Golang common.NewQueryError函数代码示例

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本文整理汇总了Golang中common.NewQueryError函数的典型用法代码示例。如果您正苦于以下问题：Golang NewQueryError函数的具体用法？Golang NewQueryError怎么用？Golang NewQueryError使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了NewQueryError函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: NewCountAggregator

func NewCountAggregator(q *parser.SelectQuery, v *parser.Value, defaultValue *parser.Value) (Aggregator, error) {
	if len(v.Elems) != 1 {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, "function count() requires exactly one argument")
	}

	if v.Elems[0].Type == parser.ValueWildcard {
		return nil, common.NewQueryError(common.InvalidArgument, "function count() doesn't work with wildcards")
	}

	wrappedDefaultValue, err := wrapDefaultValue(defaultValue)
	if err != nil {
		return nil, err
	}

	if v.Elems[0].Type != parser.ValueSimpleName {
		innerName := strings.ToLower(v.Elems[0].Name)
		init := registeredAggregators[innerName]
		if init == nil {
			return nil, common.NewQueryError(common.InvalidArgument, fmt.Sprintf("Unknown function %s", innerName))
		}
		inner, err := init(q, v.Elems[0], defaultValue)
		if err != nil {
			return nil, err
		}
		return NewCompositeAggregator(&CountAggregator{AbstractAggregator{}, wrappedDefaultValue, v.Alias}, inner)
	}

	return &CountAggregator{AbstractAggregator{}, wrappedDefaultValue, v.Alias}, nil
}

开发者ID:9cat，项目名称:influxdb，代码行数:29，代码来源:aggregator.go

示例2: NewTopOrBottomAggregator

func NewTopOrBottomAggregator(name string, v *parser.Value, isTop bool, defaultValue *parser.Value) (Aggregator, error) {
	if len(v.Elems) != 2 {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, fmt.Sprintf("function %s() requires at exactly 2 arguments", name))
	}

	if v.Elems[1].Type != parser.ValueInt {
		return nil, common.NewQueryError(common.InvalidArgument, fmt.Sprintf("function %s() second parameter expect int", name))
	}

	wrappedDefaultValue, err := wrapDefaultValue(defaultValue)
	if err != nil {
		return nil, err
	}

	limit, err := strconv.ParseInt(v.Elems[1].Name, 10, 64)
	if err != nil {
		return nil, err
	}

	return &TopOrBottomAggregator{
		AbstractAggregator: AbstractAggregator{
			value: v.Elems[0],
		},
		name:         name,
		isTop:        isTop,
		defaultValue: wrappedDefaultValue,
		alias:        v.Alias,
		limit:        limit}, nil
}

开发者ID:9cat，项目名称:influxdb，代码行数:29，代码来源:aggregator.go

示例3: NewPercentileAggregator

func NewPercentileAggregator(_ *parser.SelectQuery, value *parser.Value, defaultValue *parser.Value) (Aggregator, error) {
	if len(value.Elems) != 2 {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, "function percentile() requires exactly two arguments")
	}
	percentile, err := strconv.ParseFloat(value.Elems[1].Name, 64)

	if err != nil || percentile <= 0 || percentile >= 100 {
		return nil, common.NewQueryError(common.InvalidArgument, "function percentile() requires a numeric second argument between 0 and 100")
	}

	wrappedDefaultValue, err := wrapDefaultValue(defaultValue)
	if err != nil {
		return nil, err
	}

	return &PercentileAggregator{
		AbstractAggregator: AbstractAggregator{
			value: value.Elems[0],
		},
		functionName: "percentile",
		percentile:   percentile,
		float_values: make(map[string]map[interface{}][]float64),
		defaultValue: wrappedDefaultValue,
	}, nil
}

开发者ID:nkts，项目名称:golang-devops-stuff，代码行数:25，代码来源:aggregator.go

示例4: NewPercentileAggregator

func NewPercentileAggregator(_ *parser.SelectQuery, value *parser.Value, defaultValue *parser.Value) (Aggregator, error) {
	if len(value.Elems) != 2 {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, "function percentile() requires exactly two arguments")
	}

	if value.Elems[0].Type == parser.ValueWildcard {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, "wildcard cannot be used with percentile")
	}

	percentile, err := strconv.ParseFloat(value.Elems[1].Name, 64)

	if err != nil || percentile <= 0 || percentile >= 100 {
		return nil, common.NewQueryError(common.InvalidArgument, "function percentile() requires a numeric second argument between 0 and 100")
	}

	wrappedDefaultValue, err := wrapDefaultValue(defaultValue)
	if err != nil {
		return nil, err
	}

	functionName := "percentile"
	if value.Alias != "" {
		functionName = value.Alias
	}

	return &PercentileAggregator{
		AbstractAggregator: AbstractAggregator{
			value: value.Elems[0],
		},
		functionName: functionName,
		percentile:   percentile,
		defaultValue: wrappedDefaultValue,
	}, nil
}

开发者ID:9cat，项目名称:influxdb，代码行数:34，代码来源:aggregator.go

示例5: NewStandardDeviationAggregator

func NewStandardDeviationAggregator(q *parser.Query, v *parser.Value) (Aggregator, error) {
	if len(v.Elems) != 1 {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, "function stddev() requires exactly one argument")
	}

	if v.Elems[0].Type == parser.ValueWildcard {
		return nil, common.NewQueryError(common.InvalidArgument, "function stddev() doesn't work with wildcards")
	}

	return &StandardDeviationAggregator{
		fieldName: v.Elems[0].Name,
		running:   make(map[string]map[interface{}]*StandardDeviationRunning),
	}, nil
}

开发者ID:nairboon，项目名称:influxdb，代码行数:14，代码来源:aggregator.go

示例6: NewDerivativeAggregator

func NewDerivativeAggregator(q *parser.Query, v *parser.Value) (Aggregator, error) {
	if len(v.Elems) != 1 {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, "function derivative() requires exactly one argument")
	}

	if v.Elems[0].Type == parser.ValueWildcard {
		return nil, common.NewQueryError(common.InvalidArgument, "function derivative() doesn't work with wildcards")
	}

	return &DerivativeAggregator{
		fieldName:  v.Elems[0].Name,
		lastValues: make(map[string]map[interface{}]*protocol.Point),
		points:     make(map[string]map[interface{}][]*protocol.FieldValue),
	}, nil
}

开发者ID:rudrapranay，项目名称:influxdb，代码行数:15，代码来源:aggregator.go

示例7: executeCountQueryWithGroupBy

func (self *QueryEngine) executeCountQueryWithGroupBy(query *parser.SelectQuery, yield func(*protocol.Series) error) error {
	self.aggregateYield = yield
	duration, err := query.GetGroupByClause().GetGroupByTime()
	if err != nil {
		return err
	}

	self.isAggregateQuery = true
	self.duration = duration
	self.aggregators = []Aggregator{}

	for _, value := range query.GetColumnNames() {
		if !value.IsFunctionCall() {
			continue
		}
		lowerCaseName := strings.ToLower(value.Name)
		initializer := registeredAggregators[lowerCaseName]
		if initializer == nil {
			return common.NewQueryError(common.InvalidArgument, fmt.Sprintf("Unknown function %s", value.Name))
		}
		aggregator, err := initializer(query, value, query.GetGroupByClause().FillValue)
		if err != nil {
			return common.NewQueryError(common.InvalidArgument, fmt.Sprintf("%s", err))
		}
		self.aggregators = append(self.aggregators, aggregator)
	}

	for _, elem := range query.GetGroupByClause().Elems {
		if elem.IsFunctionCall() {
			continue
		}
		self.elems = append(self.elems, elem)
	}

	self.fillWithZero = query.GetGroupByClause().FillWithZero

	self.initializeFields()

	err = self.distributeQuery(query, func(series *protocol.Series) error {
		if len(series.Points) == 0 {
			return nil
		}

		return self.aggregateValuesForSeries(series)
	})

	return err
}

开发者ID:hyc，项目名称:influxdb，代码行数:48，代码来源:engine.go

示例8: NewMedianAggregator

func NewMedianAggregator(_ *parser.SelectQuery, value *parser.Value, defaultValue *parser.Value) (Aggregator, error) {
	if len(value.Elems) != 1 {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, "function median() requires exactly one argument")
	}

	wrappedDefaultValue, err := wrapDefaultValue(defaultValue)
	if err != nil {
		return nil, err
	}

	functionName := "median"
	if value.Alias != "" {
		functionName = value.Alias
	}

	aggregator := &PercentileAggregator{
		AbstractAggregator: AbstractAggregator{
			value: value.Elems[0],
		},
		functionName: functionName,
		percentile:   50.0,
		defaultValue: wrappedDefaultValue,
		alias:        value.Alias,
	}
	return aggregator, nil
}

开发者ID:9cat，项目名称:influxdb，代码行数:26，代码来源:aggregator.go

示例9: NewCumulativeArithmeticAggregator

func NewCumulativeArithmeticAggregator(name string, value *parser.Value, initialValue float64, defaultValue *parser.Value, operation Operation) (Aggregator, error) {
	if len(value.Elems) != 1 {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, "function max() requires only one argument")
	}

	wrappedDefaultValue, err := wrapDefaultValue(defaultValue)
	if err != nil {
		return nil, err
	}

	if value.Alias != "" {
		name = value.Alias
	}

	return &CumulativeArithmeticAggregator{
		AbstractAggregator: AbstractAggregator{
			value: value.Elems[0],
		},
		name:         name,
		values:       make(map[string]map[interface{}]float64),
		operation:    operation,
		initialValue: initialValue,
		defaultValue: wrappedDefaultValue,
	}, nil
}

开发者ID:qq101，项目名称:influxdb，代码行数:25，代码来源:aggregator.go

示例10: RunQuery

func (self *QueryEngine) RunQuery(user common.User, database string, query string, yield func(*protocol.Series) error) (err error) {
	// don't let a panic pass beyond RunQuery
	defer func() {
		if err := recover(); err != nil {
			fmt.Fprintf(os.Stderr, "********************************BUG********************************\n")
			buf := make([]byte, 1024)
			n := runtime.Stack(buf, false)
			fmt.Fprintf(os.Stderr, "Database: %s\n", database)
			fmt.Fprintf(os.Stderr, "Query: [%s]\n", query)
			fmt.Fprintf(os.Stderr, "Error: %s. Stacktrace: %s\n", err, string(buf[:n]))
			err = common.NewQueryError(common.InternalError, "Internal Error")
		}
	}()

	q, err := parser.ParseQuery(query)
	if err != nil {
		return err
	}

	if isAggregateQuery(q) {
		return self.executeCountQueryWithGroupBy(user, database, q, yield)
	} else {
		return self.distributeQuery(user, database, q, yield)
	}
	return nil
}

开发者ID:pombredanne，项目名称:influxdb，代码行数:26，代码来源:engine.go

示例11: NewModeAggregator

func NewModeAggregator(_ *parser.SelectQuery, value *parser.Value, defaultValue *parser.Value) (Aggregator, error) {
	if len(value.Elems) < 1 {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, "function mode() requires at least one argument")
	}

	// TODO: Mode can in fact take two argument, the second specifies
	// the "size", but it's not clear if size is set to 2 whether to
	// return at least 2 elements, or return the most common values and
	// the second most common values. The difference will be apparent if
	// the data set is multimodel and there are two most common
	// values. In the first case, the two most common values will be
	// returned, but in the second case the two most common values and
	// the second most common values will be returned
	if len(value.Elems) > 1 {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, "function mode() takes at most one arguments")
	}

	size := 1
	if len(value.Elems) == 2 {
		switch value.Elems[1].Type {
		case parser.ValueInt:
			var err error
			size, err = strconv.Atoi(value.Elems[1].Name)
			if err != nil {
				return nil, common.NewQueryError(common.InvalidArgument, "Cannot parse %s into an int", value.Elems[1].Name)
			}
		default:
			return nil, common.NewQueryError(common.InvalidArgument, "Cannot parse %s into a int", value.Elems[1].Name)
		}
	}

	wrappedDefaultValue, err := wrapDefaultValue(defaultValue)
	if err != nil {
		return nil, err
	}

	return &ModeAggregator{
		AbstractAggregator: AbstractAggregator{
			value: value.Elems[0],
		},
		defaultValue: wrappedDefaultValue,
		alias:        value.Alias,
		size:         size,
	}, nil
}

开发者ID:hanshenu，项目名称:influxdb，代码行数:45，代码来源:aggregator.go

示例12: HashPassword

func HashPassword(password string) ([]byte, error) {
	if length := len(password); length < 4 || length > 56 {
		return nil, common.NewQueryError(common.InvalidArgument, "Password must be more than 4 and less than 56 characters")
	}

	// The second arg is the cost of the hashing, higher is slower but makes it harder
	// to brute force, since it will be really slow and impractical
	return bcrypt.GenerateFromPassword([]byte(password), 10)
}

开发者ID:sploit，项目名称:influxdb，代码行数:9，代码来源:user.go

示例13: NewModeAggregator

func NewModeAggregator(_ *parser.Query, value *parser.Value) (Aggregator, error) {
	if len(value.Elems) != 1 {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, "function mode() requires exactly one argument")
	}

	return &ModeAggregator{
		fieldName: value.Elems[0].Name,
		counts:    make(map[string]map[interface{}]map[float64]int),
	}, nil
}

开发者ID:rudrapranay，项目名称:influxdb，代码行数:10，代码来源:aggregator.go

示例14: InitializeFieldsMetadata

func (self *CumulativeArithmeticAggregator) InitializeFieldsMetadata(series *protocol.Series) error {
	for idx, field := range series.Fields {
		if field == self.fieldName {
			self.fieldIndex = idx
			return nil
		}
	}

	return common.NewQueryError(common.InvalidArgument, fmt.Sprintf("Unknown column name %s", self.fieldName))
}

开发者ID:rudrapranay，项目名称:influxdb，代码行数:10，代码来源:aggregator.go

示例15: NewHistogramAggregator

func NewHistogramAggregator(q *parser.SelectQuery, v *parser.Value, defaultValue *parser.Value) (Aggregator, error) {
	if len(v.Elems) < 1 {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, "function histogram() requires at least one arguments")
	}

	if len(v.Elems) > 2 {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, "function histogram() takes at most two arguments")
	}

	if v.Elems[0].Type == parser.ValueWildcard {
		return nil, common.NewQueryError(common.InvalidArgument, "function histogram() doesn't work with wildcards")
	}

	bucketSize := 1.0

	if len(v.Elems) == 2 {
		switch v.Elems[1].Type {
		case parser.ValueInt, parser.ValueFloat:
			var err error
			bucketSize, err = strconv.ParseFloat(v.Elems[1].Name, 64)
			if err != nil {
				return nil, common.NewQueryError(common.InvalidArgument, "Cannot parse %s into a float", v.Elems[1].Name)
			}
		default:
			return nil, common.NewQueryError(common.InvalidArgument, "Cannot parse %s into a float", v.Elems[1].Name)
		}
	}

	columnNames := []string{"bucket_start", "count"}
	if v.Alias != "" {
		columnNames[0] = fmt.Sprintf("%s_bucket_start", v.Alias)
		columnNames[1] = fmt.Sprintf("%s_count", v.Alias)
	}

	return &HistogramAggregator{
		AbstractAggregator: AbstractAggregator{
			value: v.Elems[0],
		},
		bucketSize:  bucketSize,
		histograms:  make(map[string]map[interface{}]map[int]int),
		columnNames: columnNames,
	}, nil
}

开发者ID:qq101，项目名称:influxdb，代码行数:43，代码来源:aggregator.go

示例16: GetGroupByTime

func (self GroupByClause) GetGroupByTime() (*time.Duration, error) {
	for _, groupBy := range self {
		if groupBy.IsFunctionCall() {
			// TODO: check the number of arguments and return an error
			if len(groupBy.Elems) != 1 {
				return nil, common.NewQueryError(common.WrongNumberOfArguments, "time function only accepts one argument")
			}
			// TODO: check the function name
			// TODO: error checking
			arg := groupBy.Elems[0].Name
			duration, err := time.ParseDuration(arg)
			if err != nil {
				return nil, common.NewQueryError(common.InvalidArgument, fmt.Sprintf("invalid argument %s to the time function", arg))
			}
			return &duration, nil
		}
	}
	return nil, nil
}

开发者ID:nairboon，项目名称:influxdb，代码行数:19，代码来源:parser.go

示例17: recoverFunc

func recoverFunc(database, query string) {
	if err := recover(); err != nil {
		fmt.Fprintf(os.Stderr, "********************************BUG********************************\n")
		buf := make([]byte, 1024)
		n := runtime.Stack(buf, false)
		fmt.Fprintf(os.Stderr, "Database: %s\n", database)
		fmt.Fprintf(os.Stderr, "Query: [%s]\n", query)
		fmt.Fprintf(os.Stderr, "Error: %s. Stacktrace: %s\n", err, string(buf[:n]))
		err = common.NewQueryError(common.InternalError, "Internal Error")
	}
}

开发者ID:rramos，项目名称:influxdb，代码行数:11，代码来源:coordinator.go

示例18: NewMedianAggregator

func NewMedianAggregator(_ *parser.Query, value *parser.Value) (Aggregator, error) {
	if len(value.Elems) != 1 {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, "function median() requires exactly one argument")
	}

	return &PercentileAggregator{
		functionName: "median",
		fieldName:    value.Elems[0].Name,
		percentile:   50.0,
		float_values: make(map[string]map[interface{}][]float64),
	}, nil
}

开发者ID:rudrapranay，项目名称:influxdb，代码行数:12，代码来源:aggregator.go

示例19: readFromResposneChannels

func (self *CoordinatorImpl) readFromResposneChannels(processor cluster.QueryProcessor,
	writer SeriesWriter,
	isExplainQuery bool,
	errors chan<- error,
	channels <-chan (<-chan *protocol.Response)) {

	defer close(errors)

	for responseChan := range channels {
		for response := range responseChan {

			//log.Debug("GOT RESPONSE: ", response.Type, response.Series)
			log.Debug("GOT RESPONSE: ", response.Type)
			if *response.Type == endStreamResponse || *response.Type == accessDeniedResponse {
				if response.ErrorMessage == nil {
					break
				}

				err := common.NewQueryError(common.InvalidArgument, *response.ErrorMessage)
				log.Error("Error while executing query: %s", err)
				errors <- err
				return
			}

			if response.Series == nil || len(response.Series.Points) == 0 {
				log.Debug("Series has no points, continue")
				continue
			}

			// if we don't have a processor, yield the point to the writer
			// this happens if shard took care of the query
			// otherwise client will get points from passthrough engine
			if processor != nil {
				// if the data wasn't aggregated at the shard level, aggregate
				// the data here
				log.Debug("YIELDING: %d points with %d columns", len(response.Series.Points), len(response.Series.Fields))
				processor.YieldSeries(response.Series)
				continue
			}

			// If we have EXPLAIN query, we don't write actual points (of
			// response.Type Query) to the client
			if !(*response.Type == queryResponse && isExplainQuery) {
				writer.Write(response.Series)
			}
		}

		// once we're done with a response channel signal queryShards to
		// start querying a new shard
		errors <- nil
	}
	return
}

开发者ID:qz267，项目名称:influxdb，代码行数:53，代码来源:coordinator.go

示例20: NewStandardDeviationAggregator

func NewStandardDeviationAggregator(q *parser.SelectQuery, v *parser.Value, defaultValue *parser.Value) (Aggregator, error) {
	if len(v.Elems) != 1 {
		return nil, common.NewQueryError(common.WrongNumberOfArguments, "function stddev() requires exactly one argument")
	}

	if v.Elems[0].Type == parser.ValueWildcard {
		return nil, common.NewQueryError(common.InvalidArgument, "function stddev() doesn't work with wildcards")
	}

	value, err := wrapDefaultValue(defaultValue)
	if err != nil {
		return nil, err
	}
	return &StandardDeviationAggregator{
		AbstractAggregator: AbstractAggregator{
			value: v.Elems[0],
		},
		defaultValue: value,
		alias:        v.Alias,
	}, nil
}

开发者ID:9cat，项目名称:influxdb，代码行数:21，代码来源:aggregator.go

注：本文中的common.NewQueryError函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。