Specifies how the provider determines column data types when reading text files.

Possible Values

データ型

string

デフォルト値

"RowScan"

解説

This property controls the method that the 本製品 uses to detect column structures and data types.

Available options:

None: All columns are returned as string values. RowScan: The 本製品 scans a sample of rows to infer data types. The RowScanDepth property determines how many rows are scanned. ColumnCount: The 本製品 determines the number of columns to include based on the ColumnCount property, returning all values as strings.

This property is useful for adjusting schema detection based on file structure or performance needs.