[SQLite] Add copy constructors for SELECTs and joins

mrigger · mrigger · commit 516c68247f11 · 2020-10-01T22:36:31.000+02:00
diff --git a/configs/pmd-rules.xml b/configs/pmd-rules.xml
@@ -90,5 +90,6 @@
 		<exclude name="CommentRequired" />
 		<exclude name="CommentSize" />
 		<exclude name="UncommentedEmptyMethodBody" />
+		<exclude name="UncommentedEmptyConstructor" />
 	</rule>
 </ruleset>
diff --git a/src/sqlancer/sqlite3/ast/SQLite3Expression.java b/src/sqlancer/sqlite3/ast/SQLite3Expression.java
@@ -138,6 +138,12 @@ public enum JoinType {
         private SQLite3Expression onClause;
         private JoinType type;
 
+        public Join(Join other) {
+            this.table = other.table;
+            this.onClause = other.onClause;
+            this.type = other.type;
+        }
+
         public Join(SQLite3Table table, SQLite3Expression onClause, JoinType type) {
             this.table = table;
             this.onClause = onClause;
diff --git a/src/sqlancer/sqlite3/ast/SQLite3Select.java b/src/sqlancer/sqlite3/ast/SQLite3Select.java
@@ -1,5 +1,6 @@
 package sqlancer.sqlite3.ast;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
@@ -18,6 +19,25 @@ public class SQLite3Select extends SQLite3Expression {
     private List<Join> joinStatements = Collections.emptyList();
     private SQLite3Expression havingClause;
 
+    public SQLite3Select() {
+    }
+
+    public SQLite3Select(SQLite3Select other) {
+        fromOptions = other.fromOptions;
+        fromList = new ArrayList<>(other.fromList);
+        whereClause = other.whereClause;
+        groupByClause = other.groupByClause;
+        limitClause = other.limitClause;
+        orderByClause = new ArrayList<>(other.orderByClause);
+        offsetClause = other.offsetClause;
+        fetchColumns = new ArrayList<>(fetchColumns);
+        joinStatements = new ArrayList<>();
+        for (Join j : other.joinStatements) {
+            joinStatements.add(new Join(j));
+        }
+        havingClause = other.havingClause;
+    }
+
     public enum SelectType {
         DISTINCT, ALL;
     }
