<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.lf.server.mapper.show.PipelineMapper">
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<select id="selectPipelines" resultType="com.lf.server.entity.show.PipelineEntity">
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select gid, pipename, segname, ST_AsText(ST_LineMerge(geom)) "wkt"
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from bs.m_pipesegment
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<where>
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pipename is not null and not ST_IsEmpty(geom)
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<if test="name != null">
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and (upper(pipename) like #{name} or upper(segname) like #{name})
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</if>
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</where>
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order by pipename, segname;
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</select>
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<select id="selectSegNames" resultType="com.lf.server.entity.show.PipelineEntity">
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select gid, pipename, segname from bs.m_pipesegment order by pipename, segname;
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</select>
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<select id="selectPipeAnalysis" resultType="com.lf.server.entity.show.PipelineEntity">
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select row_number() over() as gid, a.name as acrossName, b.segname as segName, b.remarks, b.pipename as pipeName,
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cast( st_length( st_geographyfromtext( st_astext( st_intersection(ST_MakeValid(a.geom), ST_MakeValid(b.geom) ) ) ) ) as decimal(20, 2) ) AS acrossLength,
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st_astext( st_intersection( ST_MakeValid(a.geom), ST_MakeValid(b.geom) ) ) as wkt
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from ${tab} as a, (select segname, remarks, pipename, geom from bs.m_pipesegment where gid = #{gid} ) as b
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where ST_Intersects(a.geom, b.geom)
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</select>
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</mapper>
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