Mybatis动态sql实例

<?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="com.chinaunicom.asset.server.assetpublish.dao.AssetPublishTransLogMapper">
    <resultMap id="BaseResultMap" type="com.chinaunicom.asset.server.assetpublish.entity.AssetPublishTransLogEntity" >
        <result column="id" jdbcType="BIGINT" property="id" />
        <result column="version_id" jdbcType="BIGINT" property="versionId" />
        <result column="asset_id" jdbcType="BIGINT" property="assetId" />
        <result column="version_name" jdbcType="VARCHAR" property="versionName" />
        <result column="publisher_id" jdbcType="VARCHAR" property="publisherId" />
        <result column="version_note" jdbcType="VARCHAR" property="versionNote" />
        <result column="screen_urls" jdbcType="VARCHAR" property="screenUrls" />
        <result column="cover_img_url" jdbcType="VARCHAR" property="coverImgUrl" />
        <result column="description" jdbcType="VARCHAR" property="description" />
        <result column="package_id" jdbcType="BIGINT" property="packageId" />
        <result column="sketch_url" jdbcType="VARCHAR" property="sketchUrl" />
        <result column="create_time" jdbcType="TIMESTAMP" property="createTime" />
        <result column="update_time" jdbcType="TIMESTAMP" property="updateTime" />
        <result column="is_delete" jdbcType="INTEGER" property="deleted" />
        <result column="asset_type_id" jdbcType="INTEGER" property="assetTypeId" />
        <result column="asset_subtype_id" jdbcType="INTEGER" property="assetSubTypeId" />
    </resultMap>

    <sql id="Base_Column_List">
        id, version_id, asset_id, version_name, publisher_id, version_note, screen_urls ,
        cover_img_url, description, package_id, sketch_url, create_time, update_time,
        is_delete, asset_type_id, asset_subtype_id
    </sql>

    <insert id="insert" useGeneratedKeys="true" keyColumn="id" keyProperty="id" parameterType="com.chinaunicom.asset.server.assetpublish.entity.AssetPublishTransLogEntity">
        INSERT INTO asset_publish_trans
        <trim prefix="(" suffix=")" suffixOverrides=",">
                version_id,
                asset_id,
                version_name,
                publisher_id,
            <if test="null != versionNote and '' != versionNote">
                version_note,
            </if>
            <if test="null != coverImgUrl and '' != coverImgUrl">
                cover_img_url,
            </if>
            <if test="null != screenUrls and '' != screenUrls">
                screen_urls,
            </if>
            <if test="null != description and '' != description">
                description,
            </if>
                package_id,
                sketch_url,
                create_time,
            is_delete, asset_type_id, asset_subtype_id
        </trim>
        <trim prefix="values (" suffix=")" suffixOverrides=",">
            #{versionId}, #{assetId}, #{versionName}, #{publisherId},

            <if test="null != versionNote and '' != versionNote">
                #{versionNote},
            </if>
            <if test="null != coverImgUrl and '' != coverImgUrl">
                #{coverImgUrl},
            </if>
            <if test="null != screenUrls and '' != screenUrls">
                #{screenUrls},
            </if>
            <if test="null != description and '' != description">
                #{description},
            </if>
            #{packageId},
            #{sketchUrl},
                now(),
                #{deleted}, #{assetTypeId}, #{assetSubTypeId}
        </trim>
    </insert>

    <update id="delete" >
        UPDATE asset_publish_trans SET is_delete = 1
        WHERE version_id = #{versionId}
    </update>

    <update id="update" parameterType="com.chinaunicom.asset.server.assetpublish.entity.AssetPublishTransLogEntity">
        UPDATE asset_publish_trans
        <set>
            description = #{description},
            asset_type_id = #{assetTypeId},
            asset_subtype_id = #{assetSubTypeId},
            cover_img_url = #{coverImgUrl},
            update_time = #{updateTime},
            sketch_url = #{sketchUrl}
        </set>
        WHERE version_id = #{versionId}
    </update>

    <select id="queryAssetPubLogByVersionId" resultMap="BaseResultMap">
        SELECT <include refid="Base_Column_List" />
        FROM asset_publish_trans
        where version_id = #{versionId}
        and is_delete =0
    </select>

    <select id="queryAssetPubLogByAssetId" resultMap="BaseResultMap">
        SELECT <include refid="Base_Column_List" />
        FROM asset_publish_trans
        where asset_id = #{assetId}
        and is_delete =0
    </select>

    <select id="obtainOldestPublishLog" resultMap="BaseResultMap">
        SELECT <include refid="Base_Column_List" />
        FROM asset_publish_trans
        where asset_id = #{assetId} and  version_name = #{versionName}
        and is_delete =0 order by create_time limit 1
    </select>

    <select id="obtainNewestPublishLog" resultMap="BaseResultMap">
        SELECT <include refid="Base_Column_List" />
        FROM asset_publish_trans
        where asset_id = #{assetId}
        and is_delete =0 order by create_time desc limit 1
    </select>

    <select id="queryAssetPubLogByAssetIdAndVersion" resultMap="BaseResultMap">
        SELECT <include refid="Base_Column_List" />
        FROM asset_publish_trans
        where asset_id = #{assetId}
        <if test="null != assetVersion and '' != assetVersion">
            and version_name = #{assetVersion}
        </if>
        and is_delete =0 order by create_time desc limit 1
    </select>

    <select id="publishCountByPackageId" resultType="int">
        SELECT count(1)
        FROM asset_publish_trans
        where package_id = #{packageId}
        and is_delete =0
    </select>

</mapper>