sqlite

package
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Published: Jul 7, 2023 License: MIT Imports: 27 Imported by: 0

Documentation

Overview

Package sqlite implements the sqlite storage. It's powered by `sqlx`, and gocu.

`sqlx` is a library which provides a set of extensions on go's standard database/sql library. The sqlx versions of sql.DB, sql.TX, sql.Stmt, et al. all leave the underlying interfaces untouched, so that their interfaces are a superset on the standard ones. This makes it relatively painless to integrate existing codebases using database/sql with sqlx.

gocu is a query builder.

Index

Constants

View Source
const Name = "sqlite3"

Name of the storage.

Variables

This section is empty.

Functions

func Get

func Get() storage.IStorage

Get returns a setup MongoDB, or set it up.

func Set

func Set(s storage.IStorage)

Set sets the storage, primarily used for testing.

func ToSQLString

func ToSQLString(s customsort.Sort) (string, error)

ToSQLString converts the `s` to a format that can be used in a SQL query.

NOTE: Keywords in SQL are case-insensitive for the most popular DBMSs. The computer doesn't care whether you write SELECT, select, sELeCt, ASC, AsC, or asc.

Types

type Config

type Config struct {
	DataSourceName string `json:"dataSourceName" validate:"required"`
	DriverName     string `json:"driverName" validate:"required"`
}

Config is the postgres configuration.

type SQLite

type SQLite struct {
	*storage.Storage

	// Client is the postgres client.
	Client *sqlx.DB `json:"-" validate:"required"`

	// Config is the postgres configuration.
	Config *Config `json:"-"`

	// Target allows to set a static target. If it is empty, the target will be
	// dynamic - the one set at the operation (count, create, delete, etc) time.
	// Depending on the storage, target is a collection, a table, a bucket, etc.
	// For ElasticSearch, for example it doesn't have a concept of a database -
	// the target then is the index. Due to different cases of ElasticSearch
	// usage, the target can be static or dynamic - defined at the index time,
	// for example: log-{YYYY}-{MM}. For Redis, it isn't used at all.
	Target string `json:"-" validate:"omitempty,gt=0"`
}

SQLite storage definition.

func New

func New(ctx context.Context, dataSource string) (*SQLite, error)

New creates a new postgres storage.

func (*SQLite) Count

func (p *SQLite) Count(ctx context.Context, target string, prm *count.Count, options ...storage.Func[*count.Count]) (int64, error)

Count returns the number of items in the storage.

func (*SQLite) Create

func (p *SQLite) Create(ctx context.Context, id, target string, v any, prm *create.Create, options ...storage.Func[*create.Create]) (string, error)

Create data.

NOTE: Not all storages returns the ID, neither all storages requires `id` to be set. You are better off setting the ID yourself.

func (*SQLite) Delete

func (p *SQLite) Delete(ctx context.Context, id, target string, prm *delete.Delete, options ...storage.Func[*delete.Delete]) error

Delete removes data.

func (*SQLite) GetClient

func (p *SQLite) GetClient() any

GetClient returns the client.

func (*SQLite) List

func (p *SQLite) List(ctx context.Context, target string, v any, prm *list.List, options ...storage.Func[*list.List]) error

List data.

NOTE: It uses param.List.Search to query the data.

func (*SQLite) Retrieve

func (p *SQLite) Retrieve(ctx context.Context, id, target string, v any, prm *retrieve.Retrieve, options ...storage.Func[*retrieve.Retrieve]) error

Retrieve data.

func (*SQLite) Update

func (p *SQLite) Update(ctx context.Context, id, target string, v any, prm *update.Update, options ...storage.Func[*update.Update]) error

Update data.

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