---------------------------------------------- 0.初始化
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create extension if not exists postgis cascade;
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create extension if not exists "uuid-ossp";
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create schema if not exists nsl;
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---------------------------------------------- 1.推演模拟
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-- drop table if exists nsl.simu;
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create table nsl.simu (
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id serial primary key,
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name varchar(200),
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service_name varchar(200),
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type smallint default 1,
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area_type smallint default 0,
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area_name varchar(200),
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data varchar(8000),
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status smallint default 0,
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result varchar(8000),
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create_time timestamp(6) without time zone default now(),
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create_user varchar(50),
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update_time timestamp(6) without time zone,
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update_user varchar(50),
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bak varchar(2000),
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geom geometry(MultiPolygon, 4490)
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);
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-- drop index nsl.idx_nsl_simu_geom;
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create index idx_nsl_simu_geom on nsl.simu using GIST (geom);
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comment on table nsl.simu is '推演模拟表';
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comment on column nsl.simu.id is '主键ID';
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comment on column nsl.simu.name is '名称';
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comment on column nsl.simu.service_name is '服务名称';
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comment on column nsl.simu.type is '类别：1-预测模拟，2-实时模拟，3-历史模拟';
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comment on column nsl.simu.area_type is '区域类别：0-自定义，1-行政区划，2-重点区域，3-重点沟';
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comment on column nsl.simu.area_name is '区域名称';
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comment on column nsl.simu.data is '数据(JSON)';
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comment on column nsl.simu.status is '状态：0-创建仿真，1-预处理，2-分析中，10-完成，20-出错';
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comment on column nsl.simu.result is '结果(JSON)';
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comment on column nsl.simu.create_time is '创建时间';
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comment on column nsl.simu.create_user is '创建人';
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comment on column nsl.simu.update_time is '更新时间';
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comment on column nsl.simu.update_user is '更新人';
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comment on column nsl.simu.bak is '备注';
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comment on column nsl.simu.geom is '空间位置';
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-- insert into nsl.simu (name, service_name, type, area_type, area_name, status, geom) values ('预测模拟-0416', '20250416100000', 1, 1, '大兴区', 0, ST_GeomFromText('MULTIPOLYGON(((116.666748 39.639859,116.659403 39.626287,116.665956 39.654698,116.666748 39.639859)))'));
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select id,name,service_name,type,area_type,area_name,status,result,create_time,update_time,bak,data,st_astext(geom) from nsl.simu where id > 0 order by id desc;
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-- update nsl.simu set status = 0, area_name = '房山区', data = '{"startTime":"2025-05-01 11:10:54","type":3,"total":50,"duration":6,"intensity":70,"history":"XX年50mm降雨"}' where id = 24;
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---------------------------------------------- 2.推演区域
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-- drop table if exists nsl.region;
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create table nsl.region (
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id serial primary key,
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name varchar(200),
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type smallint default 1,
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geom geometry(MultiPolygon, 4490)
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);
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-- drop index nsl.idx_nsl_region_geom;
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create index idx_nsl_region_geom on nsl.region using GIST (geom);
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comment on table nsl.region is '推演区域表';
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comment on column nsl.region.id is '主键ID';
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comment on column nsl.region.name is '名称';
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comment on column nsl.region.type is '类别：1-行政区划，2-重点区域，3-重点沟';
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comment on column nsl.region.geom is '空间位置';
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-- insert into nsl.region (name, type, geom) values ('大兴', 1, ST_GeomFromText('MULTIPOLYGON(((116.666748 39.639859,116.659403 39.626287,116.665956 39.654698,116.666748 39.639859)))'));
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select id, name, type, st_astext(geom) from nsl.region order by type, id;
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---------------------------------------------- 3.雨量计 *
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-- drop table if exists nsl.udometer;
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create table nsl.udometer (
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id serial primary key,
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name varchar(200),
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rainfall numeric(15, 3) default 0.0, -- 总位数/小数位数
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geom geometry(Point, 4490)
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);
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-- drop index nsl.idx_nsl_udometer_geom;
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create index idx_nsl_udometer_geom on nsl.udometer using GIST (geom);
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comment on table nsl.udometer is '雨量计表';
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comment on column nsl.udometer.id is '主键ID';
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comment on column nsl.udometer.name is '名称';
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comment on column nsl.udometer.rainfall is '降雨量(米)';
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comment on column nsl.udometer.geom is '空间位置';
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select * from nsl.udometer;
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---------------------------------------------- 将 MULTIPOLYGON 转换为 POLYGON
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select st_astext(ST_GeometryN(geom, generate_series(1, ST_NumGeometries(geom)))) as geom from nsl.region limit 1;
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