106 lines
5.1 KiB
SQL
106 lines
5.1 KiB
SQL
-- =============================================================================
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-- CellData 数据处理脚本(在 celldata 库执行)
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-- 1) 规范化 cellinfo.带宽
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-- 2) 重建频段特征库 sector_band_ref(频点/PLMN -> 制式/频段 对应表)
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-- 3) 由 cellinfo 逆推 sector(扇区/物理站/制式/频段/带宽/站型/网络)
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-- —— 不清空 sector,仅补充缺失 CGI,已有行(含人工修正)保留不覆盖
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-- 逆推规则与准确率见 docs/sector_inference_research.md
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-- =============================================================================
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-- 1. 带宽规范化:空值补 0M,统一大写并以 M 结尾(如 20M)
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UPDATE cellinfo SET `带宽` = IF(`带宽` IS NULL OR `带宽` = '', '0M', CONCAT(REPLACE(UPPER(`带宽`),'M',''), 'M'));
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-- 2. 频段特征库:网络 + 频点区间(+PLMN) -> 制式/频段
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-- 700M 与 广电 同频点 763.25,由 PLMN 区分(460-00=移动700M,460-15=中国广电)
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-- D频 与 3DMM 同频点同 PLMN 同带宽,cellinfo 无法区分,统一判 D频(3DMM 为天线属性)
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DROP TABLE IF EXISTS sector_band_ref;
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CREATE TABLE sector_band_ref (
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`网络` varchar(8),
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f_lo decimal(10,2),
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f_hi decimal(10,2),
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plmn varchar(16) NULL,
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`制式` varchar(20),
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`频段` varchar(20)
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);
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INSERT INTO sector_band_ref (`网络`,f_lo,f_hi,plmn,`制式`,`频段`) VALUES
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('5G',4000,99999,NULL,'4.9G','4.9G'),
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('5G',700,800,'460-00','700M','700M'),
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('5G',700,800,'460-15','广电','广电'),
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('5G',2000,3000,NULL,'2.6G','2.6G'),
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('4G',900,1000,NULL,'FDD','FDD900'),
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('4G',1000,1880,NULL,'FDD','FDD1800'),
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('4G',1880,1920,NULL,'TDD','F频'),
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('4G',1920,2110,NULL,'TDD','A频'),
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('4G',2300,2400,NULL,'TDD','E频'),
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('4G',2400,2700,NULL,'TDD','D频');
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-- 3. 逆推暂存表:预处理小区名称(全角括号->半角、【】->()、去空格/制表符)
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DROP TABLE IF EXISTS _sector_infer;
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CREATE TABLE _sector_infer AS
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SELECT
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c.CGI, c.`网络`, c.`带宽`, c.PLMN, c.`频点`, c.`制式` AS ci_zs,
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REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(
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c.`小区名称`,' ',''),CHAR(9),''),' ',''),'(','('),')',')'),'【','('),'】',')') AS name1
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FROM cellinfo c;
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ALTER TABLE _sector_infer
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ADD COLUMN `制式` varchar(20),
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ADD COLUMN `频段` varchar(20),
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ADD COLUMN `站型` varchar(10),
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ADD COLUMN numstr varchar(20),
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ADD COLUMN base varchar(220),
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ADD COLUMN `物理站` varchar(200),
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ADD COLUMN `扇区` varchar(210);
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-- 3.1 设备码([频率前缀]-Z[xx]-[扇区号])剥离得到 base;尾部数字串;站型判定
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-- 站型:设备码尾字母 W=室分;名称含"微小"=微站;其余=宏站
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UPDATE _sector_infer SET
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base = REGEXP_REPLACE(name1,'[A-Z0-9]+-Z[A-Z0-9]{2}-[0-9]+$',''),
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numstr = REGEXP_SUBSTR(name1,'[0-9]+$'),
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`站型` = CASE
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WHEN name1 REGEXP 'Z[A-Z]W-[0-9]+$' THEN '室分'
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WHEN name1 LIKE '%微小%' THEN '微站'
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ELSE '宏站' END;
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-- 3.2 制式/频段:按特征库匹配;未命中回落 cellinfo 原制式
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UPDATE _sector_infer t
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JOIN sector_band_ref r
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ON r.`网络` = t.`网络`
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AND CAST(NULLIF(t.`频点`,'') AS DECIMAL(10,2)) >= r.f_lo
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AND CAST(NULLIF(t.`频点`,'') AS DECIMAL(10,2)) < r.f_hi
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AND (r.plmn IS NULL OR r.plmn = t.PLMN)
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SET t.`制式` = r.`制式`, t.`频段` = r.`频段`;
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UPDATE _sector_infer SET `制式` = ci_zs, `频段` = ci_zs WHERE `制式` IS NULL;
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-- 3.3 物理站(非 700M/广电):去码后删全部括号注记,保留(微小X)并回贴;
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-- 再去掉不闭合的悬空开括号与孤立右括号
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UPDATE _sector_infer SET `物理站` = CONCAT(
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TRIM(REGEXP_REPLACE(REGEXP_REPLACE(REGEXP_REPLACE(REGEXP_REPLACE(REGEXP_REPLACE(REGEXP_REPLACE(
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base,'\\([^()]*\\)',''),'\\([^()]*\\)',''),'\\([^()]*\\)',''),'\\([^()]*$',''),'[)]+$',''),'^[)]+','')),
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IFNULL(REGEXP_SUBSTR(name1,'[(]微小[A-Z]?[)]'),''))
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WHERE `制式` IS NULL OR `制式` NOT IN ('700M','广电');
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-- 3.4 物理站(700M/广电):取以"(江门"开头的括号内容为真实站址;
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-- 无则取外层(去 CBN- 前缀与注记)。括号内容以"共"开头属共建标注,归外层
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UPDATE _sector_infer SET `物理站` =
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CASE WHEN REGEXP_SUBSTR(base,'\\(江门[^()]*') <> ''
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THEN TRIM(SUBSTRING(REGEXP_SUBSTR(base,'\\(江门[^()]*'),2))
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ELSE TRIM(REGEXP_REPLACE(REGEXP_REPLACE(base,'\\(.*$',''),'^CBN-?','')) END
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WHERE `制式` IN ('700M','广电');
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-- 3.5 扇区 = 物理站 + 扇区号(700M/广电取末位数字;其余取数字串 % 100)
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UPDATE _sector_infer SET `扇区` = CONCAT(`物理站`,
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CASE WHEN numstr IS NULL OR numstr = '' THEN ''
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WHEN `制式` IN ('700M','广电') THEN RIGHT(numstr,1)
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ELSE CAST(CAST(numstr AS UNSIGNED) % 100 AS CHAR) END);
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-- 4. 补缺写回 sector:仅插入 sector 中尚不存在的 CGI
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-- 已存在的 CGI 一律保留,避免人工修正(如 3DMM、人工纠正的物理站/带宽)被覆盖
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INSERT INTO sector (CGI,`扇区`,`物理站`,`制式`,`频段`,`带宽`,`站型`,`网络`)
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SELECT i.CGI, i.`扇区`, i.`物理站`, i.`制式`, i.`频段`, i.`带宽`, i.`站型`, i.`网络`
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FROM _sector_infer i
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LEFT JOIN sector s ON s.CGI = i.CGI
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WHERE s.CGI IS NULL;
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DROP TABLE _sector_infer;
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