<!--统计指定节点子节点具有指定节点名称的数目-->
    <select id="countChildrenWithNameInNode" parameterType="java.util.HashMap"  resultType="java.lang.Integer" databaseId="oracle">
        SELECT COUNT(*) CNT
        FROM "ORG_NODE"         
        <where>
            <if test="pId!=null and pId!=''">
                PARENT_ID=#{pId}
            </if>            
            <if test="nodeName!=null and nodeName!=''">
                AND NODE_NAME=#{nodeName}
            </if>
        </where>
    </select>

Creating a new SqlSession
SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@a9e1e62] was not registered for synchronization because synchronization is not active
JDBC Connection [com.alibaba.druid.proxy.jdbc.ConnectionProxyImpl@afebc12] will not be managed by Spring
==>  Preparing: SELECT COUNT(*) value FROM "ORG_NODE" WHERE PARENT_ID=? AND NODE_NAME=? 
==> Parameters: f86b732c75e447a7a34b472a4dc8a9de(String), R(52)(String)
<==    Columns: VALUE
<==        Row: 0
<==      Total: 1
Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@a9e1e62]