tagquery

package

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Versions in this module

v1

v1.0.0

Jul 30, 2020

Changes in this version

+ func IsSeriesByTagExpression(query string) bool

type Expressions

+ func ParseSeriesByTagExpression(seriesByTagQuery string) (Expressions, error)

type InvalidExpressionError

+ func (i InvalidExpressionError) HTTPStatusCode() int

v0

v0.13.1

Nov 28, 2019

Changes in this version

type Expression

+ StringIntoWriter func(writer io.Writer)

type ExpressionOperator

+ func (o ExpressionOperator) StringIntoWriter(writer io.Writer)

type Expressions

+ func (e *Expressions) UnmarshalJSON(data []byte) error

+ func (e Expressions) Equal(other Expressions) bool

type InvalidExpressionError

+ func (i InvalidExpressionError) Code() int

type MetaTagRecord

+ func (m *MetaTagRecord) HashMetaTags() uint32

+ func (m *MetaTagRecord) HashRecord() uint64

type Tag

+ func (t *Tag) StringIntoWriter(writer io.Writer)

type Tags

+ func (t *Tags) UnmarshalJSON(data []byte) error

+ func (t Tags) Equal(other Tags) bool

+ func (t Tags) Sort()

v0.13.0

Sep 17, 2019

Changes in this version

+ var MatchCacheSize int

+ var MetaTagSupport bool

+ var QueryHash func() hash.Hash32

+ type Expression interface

+ Equals func(Expression) bool

+ GetDefaultDecision func() FilterDecision

+ GetKey func() string

+ GetMetricDefinitionFilter func(lookup IdTagLookup) MetricDefinitionFilter

+ GetOperator func() ExpressionOperator

+ GetOperatorCost func() uint32

+ GetValue func() string

+ Matches func(string) bool

+ MatchesExactly func() bool

+ OperatesOnTag func() bool

+ RequiresNonEmptyValue func() bool

+ ResultIsSmallerWhenInverted func() bool

+ StringIntoBuilder func(builder *strings.Builder)

+ func ParseExpression(expr string) (Expression, error)

+ type ExpressionOperator uint16

+ const EQUAL

+ const HAS_TAG

+ const MATCH

+ const MATCH_ALL

+ const MATCH_NONE

+ const MATCH_TAG

+ const NOT_EQUAL

+ const NOT_HAS_TAG

+ const NOT_MATCH

+ const PREFIX

+ const PREFIX_TAG

+ func (o ExpressionOperator) StringIntoBuilder(builder *strings.Builder)

+ type Expressions []Expression

+ func ParseExpressions(expressions []string) (Expressions, error)

+ func (e Expressions) MarshalJSON() ([]byte, error)

+ func (e Expressions) Sort()

+ func (e Expressions) Strings() []string

+ type FilterDecision uint8

+ const Fail

+ const None

+ const Pass

+ type IdTagLookup func(id schema.MKey, tag, value string) bool

+ type InvalidExpressionError string

+ func (i InvalidExpressionError) Error() string

+ type MetaTagRecord struct

+ Expressions Expressions

+ MetaTags Tags

+ func ParseMetaTagRecord(metaTags []string, expressions []string) (MetaTagRecord, error)

+ func (m *MetaTagRecord) EqualExpressions(other *MetaTagRecord) bool

+ func (m *MetaTagRecord) Equals(other *MetaTagRecord) bool

+ func (m *MetaTagRecord) GetMetricDefinitionFilter(lookup IdTagLookup) MetricDefinitionFilter

+ func (m *MetaTagRecord) HasMetaTags() bool

+ func (m *MetaTagRecord) HashExpressions() uint32

+ type MetricDefinitionFilter func(id schema.MKey, name string, tags []string) FilterDecision

+ type Query struct

+ Expressions Expressions

+ From int64

+ func NewQuery(expressions Expressions, from int64) (Query, error)

+ func NewQueryFromStrings(expressionStrs []string, from int64) (Query, error)

+ func (q *Query) GetTagClause() Expression

+ type Tag struct

+ Key string

+ Value string

+ func ParseTag(tag string) (Tag, error)

+ func (t *Tag) StringIntoBuilder(builder *strings.Builder)

+ func (z *Tag) DecodeMsg(dc *msgp.Reader) (err error)

+ func (z *Tag) UnmarshalMsg(bts []byte) (o []byte, err error)

+ func (z Tag) EncodeMsg(en *msgp.Writer) (err error)

+ func (z Tag) MarshalMsg(b []byte) (o []byte, err error)

+ func (z Tag) Msgsize() (s int)

+ type Tags []Tag

+ func ParseTags(tags []string) (Tags, error)

+ func ParseTagsFromMetricName(name string) (Tags, error)

+ func (t Tags) Len() int

+ func (t Tags) Less(i, j int) bool

+ func (t Tags) MarshalJSON() ([]byte, error)

+ func (t Tags) Strings() []string

+ func (t Tags) Swap(i, j int)

+ func (z *Tags) DecodeMsg(dc *msgp.Reader) (err error)

+ func (z *Tags) UnmarshalMsg(bts []byte) (o []byte, err error)

+ func (z Tags) EncodeMsg(en *msgp.Writer) (err error)

+ func (z Tags) MarshalMsg(b []byte) (o []byte, err error)

+ func (z Tags) Msgsize() (s int)

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