etc.example.mybatis-mapper-template.xml Maven / Gradle / Ivy
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="support2">
<!-- ============================== 动态过滤,排序支持 ============================== -->
<!--
动态过滤条件集合
默认过滤条件集合为 _filters
如果需要遍历其他 filters 对象
<bind name="_oldFilters" value="_filters" />
<bind name="_filters" value="secondFilter" /> 设置要遍历 secondFilters
<include refid="support2.dynamicFilters" />
-->
<sql id="dynamicFilters">
<if test="_filters != null">
<foreach item="filter" collection="_filters" separator=" AND ">
<include refid="support2.foreachFilter"/>
</foreach>
</if>
</sql>
<!--
动态过滤条件
过滤条件属性 filter
属性前缀为 空
如果需要遍历其他, 可通过 bind 实现, 参考 dynamicFilters 注释
如果需要为每个过滤属性追加前缀:
<bind name="_filterPrefix" value="'ROOT.'" />
<include refid="support2.dynamicFilters" />
<bind name="_filterPrefix" value="''" /> 还原前缀
-->
<sql id="foreachFilter">
<foreach item="value" collection="filter" open="(" close=")" separator=" OR ">
<!-- 忽略大小写时记得建立大/小写索引 -->
<!-- 大写索引的创建 CREATE INDEX WS_NAME_IDX ON TB_WEBSITE(UPPER(NAME)); -->
<!-- LIKE 索引失效问题求解决 -->
<choose>
<!--
WARN: mybatis 3.3.0 更新了 OGNL 产生抽象枚举比较错误
已经提交: https://github.com/jkuhnert/ognl/issues/15
mybaits 3.2.8 没有问题
临时解决方案 Operator.name() == 'NE'
-->
<when test="filter.operator.name() == 'LK'">
UPPER(${_filterPrefix}${filter.property}) ${filter.operator} UPPER(#{value})
</when>
<when test="filter.operator.name() == 'BW'">
UPPER(${_filterPrefix}${filter.property}) ${filter.operator} UPPER(#{value})
</when>
<when test="filter.operator.name() == 'BN'">
UPPER(${_filterPrefix}${filter.property}) ${filter.operator} UPPER(#{value})
</when>
<when test="filter.operator.name() == 'EW'">
UPPER(${_filterPrefix}${filter.property}) ${filter.operator} UPPER(#{value})
</when>
<when test="filter.operator.name() == 'EN'">
UPPER(${_filterPrefix}${filter.property}) ${filter.operator} UPPER(#{value})
</when>
<when test="filter.operator.name() == 'CN'">
UPPER(${_filterPrefix}${filter.property}) ${filter.operator} UPPER(#{value})
</when>
<when test="filter.operator.name() == 'NC'">
UPPER(${_filterPrefix}${filter.property}) ${filter.operator} UPPER(#{value})
</when>
<when test="filter.operator.name() == 'NU'">
${_filterPrefix}${filter.property} IS NULL
</when>
<when test="filter.operator.name() == 'NN'">
${_filterPrefix}${filter.property} IS NOT NULL
</when>
<!--
<when test="filter.operator == @org.ponly.webbase.domain.Filters$Operator@LK">
UPPER(${_filterPrefix}${filter.property}) ${filter.operator} UPPER(#{value})
</when>
<when test="filter.operator == @org.ponly.webbase.domain.Filters$Operator@BW">
UPPER(${_filterPrefix}${filter.property}) ${filter.operator} UPPER(#{value})
</when>
<when test="filter.operator == @org.ponly.webbase.domain.Filters$Operator@BN">
UPPER(${_filterPrefix}${filter.property}) ${filter.operator} UPPER(#{value})
</when>
<when test="filter.operator == @org.ponly.webbase.domain.Filters$Operator@EW">
UPPER(${_filterPrefix}${filter.property}) ${filter.operator} UPPER(#{value})
</when>
<when test="filter.operator == @org.ponly.webbase.domain.Filters$Operator@EN">
UPPER(${_filterPrefix}${filter.property}) ${filter.operator} UPPER(#{value})
</when>
<when test="filter.operator == @org.ponly.webbase.domain.Filters$Operator@CN">
UPPER(${_filterPrefix}${filter.property}) ${filter.operator} UPPER(#{value})
</when>
<when test="filter.operator == @org.ponly.webbase.domain.Filters$Operator@NC">
UPPER(${_filterPrefix}${filter.property}) ${filter.operator} UPPER(#{value})
</when>
<when test="filter.operator == @org.ponly.webbase.domain.Filters$Operator@NU">
${_filterPrefix}${filter.property} IS NULL
</when>
<when test="filter.operator == @org.ponly.webbase.domain.Filters$Operator@NN">
${_filterPrefix}${filter.property} IS NOT NULL
</when>
-->
<otherwise>
${_filterPrefix}${filter.property} ${filter.operator} #{value}
</otherwise>
</choose>
</foreach>
</sql>
<!--
动态排序
默认排序属性为 _sort
默认排序字段前缀为空
如果需要
<bind name="_oldSort" value="_sort" />
<bind name="_sort" value="secondSort" />
<bind name="_sortPrefix" value="'PREFIX'" />
<include refid="support2.dynamicSort" />
<bind name="_sortPrefix" value="''" />
-->
<sql id="dynamicSort">
<if test="_sort != null">
<foreach item="order" collection="_sort" separator=",">
${_sortPrefix}${order.property} ${order.direction}
</foreach>
</if>
</sql>
<!-- ========================= UUID 支持 ============================ -->
<sql id="uuid">
<choose>
<when test="_databaseId == 'mysql'">
<include refid="support2.__mysqlUUID"/>
</when>
<otherwise>
<include refid="support2.__oracleGUID"/>
</otherwise>
</choose>
</sql>
<sql id="__mysqlUUID">SELECT UUID()</sql>
<sql id="__oracleGUID">SELECT SYS_GUID() FROM DUAL</sql>
<!-- ================================ 分页支持 ==================================== -->
<!-- 分页头, 仅为兼容,请不要再使用 -->
<sql id="pagingHeader">
<if test="_offset != null and _maxResults != null">
SELECT * FROM (
</if>
</sql>
<!-- 分页尾, 仅为兼容,请不要再使用 -->
<sql id="pagingFooter">
<if test="_offset != null and _maxResults != null">
) R LIMIT #{_offset}, #{_maxResults}
</if>
</sql>
<!-- id相同时,可以通过 databaseId 自动匹配, 但是id 相同 IDE 报错不爽 -->
<sql id="ph">
<if test="_offset != null and _maxResults != null">
<choose>
<when test="_databaseId == 'mysql'">
<include refid="support2.__mysqlPagingHeader"/>
</when>
<otherwise>
<include refid="support2.__oraclePagingHeader"/>
</otherwise>
</choose>
</if>
</sql>
<!-- 分页尾 -->
<sql id="pf">
<if test="_offset != null and _maxResults != null">
<choose>
<when test="_databaseId == 'mysql'">
<include refid="support2.__mysqlPagingFooter"/>
</when>
<otherwise>
<include refid="support2.__oraclePagingFooter"/>
</otherwise>
</choose>
</if>
</sql>
<!-- oracle paging wrapper -->
<sql id="__oraclePagingHeader">
SELECT * FROM (
SELECT R.*, ROWNUM RN FROM (
</sql>
<sql id="__oraclePagingFooter">
) R
WHERE ROWNUM <![CDATA[ <= ]]> #{_offset} + #{_maxResults}
) P
WHERE P.RN <![CDATA[ > ]]> #{_offset}
</sql>
<!-- mysql paging wrapper -->
<sql id="__mysqlPagingHeader"> SELECT * FROM ( </sql>
<sql id="__mysqlPagingFooter"> ) R LIMIT #{_offset}, #{_maxResults} </sql>
<!-- =================== ===================== -->
<!-- 有问题, 实现不了, 暂时不用 -->
<sql id="dynamicGroupedFilter">
<if test="_grouped_filter != null and (_grouped_filter.rules.size > 0 or _grouped_filter.groups.size > 0)">
(
<!-- 遍历所有规则 -->
<if test="_grouped_filter.rules.size > 0">
<foreach item="rule" collection="_grouped_filter.rules" index="i">
<!-- separator 不能使用变量 -->
<if test="0 lt i">${_grouped_filter.op}</if>
<choose>
<when test="rule.op == @Rule$Op@NU or rule.op == @Rule$Op@NN">
${rule.property} ${rule.op}
</when>
<otherwise>
${rule.property} ${rule.op} #{rule.value}
</otherwise>
</choose>
</foreach>
<if test="_grouped_filter.groups != null and _grouped_filter.groups.size > 0">${_grouped_filter.op}</if>
</if>
<if test="_grouped_filter.groups != null and _grouped_filter.groups.size > 0">
<foreach item="_grouped_filter" collection="_grouped_filter.groups" separator=" ${_grouped_filter.op} ">
<!-- mybatis 是先包含在执行, 因此这里递归包含会死循环 -->
<!--<include refid="support2.dynamicGroupedFilter" />-->
<if test="_grouped_filter.rules.size > 0">
(
<foreach item="rule" collection="_grouped_filter.rules" index="i">
<!-- separator 不能使用变量 -->
<if test="0 lt i">${_grouped_filter.op}</if>
<choose>
<when test="rule.op == @Rule$Op@NU or rule.op == @Rule$Op@NN">
${rule.property} ${rule.op}
</when>
<otherwise>
${rule.property} ${rule.op} #{rule.value}
</otherwise>
</choose>
</foreach>
)
</if>
</foreach>
</if>
)
</if>
</sql>
</mapper>
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