Function resolveColumnReferences

src/resolver.ts:133–147

(query: Query, tables: TableSchema[])

}

export function resolveColumnReferences(query: Query, tables: TableSchema[]): ColumnReference[] {
  const columnsReturnedBySubqueries = flatMap(query.subqueries, subquery => {
    if (!subquery.returnsIntoParentQuery) return []

    const columnRefs = resolveToConcreteColumnRefs(subquery.returnedColumns, tables)
    return columnRefs.map(columnRef => {
      return "tableName" in columnRef ? columnRef : resolveUnqualifiedColumnRef(columnRef, tables)
    })
  })

  return [
    ...query.referencedColumns.filter(columnRef => columnRef.columnName !== "*"),
    ...columnsReturnedBySubqueries
  ]
}