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sqlx.go
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sqlx.go
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package pg
import (
"context"
"database/sql"
"github.com/pkg/errors"
mapper "github.com/scylladb/go-reflectx"
"github.com/smartcontractkit/sqlx"
"github.com/smartcontractkit/chainlink/core/logger"
)
//go:generate mockery --quiet --name Queryer --output ./mocks/ --case=underscore
type Queryer interface {
sqlx.Ext
sqlx.ExtContext
sqlx.Preparer
sqlx.PreparerContext
sqlx.Queryer
Select(dest interface{}, query string, args ...interface{}) error
SelectContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error
PrepareNamed(query string) (*sqlx.NamedStmt, error)
QueryRow(query string, args ...interface{}) *sql.Row
QueryRowContext(ctx context.Context, query string, args ...interface{}) *sql.Row
Get(dest interface{}, query string, args ...interface{}) error
GetContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error
NamedExec(query string, arg interface{}) (sql.Result, error)
NamedQuery(query string, arg interface{}) (*sqlx.Rows, error)
}
func WrapDbWithSqlx(rdb *sql.DB) *sqlx.DB {
db := sqlx.NewDb(rdb, "postgres")
db.MapperFunc(mapper.CamelToSnakeASCII)
return db
}
func SqlxTransaction(ctx context.Context, q Queryer, lggr logger.Logger, fc func(q Queryer) error, txOpts ...TxOptions) (err error) {
switch db := q.(type) {
case *sqlx.Tx:
// nested transaction: just use the outer transaction
err = fc(db)
case *sqlx.DB:
err = sqlxTransactionQ(ctx, db, lggr, fc, txOpts...)
case Q:
err = sqlxTransactionQ(ctx, db.db, lggr, fc, txOpts...)
default:
err = errors.Errorf("invalid db type: %T", q)
}
return
}