This method returns the non-zero-dimension indices long[] of the specified sparse VECTOR column.

Declaration

// C#
public long[] GetNonZeroIndexArray(int index);

Parameters

index

A zero-based column index.

Return Value

The non-zero-dimension indices long[] of the column.

Exceptions

InvalidOperationException - The connection is closed, the reader is closed, Read() has not been called or all rows have been read.

IndexOutOfRangeException - The column index is invalid.

InvalidCastException - The accessor method is invalid for this column type, the VECTOR column is a dense vector type column, or the column value is NULL.

Remarks

IsDBNull should be called to check for NULL values before calling this method.

Only call this method on a sparse VECTOR column where SchemaTable["VectorType"] is OracleVectorType.Sparse.