### Description

Tracking total hits sometimes has a non-negligible impact on performance. We should disable it when not strictly required.
x-pack/plugin/sql/src/main/java/org/elasticsearch/xpack/sql/execution/search/Querier.java
import org.elasticsearch.xpack.sql.SqlIllegalArgumentException;
import org.elasticsearch.xpack.sql.execution.PlanExecutor;
import org.elasticsearch.xpack.sql.execution.search.extractor.CompositeKeyExtractor;
import org.elasticsearch.xpack.sql.execution.search.extractor.FieldHitExtractor;
import org.elasticsearch.xpack.sql.execution.search.extractor.MetricAggExtractor;
import org.elasticsearch.xpack.sql.execution.search.extractor.PivotExtractor;
import org.elasticsearch.xpack.sql.execution.search.extractor.TopHitsAggExtractor;
import org.elasticsearch.xpack.sql.planner.PlanningException;
import org.elasticsearch.xpack.sql.querydsl.agg.Aggs;
import org.elasticsearch.xpack.sql.querydsl.container.ComputedRef;
import org.elasticsearch.xpack.sql.querydsl.container.GlobalCountRef;
import org.elasticsearch.xpack.sql.querydsl.container.GroupByRef;
import org.elasticsearch.xpack.sql.querydsl.container.MetricAggRef;
import org.elasticsearch.xpack.sql.querydsl.container.PivotColumnRef;
import org.elasticsearch.xpack.sql.querydsl.container.QueryContainer;
import org.elasticsearch.xpack.sql.querydsl.container.ScriptFieldRef;
import org.elasticsearch.xpack.sql.querydsl.container.SearchHitFieldRef;
import org.elasticsearch.xpack.sql.querydsl.container.TopHitsAggRef;
import org.elasticsearch.xpack.sql.session.Cursor;
import org.elasticsearch.xpack.sql.session.Cursor.Page;
import org.elasticsearch.xpack.sql.session.ListCursor;
import org.elasticsearch.xpack.sql.session.RowSet;
import org.elasticsearch.xpack.sql.session.Rows;
import org.elasticsearch.xpack.sql.session.SchemaRowSet;
import org.elasticsearch.xpack.sql.session.SqlConfiguration;
import org.elasticsearch.xpack.sql.session.SqlSession;
import java.io.IOException;
import java.util.ArrayList;
import java.util.BitSet;
import java.util.Collections;