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Version: 11.2

$.udb(ds).hasLookups()

note

This article is about the hasLookups() function of the DataSourceContainer object.

$.udb(ds).hasLookups()

Detects whether the first data source in the container has one or more lookup data sources.

Returns a boolean.

Syntax

$.udb( *ds* ).hasLookups()

The required ds is a data source selector.

Example

// only bother synchronizing lookups if EMP actually has any
if ($.udb('EMP').hasLookups()) {
console.log('EMP has %d lookup data source(s)', $.udb('EMP').lookups().size);
}