sonatype-lift[bot] commented on a change in pull request #453:
URL: https://github.com/apache/solr/pull/453#discussion_r766896087
##########
File path: solr/core/src/java/org/apache/solr/handler/SQLHandler.java
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@@ -145,17 +150,56 @@ public String getSource() {
private boolean firstTuple = true;
List<String> metadataFields = new ArrayList<>();
Map<String, String> metadataAliases = new HashMap<>();
+ private final boolean returnSolrQueryOnly;
+ private final String sqlQuery;
+ TupleStream queryTupleStream;
SqlHandlerStream(String connectionUrl, String sqlQuery, StreamComparator
definedSort,
Properties connectionProperties, String driverClassName,
boolean includeMetadata)
throws IOException {
super(connectionUrl, sqlQuery, definedSort, connectionProperties,
driverClassName);
this.includeMetadata = includeMetadata;
+ this.returnSolrQueryOnly =
"true".equals(connectionProperties.getProperty("returnSolrQueryOnly"));
+ this.sqlQuery = sqlQuery;
+ }
+
+ @Override
+ @SuppressWarnings({"unchecked", "rawtypes"})
+ public void open() throws IOException {
+ if (returnSolrQueryOnly) {
+ // Get the Calcite connection and then call prepareSql so we can grab
the TupleStream directly
+ // to by-pass all the ResultSet creation in the JDBC layer as we just
want the Solr query for this SQL vs. executing the SQL
+ CalciteConnection calciteConn = (CalciteConnection)openConnection();
+ CalcitePrepare.Context context = calciteConn.createPrepareContext();
+ CalcitePrepare.CalciteSignature sig =
+ (new CalcitePrepareImpl()).prepareSql(context,
CalcitePrepare.Query.of(sqlQuery), Object[].class, -1);
Review comment:
I've recorded this as ignored for this pull request. If you change your
mind, just comment `@sonatype-lift unignore`.
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