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package inputs
// Input is how TextQL reads from data sources.
// To be an input, an implementor must return tabular data.
// How data is manipulated into the tabular structure is left to the implementor.
// Inputs are expected to return in a row by row fashion.
type Input interface {
// ReadRecord should return nil on the end of data, or a single record.
// Recoverable errors should represent themselves as empty sets.
// Unrecoverable errors should return nil.
ReadRecord() []string
// Header should return metadata naming the columns in the table.
Header() []string
// Name should return a reasonable name for the data set, prehaps the file name.
Name() string
// SetName allows users of the dataset to supply their own name if needed.
SetName(string)
}
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