mirror of
https://github.com/restic/restic.git
synced 2025-10-29 14:03:06 +00:00
Vendor dependencies for GCS
This commit is contained in:
Alexander Neumann
265
vendor/cloud.google.com/go/bigquery/params.go
generated
vendored
Normal file
265
vendor/cloud.google.com/go/bigquery/params.go
generated
vendored
Normal file
@@ -0,0 +1,265 @@
|
||||
// Copyright 2016 Google Inc. All Rights Reserved.
|
||||
//
|
||||
// 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 bigquery
|
||||
|
||||
import (
|
||||
"encoding/base64"
|
||||
"errors"
|
||||
"fmt"
|
||||
"reflect"
|
||||
"regexp"
|
||||
"time"
|
||||
|
||||
"cloud.google.com/go/civil"
|
||||
"cloud.google.com/go/internal/fields"
|
||||
|
||||
bq "google.golang.org/api/bigquery/v2"
|
||||
)
|
||||
|
||||
var (
|
||||
// See https://cloud.google.com/bigquery/docs/reference/standard-sql/data-types#timestamp-type.
|
||||
timestampFormat = "2006-01-02 15:04:05.999999-07:00"
|
||||
|
||||
// See https://cloud.google.com/bigquery/docs/reference/rest/v2/tables#schema.fields.name
|
||||
validFieldName = regexp.MustCompile("^[a-zA-Z_][a-zA-Z0-9_]{0,127}$")
|
||||
)
|
||||
|
||||
func bqTagParser(t reflect.StructTag) (name string, keep bool, other interface{}, err error) {
|
||||
if s := t.Get("bigquery"); s != "" {
|
||||
if s == "-" {
|
||||
return "", false, nil, nil
|
||||
}
|
||||
if !validFieldName.MatchString(s) {
|
||||
return "", false, nil, errInvalidFieldName
|
||||
}
|
||||
return s, true, nil, nil
|
||||
}
|
||||
return "", true, nil, nil
|
||||
}
|
||||
|
||||
var fieldCache = fields.NewCache(bqTagParser, nil, nil)
|
||||
|
||||
var (
|
||||
int64ParamType = &bq.QueryParameterType{Type: "INT64"}
|
||||
float64ParamType = &bq.QueryParameterType{Type: "FLOAT64"}
|
||||
boolParamType = &bq.QueryParameterType{Type: "BOOL"}
|
||||
stringParamType = &bq.QueryParameterType{Type: "STRING"}
|
||||
bytesParamType = &bq.QueryParameterType{Type: "BYTES"}
|
||||
dateParamType = &bq.QueryParameterType{Type: "DATE"}
|
||||
timeParamType = &bq.QueryParameterType{Type: "TIME"}
|
||||
dateTimeParamType = &bq.QueryParameterType{Type: "DATETIME"}
|
||||
timestampParamType = &bq.QueryParameterType{Type: "TIMESTAMP"}
|
||||
)
|
||||
|
||||
var (
|
||||
typeOfDate = reflect.TypeOf(civil.Date{})
|
||||
typeOfTime = reflect.TypeOf(civil.Time{})
|
||||
typeOfDateTime = reflect.TypeOf(civil.DateTime{})
|
||||
typeOfGoTime = reflect.TypeOf(time.Time{})
|
||||
)
|
||||
|
||||
// A QueryParameter is a parameter to a query.
|
||||
type QueryParameter struct {
|
||||
// Name is used for named parameter mode.
|
||||
// It must match the name in the query case-insensitively.
|
||||
Name string
|
||||
|
||||
// Value is the value of the parameter.
|
||||
// The following Go types are supported, with their corresponding
|
||||
// Bigquery types:
|
||||
// int, int8, int16, int32, int64, uint8, uint16, uint32: INT64
|
||||
// Note that uint, uint64 and uintptr are not supported, because
|
||||
// they may contain values that cannot fit into a 64-bit signed integer.
|
||||
// float32, float64: FLOAT64
|
||||
// bool: BOOL
|
||||
// string: STRING
|
||||
// []byte: BYTES
|
||||
// time.Time: TIMESTAMP
|
||||
// Arrays and slices of the above.
|
||||
// Structs of the above. Only the exported fields are used.
|
||||
Value interface{}
|
||||
}
|
||||
|
||||
func (p QueryParameter) toRaw() (*bq.QueryParameter, error) {
|
||||
pv, err := paramValue(reflect.ValueOf(p.Value))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
pt, err := paramType(reflect.TypeOf(p.Value))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return &bq.QueryParameter{
|
||||
Name: p.Name,
|
||||
ParameterValue: &pv,
|
||||
ParameterType: pt,
|
||||
}, nil
|
||||
}
|
||||
|
||||
func paramType(t reflect.Type) (*bq.QueryParameterType, error) {
|
||||
if t == nil {
|
||||
return nil, errors.New("bigquery: nil parameter")
|
||||
}
|
||||
switch t {
|
||||
case typeOfDate:
|
||||
return dateParamType, nil
|
||||
case typeOfTime:
|
||||
return timeParamType, nil
|
||||
case typeOfDateTime:
|
||||
return dateTimeParamType, nil
|
||||
case typeOfGoTime:
|
||||
return timestampParamType, nil
|
||||
}
|
||||
switch t.Kind() {
|
||||
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Uint8, reflect.Uint16, reflect.Uint32:
|
||||
return int64ParamType, nil
|
||||
|
||||
case reflect.Float32, reflect.Float64:
|
||||
return float64ParamType, nil
|
||||
|
||||
case reflect.Bool:
|
||||
return boolParamType, nil
|
||||
|
||||
case reflect.String:
|
||||
return stringParamType, nil
|
||||
|
||||
case reflect.Slice:
|
||||
if t.Elem().Kind() == reflect.Uint8 {
|
||||
return bytesParamType, nil
|
||||
}
|
||||
fallthrough
|
||||
|
||||
case reflect.Array:
|
||||
et, err := paramType(t.Elem())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return &bq.QueryParameterType{Type: "ARRAY", ArrayType: et}, nil
|
||||
|
||||
case reflect.Ptr:
|
||||
if t.Elem().Kind() != reflect.Struct {
|
||||
break
|
||||
}
|
||||
t = t.Elem()
|
||||
fallthrough
|
||||
|
||||
case reflect.Struct:
|
||||
var fts []*bq.QueryParameterTypeStructTypes
|
||||
fields, err := fieldCache.Fields(t)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
for _, f := range fields {
|
||||
pt, err := paramType(f.Type)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
fts = append(fts, &bq.QueryParameterTypeStructTypes{
|
||||
Name: f.Name,
|
||||
Type: pt,
|
||||
})
|
||||
}
|
||||
return &bq.QueryParameterType{Type: "STRUCT", StructTypes: fts}, nil
|
||||
}
|
||||
return nil, fmt.Errorf("bigquery: Go type %s cannot be represented as a parameter type", t)
|
||||
}
|
||||
|
||||
func paramValue(v reflect.Value) (bq.QueryParameterValue, error) {
|
||||
var res bq.QueryParameterValue
|
||||
if !v.IsValid() {
|
||||
return res, errors.New("bigquery: nil parameter")
|
||||
}
|
||||
t := v.Type()
|
||||
switch t {
|
||||
case typeOfDate:
|
||||
res.Value = v.Interface().(civil.Date).String()
|
||||
return res, nil
|
||||
|
||||
case typeOfTime:
|
||||
// civil.Time has nanosecond resolution, but BigQuery TIME only microsecond.
|
||||
res.Value = civilTimeParamString(v.Interface().(civil.Time))
|
||||
return res, nil
|
||||
|
||||
case typeOfDateTime:
|
||||
dt := v.Interface().(civil.DateTime)
|
||||
res.Value = dt.Date.String() + " " + civilTimeParamString(dt.Time)
|
||||
return res, nil
|
||||
|
||||
case typeOfGoTime:
|
||||
res.Value = v.Interface().(time.Time).Format(timestampFormat)
|
||||
return res, nil
|
||||
}
|
||||
switch t.Kind() {
|
||||
case reflect.Slice:
|
||||
if t.Elem().Kind() == reflect.Uint8 {
|
||||
res.Value = base64.StdEncoding.EncodeToString(v.Interface().([]byte))
|
||||
return res, nil
|
||||
}
|
||||
fallthrough
|
||||
|
||||
case reflect.Array:
|
||||
var vals []*bq.QueryParameterValue
|
||||
for i := 0; i < v.Len(); i++ {
|
||||
val, err := paramValue(v.Index(i))
|
||||
if err != nil {
|
||||
return bq.QueryParameterValue{}, err
|
||||
}
|
||||
vals = append(vals, &val)
|
||||
}
|
||||
return bq.QueryParameterValue{ArrayValues: vals}, nil
|
||||
|
||||
case reflect.Ptr:
|
||||
if t.Elem().Kind() != reflect.Struct {
|
||||
return res, fmt.Errorf("bigquery: Go type %s cannot be represented as a parameter value", t)
|
||||
}
|
||||
t = t.Elem()
|
||||
v = v.Elem()
|
||||
if !v.IsValid() {
|
||||
// nil pointer becomes empty value
|
||||
return res, nil
|
||||
}
|
||||
fallthrough
|
||||
|
||||
case reflect.Struct:
|
||||
fields, err := fieldCache.Fields(t)
|
||||
if err != nil {
|
||||
return bq.QueryParameterValue{}, err
|
||||
}
|
||||
res.StructValues = map[string]bq.QueryParameterValue{}
|
||||
for _, f := range fields {
|
||||
fv := v.FieldByIndex(f.Index)
|
||||
fp, err := paramValue(fv)
|
||||
if err != nil {
|
||||
return bq.QueryParameterValue{}, err
|
||||
}
|
||||
res.StructValues[f.Name] = fp
|
||||
}
|
||||
return res, nil
|
||||
}
|
||||
// None of the above: assume a scalar type. (If it's not a valid type,
|
||||
// paramType will catch the error.)
|
||||
res.Value = fmt.Sprint(v.Interface())
|
||||
return res, nil
|
||||
}
|
||||
|
||||
func civilTimeParamString(t civil.Time) string {
|
||||
if t.Nanosecond == 0 {
|
||||
return t.String()
|
||||
} else {
|
||||
micro := (t.Nanosecond + 500) / 1000 // round to nearest microsecond
|
||||
t.Nanosecond = 0
|
||||
return t.String() + fmt.Sprintf(".%06d", micro)
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user