st_length( st_geographyfromtext( st_astext( st_intersection( ST_MakeValid(a.geom), ST_MakeValid(b.geom) ) ) ) ) AS acrossLength;
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---------------------------------------------------------------------------------------------- -1.SQL测试
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select * from lf.sys_attach where tab='lf.sys_style';
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select * from lf.sys_attach order by tab,tab_guid;
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select * from bs.s_explorationpoint where upper(exppointid) like '%XK0%';
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select * from bs.s_survey_information; --勘察信息表,汉江穿越
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alter table bs.s_survey_information add column workname varchar(50);
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update bs.s_survey_information set workname='汉江穿越' where gid=1;
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select * from bs.s_surveyworksite; --勘察工点
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select * from lf.sys_download order by id desc;
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select * from lf.sys_layer where url is not null and serve_type='WMS' and data_type in ('工程项目','工程项目-地灾类','工程项目-测量类','工程项目-洞库类','工程项目-勘察类') order by id;
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select * from lf.sys_layer order by id desc limit 20;
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insert into lf.sys_layer (pid,cn_name,en_name,url,type,level,order_num,is_show,create_user,serve_type,data_type,elev) values
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(423, '地面层', 'fushun_site', 'tileset/o/39HBFG/tileset.json', 2, 3, 5, 0, 1, 'Tileset', '工程测量模型', 1200);
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update lf.sys_layer set elev=118,cn_name='地面层' where id=427;
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-- delete from lf.sys_layer where id=427;
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-- 28.178
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select * from bd.dlg_25w_boul where ST_Intersects(geom, ST_Buffer(ST_GeomFromText('POINT (101.9281 36.58675)', 4490), 10, 'endcap=round join=round')) limit 20;
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select * from bd.dlg_25w_boul where ST_DWithin(geom, ST_GeomFromText('POINT (101.9281 36.58675)', 4490), 10) = true limit 20;
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---------------------------------------------------------------------------------------------- 00.SQL查询
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select id,cn_name,en_name,url,serve_type,data_type from lf.sys_layer where url is not null and
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serve_type='WMS' and data_type in ('工程项目','工程项目-地灾类','工程项目-测量类','工程项目-洞库类','工程项目-勘察类') order by id;
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select modular1,modular2 from lf.sys_operate where modular1 not in ('综合展示','数据质检','数据管理','数据交换','服务管理','系统对接','运维管理');
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delete from lf.sys_operate where modular1 not in ('综合展示','数据质检','数据管理','数据交换','服务管理','系统对接','运维管理');
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select id,cn_name,elev from lf.sys_layer where cn_name in ('火车站','地下管线','中卫站','庆阳站','地层示例');
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select * from lf.sys_user where uid='FME';
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select * from lf.sys_token where token='c36e4f94-dfde-401e-9967-2c4a449f1300';
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update lf.sys_token set type=1,create_user=61,duration=5256000,create_time='2023-03-03 19:00:00',expire='2033-03-03 19:00:00'
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where token='c36e4f94-dfde-401e-9967-2c4a449f1300';
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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 pipename is not null and not ST_IsEmpty(geom)
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order by pipename, segname;
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---------------------------------------------------------------------------------------------- 01.创建空间扩展
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create extension postgis;
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create extension pgrouting;
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create extension postgis_raster;
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create extension postgis_topology;
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create extension fuzzystrmatch;
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create extension postgis_tiger_geocoder;
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create extension address_standardizer;
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create extension "uuid-ossp";
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select uuid_generate_v4(); -- uuid，36位
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select split_part('12.34.56.78', '.', 1); -- 切割
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select substr('FY2021', 3, 2); -- 提取
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select substr('FY2021', 3); -- 提取
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select substring('FY2021' FROM 3 for 2); -- 提取
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select position('23' in 'w123456'); -- 位置
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select md5(''); -- MD5
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select concat('aa', 'bb'); -- 连接
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select concat_ws('_', 'a', 'b'); -- 连接
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select chr(97); -- ACSII值转字符
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select ascii('x'); -- 字符转ACSII值
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select to_hex(31); -- 转16进制
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select length('aabbcc'); -- 字符长度
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select reverse('aabbcc'); -- 反转
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select initcap('aabbcc'); -- 首字母大写
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select replace('aabbcc', 'bc', 'xy'); -- 替换
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select left('abcde', 2); -- 左截取
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select right('abcde', 2); -- 右截取
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---------------------------------------------------------------------------------------------- 02.查询连接数
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show max_connections;
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select count(1) from pg_stat_activity;
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-- 查询表架构和表名
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select oid,table_catalog,table_schema,table_name
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from information_schema.tables t1, pg_class t2
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where table_schema = 'bd' and t1."table_name" = t2.relname
|
order by table_catalog,table_schema,table_name;
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-- 查询字段信息
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select e.table_catalog, e.table_schema, c.relname "tab", cast(obj_description(c.oid) as varchar) "desc", a.attnum "num", a.attname "col",
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d.typname "type", concat_ws('', d.typname, SUBSTRING(format_type(a.atttypid, a.atttypmod) from '(.*)')) "type2", b.description "bak"
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from pg_attribute a left join pg_description b on b.objoid = a.attrelid and b.objsubid = a.attnum
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left join pg_class c on a.attrelid = c.oid
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left join pg_type d on a.atttypid = d.oid
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left join information_schema.tables e on e.table_name = c.relname
|
where a.attnum >= 0 and reltype > 0 and a.attname = 'updateuser' and d.typname != 'int4' --and relnamespace in (29257,20582)
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order by c.relname desc, a.attnum asc;
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select pg_constraint.conname as pk_name,pg_attribute.attname as colname,pg_type.typname as typename from pg_constraint inner join pg_class
|
on pg_constraint.conrelid = pg_class.oid inner join pg_attribute on pg_attribute.attrelid = pg_class.oid and pg_attribute.attnum = pg_constraint.conkey[1]
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inner join pg_type on pg_type.oid = pg_attribute.atttypid where pg_class.relname = 'sys_user' and pg_constraint.contype='p';
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---------------------------------------------------------------------------------------------- 03.查询
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select depid from bd.dlg_25w_boul where depid > 0 and depid != ALL(fn_rec_array(38, 'dep'))
|
and ST_Intersects(geom, ST_PolygonFromText('POLYGON ((115.94927385452 32.3754479115071 0,121.989371092554 32.2766788010181 0,121.850621222894 29.6874200067864 0,115.9727267226 29.7835368627922 0,115.94927385452 32.3754479115071 0))', 4490))
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group by depid;
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select * from lf.sys_dir where id in (select min(id) from lf.sys_dir where name in ('测量（ESV）','勘察（EGE）','地灾（EGD）','洞库（EGD）') group by name);
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select * from lf.sys_dir where pid = 1;
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select * from lf.sys_dir order by id;
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select * from lf.sys_token where create_time >= '2022-09-29' and create_time <= '2022-09-30';
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select * from lf.sys_token where to_char(create_time,'yyyy-MM-dd') = '2022-09-30';
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select fn_rec_query(depid,'dep') depName,fn_rec_query(dirid,'dir') dirName,fn_ver(verid) verName,fn_uname(createuser) createName,fn_uname(updateuser) updateName from bd.dlg_agnp limit 5;
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select ns,tab from lf.sys_dict a where not exists (select id from lf.sys_dict b where b.ns=a.ns and b.tab=a.tab and b.field='gid') group by ns,tab; -- 查询字典中不存在gid的表
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----------------------------------------------------------------------------------------------
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