ALTER TABLE people ADD CONSTRAINT uk_people_email UNIQUE (email); SQL 错误 [23505]: ERROR: could not create unique index "uk_people_email" 详细:Key (email)=(lisi@test.com) is duplicated. 我们必须找出并删除 email 字段中的重复记录才能创建唯一约束。 使用聚合函数查找重复记录 基于单个字段的重复...
但创建unique constraints(或 index)时, 报出 DETAIL: Key (col)=(value) is duplicated ! 此时就需要先按照一定逻辑将重复数据仅保留1条, 将冗余的delete掉 分析问题 delete数据, 重点自然在于定位所有待delete的row, 或需要保留的row. 解决问题 以假设业务要求要保留如下test表中每组info重复值中id最小的row为...
Example of an error which indicates the reindex has failed due to duplicated records: ERROR: could not create unique index "uk_npm_asset_repository_path_ccnew" DETAIL: Key (repository_id, path)=(1, /ansi-colors) is duplicated.
ERROR: couldnotcreateuniqueindex "tab_index" DETAIL: Key (a)=(1)isduplicated. testdb=# \d tabTable"public.tab"Column|Type|Collation|Nullable|Default---+---+---+---+---a|integer|||Indexes: "tab_index"UNIQUE, btree (a) INVALID testdb=# REINDEXTABLEtab; ERROR: couldnotcreateuniqueind...
The A_INDEX_USER parameter holds the fill factor configuration of user-defined indexes that ArcGIS creates on the adds table. The user-defined indexes on the business tables are duplicated on the adds table. The A_INDEX_RASTER parameter specifies the fill factor for the index of the ...
* involving this rel */boolhas_eclass_joins;/* 是否存在等价类连接? T means joininfo is incomplete *//* used by partitionwise joins: */boolconsider_partitionwise_join;/* 分区? consider partitionwise * join paths? (if * partitioned rel) */Relids top_parent_relids;/* Relids of topmost...
(PARTITION BY x , y) > 1 THEN TRUE ELSE FALSE END AS is_duplicated FROM users 压缩运算符本身会产生布尔值,因此不需要大小写: SELECT *, ROW_NUMBER() OVER (PARTITION BY x , y) > 1 AS is_duplicated FROM users 但这样做的结果是,只在第一行之后的行上标记duplicate,这意味着第一行Carlo ...
is duplicated by ZBX-18797Zabbix server crashes during LLD discovery of hosts Closed Activity Assignee: Michael Veksler Reporter: Alexander Yagupov Team: Team C Votes: 0Vote for this issue Watchers: 8Start watching this issue Created: 2020 Nov 14 14:02 ...
11600 4500 | 16100 4800 | 25700 4800 | 25700 5000 | 30700 5200 | 41100 5200 | 41100 6000 | 47100 (10 rows) Here the sum is taken from the first (lowest) salary up through the current one, including any duplicates of the current one (notice the results for the duplicated salaries)....
* call. Anything that is needed in MIN/MAX-optimizable cases * will have to be duplicated in planagg.c.*/preprocess_minmax_aggregates(root, tlist); }/** Calculate pathkeys that represent grouping/ordering requirements. * Stash them in PlannerInfo so that query_planner can canonicalize ...