51 lines
2.9 KiB
SQL
51 lines
2.9 KiB
SQL
-- td_building_cell_m 楼宇小区桥接月表 DDL (标准契约版)
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-- 必须与 POC-TSG...DDL(1).sql L1148-1193 100% 对齐
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CREATE TABLE IF NOT EXISTS dmk.td_building_cell_m (
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year_month varchar(7) NOT NULL,
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data_type integer NOT NULL,
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building_id varchar(64) NOT NULL,
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cellkey varchar(64) NOT NULL,
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cell_name varchar(128),
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operator_name varchar(32) NOT NULL,
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network_class varchar(32) NOT NULL,
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freq varchar(32) NOT NULL DEFAULT 'all',
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indoor_flag smallint NOT NULL DEFAULT -1,
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provincecode integer,
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citycode integer,
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districtcode integer,
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cell_lon numeric(10, 6),
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cell_lat numeric(10, 6),
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cell_wkt text,
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cell_geom geometry(Point, 4326) GENERATED ALWAYS AS (
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CASE WHEN cell_wkt IS NOT NULL THEN ST_GeomFromText(cell_wkt, 4326)::geometry(Point, 4326)
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WHEN cell_lon IS NOT NULL AND cell_lat IS NOT NULL THEN ST_SetSRID(ST_MakePoint(cell_lon, cell_lat), 4326)::geometry(Point, 4326)
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ELSE NULL
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END
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) STORED,
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updated_time timestamp without time zone NOT NULL DEFAULT now(),
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PRIMARY KEY (year_month, data_type, building_id, cellkey, operator_name, network_class, freq, indoor_flag)
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);
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COMMENT ON TABLE dmk.td_building_cell_m IS '楼宇小区桥接月表，支撑 /api/buildings/cells 与楼宇-小区关联。';
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COMMENT ON COLUMN dmk.td_building_cell_m.year_month IS '账期，格式 YYYY-MM';
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COMMENT ON COLUMN dmk.td_building_cell_m.data_type IS '数据来源类型';
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COMMENT ON COLUMN dmk.td_building_cell_m.building_id IS '楼宇 ID';
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COMMENT ON COLUMN dmk.td_building_cell_m.cellkey IS '小区唯一键 cellkey';
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COMMENT ON COLUMN dmk.td_building_cell_m.cell_name IS '小区名称（冗余）';
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COMMENT ON COLUMN dmk.td_building_cell_m.operator_name IS '运营商名称';
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COMMENT ON COLUMN dmk.td_building_cell_m.network_class IS '网络制式';
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COMMENT ON COLUMN dmk.td_building_cell_m.freq IS '频段';
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COMMENT ON COLUMN dmk.td_building_cell_m.indoor_flag IS '室内外标识';
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COMMENT ON COLUMN dmk.td_building_cell_m.provincecode IS '省编码';
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COMMENT ON COLUMN dmk.td_building_cell_m.citycode IS '地市编码';
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COMMENT ON COLUMN dmk.td_building_cell_m.districtcode IS '区县编码';
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COMMENT ON COLUMN dmk.td_building_cell_m.cell_lon IS '小区经度';
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COMMENT ON COLUMN dmk.td_building_cell_m.cell_lat IS '小区纬度';
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COMMENT ON COLUMN dmk.td_building_cell_m.cell_wkt IS '小区点 WKT';
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COMMENT ON COLUMN dmk.td_building_cell_m.cell_geom IS '小区点几何列（由 cell_wkt 或经纬度生成）';
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COMMENT ON COLUMN dmk.td_building_cell_m.updated_time IS '记录更新时间';
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CREATE INDEX IF NOT EXISTS idx_td_building_cell_query ON dmk.td_building_cell_m(year_month, data_type, provincecode, citycode, districtcode, operator_name, network_class, freq, indoor_flag);
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CREATE INDEX IF NOT EXISTS idx_td_building_cell_geom ON dmk.td_building_cell_m USING gist(cell_geom) WHERE cell_geom IS NOT NULL;
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