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builder

package

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Versions in this module

v1

v1.2.0

Dec 21, 2023

v1.1.0

Nov 17, 2023

Changes in this version

+ type Dataloader interface

+ ExtractKey func(T) string

+ Fetch func(Executor, context.Context, KeyedResult[T]) error

+ func NewDataloader[T any](extractor func(T) string, ...) Dataloader[T]

+ type KeysMapping map[string]int

v1.0.3

Jul 4, 2023

v1.0.2

Jun 12, 2023

v1.0.1

May 25, 2023

v1.0.0

May 22, 2023

Changes in this version

+ var ErrPaginationNotSupported = errors.New(...)

+ func Merge[TParent, TChildren any](results KeyedResult[TParent], ...) storage.Mapper[TChildren]

+ type Executor interface

+ ExecContext func(context.Context, string, ...any) (sql.Result, error)

+ QueryContext func(context.Context, string, ...any) (*sql.Rows, error)

+ QueryRowContext func(context.Context, string, ...any) *sql.Row

+ type KeyedResult struct

+ func (r KeyedResult[T]) Data() []T

+ func (r KeyedResult[T]) Keys() []string

+ type QueryBuilder interface

+ All func(Executor, context.Context, storage.Mapper[T]) ([]T, error)

+ AllEx func(Executor, context.Context, ScannerBuilder[T, TScanner], ...) ([]T, error)

+ Exec func(Executor, context.Context) error

+ Extract func(Executor, context.Context) (T, error)

+ F func(string, ...any) QueryBuilder[T, TScanner]

+ One func(Executor, context.Context, storage.Mapper[T]) (T, error)

+ OneEx func(Executor, context.Context, ScannerBuilder[T, TScanner], ...) (T, error)

+ Paginate func(Executor, context.Context, storage.Mapper[T], int) (storage.Paginated[T], error)

+ S func(...Statement) QueryBuilder[T, TScanner]

+ String func() string

+ func Command(sql string, args ...any) QueryBuilder[any, storage.Scanner]

+ func Insert(table string, values Values) QueryBuilder[any, storage.Scanner]

+ func QueryEx[T any, TScanner storage.Scanner](sql string, args ...any) QueryBuilder[T, TScanner]

+ func Query[T any](sql string, args ...any) QueryBuilder[T, storage.Scanner]

+ func Select[T any](fields ...string) QueryBuilder[T, storage.Scanner]

+ func Update(table string, values Values) QueryBuilder[any, storage.Scanner]

+ type ScannerBuilder func(Executor) ScannerEx[T, TScanner]

+ type ScannerEx interface

+ Contextualize func(storage.Scanner) TConcreteScanner

+ Finalize func(context.Context, KeyedResult[T]) ([]T, error)

+ type Statement func(sqlBuilder)

+ func Array[T any](prefix string, values []T) Statement

+ func MaybeValue[T any](value monad.Maybe[T], sql string) Statement

+ func Maybe[T any](value monad.Maybe[T], fn func(T) (string, []any)) Statement

+ type Values map[string]any