DataProxy.alterValueAttributes

void alterValueAttributes(int proxyRow, int col, gda.types.ValueAttribute alterFlags)

Alters the attributes of the value stored at (proxy_row, col) in proxy. the alter_flags can only contain the GDA_VALUE_ATTR_IS_NULL, GDA_VALUE_ATTR_IS_DEFAULT and GDA_VALUE_ATTR_IS_UNCHANGED flags (other flags are ignored).

Parameters

`proxyRow`	A proxy row number
`col`	a valid column number
`alterFlags`	flags to alter the attributes