Struct DataReader

internal/storage/postgres/data_reader.go:27–30

DataReader is a struct which holds a reference to the database, transaction options and a logger. It is responsible for reading data from the database.

// DataReader is a struct which holds a reference to the database, transaction options and a logger.
// It is responsible for reading data from the database.
type DataReader struct {
	database  *db.Postgres  // database is an instance of the PostgreSQL database
	txOptions pgx.TxOptions // txOptions specifies the isolation level for database transaction and sets it as read only
}

// NewDataReader is a constructor function for DataReader.
// It initializes a new DataReader with a given database, a logger, and sets transaction options to be read-only with Repeatable Read isolation level.