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ColumnLenC(column) - The largest string length of any value in a column

Description:
This attribute holds the minimum length which a character variable must have in order to be able to store the longest value currently present (at any row) in a specified column of the supplied Table. The required column name should be placed inside the parentheses in the attribute name. If the named column holds vector values, then the attribute value is the length of the longest element of the vector value.
Type:
Integer, read-only.
Class Applicability:
Table
All Tables have this attribute.
Notes:
  • If the named column holds numerical values, the length returned is the length of the largest string that would be generated if the column values were accessed as strings.


next up previous 264
Next: ColumnLength(column) - The number of elements in each value in a column
Up: AST Attribute Descriptions
Previous: Colour(element) - Colour index for a Plot element

AST A Library for Handling World Coordinate Systems in Astronomy
Starlink User Note 210
R.F. Warren-Smith & D.S. Berry
24th May 2011
E-mail:ussc@star.rl.ac.uk

Copyright (C) 2009 Science \& Technology Facilities Council