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func_binary.go
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func_binary.go
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// Copyright 2021 - 2022 Matrix Origin
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package function
import (
"bytes"
"context"
"crypto/sha256"
"crypto/sha512"
"encoding/hex"
"fmt"
"math"
"strconv"
"strings"
"time"
"github.com/matrixorigin/matrixone/pkg/common/moerr"
"github.com/matrixorigin/matrixone/pkg/container/bytejson"
"github.com/matrixorigin/matrixone/pkg/container/types"
"github.com/matrixorigin/matrixone/pkg/container/vector"
"github.com/matrixorigin/matrixone/pkg/sql/plan/function/functionUtil"
"github.com/matrixorigin/matrixone/pkg/util/fault"
"github.com/matrixorigin/matrixone/pkg/vectorize/floor"
"github.com/matrixorigin/matrixone/pkg/vectorize/format"
"github.com/matrixorigin/matrixone/pkg/vectorize/instr"
"github.com/matrixorigin/matrixone/pkg/vectorize/moarray"
"github.com/matrixorigin/matrixone/pkg/vm/process"
"golang.org/x/exp/constraints"
)
func AddFaultPoint(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
for i := 0; i < 5; i++ {
if ivecs[i].IsConstNull() || !ivecs[i].IsConst() {
return moerr.NewInvalidArg(proc.Ctx, "AddFaultPoint", "not scalar")
}
}
name, _ := vector.GenerateFunctionStrParameter(ivecs[0]).GetStrValue(0)
freq, _ := vector.GenerateFunctionStrParameter(ivecs[1]).GetStrValue(0)
action, _ := vector.GenerateFunctionStrParameter(ivecs[2]).GetStrValue(0)
iarg, _ := vector.GenerateFunctionFixedTypeParameter[int64](ivecs[3]).GetValue(0)
sarg, _ := vector.GenerateFunctionStrParameter(ivecs[4]).GetStrValue(0)
rs := vector.MustFunctionResult[bool](result)
if err = fault.AddFaultPoint(proc.Ctx, string(name), string(freq), string(action), iarg, string(sarg)); err != nil {
return err
}
if err = rs.Append(true, false); err != nil {
return
}
return nil
}
type mathMultiT interface {
constraints.Integer | constraints.Float | types.Decimal64 | types.Decimal128
}
type mathMultiFun[T mathMultiT] func(T, int64) T
func generalMathMulti[T mathMultiT](funcName string, ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int,
cb mathMultiFun[T]) (err error) {
digits := int64(0)
if len(ivecs) > 1 {
if ivecs[1].IsConstNull() || !ivecs[1].IsConst() {
return moerr.NewInvalidArg(proc.Ctx, fmt.Sprintf("the second argument of the %s", funcName), "not const")
}
digits = vector.MustFixedCol[int64](ivecs[1])[0]
}
return opUnaryFixedToFixed[T, T](ivecs, result, proc, length, func(x T) T {
return cb(x, digits)
})
}
func CeilStr(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
digits := int64(0)
if len(ivecs) > 1 {
if !ivecs[1].IsConst() || ivecs[1].GetType().Oid != types.T_int64 {
return moerr.NewInvalidArg(proc.Ctx, fmt.Sprintf("the second argument of the %s", "ceil"), "not const")
}
digits = vector.MustFixedCol[int64](ivecs[1])[0]
}
return opUnaryStrToFixedWithErrorCheck[float64](ivecs, result, proc, length, func(v string) (float64, error) {
floatVal, err1 := strconv.ParseFloat(v, 64)
if err1 != nil {
return 0, err1
}
return ceilFloat64(floatVal, digits), nil
})
}
func ceilInt64(x, digits int64) int64 {
switch {
case digits >= 0:
return x
case digits > -floor.MaxInt64digits:
scale := int64(floor.ScaleTable[-digits])
t := x % scale
s := x
if t != 0 {
s -= t
if s >= 0 && x > 0 {
x = (s + scale) / scale * scale
} else {
x = s
}
}
case digits <= -floor.MaxInt64digits:
x = 0
}
return x
}
func ceilUint64(x uint64, digits int64) uint64 {
switch {
case digits >= 0:
return x
case digits > -floor.MaxUint64digits:
scale := floor.ScaleTable[-digits]
t := x % scale
s := x
if t != 0 {
s -= t
x = (s + scale) / scale * scale
}
case digits <= -floor.MaxUint64digits:
x = 0
}
return x
}
func ceilFloat64(x float64, digits int64) float64 {
if digits == 0 {
return math.Ceil(x)
}
scale := math.Pow10(int(digits))
value := x * scale
x = math.Ceil(value) / scale
return x
}
func CeilUint64(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
return generalMathMulti("ceil", ivecs, result, proc, length, ceilUint64)
}
func CeilInt64(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
return generalMathMulti("ceil", ivecs, result, proc, length, ceilInt64)
}
func CeilFloat64(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
return generalMathMulti("ceil", ivecs, result, proc, length, ceilFloat64)
}
func ceilDecimal64(x types.Decimal64, digits int64, scale int32) types.Decimal64 {
if digits > 19 {
digits = 19
}
if digits < -18 {
digits = -18
}
return x.Ceil(scale, int32(digits))
}
func ceilDecimal128(x types.Decimal128, digits int64, scale int32) types.Decimal128 {
if digits > 39 {
digits = 19
}
if digits < -38 {
digits = -38
}
return x.Ceil(scale, int32(digits))
}
func CeilDecimal64(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
scale := ivecs[0].GetType().Scale
if len(ivecs) > 1 {
digit := vector.MustFixedCol[int64](ivecs[1])
if len(digit) > 0 && int32(digit[0]) <= scale-18 {
return moerr.NewOutOfRange(proc.Ctx, "decimal64", "ceil(decimal64(18,%v),%v)", scale, digit[0])
}
}
cb := func(x types.Decimal64, digits int64) types.Decimal64 {
return ceilDecimal64(x, digits, scale)
}
return generalMathMulti("ceil", ivecs, result, proc, length, cb)
}
func CeilDecimal128(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
scale := ivecs[0].GetType().Scale
if len(ivecs) > 1 {
digit := vector.MustFixedCol[int64](ivecs[1])
if len(digit) > 0 && int32(digit[0]) <= scale-38 {
return moerr.NewOutOfRange(proc.Ctx, "decimal128", "ceil(decimal128(38,%v),%v)", scale, digit[0])
}
}
cb := func(x types.Decimal128, digits int64) types.Decimal128 {
return ceilDecimal128(x, digits, scale)
}
return generalMathMulti("ceil", ivecs, result, proc, length, cb)
}
var MaxUint64digits = numOfDigits(math.MaxUint64) // 20
var MaxInt64digits = numOfDigits(math.MaxInt64) // 19
func numOfDigits(value uint64) int64 {
digits := int64(0)
for value > 0 {
value /= 10
digits++
}
return digits
}
// ScaleTable is a lookup array for digits
var ScaleTable = [...]uint64{
1,
10,
100,
1000,
10000,
100000,
1000000,
10000000,
100000000,
1000000000,
10000000000,
100000000000,
1000000000000,
10000000000000,
100000000000000,
1000000000000000,
10000000000000000,
100000000000000000,
1000000000000000000,
10000000000000000000, // 1 followed by 19 zeros, maxUint64 number has 20 digits, so the max scale is 1 followed by 19 zeroes
}
func floorUint64(x uint64, digits int64) uint64 {
switch {
case digits >= 0:
return x
case digits > -MaxUint64digits:
scale := ScaleTable[-digits]
x = x / scale * scale
case digits <= -MaxUint64digits:
x = 0
}
return x
}
func FloorUInt64(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
return generalMathMulti("floor", ivecs, result, proc, length, floorUint64)
}
func floorInt64(x int64, digits int64) int64 {
switch {
case digits >= 0:
return x
case digits > -MaxInt64digits:
scale := int64(ScaleTable[-digits])
value := x
if value < 0 {
value -= scale - 1
}
x = value / scale * scale
case digits <= -MaxInt64digits:
x = 0
}
return x
}
func FloorInt64(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
return generalMathMulti("floor", ivecs, result, proc, length, floorInt64)
}
func floorFloat64(x float64, digits int64) float64 {
if digits == 0 {
return math.Floor(x)
}
scale := math.Pow10(int(digits))
value := x * scale
return math.Floor(value) / scale
}
func FloorFloat64(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
return generalMathMulti("floor", ivecs, result, proc, length, floorFloat64)
}
func floorDecimal64(x types.Decimal64, digits int64, scale int32) types.Decimal64 {
if digits > 19 {
digits = 19
}
if digits < -18 {
digits = -18
}
return x.Floor(scale, int32(digits))
}
func floorDecimal128(x types.Decimal128, digits int64, scale int32) types.Decimal128 {
if digits > 39 {
digits = 39
}
if digits < -38 {
digits = -38
}
return x.Floor(scale, int32(digits))
}
func FloorDecimal64(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
scale := ivecs[0].GetType().Scale
if len(ivecs) > 1 {
digit := vector.MustFixedCol[int64](ivecs[1])
if len(digit) > 0 && int32(digit[0]) <= scale-18 {
return moerr.NewOutOfRange(proc.Ctx, "decimal64", "floor(decimal64(18,%v),%v)", scale, digit[0])
}
}
cb := func(x types.Decimal64, digits int64) types.Decimal64 {
return floorDecimal64(x, digits, scale)
}
return generalMathMulti("floor", ivecs, result, proc, length, cb)
}
func FloorDecimal128(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
scale := ivecs[0].GetType().Scale
if len(ivecs) > 1 {
digit := vector.MustFixedCol[int64](ivecs[1])
if len(digit) > 0 && int32(digit[0]) <= scale-38 {
return moerr.NewOutOfRange(proc.Ctx, "decimal128", "floor(decimal128(38,%v),%v)", scale, digit[0])
}
}
cb := func(x types.Decimal128, digits int64) types.Decimal128 {
return floorDecimal128(x, digits, scale)
}
return generalMathMulti("floor", ivecs, result, proc, length, cb)
}
func FloorStr(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
digits := int64(0)
if len(ivecs) > 1 {
if !ivecs[1].IsConst() || ivecs[1].GetType().Oid != types.T_int64 {
return moerr.NewInvalidArg(proc.Ctx, fmt.Sprintf("the second argument of the %s", "ceil"), "not const")
}
digits = vector.MustFixedCol[int64](ivecs[1])[0]
}
rs := vector.MustFunctionResult[float64](result)
ivec := vector.GenerateFunctionStrParameter(ivecs[0])
for i := uint64(0); i < uint64(length); i++ {
v, null := ivec.GetStrValue(i)
if null {
if err = rs.Append(0, true); err != nil {
return err
}
} else {
floatVal, err := strconv.ParseFloat(string(v), 64)
if err != nil {
return err
}
if err = rs.Append(floorFloat64(floatVal, digits), false); err != nil {
return err
}
}
}
return nil
}
func roundUint64(x uint64, digits int64) uint64 {
switch {
case digits >= 0:
return x
case digits > -MaxUint64digits: // round algorithm contributed by @ffftian
scale := ScaleTable[-digits]
step1 := x / scale * scale
step2 := x % scale
if step2 >= scale/2 {
x = step1 + scale
if x < step1 {
panic(moerr.NewOutOfRangeNoCtx("uint64", "ROUND"))
}
} else {
x = step1
}
case digits <= -MaxUint64digits:
x = 0
}
return x
}
func RoundUint64(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
return generalMathMulti("round", ivecs, result, proc, length, roundUint64)
}
func roundInt64(x int64, digits int64) int64 {
switch {
case digits >= 0:
return x
case digits > -MaxInt64digits:
scale := int64(ScaleTable[-digits]) // round algorithm contributed by @ffftian
if x > 0 {
step1 := x / scale * scale
step2 := x % scale
if step2 >= scale/2 {
x = step1 + scale
if x < step1 {
panic(moerr.NewOutOfRangeNoCtx("int64", "ROUND"))
}
} else {
x = step1
}
} else if x < 0 {
step1 := x / scale * scale
step2 := x % scale // module operation with negative numbers, the result is negative
if step2 <= scale/2 {
x = step1 - scale
if x > step1 {
panic(moerr.NewOutOfRangeNoCtx("int64", "ROUND"))
}
} else {
x = step1
}
} else {
x = 0
}
case digits <= MaxInt64digits:
x = 0
}
return x
}
func RoundInt64(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
return generalMathMulti("round", ivecs, result, proc, length, roundInt64)
}
func roundFloat64(x float64, digits int64) float64 {
if digits == 0 {
x = math.RoundToEven(x)
} else if digits >= 308 { // the range of float64
} else if digits <= -308 {
x = 0
} else {
var abs_digits uint64
if digits < 0 {
abs_digits = uint64(-digits)
} else {
abs_digits = uint64(digits)
}
var tmp = math.Pow(10.0, float64(abs_digits))
if digits > 0 {
var value_mul_tmp = x * tmp
x = math.RoundToEven(value_mul_tmp) / tmp
} else {
var value_div_tmp = x / tmp
x = math.RoundToEven(value_div_tmp) * tmp
}
}
return x
}
func RoundFloat64(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
return generalMathMulti("round", ivecs, result, proc, length, roundFloat64)
}
func roundDecimal64(x types.Decimal64, digits int64, scale int32) types.Decimal64 {
if digits > 19 {
digits = 19
}
if digits < -18 {
digits = -18
}
return x.Round(scale, int32(digits))
}
func roundDecimal128(x types.Decimal128, digits int64, scale int32) types.Decimal128 {
if digits > 39 {
digits = 39
}
if digits < -38 {
digits = -38
}
return x.Round(scale, int32(digits))
}
func RoundDecimal64(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
scale := ivecs[0].GetType().Scale
cb := func(x types.Decimal64, digits int64) types.Decimal64 {
return roundDecimal64(x, digits, scale)
}
return generalMathMulti("round", ivecs, result, proc, length, cb)
}
func RoundDecimal128(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
scale := ivecs[0].GetType().Scale
cb := func(x types.Decimal128, digits int64) types.Decimal128 {
return roundDecimal128(x, digits, scale)
}
return generalMathMulti("round", ivecs, result, proc, length, cb)
}
type NormalType interface {
constraints.Integer | constraints.Float | bool | types.Date | types.Datetime |
types.Decimal64 | types.Decimal128 | types.Timestamp | types.Uuid
}
func coalesceCheck(overloads []overload, inputs []types.Type) checkResult {
if len(inputs) > 0 {
minIndex := -1
minOid := types.T(0)
minCost := math.MaxInt
overloadRequire := make([]types.T, len(inputs))
for i, over := range overloads {
requireOid := over.args[0]
for j := range overloadRequire {
overloadRequire[j] = requireOid
}
sta, cos := tryToMatch(inputs, overloadRequire)
if sta == matchFailed {
continue
} else if sta == matchDirectly {
return newCheckResultWithSuccess(i)
} else {
if cos < minCost {
minIndex = i
minCost = cos
minOid = requireOid
}
}
}
if minIndex == -1 {
return newCheckResultWithFailure(failedFunctionParametersWrong)
}
castType := make([]types.Type, len(inputs))
for i := range castType {
if minOid == inputs[i].Oid {
castType[i] = inputs[i]
} else {
castType[i] = minOid.ToType()
setTargetScaleFromSource(&inputs[i], &castType[i])
}
}
if minOid.IsDecimal() || minOid.IsDateRelate() {
setMaxScaleForAll(castType)
}
return newCheckResultWithCast(minIndex, castType)
}
return newCheckResultWithFailure(failedFunctionParametersWrong)
}
func CoalesceGeneral[T NormalType](ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
rs := vector.MustFunctionResult[T](result)
vecs := make([]vector.FunctionParameterWrapper[T], len(ivecs))
for i := range ivecs {
vecs[i] = vector.GenerateFunctionFixedTypeParameter[T](ivecs[i])
}
var t T
for i := uint64(0); i < uint64(length); i++ {
isFill := false
for j := range vecs {
v, null := vecs[j].GetValue(i)
if null {
continue
}
if err = rs.Append(v, false); err != nil {
return err
}
isFill = true
break
}
if !isFill {
if err = rs.Append(t, true); err != nil {
return err
}
}
}
return nil
}
func CoalesceStr(ivecs []*vector.Vector, result vector.FunctionResultWrapper, _ *process.Process, length int) (err error) {
rs := vector.MustFunctionResult[types.Varlena](result)
vecs := make([]vector.FunctionParameterWrapper[types.Varlena], len(ivecs))
for i := range ivecs {
vecs[i] = vector.GenerateFunctionStrParameter(ivecs[i])
}
for i := uint64(0); i < uint64(length); i++ {
isFill := false
for j := range vecs {
v, null := vecs[j].GetStrValue(i)
if null {
continue
}
if err = rs.AppendBytes(v, false); err != nil {
return err
}
isFill = true
break
}
if !isFill {
if err = rs.AppendBytes(nil, true); err != nil {
return err
}
}
}
return nil
}
func concatWsCheck(overloads []overload, inputs []types.Type) checkResult {
// all args should be string or can cast to string type.
if len(inputs) > 1 {
ret := make([]types.Type, len(inputs))
shouldConvert := false
for i, t := range inputs {
if t.Oid.IsMySQLString() {
ret[i] = t
continue
}
if can, _ := fixedImplicitTypeCast(t, types.T_varchar); can {
shouldConvert = true
ret[i] = types.T_varchar.ToType()
} else {
return newCheckResultWithFailure(failedFunctionParametersWrong)
}
}
if shouldConvert {
return newCheckResultWithCast(0, ret)
}
return newCheckResultWithSuccess(0)
}
return newCheckResultWithFailure(failedFunctionParametersWrong)
}
func ConcatWs(ivecs []*vector.Vector, result vector.FunctionResultWrapper, _ *process.Process, length int) (err error) {
rs := vector.MustFunctionResult[types.Varlena](result)
vecs := make([]vector.FunctionParameterWrapper[types.Varlena], len(ivecs))
for i := range ivecs {
vecs[i] = vector.GenerateFunctionStrParameter(ivecs[i])
}
for i := uint64(0); i < uint64(length); i++ {
sp, null := vecs[0].GetStrValue(i)
if null {
if err = rs.AppendBytes(nil, true); err != nil {
return err
}
continue
}
allNull := true
canSp := false
var str string
for j := 1; j < len(vecs); j++ {
v, null := vecs[j].GetStrValue(i)
if null {
continue
}
if canSp {
str += string(sp)
}
canSp = true
str += string(v)
allNull = false
}
if allNull {
if err = rs.AppendBytes(nil, true); err != nil {
return err
}
continue
}
if err = rs.AppendBytes([]byte(str), false); err != nil {
return err
}
}
return nil
}
func ConvertTz(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
dates := vector.GenerateFunctionFixedTypeParameter[types.Datetime](ivecs[0])
fromTzs := vector.GenerateFunctionStrParameter(ivecs[1])
toTzs := vector.GenerateFunctionStrParameter(ivecs[2])
rs := vector.MustFunctionResult[types.Varlena](result)
var fromLoc, toLoc *time.Location
if ivecs[1].IsConst() && !ivecs[1].IsConstNull() {
fromTz, _ := fromTzs.GetStrValue(0)
fromLoc = convertTimezone(string(fromTz))
}
if ivecs[2].IsConst() && !ivecs[2].IsConstNull() {
toTz, _ := toTzs.GetStrValue(0)
toLoc = convertTimezone(string(toTz))
}
for i := uint64(0); i < uint64(length); i++ {
date, null1 := dates.GetValue(i)
fromTz, null2 := fromTzs.GetStrValue(i)
toTz, null3 := toTzs.GetStrValue(i)
if null1 || null2 || null3 {
if err = rs.AppendBytes(nil, true); err != nil {
return err
}
return nil
} else if len(fromTz) == 0 || len(toTz) == 0 {
if err = rs.AppendBytes(nil, true); err != nil {
return err
}
return nil
} else {
if !ivecs[1].IsConst() {
fromLoc = convertTimezone(string(fromTz))
}
if !ivecs[2].IsConst() {
toLoc = convertTimezone(string(toTz))
}
if fromLoc == nil || toLoc == nil {
if err = rs.AppendBytes(nil, true); err != nil {
return err
}
return nil
}
maxStartTime := time.Date(9999, 12, 31, 23, 59, 59, 0, fromLoc)
maxEndTime := time.Date(9999, 12, 31, 23, 59, 59, 0, toLoc)
minStartTime := time.Date(0001, 1, 1, 0, 0, 0, 0, fromLoc)
minEndTime := time.Date(0001, 1, 1, 0, 0, 0, 0, toLoc)
startTime := date.ConvertToGoTime(fromLoc)
if startTime.After(maxStartTime) { // if startTime > maxTime, return maxTime
if err = rs.AppendBytes([]byte(maxStartTime.Format(time.DateTime)), false); err != nil {
return err
}
} else if startTime.Before(minStartTime) { // if startTime < minTime, return minTime
if err = rs.AppendBytes([]byte(minStartTime.Format(time.DateTime)), false); err != nil {
return err
}
} else { // if minTime <= startTime <= maxTime
endTime := startTime.In(toLoc)
if endTime.After(maxEndTime) || endTime.Before(minEndTime) { // if endTime > maxTime or endTime < maxTime, return startTime
if err = rs.AppendBytes([]byte(startTime.Format(time.DateTime)), false); err != nil {
return err
}
} else {
if err = rs.AppendBytes([]byte(endTime.Format(time.DateTime)), false); err != nil {
return err
}
}
}
}
}
return nil
}
func convertTimezone(tz string) *time.Location {
loc, err := time.LoadLocation(tz)
if err != nil && tz[0] != '+' && tz[0] != '-' {
return nil
}
// convert from timezone offset to location
if tz[0] == '+' || tz[0] == '-' {
parts := strings.Split(tz, ":")
if len(parts) != 2 {
return nil
}
hours, err := strconv.Atoi(parts[0])
if err != nil {
return nil
} else if hours < -13 || hours > 14 { // timezone should be in [-13, 14]
return nil
}
minutes, err := strconv.Atoi(parts[1])
if tz[0] == '-' {
minutes = -minutes
}
if err != nil {
return nil
}
offset := time.Duration(hours)*time.Hour + time.Duration(minutes)*time.Minute
loc = time.FixedZone("GMT", int(offset.Seconds()))
}
return loc
}
func doDateAdd(start types.Date, diff int64, iTyp types.IntervalType) (types.Date, error) {
err := types.JudgeIntervalNumOverflow(diff, iTyp)
if err != nil {
return 0, err
}
dt, success := start.ToDatetime().AddInterval(diff, iTyp, types.DateType)
if success {
return dt.ToDate(), nil
} else {
return 0, moerr.NewOutOfRangeNoCtx("date", "")
}
}
func doTimeAdd(start types.Time, diff int64, iTyp types.IntervalType) (types.Time, error) {
err := types.JudgeIntervalNumOverflow(diff, iTyp)
if err != nil {
return 0, err
}
t, success := start.AddInterval(diff, iTyp)
if success {
return t, nil
} else {
return 0, moerr.NewOutOfRangeNoCtx("time", "")
}
}
func doDatetimeAdd(start types.Datetime, diff int64, iTyp types.IntervalType) (types.Datetime, error) {
err := types.JudgeIntervalNumOverflow(diff, iTyp)
if err != nil {
return 0, err
}
dt, success := start.AddInterval(diff, iTyp, types.DateTimeType)
if success {
return dt, nil
} else {
return 0, moerr.NewOutOfRangeNoCtx("datetime", "")
}
}
func doDateStringAdd(startStr string, diff int64, iTyp types.IntervalType) (types.Datetime, error) {
err := types.JudgeIntervalNumOverflow(diff, iTyp)
if err != nil {
return 0, err
}
start, err := types.ParseDatetime(startStr, 6)
if err != nil {
return 0, err
}
dt, success := start.AddInterval(diff, iTyp, types.DateType)
if success {
return dt, nil
} else {
return 0, moerr.NewOutOfRangeNoCtx("datetime", "")
}
}
func doTimestampAdd(loc *time.Location, start types.Timestamp, diff int64, iTyp types.IntervalType) (types.Timestamp, error) {
err := types.JudgeIntervalNumOverflow(diff, iTyp)
if err != nil {
return 0, err
}
dt, success := start.ToDatetime(loc).AddInterval(diff, iTyp, types.DateTimeType)
if success {
return dt.ToTimestamp(loc), nil
} else {
return 0, moerr.NewOutOfRangeNoCtx("timestamp", "")
}
}
func DateAdd(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
unit, _ := vector.GenerateFunctionFixedTypeParameter[int64](ivecs[2]).GetValue(0)
iTyp := types.IntervalType(unit)
return opBinaryFixedFixedToFixedWithErrorCheck[types.Date, int64, types.Date](ivecs, result, proc, length, func(v1 types.Date, v2 int64) (types.Date, error) {
return doDateAdd(v1, v2, iTyp)
})
}
func DatetimeAdd(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
unit, _ := vector.GenerateFunctionFixedTypeParameter[int64](ivecs[2]).GetValue(0)
scale := ivecs[0].GetType().Scale
iTyp := types.IntervalType(unit)
if iTyp == types.MicroSecond {
scale = 6
}
rs := vector.MustFunctionResult[types.Datetime](result)
rs.TempSetType(types.New(types.T_datetime, 0, scale))
return opBinaryFixedFixedToFixedWithErrorCheck[types.Datetime, int64, types.Datetime](ivecs, result, proc, length, func(v1 types.Datetime, v2 int64) (types.Datetime, error) {
return doDatetimeAdd(v1, v2, iTyp)
})
}
func DateStringAdd(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
unit, _ := vector.GenerateFunctionFixedTypeParameter[int64](ivecs[2]).GetValue(0)
iTyp := types.IntervalType(unit)
rs := vector.MustFunctionResult[types.Datetime](result)
rs.TempSetType(types.New(types.T_datetime, 0, 6))
return opBinaryStrFixedToFixedWithErrorCheck[int64, types.Datetime](ivecs, result, proc, length, func(v1 string, v2 int64) (types.Datetime, error) {
return doDateStringAdd(v1, v2, iTyp)
})
}
func TimestampAdd(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
rs := vector.MustFunctionResult[types.Timestamp](result)
unit, _ := vector.GenerateFunctionFixedTypeParameter[int64](ivecs[2]).GetValue(0)
scale := ivecs[0].GetType().Scale
iTyp := types.IntervalType(unit)
switch iTyp {
case types.MicroSecond:
scale = 6
}
rs.TempSetType(types.New(types.T_timestamp, 0, scale))
return opBinaryFixedFixedToFixedWithErrorCheck[types.Timestamp, int64, types.Timestamp](ivecs, result, proc, length, func(v1 types.Timestamp, v2 int64) (types.Timestamp, error) {
return doTimestampAdd(proc.SessionInfo.TimeZone, v1, v2, iTyp)
})
}
func TimeAdd(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
rs := vector.MustFunctionResult[types.Time](result)
unit, _ := vector.GenerateFunctionFixedTypeParameter[int64](ivecs[2]).GetValue(0)
scale := ivecs[0].GetType().Scale
iTyp := types.IntervalType(unit)
switch iTyp {
case types.MicroSecond:
scale = 6
}
rs.TempSetType(types.New(types.T_time, 0, scale))
return opBinaryFixedFixedToFixedWithErrorCheck[types.Time, int64, types.Time](ivecs, result, proc, length, func(v1 types.Time, v2 int64) (types.Time, error) {
return doTimeAdd(v1, v2, iTyp)
})
}
func DateFormat(ivecs []*vector.Vector, result vector.FunctionResultWrapper, proc *process.Process, length int) (err error) {
if !ivecs[1].IsConst() {
return moerr.NewInvalidArg(proc.Ctx, "date format format", "not constant")
}
rs := vector.MustFunctionResult[types.Varlena](result)
dates := vector.GenerateFunctionFixedTypeParameter[types.Datetime](ivecs[0])
formats := vector.GenerateFunctionStrParameter(ivecs[1])
fmt, null2 := formats.GetStrValue(0)
var dateFmtOperator DateFormatFunc
switch string(fmt) {
case "%d/%m/%Y":
dateFmtOperator = date_format_combine_pattern1
case "%Y%m%d":
dateFmtOperator = date_format_combine_pattern2
case "%Y":
dateFmtOperator = date_format_combine_pattern3
case "%Y-%m-%d":
dateFmtOperator = date_format_combine_pattern4
case "%Y-%m-%d %H:%i:%s", "%Y-%m-%d %T":
dateFmtOperator = date_format_combine_pattern5
case "%Y/%m/%d":
dateFmtOperator = date_format_combine_pattern6
case "%Y/%m/%d %H:%i:%s", "%Y/%m/%d %T":
dateFmtOperator = date_format_combine_pattern7
default:
dateFmtOperator = datetimeFormat
}
//format := "%b %D %M" -> []func{func1,func2, func3}
var buf bytes.Buffer
for i := uint64(0); i < uint64(length); i++ {
d, null1 := dates.GetValue(i)
if null1 || null2 {
if err = rs.AppendBytes(nil, true); err != nil {
return err
}
} else {
buf.Reset()
if err = dateFmtOperator(proc.Ctx, d, string(fmt), &buf); err != nil {
return err
}
if err = rs.AppendBytes(buf.Bytes(), false); err != nil {
return err
}
}
}
return nil
}
type DateFormatFunc func(ctx context.Context, datetime types.Datetime, format string, buf *bytes.Buffer) error
// DATE_FORMAT datetime
// handle '%d/%m/%Y' -> 22/04/2021
func date_format_combine_pattern1(ctx context.Context, t types.Datetime, format string, buf *bytes.Buffer) error {
month := int(t.Month())
day := int(t.Day())
year := int(t.Year())
// Convert numbers to strings using bitwise operations and append them to a buffer
buf.Grow(10) // Pre allocate sufficient buffer size
// Date and month conversion
buf.WriteByte(byte('0' + (day / 10 % 10)))