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CC-3396 - Add support for ReadRow, to query only required columns #7

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Merged
alexdebril merged 1 commit into from
Jan 16, 2025
Merged

CC-3396 - Add support for ReadRow, to query only required columns #7

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12 changes: 12 additions & 0 deletions repository/repository.go
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,18 @@ func (r *Repository) ReadLast(ctx context.Context, key string) (*data.Set, error
return r.read(ctx, key, bigtable.RowFilter(bigtable.LatestNFilter(1)))
}

// ReadRow reads a row from the repository while returning the cell values after
// mapping it to a data.Set. This method takes a row key as an argument, uses its internal adapter
// to read the row from Big Table, parses only the cells contained in the row to turn it into
// a map of data.Event and finally returns the data.Set that contains all the events.
func (r *Repository) ReadRow(ctx context.Context, key string, opts ...bigtable.ReadOption) (*data.Set, error) {
row, err := r.adapter.ReadRow(ctx, key, opts...)
if err != nil {
return nil, err
}
return buildEventSet([]bigtable.Row{row}, r.mapper), nil
}

func (r *Repository) read(ctx context.Context, key string, opts ...bigtable.ReadOption) (*data.Set, error) {
row, err := r.adapter.ReadRow(ctx, key, opts...)
if err != nil {
Expand Down