// addIndexToTable adds an index named 'indexName' to 'table' with the given 'indexCols'.
// It uses 12345 as the cardinality.
// It returns the new index.
func addIndexToTable(table *schema.Table, indexName string, indexCols ...string) *schema.Index {
index := table.AddIndex(indexName)
for _, indexCol := range indexCols {
index.AddColumn(indexCol, 12345)
}
return index
}
