BUG-000126855 for ArcGIS Pro

漏洞 ID 编号	BUG-000126855
已提交	November 19, 2019
上次修改时间	June 5, 2024
适用范围	ArcGIS Pro
找到的版本	2.4.2
操作系统	N/A
操作系统版本	N/A
状态	Known Limit

附加信息

This is a known limitation. The drivers make assumptions about the CSV field data types based on the first row of data. A blank (or null) value is to be translated as text. Create and modify a schema.ini file to 'force' a data type for a field in a CSV file. Additional help documentation can be found here in the following link, https://pro.arcgis.com/en/pro-app/help/data/tables/add-an-ascii-or-text-file-table.htm.

解决办法

In Excel, add a single integer to the column that should be entirely null.
After the integer is added, change the data type to Numeric, and add the appropriate number of decimal places.
Save the table as a CSV, and add it to ArcGIS Pro.
The data type for the field is listed as 'Double' or 'Long', depending on the type of numeric data type selected in Excel.
Perform an operation such as 'Copy Rows', which creates a copy of the data that can be edited.
Remove the integer from the field in question.
Check the data type using 'Field View'. Note that the data type retains the proper numeric format, either 'Double' or 'Long', depending on which was chosen.