Package org.elasticsearch.xpack.esql.analysis

Class Verifier

java.lang.Object

org.elasticsearch.xpack.esql.analysis.Verifier

public class Verifier
extends Object

This class is part of the planner. Responsible for failing impossible queries with a human-readable error message. In particular, this step does type resolution and fails queries based on invalid type expressions.

Constructor Summary

Constructors

Constructor	Description
Verifier(Metrics metrics, XPackLicenseState licenseState)
Verifier(Metrics metrics, XPackLicenseState licenseState, List<BiConsumer<LogicalPlan,Failures>> extraCheckers)

Method Summary

Modifier and Type	Method	Description
XPackLicenseState	licenseState()
static Failure	validateBinaryComparison(BinaryComparison bc)	Limit QL's comparisons to types we support.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Verifier

public Verifier(Metrics metrics,
 XPackLicenseState licenseState)

Verifier

public Verifier(Metrics metrics,
 XPackLicenseState licenseState,
 List<BiConsumer<LogicalPlan,Failures>> extraCheckers)

Method Details

licenseState

public XPackLicenseState licenseState()

validateBinaryComparison

public static Failure validateBinaryComparison(BinaryComparison bc)

Limit QL's comparisons to types we support. This should agree with EsqlBinaryComparison's checkCompatibility method

Returns:

null if the given binary comparison has valid input types, otherwise a failure message suitable to return to the user.