org.apache.hadoop.hive.ql.hooks.QueryLifeTimeHookWithParseHooks Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
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*/
package org.apache.hadoop.hive.ql.hooks;
import org.apache.hadoop.hive.common.classification.InterfaceAudience;
import org.apache.hadoop.hive.common.classification.InterfaceStability;
/**
* Extension of {@link QueryLifeTimeHook} that has hooks for pre and post parsing of a query.
*/
@InterfaceAudience.Public
@InterfaceStability.Stable
public interface QueryLifeTimeHookWithParseHooks extends QueryLifeTimeHook {
/**
* Invoked before a query enters the parse phase.
*
* @param ctx the context for the hook
*/
void beforeParse(QueryLifeTimeHookContext ctx);
/**
* Invoked after a query parsing. Note: if 'hasError' is true,
* the query won't enter the following compilation phase.
*
* @param ctx the context for the hook
* @param hasError whether any error occurred during compilation.
*/
void afterParse(QueryLifeTimeHookContext ctx, boolean hasError);
}