TableToArrowTable

Summary

Converts a table or feature class to an Apache Arrow table.

Discussion

Apache Arrow is a standard cross-platform in-memory representation of columnar data used to efficiently transport data between analytics systems for big data. For more information, see working with Apache Arrow in ArcGIS.

Syntax

TableToArrowTable ({in_table}, {field_names}, {where_clause})

Parameter	Explanation	Data Type
in_table	The feature class, layer, table, or table view.	String
field_names [field_names,...]	A list (or tuple) of field names. For a single field, you can use a string instead of a list of strings. (The default value is "")	String
where_clause	An optional expression that limits the records returned. For more information on where clauses and SQL statements, see SQL reference for query expressions used in ArcGIS. (The default value is "")	String

Return Value

Data Type	Explanation
PyArrowTable	The output pyarrow.Table. See the pyarrow.Table object API.

Code sample

TableToArrowTable example

Convert a feature class to an Arrow table and count the number of counties in the dataset.

import arcpy

input = r'C:\data\usa.gdb\USA\counties'
arrow_table = arcpy.da.TableToArrowTable(input)

# Get the number of counties in the dataset
count = arcpy.management.GetCount(arrow_table)
print("Number of US Counties:", count)