mirror of
https://github.com/rocky-linux/peridot.git
synced 2024-12-22 18:58:29 +00:00
415 lines
16 KiB
Go
415 lines
16 KiB
Go
// +build go1.8
|
|
|
|
package sqlx
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"path/filepath"
|
|
"reflect"
|
|
)
|
|
|
|
// ConnectContext to a database and verify with a ping.
|
|
func ConnectContext(ctx context.Context, driverName, dataSourceName string) (*DB, error) {
|
|
db, err := Open(driverName, dataSourceName)
|
|
if err != nil {
|
|
return db, err
|
|
}
|
|
err = db.PingContext(ctx)
|
|
return db, err
|
|
}
|
|
|
|
// QueryerContext is an interface used by GetContext and SelectContext
|
|
type QueryerContext interface {
|
|
QueryContext(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error)
|
|
QueryxContext(ctx context.Context, query string, args ...interface{}) (*Rows, error)
|
|
QueryRowxContext(ctx context.Context, query string, args ...interface{}) *Row
|
|
}
|
|
|
|
// PreparerContext is an interface used by PreparexContext.
|
|
type PreparerContext interface {
|
|
PrepareContext(ctx context.Context, query string) (*sql.Stmt, error)
|
|
}
|
|
|
|
// ExecerContext is an interface used by MustExecContext and LoadFileContext
|
|
type ExecerContext interface {
|
|
ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error)
|
|
}
|
|
|
|
// ExtContext is a union interface which can bind, query, and exec, with Context
|
|
// used by NamedQueryContext and NamedExecContext.
|
|
type ExtContext interface {
|
|
binder
|
|
QueryerContext
|
|
ExecerContext
|
|
}
|
|
|
|
// SelectContext executes a query using the provided Queryer, and StructScans
|
|
// each row into dest, which must be a slice. If the slice elements are
|
|
// scannable, then the result set must have only one column. Otherwise,
|
|
// StructScan is used. The *sql.Rows are closed automatically.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func SelectContext(ctx context.Context, q QueryerContext, dest interface{}, query string, args ...interface{}) error {
|
|
rows, err := q.QueryxContext(ctx, query, args...)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// if something happens here, we want to make sure the rows are Closed
|
|
defer rows.Close()
|
|
return scanAll(rows, dest, false)
|
|
}
|
|
|
|
// PreparexContext prepares a statement.
|
|
//
|
|
// The provided context is used for the preparation of the statement, not for
|
|
// the execution of the statement.
|
|
func PreparexContext(ctx context.Context, p PreparerContext, query string) (*Stmt, error) {
|
|
s, err := p.PrepareContext(ctx, query)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &Stmt{Stmt: s, unsafe: isUnsafe(p), Mapper: mapperFor(p)}, err
|
|
}
|
|
|
|
// GetContext does a QueryRow using the provided Queryer, and scans the
|
|
// resulting row to dest. If dest is scannable, the result must only have one
|
|
// column. Otherwise, StructScan is used. Get will return sql.ErrNoRows like
|
|
// row.Scan would. Any placeholder parameters are replaced with supplied args.
|
|
// An error is returned if the result set is empty.
|
|
func GetContext(ctx context.Context, q QueryerContext, dest interface{}, query string, args ...interface{}) error {
|
|
r := q.QueryRowxContext(ctx, query, args...)
|
|
return r.scanAny(dest, false)
|
|
}
|
|
|
|
// LoadFileContext exec's every statement in a file (as a single call to Exec).
|
|
// LoadFileContext may return a nil *sql.Result if errors are encountered
|
|
// locating or reading the file at path. LoadFile reads the entire file into
|
|
// memory, so it is not suitable for loading large data dumps, but can be useful
|
|
// for initializing schemas or loading indexes.
|
|
//
|
|
// FIXME: this does not really work with multi-statement files for mattn/go-sqlite3
|
|
// or the go-mysql-driver/mysql drivers; pq seems to be an exception here. Detecting
|
|
// this by requiring something with DriverName() and then attempting to split the
|
|
// queries will be difficult to get right, and its current driver-specific behavior
|
|
// is deemed at least not complex in its incorrectness.
|
|
func LoadFileContext(ctx context.Context, e ExecerContext, path string) (*sql.Result, error) {
|
|
realpath, err := filepath.Abs(path)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
contents, err := ioutil.ReadFile(realpath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
res, err := e.ExecContext(ctx, string(contents))
|
|
return &res, err
|
|
}
|
|
|
|
// MustExecContext execs the query using e and panics if there was an error.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func MustExecContext(ctx context.Context, e ExecerContext, query string, args ...interface{}) sql.Result {
|
|
res, err := e.ExecContext(ctx, query, args...)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return res
|
|
}
|
|
|
|
// PrepareNamedContext returns an sqlx.NamedStmt
|
|
func (db *DB) PrepareNamedContext(ctx context.Context, query string) (*NamedStmt, error) {
|
|
return prepareNamedContext(ctx, db, query)
|
|
}
|
|
|
|
// NamedQueryContext using this DB.
|
|
// Any named placeholder parameters are replaced with fields from arg.
|
|
func (db *DB) NamedQueryContext(ctx context.Context, query string, arg interface{}) (*Rows, error) {
|
|
return NamedQueryContext(ctx, db, query, arg)
|
|
}
|
|
|
|
// NamedExecContext using this DB.
|
|
// Any named placeholder parameters are replaced with fields from arg.
|
|
func (db *DB) NamedExecContext(ctx context.Context, query string, arg interface{}) (sql.Result, error) {
|
|
return NamedExecContext(ctx, db, query, arg)
|
|
}
|
|
|
|
// SelectContext using this DB.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func (db *DB) SelectContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error {
|
|
return SelectContext(ctx, db, dest, query, args...)
|
|
}
|
|
|
|
// GetContext using this DB.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
// An error is returned if the result set is empty.
|
|
func (db *DB) GetContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error {
|
|
return GetContext(ctx, db, dest, query, args...)
|
|
}
|
|
|
|
// PreparexContext returns an sqlx.Stmt instead of a sql.Stmt.
|
|
//
|
|
// The provided context is used for the preparation of the statement, not for
|
|
// the execution of the statement.
|
|
func (db *DB) PreparexContext(ctx context.Context, query string) (*Stmt, error) {
|
|
return PreparexContext(ctx, db, query)
|
|
}
|
|
|
|
// QueryxContext queries the database and returns an *sqlx.Rows.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func (db *DB) QueryxContext(ctx context.Context, query string, args ...interface{}) (*Rows, error) {
|
|
r, err := db.DB.QueryContext(ctx, query, args...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &Rows{Rows: r, unsafe: db.unsafe, Mapper: db.Mapper}, err
|
|
}
|
|
|
|
// QueryRowxContext queries the database and returns an *sqlx.Row.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func (db *DB) QueryRowxContext(ctx context.Context, query string, args ...interface{}) *Row {
|
|
rows, err := db.DB.QueryContext(ctx, query, args...)
|
|
return &Row{rows: rows, err: err, unsafe: db.unsafe, Mapper: db.Mapper}
|
|
}
|
|
|
|
// MustBeginTx starts a transaction, and panics on error. Returns an *sqlx.Tx instead
|
|
// of an *sql.Tx.
|
|
//
|
|
// The provided context is used until the transaction is committed or rolled
|
|
// back. If the context is canceled, the sql package will roll back the
|
|
// transaction. Tx.Commit will return an error if the context provided to
|
|
// MustBeginContext is canceled.
|
|
func (db *DB) MustBeginTx(ctx context.Context, opts *sql.TxOptions) *Tx {
|
|
tx, err := db.BeginTxx(ctx, opts)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return tx
|
|
}
|
|
|
|
// MustExecContext (panic) runs MustExec using this database.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func (db *DB) MustExecContext(ctx context.Context, query string, args ...interface{}) sql.Result {
|
|
return MustExecContext(ctx, db, query, args...)
|
|
}
|
|
|
|
// BeginTxx begins a transaction and returns an *sqlx.Tx instead of an
|
|
// *sql.Tx.
|
|
//
|
|
// The provided context is used until the transaction is committed or rolled
|
|
// back. If the context is canceled, the sql package will roll back the
|
|
// transaction. Tx.Commit will return an error if the context provided to
|
|
// BeginxContext is canceled.
|
|
func (db *DB) BeginTxx(ctx context.Context, opts *sql.TxOptions) (*Tx, error) {
|
|
tx, err := db.DB.BeginTx(ctx, opts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &Tx{Tx: tx, driverName: db.driverName, unsafe: db.unsafe, Mapper: db.Mapper}, err
|
|
}
|
|
|
|
// Connx returns an *sqlx.Conn instead of an *sql.Conn.
|
|
func (db *DB) Connx(ctx context.Context) (*Conn, error) {
|
|
conn, err := db.DB.Conn(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &Conn{Conn: conn, driverName: db.driverName, unsafe: db.unsafe, Mapper: db.Mapper}, nil
|
|
}
|
|
|
|
// BeginTxx begins a transaction and returns an *sqlx.Tx instead of an
|
|
// *sql.Tx.
|
|
//
|
|
// The provided context is used until the transaction is committed or rolled
|
|
// back. If the context is canceled, the sql package will roll back the
|
|
// transaction. Tx.Commit will return an error if the context provided to
|
|
// BeginxContext is canceled.
|
|
func (c *Conn) BeginTxx(ctx context.Context, opts *sql.TxOptions) (*Tx, error) {
|
|
tx, err := c.Conn.BeginTx(ctx, opts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &Tx{Tx: tx, driverName: c.driverName, unsafe: c.unsafe, Mapper: c.Mapper}, err
|
|
}
|
|
|
|
// SelectContext using this Conn.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func (c *Conn) SelectContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error {
|
|
return SelectContext(ctx, c, dest, query, args...)
|
|
}
|
|
|
|
// GetContext using this Conn.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
// An error is returned if the result set is empty.
|
|
func (c *Conn) GetContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error {
|
|
return GetContext(ctx, c, dest, query, args...)
|
|
}
|
|
|
|
// PreparexContext returns an sqlx.Stmt instead of a sql.Stmt.
|
|
//
|
|
// The provided context is used for the preparation of the statement, not for
|
|
// the execution of the statement.
|
|
func (c *Conn) PreparexContext(ctx context.Context, query string) (*Stmt, error) {
|
|
return PreparexContext(ctx, c, query)
|
|
}
|
|
|
|
// QueryxContext queries the database and returns an *sqlx.Rows.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func (c *Conn) QueryxContext(ctx context.Context, query string, args ...interface{}) (*Rows, error) {
|
|
r, err := c.Conn.QueryContext(ctx, query, args...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &Rows{Rows: r, unsafe: c.unsafe, Mapper: c.Mapper}, err
|
|
}
|
|
|
|
// QueryRowxContext queries the database and returns an *sqlx.Row.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func (c *Conn) QueryRowxContext(ctx context.Context, query string, args ...interface{}) *Row {
|
|
rows, err := c.Conn.QueryContext(ctx, query, args...)
|
|
return &Row{rows: rows, err: err, unsafe: c.unsafe, Mapper: c.Mapper}
|
|
}
|
|
|
|
// Rebind a query within a Conn's bindvar type.
|
|
func (c *Conn) Rebind(query string) string {
|
|
return Rebind(BindType(c.driverName), query)
|
|
}
|
|
|
|
// StmtxContext returns a version of the prepared statement which runs within a
|
|
// transaction. Provided stmt can be either *sql.Stmt or *sqlx.Stmt.
|
|
func (tx *Tx) StmtxContext(ctx context.Context, stmt interface{}) *Stmt {
|
|
var s *sql.Stmt
|
|
switch v := stmt.(type) {
|
|
case Stmt:
|
|
s = v.Stmt
|
|
case *Stmt:
|
|
s = v.Stmt
|
|
case *sql.Stmt:
|
|
s = v
|
|
default:
|
|
panic(fmt.Sprintf("non-statement type %v passed to Stmtx", reflect.ValueOf(stmt).Type()))
|
|
}
|
|
return &Stmt{Stmt: tx.StmtContext(ctx, s), Mapper: tx.Mapper}
|
|
}
|
|
|
|
// NamedStmtContext returns a version of the prepared statement which runs
|
|
// within a transaction.
|
|
func (tx *Tx) NamedStmtContext(ctx context.Context, stmt *NamedStmt) *NamedStmt {
|
|
return &NamedStmt{
|
|
QueryString: stmt.QueryString,
|
|
Params: stmt.Params,
|
|
Stmt: tx.StmtxContext(ctx, stmt.Stmt),
|
|
}
|
|
}
|
|
|
|
// PreparexContext returns an sqlx.Stmt instead of a sql.Stmt.
|
|
//
|
|
// The provided context is used for the preparation of the statement, not for
|
|
// the execution of the statement.
|
|
func (tx *Tx) PreparexContext(ctx context.Context, query string) (*Stmt, error) {
|
|
return PreparexContext(ctx, tx, query)
|
|
}
|
|
|
|
// PrepareNamedContext returns an sqlx.NamedStmt
|
|
func (tx *Tx) PrepareNamedContext(ctx context.Context, query string) (*NamedStmt, error) {
|
|
return prepareNamedContext(ctx, tx, query)
|
|
}
|
|
|
|
// MustExecContext runs MustExecContext within a transaction.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func (tx *Tx) MustExecContext(ctx context.Context, query string, args ...interface{}) sql.Result {
|
|
return MustExecContext(ctx, tx, query, args...)
|
|
}
|
|
|
|
// QueryxContext within a transaction and context.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func (tx *Tx) QueryxContext(ctx context.Context, query string, args ...interface{}) (*Rows, error) {
|
|
r, err := tx.Tx.QueryContext(ctx, query, args...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &Rows{Rows: r, unsafe: tx.unsafe, Mapper: tx.Mapper}, err
|
|
}
|
|
|
|
// SelectContext within a transaction and context.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func (tx *Tx) SelectContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error {
|
|
return SelectContext(ctx, tx, dest, query, args...)
|
|
}
|
|
|
|
// GetContext within a transaction and context.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
// An error is returned if the result set is empty.
|
|
func (tx *Tx) GetContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error {
|
|
return GetContext(ctx, tx, dest, query, args...)
|
|
}
|
|
|
|
// QueryRowxContext within a transaction and context.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func (tx *Tx) QueryRowxContext(ctx context.Context, query string, args ...interface{}) *Row {
|
|
rows, err := tx.Tx.QueryContext(ctx, query, args...)
|
|
return &Row{rows: rows, err: err, unsafe: tx.unsafe, Mapper: tx.Mapper}
|
|
}
|
|
|
|
// NamedExecContext using this Tx.
|
|
// Any named placeholder parameters are replaced with fields from arg.
|
|
func (tx *Tx) NamedExecContext(ctx context.Context, query string, arg interface{}) (sql.Result, error) {
|
|
return NamedExecContext(ctx, tx, query, arg)
|
|
}
|
|
|
|
// SelectContext using the prepared statement.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func (s *Stmt) SelectContext(ctx context.Context, dest interface{}, args ...interface{}) error {
|
|
return SelectContext(ctx, &qStmt{s}, dest, "", args...)
|
|
}
|
|
|
|
// GetContext using the prepared statement.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
// An error is returned if the result set is empty.
|
|
func (s *Stmt) GetContext(ctx context.Context, dest interface{}, args ...interface{}) error {
|
|
return GetContext(ctx, &qStmt{s}, dest, "", args...)
|
|
}
|
|
|
|
// MustExecContext (panic) using this statement. Note that the query portion of
|
|
// the error output will be blank, as Stmt does not expose its query.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func (s *Stmt) MustExecContext(ctx context.Context, args ...interface{}) sql.Result {
|
|
return MustExecContext(ctx, &qStmt{s}, "", args...)
|
|
}
|
|
|
|
// QueryRowxContext using this statement.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func (s *Stmt) QueryRowxContext(ctx context.Context, args ...interface{}) *Row {
|
|
qs := &qStmt{s}
|
|
return qs.QueryRowxContext(ctx, "", args...)
|
|
}
|
|
|
|
// QueryxContext using this statement.
|
|
// Any placeholder parameters are replaced with supplied args.
|
|
func (s *Stmt) QueryxContext(ctx context.Context, args ...interface{}) (*Rows, error) {
|
|
qs := &qStmt{s}
|
|
return qs.QueryxContext(ctx, "", args...)
|
|
}
|
|
|
|
func (q *qStmt) QueryContext(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error) {
|
|
return q.Stmt.QueryContext(ctx, args...)
|
|
}
|
|
|
|
func (q *qStmt) QueryxContext(ctx context.Context, query string, args ...interface{}) (*Rows, error) {
|
|
r, err := q.Stmt.QueryContext(ctx, args...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &Rows{Rows: r, unsafe: q.Stmt.unsafe, Mapper: q.Stmt.Mapper}, err
|
|
}
|
|
|
|
func (q *qStmt) QueryRowxContext(ctx context.Context, query string, args ...interface{}) *Row {
|
|
rows, err := q.Stmt.QueryContext(ctx, args...)
|
|
return &Row{rows: rows, err: err, unsafe: q.Stmt.unsafe, Mapper: q.Stmt.Mapper}
|
|
}
|
|
|
|
func (q *qStmt) ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error) {
|
|
return q.Stmt.ExecContext(ctx, args...)
|
|
}
|