[SQLite3] Add an option for testing joins

mrigger · mrigger · commit d1786ae4d725 · 2020-04-27T14:28:24.000+02:00
diff --git a/src/sqlancer/sqlite3/SQLite3Options.java b/src/sqlancer/sqlite3/SQLite3Options.java
@@ -50,6 +50,9 @@ public class SQLite3Options {
 	@Parameter(names = { "--test-nulls-first-last" }, description = "Allow NULLS FIRST/NULLS LAST in ordering terms", arity = 1)
 	public boolean testNullsFirstLast;
 
+	@Parameter(names = { "--test-joins" }, description = "Allow the generation of JOIN clauses", arity = 1)
+	public boolean testJoins;
+
 
 	@Parameter(names = "--oracle", converter = DBMSConverter.class)
 	public SQLite3Oracle oracle = SQLite3Oracle.METAMORPHIC;
diff --git a/src/sqlancer/sqlite3/gen/SQLite3ExpressionGenerator.java b/src/sqlancer/sqlite3/gen/SQLite3ExpressionGenerator.java
@@ -118,6 +118,9 @@ public List<SQLite3Expression> generateOrderBys() {
 
 	public List<Join> getRandomJoinClauses(List<SQLite3Table> tables) {
 		List<Join> joinStatements = new ArrayList<>();
+		if (!globalState.getDmbsSpecificOptions().testJoins) {
+			return joinStatements;
+		}
 		if (Randomly.getBoolean() && tables.size() > 1) {
 			int nrJoinClauses = (int) Randomly.getNotCachedInteger(0, tables.size());
 			for (int i = 0; i < nrJoinClauses; i++) {
