little housekeeping

Author: wumpz

src/main/java/net/sf/jsqlparser/expression/OracleHierarchicalExpression.java

@@ -60,6 +60,7 @@ public void accept(ExpressionVisitor expressionVisitor) {
 		expressionVisitor.visit(this);
 	}
 
+	@Override
 	public String toString() {
 		StringBuilder b = new StringBuilder();
 		if (startExpression != null) {

src/main/java/net/sf/jsqlparser/statement/alter/Alter.java

@@ -83,6 +83,7 @@ public void accept(StatementVisitor statementVisitor) {
 		statementVisitor.visit(this);
 	}
 
+	@Override
 	public String toString() {
 		return "ALTER TABLE " + table.getWholeTableName() + " ADD COLUMN " + columnName + " " + dataType.toString();
 	}

src/main/java/net/sf/jsqlparser/statement/create/index/CreateIndex.java

@@ -38,6 +38,7 @@ public class CreateIndex implements Statement {
 	private Table table;
 	private Index index;
 
+	@Override
 	public void accept(StatementVisitor statementVisitor) {
 		statementVisitor.visit(this);
 	}
@@ -64,6 +65,7 @@ public void setTable(Table table) {
 		this.table = table;
 	}
 
+	@Override
 	public String toString() {
 		StringBuffer buffer = new StringBuffer();
 

src/main/java/net/sf/jsqlparser/statement/select/LateralSubSelect.java

@@ -57,10 +57,12 @@ public void setAlias(Alias alias) {
 		this.alias = alias;
 	}
 
+	@Override
     public Pivot getPivot() {
         return pivot;
     }
 
+	@Override
     public void setPivot(Pivot pivot) {
         this.pivot = pivot;
     }

src/main/java/net/sf/jsqlparser/statement/select/WithItem.java

@@ -80,6 +80,7 @@ public String toString() {
 				+ " AS (" + selectBody + ")";
 	}
 
+	@Override
 	public void accept(SelectVisitor visitor) {
 		visitor.visit(this);
 	}