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#1297 - ENH: Add DtoQuery ... such that we can map native SQL queries automatically into "DTO beans"

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This commit is contained in:
Rob Bygrave
2018-03-02 23:32:01 +13:00
parent 5801f7620d
commit aad5b33db2
47 changed files with 2293 additions and 273 deletions
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src/main/java/io/ebeaninternal/server/query/DefaultRelationalQueryEngine.java
+13 -19
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@@ -22,15 +22,22 @@ public class DefaultRelationalQueryEngine implements RelationalQueryEngine {
private final String dbTrueValue;
public DefaultRelationalQueryEngine(Binder binder, String dbTrueValue) {
private final boolean binaryOptimizedUUID;
public DefaultRelationalQueryEngine(Binder binder, String dbTrueValue, boolean binaryOptimizedUUID) {
this.binder = binder;
this.dbTrueValue = dbTrueValue == null ? "true" : dbTrueValue;
this.binaryOptimizedUUID = binaryOptimizedUUID;
}
@Override
public SqlRow createSqlRow(int estimateCapacity) {
return new DefaultSqlRow(estimateCapacity, 0.75f, dbTrueValue, binaryOptimizedUUID);
}
@Override
public void findEach(RelationalQueryRequest request, Predicate<SqlRow> consumer) {
long startTime = System.currentTimeMillis();
try {
request.executeSql(binder);
while (request.next()) {
@@ -38,7 +45,7 @@ public class DefaultRelationalQueryEngine implements RelationalQueryEngine {
break;
}
}
logSummary(request, startTime);
request.logSummary();
} catch (Exception e) {
throw new PersistenceException(Message.msg("fetch.error", e.getMessage(), request.getSql()), e);
@@ -51,14 +58,12 @@ public class DefaultRelationalQueryEngine implements RelationalQueryEngine {
@Override
public void findEach(RelationalQueryRequest request, Consumer<SqlRow> consumer) {
long startTime = System.currentTimeMillis();
try {
request.executeSql(binder);
while (request.next()) {
consumer.accept(readRow(request));
}
logSummary(request, startTime);
request.logSummary();
} catch (Exception e) {
throw new PersistenceException(Message.msg("fetch.error", e.getMessage(), request.getSql()), e);
@@ -71,17 +76,14 @@ public class DefaultRelationalQueryEngine implements RelationalQueryEngine {
@Override
public List<SqlRow> findList(RelationalQueryRequest request) {
long startTime = System.currentTimeMillis();
try {
request.executeSql(binder);
List<SqlRow> rows = new ArrayList<>();
while (request.next()) {
rows.add(readRow(request));
}
logSummary(request, startTime);
request.logSummary();
return rows;
} catch (Exception e) {
@@ -92,19 +94,11 @@ public class DefaultRelationalQueryEngine implements RelationalQueryEngine {
}
}
private void logSummary(RelationalQueryRequest request, long startTime) {
if (request.isLogSummary()) {
long exeTime = System.currentTimeMillis() - startTime;
request.getTransaction().logSummary("SqlQuery rows[" + request.getRowCount() + "] time[" + exeTime + "] bind[" + request.getBindLog() + "]");
}
}
/**
* Read the row from the ResultSet and return as a MapBean.
*/
private SqlRow readRow(RelationalQueryRequest request) throws SQLException {
return request.createNewRow(dbTrueValue);
return request.createNewRow();
}
}