sqlitedb

package

v0.2.0 Latest Latest Go to latest Published: Sep 30, 2026 License: Apache-2.0 Imports: 14 Imported by: 0

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Repository

github.com/cloud-exit/exitmesh-agent

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Documentation ¶

Overview ¶

Package sqlitedb reads rowid tables of SQLite files (with committed WAL frames) in pure Go and serves them to go-rpmdb as a database/sql driver.

Index ¶

Constants
Variables
func DecodeRecord(rec []byte) ([]any, error)
func Register() bool
type Cursor
- func (c *Cursor) Err() error
- func (c *Cursor) Next() (int64, []byte, bool)
type DB
- func Open(path string) (*DB, error)
type Driver
- func (Driver) Open(name string) (driver.Conn, error)
type RowIter
- func (r *RowIter) Err() error
- func (r *RowIter) Next() (int64, []any, bool)
type Table

Constants ¶

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const DriverName = "sqlite"

DriverName is the database/sql driver name go-rpmdb opens rpm sqlite databases with.

Variables ¶

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var ErrCorrupt = errors.New("sqlitedb: corrupt database")

ErrCorrupt reports a structurally invalid database file.

View Source

var ErrReadOnly = errors.New("sqlitedb: only SELECT <columns> FROM <table> is supported")

ErrReadOnly is returned for any statement other than a plain column projection.

Functions ¶

func DecodeRecord ¶

func DecodeRecord(rec []byte) ([]any, error)

DecodeRecord decodes an SQLite record into int64, float64, string, []byte, or nil values.

func Register ¶

func Register() bool

Register installs the driver under DriverName unless another owns the name, and reports whether ours is registered.

Types ¶

type Cursor ¶

type Cursor struct {
	// contains filtered or unexported fields
}

Cursor iterates the rows of one table b-tree in rowid order.

func (*Cursor) Err ¶

func (c *Cursor) Err() error

Err reports the first error encountered by Next.

func (*Cursor) Next ¶

func (c *Cursor) Next() (int64, []byte, bool)

Next returns the next row's rowid and record payload.

type DB ¶

type DB struct {
	// contains filtered or unexported fields
}

DB is an open read-only database snapshot.

func Open ¶

func Open(path string) (*DB, error)

Open opens the database at path and overlays the committed frames of path-wal when present.

func (*DB) Close ¶

func (db *DB) Close() error

Close releases the files.

func (*DB) Rows ¶

func (db *DB) Rows(t *Table, columns []string) (*RowIter, error)

Rows returns an iterator over the named columns of t.

func (*DB) Scan ¶

func (db *DB) Scan(t *Table, columns []string, fn func(rowid int64, vals []any) error) error

Scan calls fn for every row of t with the values of the named columns.

func (*DB) Table ¶

func (db *DB) Table(name string) (*Table, error)

Table looks up a table by case-insensitive name.

type Driver ¶

type Driver struct{}

Driver is a read-only database/sql driver over this package's file reader.

func (Driver) Open ¶

func (Driver) Open(name string) (driver.Conn, error)

Open opens the database file named by name.

type RowIter ¶

type RowIter struct {
	// contains filtered or unexported fields
}

RowIter yields projected rows.

func (*RowIter) Err ¶

func (r *RowIter) Err() error

Err reports the iteration error, if any.

func (*RowIter) Next ¶

func (r *RowIter) Next() (int64, []any, bool)

Next returns the next row.

type Table ¶

type Table struct {
	Name     string
	Root     uint32
	Columns  []string
	RowidCol int
	// contains filtered or unexported fields
}

Table describes one rowid table from the schema.

Source Files ¶

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