8          value_sz,
		C.SQLT_TIMESTAMP_TZ,                           //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
}
Exemple #3
0
func (s *OCI8Stmt) bind(args []driver.Value) (boundParameters []oci8bind, err error) {
	if args == nil {
		return nil, nil
	}

	var (
		dty   C.ub2
		cdata *C.char
		clen  C.sb4
	)
	*s.bp = nil
	for i, v := range args {

		switch v.(type) {
		case nil:
			dty = C.SQLT_STR
			cdata = nil
			clen = 0
		case []byte:
			v := v.([]byte)
			dty = C.SQLT_BIN
			cdata = CByte(v)
			clen = C.sb4(len(v))
			boundParameters = append(boundParameters, oci8bind{dty, unsafe.Pointer(cdata)})

		case float64:
			fb := math.Float64bits(v.(float64))
			if fb&0x8000000000000000 != 0 {
				fb ^= 0xffffffffffffffff
			} else {
				fb |= 0x8000000000000000
			}
			dty = C.SQLT_IBDOUBLE
			cdata = CByte([]byte{byte(fb >> 56), byte(fb >> 48), byte(fb >> 40), byte(fb >> 32), byte(fb >> 24), byte(fb >> 16), byte(fb >> 8), byte(fb)})
			clen = 8
			boundParameters = append(boundParameters, oci8bind{dty, unsafe.Pointer(cdata)})

		case time.Time:

			var pt unsafe.Pointer
			var zp unsafe.Pointer

			now := v.(time.Time)
			_, offset := now.Zone()

			sign := '+'
			if offset < 0 {
				offset = -offset
				sign = '-'
			}
			offset /= 60

			// oracle accepts zones "[+-]hh:mm"
			zone := fmt.Sprintf("%c%02d:%02d", sign, offset/60, offset%60)
			zoneTxt := now.Location().String()

			size := len(zoneTxt)
			if size < 8 {
				size = 8
			}
			size += int(unsafe.Sizeof(unsafe.Pointer(nil)))
			if ret := C.WrapOCIDescriptorAlloc(
				s.c.env,
				C.OCI_DTYPE_TIMESTAMP_TZ,
				C.size_t(size)); ret.rv != C.OCI_SUCCESS {
				defer freeBoundParameters(boundParameters)
				return nil, ociGetError(s.c.err)
			} else {
				dty = C.SQLT_TIMESTAMP_TZ
				clen = C.sb4(unsafe.Sizeof(pt))
				pt = ret.extra
				*(*unsafe.Pointer)(ret.extra) = ret.ptr
				zp = unsafe.Pointer(uintptr(ret.extra) + unsafe.Sizeof(unsafe.Pointer(nil)))
				boundParameters = append(boundParameters, oci8bind{dty, pt})

			}
			for first := true; ; first = false {
				copy((*[1 << 30]byte)(zp)[0:len(zone)], zone)
				rv := C.OCIDateTimeConstruct(
					s.c.env,
					(*C.OCIError)(s.c.err),
					(*C.OCIDateTime)(*(*unsafe.Pointer)(pt)),
					C.sb2(now.Year()),
					C.ub1(now.Month()),
					C.ub1(now.Day()),
					C.ub1(now.Hour()),
					C.ub1(now.Minute()),
					C.ub1(now.Second()),
					C.ub4(now.Nanosecond()),
					(*C.OraText)(zp),
					C.size_t(len(zone)),
				)
				if rv != C.OCI_SUCCESS {
					if !first {
						defer freeBoundParameters(boundParameters)
						return nil, ociGetError(s.c.err)
					}
					zone = zoneTxt
				} else {
					break
				}
			}

			cdata = (*C.char)(pt)

		case string:
			v := v.(string)
			dty = C.SQLT_AFC // don't trim strings !!!
			cdata = C.CString(v)
			clen = C.sb4(len(v))
			boundParameters = append(boundParameters, oci8bind{dty, unsafe.Pointer(cdata)})
		case int64:
			val := v.(int64)
			dty = C.SQLT_INT
			clen = C.sb4(8) // not tested on i386. may only work on amd64
			cdata = (*C.char)(C.malloc(8))
			buf := (*[1 << 30]byte)(unsafe.Pointer(cdata))[0:8]
			buf[0] = byte(val & 0x0ff)
			buf[1] = byte(val >> 8 & 0x0ff)
			buf[2] = byte(val >> 16 & 0x0ff)
			buf[3] = byte(val >> 24 & 0x0ff)
			buf[4] = byte(val >> 32 & 0x0ff)
			buf[5] = byte(val >> 40 & 0x0ff)
			buf[6] = byte(val >> 48 & 0x0ff)
			buf[7] = byte(val >> 56 & 0x0ff)
			boundParameters = append(boundParameters, oci8bind{dty, unsafe.Pointer(cdata)})

		case bool: // oracle dont have bool, handle as 0/1
			dty = C.SQLT_INT
			clen = C.sb4(1)
			cdata = (*C.char)(C.malloc(10))
			if v.(bool) {
				*cdata = 1
			} else {
				*cdata = 0
			}
			boundParameters = append(boundParameters, oci8bind{dty, unsafe.Pointer(cdata)})

		default:
			dty = C.SQLT_CHR
			d := fmt.Sprintf("%v", v)
			clen = C.sb4(len(d))
			cdata = C.CString(d)
			boundParameters = append(boundParameters, oci8bind{dty, unsafe.Pointer(cdata)})
		}

		if rv := C.OCIBindByPos(
			(*C.OCIStmt)(s.s),
			s.bp,
			(*C.OCIError)(s.c.err),
			C.ub4(i+1),
			unsafe.Pointer(cdata),
			clen,
			dty,
			nil,
			nil,
			nil,
			0,
			nil,
			C.OCI_DEFAULT); rv != C.OCI_SUCCESS {
			defer freeBoundParameters(boundParameters)
			return nil, ociGetError(s.c.err)
		}
	}
	return boundParameters, nil
}
Exemple #4
0
func (s *OCI8Stmt) bind(args []namedValue) (boundParameters []oci8bind, err error) {
	if len(args) == 0 {
		return nil, nil
	}

	var (
		dty   C.ub2
		cdata *C.char
		clen  C.sb4
	)
	*s.bp = nil
	for i, uv := range args {

		switch v := uv.Value.(type) {
		case nil:
			dty = C.SQLT_STR
			cdata = nil
			clen = 0
		case []byte:
			dty = C.SQLT_BIN
			cdata = CByte(v)
			clen = C.sb4(len(v))
			boundParameters = append(boundParameters, oci8bind{dty, unsafe.Pointer(cdata)})

		case float64:
			fb := math.Float64bits(v)
			if fb&0x8000000000000000 != 0 {
				fb ^= 0xffffffffffffffff
			} else {
				fb |= 0x8000000000000000
			}
			dty = C.SQLT_IBDOUBLE
			cdata = CByte([]byte{byte(fb >> 56), byte(fb >> 48), byte(fb >> 40), byte(fb >> 32), byte(fb >> 24), byte(fb >> 16), byte(fb >> 8), byte(fb)})
			clen = 8
			boundParameters = append(boundParameters, oci8bind{dty, unsafe.Pointer(cdata)})

		case time.Time:

			var pt unsafe.Pointer
			var zp unsafe.Pointer

			zone, offset := v.Zone()

			size := len(zone)
			if size < 8 {
				size = 8
			}
			size += int(unsafe.Sizeof(unsafe.Pointer(nil)))
			if ret := C.WrapOCIDescriptorAlloc(
				s.c.env,
				C.OCI_DTYPE_TIMESTAMP_TZ,
				C.size_t(size)); ret.rv != C.OCI_SUCCESS {
				defer freeBoundParameters(boundParameters)
				return nil, ociGetError(ret.rv, s.c.err)
			} else {
				dty = C.SQLT_TIMESTAMP_TZ
				clen = C.sb4(unsafe.Sizeof(pt))
				pt = ret.extra
				*(*unsafe.Pointer)(ret.extra) = ret.ptr
				zp = unsafe.Pointer(uintptr(ret.extra) + unsafe.Sizeof(unsafe.Pointer(nil)))
				boundParameters = append(boundParameters, oci8bind{dty, pt})

			}

			tryagain := false

			copy((*[1 << 30]byte)(zp)[0:len(zone)], zone)
			rv := C.OCIDateTimeConstruct(
				s.c.env,
				(*C.OCIError)(s.c.err),
				(*C.OCIDateTime)(*(*unsafe.Pointer)(pt)),
				C.sb2(v.Year()),
				C.ub1(v.Month()),
				C.ub1(v.Day()),
				C.ub1(v.Hour()),
				C.ub1(v.Minute()),
				C.ub1(v.Second()),
				C.ub4(v.Nanosecond()),
				(*C.OraText)(zp),
				C.size_t(len(zone)),
			)
			if rv != C.OCI_SUCCESS {
				tryagain = true
			} else {
				//check if oracle timezone offset is same ?
				rvz := C.WrapOCIDateTimeGetTimeZoneNameOffset(
					(*C.OCIEnv)(s.c.env),
					(*C.OCIError)(s.c.err),
					(*C.OCIDateTime)(*(*unsafe.Pointer)(pt)))
				if rvz.rv != C.OCI_SUCCESS {
					defer freeBoundParameters(boundParameters)
					return nil, ociGetError(rvz.rv, s.c.err)
				}
				if offset != int(rvz.h)*60*60+int(rvz.m)*60 {
					//fmt.Println("oracle timezone offset dont match", zone, offset, int(rvz.h)*60*60+int(rvz.m)*60)
					tryagain = true
				}
			}

			if tryagain {
				sign := '+'
				if offset < 0 {
					offset = -offset
					sign = '-'
				}
				offset /= 60
				// oracle accept zones "[+-]hh:mm", try second time
				zone = fmt.Sprintf("%c%02d:%02d", sign, offset/60, offset%60)

				copy((*[1 << 30]byte)(zp)[0:len(zone)], zone)
				rv := C.OCIDateTimeConstruct(
					s.c.env,
					(*C.OCIError)(s.c.err),
					(*C.OCIDateTime)(*(*unsafe.Pointer)(pt)),
					C.sb2(v.Year()),
					C.ub1(v.Month()),
					C.ub1(v.Day()),
					C.ub1(v.Hour()),
					C.ub1(v.Minute()),
					C.ub1(v.Second()),
					C.ub4(v.Nanosecond()),
					(*C.OraText)(zp),
					C.size_t(len(zone)),
				)
				if rv != C.OCI_SUCCESS {
					defer freeBoundParameters(boundParameters)
					return nil, ociGetError(rv, s.c.err)
				}
			}

			cdata = (*C.char)(pt)

		case string:
			dty = C.SQLT_AFC // don't trim strings !!!
			cdata = C.CString(v)
			clen = C.sb4(len(v))
			boundParameters = append(boundParameters, oci8bind{dty, unsafe.Pointer(cdata)})
		case int64:
			dty = C.SQLT_INT
			clen = C.sb4(8) // not tested on i386. may only work on amd64
			cdata = (*C.char)(C.malloc(8))
			buf := (*[1 << 30]byte)(unsafe.Pointer(cdata))[0:8]
			buf[0] = byte(v & 0x0ff)
			buf[1] = byte(v >> 8 & 0x0ff)
			buf[2] = byte(v >> 16 & 0x0ff)
			buf[3] = byte(v >> 24 & 0x0ff)
			buf[4] = byte(v >> 32 & 0x0ff)
			buf[5] = byte(v >> 40 & 0x0ff)
			buf[6] = byte(v >> 48 & 0x0ff)
			buf[7] = byte(v >> 56 & 0x0ff)
			boundParameters = append(boundParameters, oci8bind{dty, unsafe.Pointer(cdata)})

		case bool: // oracle dont have bool, handle as 0/1
			dty = C.SQLT_INT
			clen = C.sb4(1)
			cdata = (*C.char)(C.malloc(10))
			if v {
				*cdata = 1
			} else {
				*cdata = 0
			}
			boundParameters = append(boundParameters, oci8bind{dty, unsafe.Pointer(cdata)})

		default:
			dty = C.SQLT_CHR
			d := fmt.Sprintf("%v", v)
			clen = C.sb4(len(d))
			cdata = C.CString(d)
			boundParameters = append(boundParameters, oci8bind{dty, unsafe.Pointer(cdata)})
		}

		if uv.Name != "" {
			name := ":" + uv.Name
			cname := C.CString(name)
			defer C.free(unsafe.Pointer(cname))
			if rv := C.OCIBindByName(
				(*C.OCIStmt)(s.s),
				s.bp,
				(*C.OCIError)(s.c.err),
				(*C.OraText)(unsafe.Pointer(cname)),
				C.sb4(len(name)),
				unsafe.Pointer(cdata),
				clen,
				dty,
				nil,
				nil,
				nil,
				0,
				nil,
				C.OCI_DEFAULT); rv != C.OCI_SUCCESS {
			}
		} else {
			if rv := C.OCIBindByPos(
				(*C.OCIStmt)(s.s),
				s.bp,
				(*C.OCIError)(s.c.err),
				C.ub4(i+1),
				unsafe.Pointer(cdata),
				clen,
				dty,
				nil,
				nil,
				nil,
				0,
				nil,
				C.OCI_DEFAULT); rv != C.OCI_SUCCESS {
				defer freeBoundParameters(boundParameters)
				return nil, ociGetError(rv, s.c.err)
			}
		}
	}
	return boundParameters, nil
}
Exemple #5
0
func (bnd *bndTimeSlice) bind(values []time.Time, nullInds []C.sb2, position int, stmt *Stmt) error {
	bnd.stmt = stmt
	bnd.ociDateTimes = make([]*C.OCIDateTime, len(values))
	if nullInds == nil {
		nullInds = make([]C.sb2, len(values))
	}
	alenp := make([]C.ACTUAL_LENGTH_TYPE, len(values))
	rcodep := make([]C.ub2, len(values))
	for n, timeValue := range values {
		timezoneStr := zoneOffset(timeValue, &bnd.zoneBuf)
		cTimezoneStr := C.CString(timezoneStr)
		defer func() {
			C.free(unsafe.Pointer(cTimezoneStr))
		}()
		r := C.OCIDescriptorAlloc(
			unsafe.Pointer(bnd.stmt.ses.srv.env.ocienv),             //CONST dvoid   *parenth,
			(*unsafe.Pointer)(unsafe.Pointer(&bnd.ociDateTimes[n])), //dvoid         **descpp,
			C.OCI_DTYPE_TIMESTAMP_TZ,                                //ub4           type,
			0,   //size_t        xtramem_sz,
			nil) //dvoid         **usrmempp);
		if r == C.OCI_ERROR {
			return bnd.stmt.ses.srv.env.ociError()
		} else if r == C.OCI_INVALID_HANDLE {
			return errNew("unable to allocate oci timestamp handle during bind")
		}
		r = C.OCIDateTimeConstruct(
			unsafe.Pointer(bnd.stmt.ses.srv.env.ocienv), //dvoid         *hndl,
			bnd.stmt.ses.srv.env.ocierr,                 //OCIError      *err,
			bnd.ociDateTimes[n],                         //OCIDateTime   *datetime,
			C.sb2(timeValue.Year()),                     //sb2           year,
			C.ub1(int32(timeValue.Month())),             //ub1           month,
			C.ub1(timeValue.Day()),                      //ub1           day,
			C.ub1(timeValue.Hour()),                     //ub1           hour,
			C.ub1(timeValue.Minute()),                   //ub1           min,
			C.ub1(timeValue.Second()),                   //ub1           sec,
			C.ub4(timeValue.Nanosecond()),               //ub4           fsec,
			(*C.OraText)(unsafe.Pointer(cTimezoneStr)),  //OraText       *timezone,
			C.size_t(len(timezoneStr)))                  //size_t        timezone_length );
		if r == C.OCI_ERROR {
			return bnd.stmt.ses.srv.env.ociError()
		}
		alenp[n] = C.ACTUAL_LENGTH_TYPE(unsafe.Sizeof(bnd.ociDateTimes[n]))
	}

	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.ociDateTimes[0]),              //void         *valuep,
		C.LENGTH_TYPE(unsafe.Sizeof(bnd.ociDateTimes[0])), //sb8          value_sz,
		C.SQLT_TIMESTAMP_TZ,                               //ub2          dty,
		unsafe.Pointer(&nullInds[0]),                      //void         *indp,
		&alenp[0],                                         //ub2          *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(unsafe.Sizeof(bnd.ociDateTimes[0])), //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
}