Function getColumnIndices

dgraph/cmd/migrate/utils.go:60–71

getColumnIndices first sort the columns in the table alphabetically, and then returns the indices of the columns satisfying the criteria function

(info *sqlTable, criteria criteriaFunc)

// getColumnIndices first sort the columns in the table alphabetically, and then
// returns the indices of the columns satisfying the criteria function
func getColumnIndices(info *sqlTable, criteria criteriaFunc) []*columnIdx {
	indices := make([]*columnIdx, 0)
	for i, column := range info.columnNames {
		if criteria(info, column) {
			indices = append(indices, &columnIdx{
				name:  column,
				index: i,
			})
		}
	}
	return indices
}

type columnIdx struct {
	name  string // the column name