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dialect

package

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Versions in this module

v3

v3.8.2

May 1, 2026

v3.8.1

Apr 27, 2026

v3.8.0

Apr 27, 2026

Changes in this version

type Name

+ const Spark

v3.7.1

Apr 27, 2026

v3.7.0

Apr 27, 2026

v3.6.0

Feb 25, 2026

Changes in this version

+ var ErrUnsupportedFeature = errors.New("unsupported dialect feature")

+ func Register(name Name, factory func() Dialect)

+ type Dialect interface

+ ConvertRegex func(re2Pattern string) (pattern string, caseInsensitive bool, err error)

+ MaxIdentifierLength func() int

+ Name func() Name

+ ReservedKeywords func() map[string]bool

+ SupportsIndexAnalysis func() bool

+ SupportsJSONB func() bool

+ SupportsNativeArrays func() bool

+ SupportsRegex func() bool

+ ValidateFieldName func(name string) error

+ WriteArrayLength func(w *strings.Builder, dimension int, writeExpr func() error) error

+ WriteArrayLiteralClose func(w *strings.Builder)

+ WriteArrayLiteralOpen func(w *strings.Builder)

+ WriteArrayMembership func(w *strings.Builder, writeElem func() error, writeArray func() error) error

+ WriteArraySubqueryExprClose func(w *strings.Builder)

+ WriteArraySubqueryOpen func(w *strings.Builder)

+ WriteBytesLiteral func(w *strings.Builder, value []byte) error

+ WriteCastToNumeric func(w *strings.Builder)

+ WriteContains func(w *strings.Builder, writeHaystack, writeNeedle func() error) error

+ WriteDuration func(w *strings.Builder, value int64, unit string)

+ WriteEmptyTypedArray func(w *strings.Builder, typeName string)

+ WriteEpochExtract func(w *strings.Builder, writeExpr func() error) error

+ WriteExtract func(w *strings.Builder, part string, writeExpr func() error, writeTZ func() error) error

+ WriteInterval func(w *strings.Builder, writeValue func() error, unit string) error

+ WriteJSONArrayElements func(w *strings.Builder, isJSONB bool, asText bool, writeExpr func() error) error

+ WriteJSONArrayLength func(w *strings.Builder, writeExpr func() error) error

+ WriteJSONArrayMembership func(w *strings.Builder, jsonFunc string, writeExpr func() error) error

+ WriteJSONExistence func(w *strings.Builder, isJSONB bool, fieldName string, writeBase func() error) error

+ WriteJSONExtractPath func(w *strings.Builder, pathSegments []string, writeRoot func() error) error

+ WriteJSONFieldAccess func(w *strings.Builder, writeBase func() error, fieldName string, isFinal bool) error

+ WriteJoin func(w *strings.Builder, writeArray, writeDelim func() error) error

+ WriteLikeEscape func(w *strings.Builder)

+ WriteListIndex func(w *strings.Builder, writeArray func() error, writeIndex func() error) error

+ WriteListIndexConst func(w *strings.Builder, writeArray func() error, index int64) error

+ WriteNestedJSONArrayMembership func(w *strings.Builder, writeExpr func() error) error

+ WriteParamPlaceholder func(w *strings.Builder, paramIndex int)

+ WriteRegexMatch func(w *strings.Builder, writeTarget func() error, pattern string, ...) error

+ WriteSplit func(w *strings.Builder, writeStr, writeDelim func() error) error

+ WriteSplitWithLimit func(w *strings.Builder, writeStr, writeDelim func() error, limit int64) error

+ WriteStringConcat func(w *strings.Builder, writeLHS, writeRHS func() error) error

+ WriteStringLiteral func(w *strings.Builder, value string)

+ WriteStructClose func(w *strings.Builder)

+ WriteStructOpen func(w *strings.Builder)

+ WriteTimestampArithmetic func(w *strings.Builder, op string, writeTS, writeDur func() error) error

+ WriteTimestampCast func(w *strings.Builder, writeExpr func() error) error

+ WriteTypeName func(w *strings.Builder, celTypeName string)

+ WriteUnnest func(w *strings.Builder, writeSource func() error) error

+ func Get(name Name) (Dialect, error)

+ type IndexAdvisor interface

+ RecommendIndex func(pattern IndexPattern) *IndexRecommendation

+ SupportedPatterns func() []PatternType

+ func GetIndexAdvisor(d Dialect) (IndexAdvisor, bool)

+ type IndexPattern struct

+ Column string

+ Pattern PatternType

+ TableHint string

+ type IndexRecommendation struct

+ Column string

+ Expression string

+ IndexType string

+ Reason string

+ type Name string

+ const BigQuery

+ const DuckDB

+ const MySQL

+ const PostgreSQL

+ const SQLite

+ func Registered() []Name

+ type PatternType int

+ const PatternArrayComprehension

+ const PatternArrayMembership

+ const PatternComparison

+ const PatternJSONAccess

+ const PatternJSONArrayComprehension

+ const PatternRegexMatch