qlgGraph.addVertex(T.label, &quot;B.B&quot;, &quot;int1&quot;, i);</b>
&nbsp;        }
<b class="fc">&nbsp;        this.sqlgGraph.tx().commit();</b>
&nbsp;
<b class="fc">&nbsp;        PropertyColumn propertyColumn = vertexLabel.getProperty(&quot;int1&quot;).get();</b>
<b class="fc">&nbsp;        Index index = vertexLabel.ensureIndexExists(IndexType.UNIQUE, Collections.singletonList(propertyColumn));</b>
<b class="fc">&nbsp;        this.sqlgGraph.tx().commit();</b>
&nbsp;
<b class="fc">&nbsp;        Map&lt;S