Topics   All   MacOS (Only)   Windows (Only)   Linux (Only, Not)   iOS (Only, Not)  
Components   Crossplatform Mac & Win   Server   Client   Old   Deprecated   Guides   Examples   Videos
New in version: 9.5   10.0   10.1   10.2   10.3   10.4   10.5   11.0   11.1   11.2    Statistic    FMM    Blog  

SQL.GetFieldIsNull

Whether the field value is NULL.

Component Version macOS Windows Linux Server iOS SDK
SQL 2.6 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "SQL.GetFieldIsNull"; Command; Field )   More

Parameters

Parameter Description Example
Command The command reference number gained with SQL.NewCommand. $Command
Field The name or one based index of the field. $Field

Result

Returns 1 if the value of current object is NULL; otherwise 0.

Description

Whether the field value is NULL.

Examples

Read null value as empty, otherwise get floating number:

If(
      MBS("SQL.GetFieldIsNull"; $command; "FieldName");
      "";
      MBS("SQL.GetFieldAsFloat"; $command; "FieldName"))

See also

Created 18th August 2014, last changed 25th February 2021


SQL.GetFieldDataType - SQL.GetFieldName

Feedback: Report problem or ask question.