08 2022 档案

摘要:SELECT st_x(cast(point(100, 200) as geometry)) SELECT st_y(cast(point(100, 200) as geometry)) 搜索 复制 阅读全文
posted @ 2022-08-29 14:17 懂得归零 阅读(130) 评论(0) 推荐(0) 编辑
摘要:-- 截取指定字符最后出现的前半部分select reverse(substr(reverse('/C107341723B_145404/01/0_20220802_145505552.jpg'),position('/' in reverse('/C107341723B_145404/01/0_2 阅读全文
posted @ 2022-08-24 09:33 懂得归零 阅读(2960) 评论(0) 推荐(0) 编辑
摘要:1、建表语句 DROP TABLE IF EXISTS "public"."json_param";CREATE TABLE "public"."json_param" ( "id" int4 NOT NULL, "json" text COLLATE "pg_catalog"."default") 阅读全文
posted @ 2022-08-24 09:05 懂得归零 阅读(546) 评论(0) 推荐(0) 编辑
摘要:UPDATE road_jcpd_record a set road_lst_id = b.id from road_lst b where b.road_code = a.road_code and a.road_code = '' 搜索 复制 阅读全文
posted @ 2022-08-19 08:36 懂得归零 阅读(71) 评论(0) 推荐(0) 编辑
摘要:CREATE OR REPLACE FUNCTION "public"."generate_road_list_id_to_jcpddas"("road_code_param" varchar) RETURNS "pg_catalog"."int4" AS $BODY$declare returnv 阅读全文
posted @ 2022-08-18 18:49 懂得归零 阅读(120) 评论(0) 推荐(0) 编辑
摘要:SELECT u.gender , count(*) FILTER (WHERE u.age > 20 and u.name like '%张') AS playedFROM users uGROUP BY u.gender; 搜索 复制 阅读全文
posted @ 2022-08-10 18:57 懂得归零 阅读(1036) 评论(0) 推荐(0) 编辑
摘要:SELECT * from ( SELECT ROW_NUMBER() OVER(PARTITION by wj ORDER BY px desc)idx,px,wj from table ) ord where ord.idx = 1 wj :关联外键 px :排序字段 ROW_NUMBER:该函 阅读全文
posted @ 2022-08-10 11:35 懂得归零 阅读(160) 评论(0) 推荐(0) 编辑

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