PostgreSQL删除更新优化操作

ALTER TABLE tableName DISABLE TRIGGER ALL; 
  delete 目标语句 
ALTER TABLE tableName ENABLE TRIGGER ALL;

<update id="batchUpdate2" parameterType="java.util.List">
		UPDATE lt_dzheinfo 
		 <trim prefix="set" suffixOverrides=",">
   <trim prefix="dzzhao =case" suffix="end,">
    <foreach collection="list" item="reader" index="index">
      when dzid=#{reader.readerId} then #{reader.readerBarcode}
    </foreach>
   </trim>
   <trim prefix="xming =case" suffix="end,">
    <foreach collection="list" item="reader" index="index">
      when dzid=#{reader.readerId} then #{reader.readerName}
    </foreach>
   </trim>
    <trim prefix="ztai =case" suffix="end,">
    <foreach collection="list" item="reader" index="index">
      when dzid=#{reader.readerId} then #{reader.readerState}
    </foreach>
   </trim>
    <trim prefix="mima =case" suffix="end,">
    <foreach collection="list" item="reader" index="index">
      when dzid=#{reader.readerId} then #{reader.readerPsw}
    </foreach>
   </trim>
   <trim prefix="dzlxid =case" suffix="end,">
    <foreach collection="list" item="reader" index="index">
      when dzid=#{reader.readerId} then #{reader.readerType}
    </foreach>
   </trim>
   <trim prefix="zjlx =case" suffix="end,">
    <foreach collection="list" item="reader" index="index">
      when dzid=#{reader.readerId} then #{reader.identityType}
    </foreach>
   </trim>
   <trim prefix="zjhma =case" suffix="end,">
    <foreach collection="list" item="reader" index="index">
      when dzid=#{reader.readerId} then #{reader.identityId}
    </foreach>
   </trim>
   <trim prefix="qyrqi =case" suffix="end,">
    <foreach collection="list" item="reader" index="index">
      when dzid=#{reader.readerId} then TO_TIMESTAMP(#{reader.enableDate}, 'YYYY-MM-DD HH24:MI:SS')
    </foreach>
   </trim>
   <trim prefix="jzrqi =case" suffix="end,">
    <foreach collection="list" item="reader" index="index">
      when dzid=#{reader.readerId} then TO_TIMESTAMP(#{reader.disableDate}, 'YYYY-MM-DD HH24:MI:SS')
    </foreach>
   </trim>
   <trim prefix="libid =case" suffix="end,">
    <foreach collection="list" item="reader" index="index">
      when dzid=#{reader.readerId} then #{reader.readerOfLibCode}
    </foreach>
   </trim>
   <trim prefix="xingbie =case" suffix="end,">
    <foreach collection="list" item="reader" index="index">
    	when dzid=#{reader.readerId} then 
		   <choose>
						<when test="reader.readerSex=='男'.toString()">
							true
						</when>
						<otherwise>
							false
						</otherwise>
					</choose>
    </foreach>
   </trim>
   <trim prefix="userid =case" suffix="end,">
    <foreach collection="list" item="reader" index="index">
      when dzid=#{reader.readerId} then #{reader.readerOperatorId}
    </foreach>
   </trim>
   <trim prefix="beizhu =case" suffix="end,">
    <foreach collection="list" item="reader" index="index">
      when dzid=#{reader.readerId} then #{reader.readerRemark}
    </foreach>
   </trim>
   <trim prefix="bzrqi =case" suffix="end,">
    <foreach collection="list" item="reader" index="index">
      when dzid=#{reader.readerId} then TO_TIMESTAMP(#{reader.enableDate}, 'YYYY-MM-DD HH24:MI:SS')
    </foreach>
   </trim>
   <trim prefix="optime =case" suffix="end,">
    <foreach collection="list" item="reader" index="index">
      when dzid=#{reader.readerId} then TO_TIMESTAMP(#{reader.enableDate}, 'YYYY-MM-DD HH24:MI:SS')
    </foreach>
   </trim>
  </trim>
  where dzid in
  <foreach collection="list" index="index" item="reader" separator="," open="(" close=")">
   #{reader.readerId}
  </foreach>
	</update>

<update id="batchUpdate" parameterType="java.util.List">
		<foreach collection="list" index="index" item="reader" separator=";">
			UPDATE lt_dzheinfo SET
			dzzhao = #{reader.readerBarcode},
			xming = #{reader.readerName},
			ztai = #{reader.readerState},
			mima = #{reader.readerPsw},
			dzlxid = #{reader.readerType},
			zjlx = #{reader.identityType},
			zjhma = #{reader.identityId},
			qyrqi = TO_TIMESTAMP(#{reader.enableDate}, 'YYYY-MM-DD HH24:MI:SS'),
			jzrqi = TO_TIMESTAMP(#{reader.disableDate}, 'YYYY-MM-DD HH24:MI:SS'),
			libid = #{reader.readerOfLibCode},
			xingbie = 
			<choose>
				<when test="reader.readerSex=='男'.toString()">
					true
				</when>
				<otherwise>
					false
				</otherwise>
			</choose>,
			userid = #{reader.readerOperatorId},
			beizhu = #{reader.readerRemark},
			bzrqi = TO_TIMESTAMP(#{reader.enableDate}, 'YYYY-MM-DD HH24:MI:SS'),
			optime = TO_TIMESTAMP(#{reader.enableDate}, 'YYYY-MM-DD HH24:MI:SS')
			<where>
				dzid = #{reader.readerId}
			</where>
		</foreach>
	</update>

/*
 刷新数据库视图.sql
*/
ALTER PROC P_RefreshView
as

DECLARE @vName sysname

DECLARE refresh_cursor CURSOR FOR
 SELECT Name from sysobjects WHERE xtype = 'V' order by crdate
FOR READ ONLY 
OPEN refresh_cursor

FETCH NEXT FROM refresh_cursor
INTO @vName
 WHILE @@FETCH_STATUS = 0
 BEGIN
--刷新指定视图的元数据。由于视图所依赖的基础对象的更改，视图的持久元数据会过期。
 exec sp_refreshview @vName
 PRINT '视图' + @vName + '已更新'
 FETCH NEXT FROM refresh_cursor
  INTO @vName
 END
CLOSE refresh_cursor
DEALLOCATE refresh_cursor

GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO