MATRIX_EXISTS

This procedure checks if a matrix with the specified name exists.

Usage

The MATRIX_EXISTS stored procedure has the following syntax:

MATRIX_EXISTS(mat_name)

Parameters

mat_name: The matrix name.; Type: NVARCHAR(ANY)

Returns

BOOLEAN TRUE, if the matrix exists.

Examples

CALL nzm..SHAPE('1,2,3,4,5,0,6,7,8',3,3,'A');
CALL nzm..MATRIX_EXISTS('A');
CALL nzm..DELETE_MATRIX('A');

 SHAPE
-------
 t
(1 row)

 MATRIX_EXISTS
---------------
 t
(1 row)

 DELETE_MATRIX
---------------
 t
(1 row)