feat: implement the like operation

hanyisong · hanyisong · commit a717c5df3496 · 2022-08-19T12:03:30.000+08:00
diff --git a/src/sqlancer/databend/ast/DatabendLikeOperation.java b/src/sqlancer/databend/ast/DatabendLikeOperation.java
@@ -0,0 +1,31 @@
+package sqlancer.databend.ast;
+
+import sqlancer.Randomly;
+import sqlancer.common.ast.BinaryOperatorNode;
+import sqlancer.common.ast.newast.NewBinaryOperatorNode;
+import sqlancer.common.ast.newast.Node;
+
+public class DatabendLikeOperation extends NewBinaryOperatorNode<DatabendExpression> {
+
+    public DatabendLikeOperation(Node<DatabendExpression> left, Node<DatabendExpression> right
+            , DatabendLikeOperator op) {
+        super(left, right, op);
+    }
+
+
+    public enum DatabendLikeOperator implements BinaryOperatorNode.Operator {
+        LIKE_OPERATOR("LIKE","like");
+
+        private final String[] textRepresentations;
+
+        DatabendLikeOperator(String... text){
+            textRepresentations = text;
+        }
+
+        @Override
+        public String getTextRepresentation() {
+            return Randomly.fromOptions(textRepresentations);
+        }
+    }
+
+}
