Package org.elasticsearch.xpack.esql.capabilities
package org.elasticsearch.xpack.esql.capabilities
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InterfacesClassDescriptionInterface implemented by expressions or plans that require validation after query plan analysis, when the indices and references have been resolved, but before the plan is transformed further by optimizations.Interface implemented by expressions or plans that require validation after query plan analysis, when the indices and references have been resolved, but before the plan is transformed further by optimizations.Interface implemented by expressions that require validation post logical optimization, when the plan and references have been not just resolved but also replaced.Interface for plan nodes that need to be accounted in the statisticsExpressions implementing this interface can get called on data nodes to provide an Elasticsearch/Lucene query.Subinterface for expressions that can only process single values (and null out on MVs).