VirtualParquetExtensions (Deedle)

VirtualParquetExtensions Module

Namespace: Deedle.Parquet.Virtual.Sources
Assembly: Deedle.Parquet.dll

Type extensions

Type extension Description

Type extension	Description
`Virtual.ReadParquet(path, ?indexColumn, ?searchColumns, ?columnKeys)` Full Usage: `Virtual.ReadParquet(path, ?indexColumn, ?searchColumns, ?columnKeys)` Parameters: path : `string` ?indexColumn : `string` ?searchColumns : `VirtualSearchColumn list` ?columnKeys : `string list` Returns: `Frame<DateTimeOffset, string>`	Load a Parquet file as a virtual frame with an ordered row index. Requested columns are read into memory and cached; the underlying file handle stays reachable for the lifetime of the returned frame. Column CLR types match [`Frame.readParquet`] / `Implementation.readColumn`. Extended Type: `Virtual` path : `string` ?indexColumn : `string` ?searchColumns : `VirtualSearchColumn list` ?columnKeys : `string list` Returns: `Frame<DateTimeOffset, string>`


                
                  
                    
                      Virtual.ReadParquet(path, ?indexColumn, ?searchColumns, ?columnKeys)

Full Usage: Virtual.ReadParquet(path, ?indexColumn, ?searchColumns, ?columnKeys)

Parameters:

path : string

?indexColumn : string

?searchColumns : VirtualSearchColumn list

?columnKeys : string list

Returns: Frame<DateTimeOffset, string>

Load a Parquet file as a virtual frame with an ordered row index. Requested columns are read into memory and cached; the underlying file handle stays reachable for the lifetime of the returned frame. Column CLR types match [`Frame.readParquet`] / `Implementation.readColumn`.

Extended Type: Virtual

path : string
?indexColumn : string
?searchColumns : VirtualSearchColumn list
?columnKeys : string list

Returns: Frame<DateTimeOffset, string>