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AST_HASCOLUMN - Returns a flag indicating if a column is present in a Table

Description:
This routine returns a flag indicating if a named column exists in a Table, for instance, by having been added to to the Table using AST_ADDCOLUMN.
Invocation:
RESULT = AST_HASCOLUMN( THIS, COLUMN, STATUS )
Arguments:
THIS = INTEGER (Given)
Pointer to the Table.
COLUMN = CHARACTER $*$ ( $*$ ) (Given)
The character string holding the upper case name of the column. Trailing spaces are ignored.
STATUS = INTEGER (Given and Returned)
The global status.
Notes:
  • A value of .FALSE. is returned for if an error occurs.


next up previous 264
Next: AST_HASPARAMETER - Returns a flag indicating if a named global parameter is present in a Table
Up: AST Routine Descriptions
Previous: AST_HASATTRIBUTE - Test if an Object has a named attribute

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