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feat: add support for time/time64 #1596
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,348 @@ | ||
| // Licensed to ClickHouse, Inc. under one or more contributor | ||
| // license agreements. See the NOTICE file distributed with | ||
| // this work for additional information regarding copyright | ||
| // ownership. ClickHouse, Inc. licenses this file to you 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 column | ||
|
|
||
| import ( | ||
| "database/sql" | ||
| "database/sql/driver" | ||
| "fmt" | ||
| "reflect" | ||
| "strconv" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/ClickHouse/ch-go/proto" | ||
| "github.com/ClickHouse/clickhouse-go/v2/lib/timezone" | ||
| ) | ||
|
|
||
| const defaultTimeFormat = "15:04:05" | ||
|
|
||
| type Time struct { | ||
| chType Type | ||
| timezone *time.Location | ||
| name string | ||
| col proto.ColTime | ||
| } | ||
|
|
||
| func (col *Time) Reset() { | ||
| col.col.Reset() | ||
| } | ||
|
|
||
| func (col *Time) Name() string { | ||
| return col.name | ||
| } | ||
|
|
||
| func (col *Time) parse(t Type, tz *time.Location) (_ Interface, err error) { | ||
| col.chType = t | ||
| if strings.HasPrefix(string(t), "Time('") { | ||
| timezoneName := strings.TrimSuffix(strings.TrimPrefix(string(t), "Time('"), "')") | ||
| timezone, err := timezone.Load(timezoneName) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| col.timezone = timezone | ||
| return col, nil | ||
| } | ||
| if string(t) == "Time" { | ||
| col.timezone = tz | ||
| return col, nil | ||
| } | ||
| return nil, &UnsupportedColumnTypeError{t: t} | ||
| } | ||
|
|
||
| func (col *Time) Type() Type { | ||
| return col.chType | ||
| } | ||
|
|
||
| func (col *Time) ScanType() reflect.Type { | ||
| return scanTypeTime | ||
| } | ||
|
|
||
| func (col *Time) Rows() int { | ||
| return col.col.Rows() | ||
| } | ||
|
|
||
| func (col *Time) Row(i int, ptr bool) any { | ||
| value := col.row(i) | ||
| if ptr { | ||
| return &value | ||
| } | ||
| return value | ||
| } | ||
|
|
||
| func (col *Time) ScanRow(dest any, row int) error { | ||
| switch d := dest.(type) { | ||
| case *time.Time: | ||
| *d = col.row(row) | ||
| case **time.Time: | ||
| *d = new(time.Time) | ||
| **d = col.row(row) | ||
| case *int64: | ||
| t := col.row(row) | ||
| *d = int64(t.Hour()*3600 + t.Minute()*60 + t.Second()) | ||
| case **int64: | ||
| *d = new(int64) | ||
| t := col.row(row) | ||
| **d = int64(t.Hour()*3600 + t.Minute()*60 + t.Second()) | ||
| case *sql.NullTime: | ||
| return d.Scan(col.row(row)) | ||
| case *string: | ||
| *d = col.row(row).Format(defaultTimeFormat) | ||
| case **string: | ||
| *d = new(string) | ||
| **d = col.row(row).Format(defaultTimeFormat) | ||
| default: | ||
| if scan, ok := dest.(sql.Scanner); ok { | ||
| return scan.Scan(col.row(row)) | ||
| } | ||
| return &ColumnConverterError{ | ||
| Op: "ScanRow", | ||
| To: fmt.Sprintf("%T", dest), | ||
| From: "Time", | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (col *Time) Append(v any) (nulls []uint8, err error) { | ||
| switch v := v.(type) { | ||
| case []int64: | ||
| nulls = make([]uint8, len(v)) | ||
| for i := range v { | ||
| seconds := v[i] | ||
| hours := seconds / 3600 | ||
| minutes := (seconds % 3600) / 60 | ||
| secs := seconds % 60 | ||
| col.col.Append(proto.FromTime32(time.Date(1970, 1, 1, int(hours), int(minutes), int(secs), 0, time.UTC))) | ||
| } | ||
| case []*int64: | ||
| nulls = make([]uint8, len(v)) | ||
| for i := range v { | ||
| switch { | ||
| case v[i] != nil: | ||
| seconds := *v[i] | ||
| hours := seconds / 3600 | ||
| minutes := (seconds % 3600) / 60 | ||
| secs := seconds % 60 | ||
| col.col.Append(proto.FromTime32(time.Date(1970, 1, 1, int(hours), int(minutes), int(secs), 0, time.UTC))) | ||
| default: | ||
| col.col.Append(proto.FromTime32(time.Time{})) | ||
| nulls[i] = 1 | ||
| } | ||
| } | ||
| case []time.Time: | ||
| nulls = make([]uint8, len(v)) | ||
| for i := range v { | ||
| col.col.Append(proto.FromTime32(v[i])) | ||
| } | ||
| case []*time.Time: | ||
| nulls = make([]uint8, len(v)) | ||
| for i := range v { | ||
| switch { | ||
| case v[i] != nil: | ||
| col.col.Append(proto.FromTime32(*v[i])) | ||
| default: | ||
| col.col.Append(proto.FromTime32(time.Time{})) | ||
| nulls[i] = 1 | ||
| } | ||
| } | ||
| case []sql.NullTime: | ||
| nulls = make([]uint8, len(v)) | ||
| for i := range v { | ||
| col.AppendRow(v[i]) | ||
| } | ||
| case []*sql.NullTime: | ||
| nulls = make([]uint8, len(v)) | ||
| for i := range v { | ||
| if v[i] == nil { | ||
| nulls[i] = 1 | ||
| } | ||
| col.AppendRow(v[i]) | ||
| } | ||
| case []string: | ||
| nulls = make([]uint8, len(v)) | ||
| for i := range v { | ||
| value, err := col.parseTime(v[i]) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| col.col.Append(proto.FromTime32(value)) | ||
| } | ||
| default: | ||
| if valuer, ok := v.(driver.Valuer); ok { | ||
| val, err := valuer.Value() | ||
| if err != nil { | ||
| return nil, &ColumnConverterError{ | ||
| Op: "Append", | ||
| To: "Time", | ||
| From: fmt.Sprintf("%T", v), | ||
| Hint: "could not get driver.Valuer value", | ||
| } | ||
| } | ||
| return col.Append(val) | ||
| } | ||
| return nil, &ColumnConverterError{ | ||
| Op: "Append", | ||
| To: "Time", | ||
| From: fmt.Sprintf("%T", v), | ||
| } | ||
| } | ||
| return | ||
| } | ||
|
|
||
| func (col *Time) AppendRow(v any) error { | ||
| switch v := v.(type) { | ||
| case int64: | ||
| seconds := v | ||
| hours := seconds / 3600 | ||
| minutes := (seconds % 3600) / 60 | ||
| secs := seconds % 60 | ||
| col.col.Append(proto.FromTime32(time.Date(1970, 1, 1, int(hours), int(minutes), int(secs), 0, time.UTC))) | ||
| case *int64: | ||
| switch { | ||
| case v != nil: | ||
| seconds := *v | ||
| hours := seconds / 3600 | ||
| minutes := (seconds % 3600) / 60 | ||
| secs := seconds % 60 | ||
| col.col.Append(proto.FromTime32(time.Date(1970, 1, 1, int(hours), int(minutes), int(secs), 0, time.UTC))) | ||
| default: | ||
| col.col.Append(proto.FromTime32(time.Time{})) | ||
| } | ||
| case time.Time: | ||
| col.col.Append(proto.FromTime32(v)) | ||
| case *time.Time: | ||
| switch { | ||
| case v != nil: | ||
| col.col.Append(proto.FromTime32(*v)) | ||
| default: | ||
| col.col.Append(proto.FromTime32(time.Time{})) | ||
| } | ||
| case sql.NullTime: | ||
| if v.Valid { | ||
| col.col.Append(proto.FromTime32(v.Time)) | ||
| } else { | ||
| col.col.Append(proto.FromTime32(time.Time{})) | ||
| } | ||
| case *sql.NullTime: | ||
| switch { | ||
| case v != nil && v.Valid: | ||
| col.col.Append(proto.FromTime32(v.Time)) | ||
| default: | ||
| col.col.Append(proto.FromTime32(time.Time{})) | ||
| } | ||
| case string: | ||
| value, err := col.parseTime(v) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| col.col.Append(proto.FromTime32(value)) | ||
| case *string: | ||
| switch { | ||
| case v != nil: | ||
| value, err := col.parseTime(*v) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| col.col.Append(proto.FromTime32(value)) | ||
| default: | ||
| col.col.Append(proto.FromTime32(time.Time{})) | ||
| } | ||
| default: | ||
| if valuer, ok := v.(driver.Valuer); ok { | ||
| val, err := valuer.Value() | ||
| if err != nil { | ||
| return &ColumnConverterError{ | ||
| Op: "AppendRow", | ||
| To: "Time", | ||
| From: fmt.Sprintf("%T", v), | ||
| Hint: "could not get driver.Valuer value", | ||
| } | ||
| } | ||
| return col.AppendRow(val) | ||
| } | ||
| return &ColumnConverterError{ | ||
| Op: "AppendRow", | ||
| To: "Time", | ||
| From: fmt.Sprintf("%T", v), | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (col *Time) Decode(reader *proto.Reader, rows int) error { | ||
| return col.col.DecodeColumn(reader, rows) | ||
| } | ||
|
|
||
| func (col *Time) Encode(buffer *proto.Buffer) { | ||
| col.col.EncodeColumn(buffer) | ||
| } | ||
|
|
||
| func (col *Time) row(i int) time.Time { | ||
| return col.col.Row(i).ToTime32() | ||
| } | ||
|
|
||
| func (col *Time) parseTime(value string) (tv time.Time, err error) { | ||
| value = strings.TrimSpace(value) | ||
| if value == "" { | ||
| return time.Time{}, nil | ||
| } | ||
|
|
||
| formats := []string{ | ||
| "15:04:05", | ||
| "15:04", | ||
| "15:04:05.999", | ||
| "15:04:05.999999", | ||
| "15:04:05.999999999", | ||
| "3:04:05 PM", | ||
| "3:04 PM", | ||
| "15:04:05 -07:00", | ||
| "15:04:05.999 -07:00", | ||
| } | ||
|
|
||
| for _, format := range formats { | ||
| if tv, err = time.Parse(format, value); err == nil { | ||
| timezone := time.UTC | ||
| if col.timezone != nil { | ||
| timezone = col.timezone | ||
| } | ||
| return time.Date(1970, 1, 1, tv.Hour(), tv.Minute(), tv.Second(), tv.Nanosecond(), timezone), nil | ||
| } | ||
| } | ||
|
|
||
| if seconds, err := strconv.ParseInt(value, 10, 64); err == nil { | ||
| hours := seconds / 3600 | ||
| minutes := (seconds % 3600) / 60 | ||
| secs := seconds % 60 | ||
| timezone := time.UTC | ||
| if col.timezone != nil { | ||
| timezone = col.timezone | ||
| } | ||
| return time.Date(1970, 1, 1, int(hours), int(minutes), int(secs), 0, timezone), nil | ||
| } | ||
|
|
||
| return time.Time{}, fmt.Errorf("cannot parse time value: %s", value) | ||
| } | ||
|
|
||
| func (col *Time) WriteStatePrefix(buffer *proto.Buffer) error { | ||
| return nil | ||
| } | ||
|
|
||
| func (col *Time) ReadStatePrefix(reader *proto.Reader) error { | ||
| return nil | ||
| } |
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updated to bring changes from ClickHouse/ch-go#1074
this is using commit id, a new tag is not created.