The NullAsNull statement turns off the conversion of NULL values to string values previously set by a NullAsValue statement.
Syntax:
NullAsNull *fieldlist
The NullAsValue statement operates as a switch and can be turned on or off several times in the script, using either a NullAsValue or a NullAsNull statement.
Arguments:
| Argument | Description |
|---|---|
| *fieldlist | A comma separated list of the fields for which NullAsNull should be turned on. Using * as field list indicates all fields. The wildcard characters * and ? are allowed in field names. Quoting of field names may be necessary when wildcards are used. |
Example:
NullAsNull A,B;
LOAD A,B from x.csv;
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