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https://github.com/ebean-orm/ebean.git
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No effective change - change newline char
This commit is contained in:
rbygrave
@@ -1,344 +1,344 @@
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package com.avaje.ebeaninternal.server.query;
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import java.sql.SQLException;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.avaje.ebean.QueryIterator;
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import com.avaje.ebean.bean.BeanCollection;
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import com.avaje.ebean.bean.BeanCollectionTouched;
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import com.avaje.ebean.bean.EntityBean;
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import com.avaje.ebean.bean.ObjectGraphNode;
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import com.avaje.ebean.config.dbplatform.DatabasePlatform;
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import com.avaje.ebeaninternal.api.BeanIdList;
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import com.avaje.ebeaninternal.api.SpiQuery;
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import com.avaje.ebeaninternal.server.core.OrmQueryRequest;
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import com.avaje.ebeaninternal.server.lib.util.Str;
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import com.avaje.ebeaninternal.server.persist.Binder;
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import com.avaje.ebeaninternal.server.transaction.TransactionManager;
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/**
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* Handles the Object Relational fetching.
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*/
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public class CQueryEngine {
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private static final Logger logger = LoggerFactory.getLogger(CQueryEngine.class);
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private static final int defaultSecondaryQueryBatchSize = 100;
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private final boolean forwardOnlyHintOnFindIterate;
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private final CQueryBuilder queryBuilder;
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public CQueryEngine(DatabasePlatform dbPlatform, Binder binder) {
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this.forwardOnlyHintOnFindIterate = dbPlatform.isForwardOnlyHintOnFindIterate();
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this.queryBuilder = new CQueryBuilder(dbPlatform, binder);
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}
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public <T> CQuery<T> buildQuery(OrmQueryRequest<T> request) {
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return queryBuilder.buildQuery(request);
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}
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/**
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* Build and execute the find Id's query.
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*/
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public <T> BeanIdList findIds(OrmQueryRequest<T> request) {
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CQueryFetchIds rcQuery = queryBuilder.buildFetchIdsQuery(request);
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try {
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BeanIdList list = rcQuery.findIds();
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if (request.isLogSql()) {
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String logSql = rcQuery.getGeneratedSql();
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if (TransactionManager.SQL_LOGGER.isTraceEnabled()) {
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logSql = Str.add(logSql, "; --bind(", rcQuery.getBindLog(), ")");
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}
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request.logSql(logSql);
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}
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if (request.isLogSummary()) {
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request.getTransaction().logSummary(rcQuery.getSummary());
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}
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if (!list.isFetchingInBackground() && request.getQuery().isFutureFetch()) {
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// end the transaction for futureFindIds (it had it's own one)
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logger.debug("Future findIds completed!");
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request.getTransaction().end();
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}
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return list;
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} catch (SQLException e) {
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throw CQuery.createPersistenceException(e, request.getTransaction(), rcQuery.getBindLog(), rcQuery.getGeneratedSql());
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}
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}
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/**
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* Build and execute the row count query.
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*/
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public <T> int findRowCount(OrmQueryRequest<T> request) {
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CQueryRowCount rcQuery = queryBuilder.buildRowCountQuery(request);
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try {
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int rowCount = rcQuery.findRowCount();
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if (request.isLogSql()) {
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String logSql = rcQuery.getGeneratedSql();
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if (TransactionManager.SQL_LOGGER.isTraceEnabled()) {
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logSql= Str.add(logSql, "; --bind(", rcQuery.getBindLog(), ")");
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}
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request.logSql(logSql);
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}
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if (request.isLogSummary()) {
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request.getTransaction().logSummary(rcQuery.getSummary());
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}
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if (request.getQuery().isFutureFetch()) {
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logger.debug("Future findRowCount completed!");
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request.getTransaction().end();
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}
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return rowCount;
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} catch (SQLException e) {
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throw CQuery.createPersistenceException(e, request.getTransaction(), rcQuery.getBindLog(), rcQuery.getGeneratedSql());
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}
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}
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/**
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* Read many beans using an iterator (except you need to close() the iterator
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* when you have finished).
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*/
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public <T> QueryIterator<T> findIterate(OrmQueryRequest<T> request) {
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CQuery<T> cquery = queryBuilder.buildQuery(request);
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request.setCancelableQuery(cquery);
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try {
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if (!cquery.prepareBindExecuteQueryForwardOnly(forwardOnlyHintOnFindIterate)) {
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// query has been cancelled already
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logger.trace("Future fetch already cancelled");
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return null;
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}
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if (request.isLogSql()) {
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logSql(cquery);
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}
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// first check batch sizes set on query joins
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int iterateBufferSize = request.getSecondaryQueriesMinBatchSize(defaultSecondaryQueryBatchSize);
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if (iterateBufferSize < 1) {
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// not set on query joins so check if batch size set on query itself
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int queryBatch = request.getQuery().getLazyLoadBatchSize();
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if (queryBatch > 0) {
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iterateBufferSize = queryBatch;
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}
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}
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QueryIterator<T> readIterate = cquery.readIterate(iterateBufferSize, request);
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if (request.isLogSummary()) {
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logFindManySummary(cquery);
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}
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return readIterate;
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} catch (SQLException e) {
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throw cquery.createPersistenceException(e);
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}
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}
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/**
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* Find a list/map/set of beans.
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*/
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public <T> BeanCollection<T> findMany(OrmQueryRequest<T> request) {
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CQuery<T> cquery = queryBuilder.buildQuery(request);
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request.setCancelableQuery(cquery);
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try {
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if (!cquery.prepareBindExecuteQuery()) {
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// query has been cancelled already
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logger.trace("Future fetch already cancelled");
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return null;
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}
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if (request.isLogSql()) {
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logSql(cquery);
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}
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BeanCollection<T> beanCollection = cquery.readCollection();
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BeanCollectionTouched collectionTouched = request.getQuery().getBeanCollectionTouched();
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if (collectionTouched != null) {
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// register a listener that wants to be notified when the
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// bean collection is first used
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beanCollection.setBeanCollectionTouched(collectionTouched);
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}
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if (request.isLogSummary()) {
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logFindManySummary(cquery);
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}
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request.executeSecondaryQueries();
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return beanCollection;
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} catch (SQLException e) {
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throw cquery.createPersistenceException(e);
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} finally {
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if (cquery != null) {
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cquery.close();
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}
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if (request.getQuery().isFutureFetch()) {
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// end the transaction for futureFindIds
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// as it had it's own transaction
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logger.debug("Future fetch completed!");
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request.getTransaction().end();
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}
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}
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}
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/**
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* Find and return a single bean using its unique id.
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*/
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@SuppressWarnings("unchecked")
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public <T> T find(OrmQueryRequest<T> request) {
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EntityBean bean = null;
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CQuery<T> cquery = queryBuilder.buildQuery(request);
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try {
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cquery.prepareBindExecuteQuery();
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if (request.isLogSql()) {
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logSql(cquery);
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}
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if (cquery.readBean()) {
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bean = cquery.getLoadedBean();
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}
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if (request.isLogSummary()) {
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logFindBeanSummary(cquery);
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}
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request.executeSecondaryQueries();
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return (T)bean;
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} catch (SQLException e) {
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throw cquery.createPersistenceException(e);
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} finally {
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cquery.close();
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}
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}
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/**
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* Log the generated SQL to the transaction log.
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*/
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private void logSql(CQuery<?> query) {
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String sql = query.getGeneratedSql();
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if (TransactionManager.SQL_LOGGER.isTraceEnabled()) {
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sql= Str.add(sql, "; --bind(", query.getBindLog(), ")");
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}
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query.getTransaction().logSql(sql);
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}
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/**
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* Log the FindById summary to the transaction log.
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*/
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private void logFindBeanSummary(CQuery<?> q) {
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SpiQuery<?> query = q.getQueryRequest().getQuery();
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String loadMode = query.getLoadMode();
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String loadDesc = query.getLoadDescription();
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String lazyLoadProp = query.getLazyLoadProperty();
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ObjectGraphNode node = query.getParentNode();
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String originKey;
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if (node == null || node.getOriginQueryPoint() == null) {
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originKey = null;
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} else {
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originKey = node.getOriginQueryPoint().getKey();
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}
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StringBuilder msg = new StringBuilder(200);
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msg.append("FindBean ");
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if (loadMode != null) {
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msg.append("mode[").append(loadMode).append("] ");
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}
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msg.append("type[").append(q.getBeanName()).append("] ");
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if (query.isAutofetchTuned()) {
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msg.append("tuned[true] ");
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}
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if (originKey != null) {
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msg.append("origin[").append(originKey).append("] ");
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}
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if (lazyLoadProp != null) {
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msg.append("lazyLoadProp[").append(lazyLoadProp).append("] ");
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}
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if (loadDesc != null) {
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msg.append("load[").append(loadDesc).append("] ");
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}
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msg.append("exeMicros[").append(q.getQueryExecutionTimeMicros());
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msg.append("] rows[").append(q.getLoadedRowDetail());
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msg.append("] bind[").append(q.getBindLog()).append("]");
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q.getTransaction().logSummary(msg.toString());
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}
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/**
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* Log the FindMany to the transaction log.
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*/
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private void logFindManySummary(CQuery<?> q) {
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SpiQuery<?> query = q.getQueryRequest().getQuery();
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String loadMode = query.getLoadMode();
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String loadDesc = query.getLoadDescription();
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String lazyLoadProp = query.getLazyLoadProperty();
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ObjectGraphNode node = query.getParentNode();
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String originKey;
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if (node == null || node.getOriginQueryPoint() == null) {
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originKey = null;
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} else {
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originKey = node.getOriginQueryPoint().getKey();
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}
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StringBuilder msg = new StringBuilder(200);
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msg.append("FindMany ");
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if (loadMode != null) {
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msg.append("mode[").append(loadMode).append("] ");
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}
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msg.append("type[").append(q.getBeanName()).append("] ");
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if (query.isAutofetchTuned()) {
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msg.append("tuned[true] ");
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}
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if (originKey != null) {
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msg.append("origin[").append(originKey).append("] ");
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}
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if (lazyLoadProp != null) {
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msg.append("lazyLoadProp[").append(lazyLoadProp).append("] ");
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}
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if (loadDesc != null) {
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msg.append("load[").append(loadDesc).append("] ");
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}
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msg.append("exeMicros[").append(q.getQueryExecutionTimeMicros());
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msg.append("] rows[").append(q.getLoadedRowDetail());
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msg.append("] name[").append(q.getName());
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msg.append("] predicates[").append(q.getLogWhereSql());
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msg.append("] bind[").append(q.getBindLog()).append("]");
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q.getTransaction().logSummary(msg.toString());
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}
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}
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package com.avaje.ebeaninternal.server.query;
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import java.sql.SQLException;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.avaje.ebean.QueryIterator;
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import com.avaje.ebean.bean.BeanCollection;
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import com.avaje.ebean.bean.BeanCollectionTouched;
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import com.avaje.ebean.bean.EntityBean;
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import com.avaje.ebean.bean.ObjectGraphNode;
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import com.avaje.ebean.config.dbplatform.DatabasePlatform;
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import com.avaje.ebeaninternal.api.BeanIdList;
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import com.avaje.ebeaninternal.api.SpiQuery;
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import com.avaje.ebeaninternal.server.core.OrmQueryRequest;
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import com.avaje.ebeaninternal.server.lib.util.Str;
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import com.avaje.ebeaninternal.server.persist.Binder;
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import com.avaje.ebeaninternal.server.transaction.TransactionManager;
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|
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/**
|
||||
* Handles the Object Relational fetching.
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*/
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public class CQueryEngine {
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private static final Logger logger = LoggerFactory.getLogger(CQueryEngine.class);
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private static final int defaultSecondaryQueryBatchSize = 100;
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private final boolean forwardOnlyHintOnFindIterate;
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private final CQueryBuilder queryBuilder;
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public CQueryEngine(DatabasePlatform dbPlatform, Binder binder) {
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this.forwardOnlyHintOnFindIterate = dbPlatform.isForwardOnlyHintOnFindIterate();
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this.queryBuilder = new CQueryBuilder(dbPlatform, binder);
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}
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public <T> CQuery<T> buildQuery(OrmQueryRequest<T> request) {
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return queryBuilder.buildQuery(request);
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}
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/**
|
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* Build and execute the find Id's query.
|
||||
*/
|
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public <T> BeanIdList findIds(OrmQueryRequest<T> request) {
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CQueryFetchIds rcQuery = queryBuilder.buildFetchIdsQuery(request);
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try {
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BeanIdList list = rcQuery.findIds();
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|
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if (request.isLogSql()) {
|
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String logSql = rcQuery.getGeneratedSql();
|
||||
if (TransactionManager.SQL_LOGGER.isTraceEnabled()) {
|
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logSql = Str.add(logSql, "; --bind(", rcQuery.getBindLog(), ")");
|
||||
}
|
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request.logSql(logSql);
|
||||
}
|
||||
|
||||
if (request.isLogSummary()) {
|
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request.getTransaction().logSummary(rcQuery.getSummary());
|
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}
|
||||
|
||||
if (!list.isFetchingInBackground() && request.getQuery().isFutureFetch()) {
|
||||
// end the transaction for futureFindIds (it had it's own one)
|
||||
logger.debug("Future findIds completed!");
|
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request.getTransaction().end();
|
||||
}
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||||
|
||||
return list;
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||||
|
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} catch (SQLException e) {
|
||||
throw CQuery.createPersistenceException(e, request.getTransaction(), rcQuery.getBindLog(), rcQuery.getGeneratedSql());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Build and execute the row count query.
|
||||
*/
|
||||
public <T> int findRowCount(OrmQueryRequest<T> request) {
|
||||
|
||||
CQueryRowCount rcQuery = queryBuilder.buildRowCountQuery(request);
|
||||
try {
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||||
|
||||
int rowCount = rcQuery.findRowCount();
|
||||
|
||||
if (request.isLogSql()) {
|
||||
String logSql = rcQuery.getGeneratedSql();
|
||||
if (TransactionManager.SQL_LOGGER.isTraceEnabled()) {
|
||||
logSql= Str.add(logSql, "; --bind(", rcQuery.getBindLog(), ")");
|
||||
}
|
||||
request.logSql(logSql);
|
||||
}
|
||||
|
||||
if (request.isLogSummary()) {
|
||||
request.getTransaction().logSummary(rcQuery.getSummary());
|
||||
}
|
||||
|
||||
if (request.getQuery().isFutureFetch()) {
|
||||
logger.debug("Future findRowCount completed!");
|
||||
request.getTransaction().end();
|
||||
}
|
||||
|
||||
return rowCount;
|
||||
|
||||
} catch (SQLException e) {
|
||||
throw CQuery.createPersistenceException(e, request.getTransaction(), rcQuery.getBindLog(), rcQuery.getGeneratedSql());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Read many beans using an iterator (except you need to close() the iterator
|
||||
* when you have finished).
|
||||
*/
|
||||
public <T> QueryIterator<T> findIterate(OrmQueryRequest<T> request) {
|
||||
|
||||
CQuery<T> cquery = queryBuilder.buildQuery(request);
|
||||
request.setCancelableQuery(cquery);
|
||||
|
||||
try {
|
||||
|
||||
if (!cquery.prepareBindExecuteQueryForwardOnly(forwardOnlyHintOnFindIterate)) {
|
||||
// query has been cancelled already
|
||||
logger.trace("Future fetch already cancelled");
|
||||
return null;
|
||||
}
|
||||
|
||||
if (request.isLogSql()) {
|
||||
logSql(cquery);
|
||||
}
|
||||
|
||||
// first check batch sizes set on query joins
|
||||
int iterateBufferSize = request.getSecondaryQueriesMinBatchSize(defaultSecondaryQueryBatchSize);
|
||||
if (iterateBufferSize < 1) {
|
||||
// not set on query joins so check if batch size set on query itself
|
||||
int queryBatch = request.getQuery().getLazyLoadBatchSize();
|
||||
if (queryBatch > 0) {
|
||||
iterateBufferSize = queryBatch;
|
||||
}
|
||||
}
|
||||
|
||||
QueryIterator<T> readIterate = cquery.readIterate(iterateBufferSize, request);
|
||||
|
||||
if (request.isLogSummary()) {
|
||||
logFindManySummary(cquery);
|
||||
}
|
||||
|
||||
return readIterate;
|
||||
|
||||
} catch (SQLException e) {
|
||||
throw cquery.createPersistenceException(e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Find a list/map/set of beans.
|
||||
*/
|
||||
public <T> BeanCollection<T> findMany(OrmQueryRequest<T> request) {
|
||||
|
||||
CQuery<T> cquery = queryBuilder.buildQuery(request);
|
||||
request.setCancelableQuery(cquery);
|
||||
|
||||
try {
|
||||
if (!cquery.prepareBindExecuteQuery()) {
|
||||
// query has been cancelled already
|
||||
logger.trace("Future fetch already cancelled");
|
||||
return null;
|
||||
}
|
||||
|
||||
if (request.isLogSql()) {
|
||||
logSql(cquery);
|
||||
}
|
||||
|
||||
BeanCollection<T> beanCollection = cquery.readCollection();
|
||||
|
||||
BeanCollectionTouched collectionTouched = request.getQuery().getBeanCollectionTouched();
|
||||
if (collectionTouched != null) {
|
||||
// register a listener that wants to be notified when the
|
||||
// bean collection is first used
|
||||
beanCollection.setBeanCollectionTouched(collectionTouched);
|
||||
}
|
||||
|
||||
if (request.isLogSummary()) {
|
||||
logFindManySummary(cquery);
|
||||
}
|
||||
|
||||
request.executeSecondaryQueries();
|
||||
|
||||
return beanCollection;
|
||||
|
||||
} catch (SQLException e) {
|
||||
throw cquery.createPersistenceException(e);
|
||||
|
||||
} finally {
|
||||
if (cquery != null) {
|
||||
cquery.close();
|
||||
}
|
||||
if (request.getQuery().isFutureFetch()) {
|
||||
// end the transaction for futureFindIds
|
||||
// as it had it's own transaction
|
||||
logger.debug("Future fetch completed!");
|
||||
request.getTransaction().end();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Find and return a single bean using its unique id.
|
||||
*/
|
||||
@SuppressWarnings("unchecked")
|
||||
public <T> T find(OrmQueryRequest<T> request) {
|
||||
|
||||
EntityBean bean = null;
|
||||
|
||||
CQuery<T> cquery = queryBuilder.buildQuery(request);
|
||||
|
||||
try {
|
||||
cquery.prepareBindExecuteQuery();
|
||||
|
||||
if (request.isLogSql()) {
|
||||
logSql(cquery);
|
||||
}
|
||||
|
||||
if (cquery.readBean()) {
|
||||
bean = cquery.getLoadedBean();
|
||||
}
|
||||
|
||||
if (request.isLogSummary()) {
|
||||
logFindBeanSummary(cquery);
|
||||
}
|
||||
|
||||
request.executeSecondaryQueries();
|
||||
|
||||
return (T)bean;
|
||||
|
||||
} catch (SQLException e) {
|
||||
throw cquery.createPersistenceException(e);
|
||||
|
||||
} finally {
|
||||
cquery.close();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Log the generated SQL to the transaction log.
|
||||
*/
|
||||
private void logSql(CQuery<?> query) {
|
||||
|
||||
String sql = query.getGeneratedSql();
|
||||
if (TransactionManager.SQL_LOGGER.isTraceEnabled()) {
|
||||
sql= Str.add(sql, "; --bind(", query.getBindLog(), ")");
|
||||
}
|
||||
query.getTransaction().logSql(sql);
|
||||
}
|
||||
|
||||
/**
|
||||
* Log the FindById summary to the transaction log.
|
||||
*/
|
||||
private void logFindBeanSummary(CQuery<?> q) {
|
||||
|
||||
SpiQuery<?> query = q.getQueryRequest().getQuery();
|
||||
String loadMode = query.getLoadMode();
|
||||
String loadDesc = query.getLoadDescription();
|
||||
String lazyLoadProp = query.getLazyLoadProperty();
|
||||
ObjectGraphNode node = query.getParentNode();
|
||||
String originKey;
|
||||
if (node == null || node.getOriginQueryPoint() == null) {
|
||||
originKey = null;
|
||||
} else {
|
||||
originKey = node.getOriginQueryPoint().getKey();
|
||||
}
|
||||
|
||||
StringBuilder msg = new StringBuilder(200);
|
||||
msg.append("FindBean ");
|
||||
if (loadMode != null) {
|
||||
msg.append("mode[").append(loadMode).append("] ");
|
||||
}
|
||||
msg.append("type[").append(q.getBeanName()).append("] ");
|
||||
if (query.isAutofetchTuned()) {
|
||||
msg.append("tuned[true] ");
|
||||
}
|
||||
if (originKey != null) {
|
||||
msg.append("origin[").append(originKey).append("] ");
|
||||
}
|
||||
if (lazyLoadProp != null) {
|
||||
msg.append("lazyLoadProp[").append(lazyLoadProp).append("] ");
|
||||
}
|
||||
if (loadDesc != null) {
|
||||
msg.append("load[").append(loadDesc).append("] ");
|
||||
}
|
||||
msg.append("exeMicros[").append(q.getQueryExecutionTimeMicros());
|
||||
msg.append("] rows[").append(q.getLoadedRowDetail());
|
||||
msg.append("] bind[").append(q.getBindLog()).append("]");
|
||||
|
||||
q.getTransaction().logSummary(msg.toString());
|
||||
}
|
||||
|
||||
/**
|
||||
* Log the FindMany to the transaction log.
|
||||
*/
|
||||
private void logFindManySummary(CQuery<?> q) {
|
||||
|
||||
SpiQuery<?> query = q.getQueryRequest().getQuery();
|
||||
String loadMode = query.getLoadMode();
|
||||
String loadDesc = query.getLoadDescription();
|
||||
String lazyLoadProp = query.getLazyLoadProperty();
|
||||
ObjectGraphNode node = query.getParentNode();
|
||||
|
||||
String originKey;
|
||||
if (node == null || node.getOriginQueryPoint() == null) {
|
||||
originKey = null;
|
||||
} else {
|
||||
originKey = node.getOriginQueryPoint().getKey();
|
||||
}
|
||||
|
||||
StringBuilder msg = new StringBuilder(200);
|
||||
msg.append("FindMany ");
|
||||
if (loadMode != null) {
|
||||
msg.append("mode[").append(loadMode).append("] ");
|
||||
}
|
||||
msg.append("type[").append(q.getBeanName()).append("] ");
|
||||
if (query.isAutofetchTuned()) {
|
||||
msg.append("tuned[true] ");
|
||||
}
|
||||
if (originKey != null) {
|
||||
msg.append("origin[").append(originKey).append("] ");
|
||||
}
|
||||
if (lazyLoadProp != null) {
|
||||
msg.append("lazyLoadProp[").append(lazyLoadProp).append("] ");
|
||||
}
|
||||
if (loadDesc != null) {
|
||||
msg.append("load[").append(loadDesc).append("] ");
|
||||
}
|
||||
msg.append("exeMicros[").append(q.getQueryExecutionTimeMicros());
|
||||
msg.append("] rows[").append(q.getLoadedRowDetail());
|
||||
msg.append("] name[").append(q.getName());
|
||||
msg.append("] predicates[").append(q.getLogWhereSql());
|
||||
msg.append("] bind[").append(q.getBindLog()).append("]");
|
||||
|
||||
q.getTransaction().logSummary(msg.toString());
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user