SQL查询常见错误排查

Expression#2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 使用GROUP BY分组查询时,GROUP BY中未包含聚合函数。在SQL语句中添加聚合条件。更多信息,请参见 查询数据。Offset+limit exceeds the quota!...

MySQL 8.0 Server层最新架构详解

table_partitions:Partition pruning.optimize_aggregated_query:COUNT(*),MIN(),MAX()constant substitution in case of implicit grouping.substitute_gc:ORDER BY optimization,substitute all expressions in the WHERE condition and ...

不兼容SQL重写

报错信息:FAILED:ODPS-0130071:[1,50]Semantic analysis exception-expect a BOOLEAN expression 正确改法:select id,count(*)from table_name group by id having id<>0;post.select.ambiguous 在order by、cluster by、distribute by、...

ODPS-0130071

FAILED:ODPS-0130071:[1,19]Semantic analysis exception-column reference t.c should appear in GROUP BY key-正确,使用聚合函数any_value来计算列c的聚合值 odps>select a,sum(b),any_value(c)from values(1L,2L,3L)as t(a,b,c)group ...

错误码表(2.0版)

18018 Exceed the tables limitation(xxx)of table group‘xxx’目标数据库表组下的表数量已经到上限,不可继续建表,请联系技术支持。18019 NA NA 18020 Duplicated column definition DDL中有重复列定义,请修改。18021 There are xxx ...

SQL语法

ALL }[IN DATABASE database_name]RESET ALL ALTER ROLE name RESOURCE QUEUE {queue_name|NONE} ALTER ROLE name RESOURCE GROUP {group_name|NONE} 更多信息,请参见 ALTER ROLE。ALTER SCHEMA 改变模式的定义。ALTER SCHEMA name RENAME...

关键缺陷通知

P1 Query的过滤条件(where)中包含Clustering Key,且使用 Order By 对Clustering Key排序,如 where a>=xxx limit x order by a,a 列是Clustering Key,Query计算结果不正确。示例SQL:BEGIN;CREATE TABLE test3(a int NOT NULL);CALL ...

图解MySQL 8.0优化器查询解析篇

after the query block is fully resolved.setup_ftfuncs:Setup full-text functions after resolving HAVING.resolve_rollup_wfs:Replace group by field references inside window functions with references in the presence of ROLLUP....

DML

语法 select_statement:=SELECT[JSON|HOTDATA](select_clause|'*')FROM table_name[WHERE where_clause][GROUP BY group_by_clause][ORDER BY ordering_clause][PER PARTITION LIMIT(integer|bind_marker)][LIMIT(integer|bind_marker)]...

SELECT语句

标准语法:SELECT语法的总体结构:[WITH with_subquery_table_name AS(query)]SELECT[DISTINCT]select_expr[,select_expr.][FROM table_reference[,.]][WHERE filter_condition][GROUP BY { expr|ROLLUP(expr_list)|CUBE(expr_list)|...

Queries语句

{ ROW|ROWS } ONLY]withItem:name['(' column[,column]*')']AS '(' query ')' orderItem:expression[ASC|DESC]select:SELECT[ALL|DISTINCT]{*|projectItem[,projectItem]*} FROM tableExpression[WHERE booleanExpression][GROUP BY { ...

大版本升级最佳实践

ERROR 1055(42000):Expression#3 of SELECT list is not in GROUP BY clause and contains explicit_defaults_for_timestamp 从MySQL 8.0开始,MySQL官方将 explicit_defaults_for_timestamp 的默认值从 OFF 修改成 ON。目前 PolarDB ...

InfluxQL参考

示例:kill query with qid of 36 on the local host KILL QUERY 36 SELECT select_stmt="SELECT"fields from_clause[into_clause][where_clause][group_by_clause][order_by_clause][limit_clause][offset_clause][slimit_clause][soffset...

大版本升级最佳实践

ERROR 1055(42000):Expression#3 of SELECT list is not in GROUP BY clause and contains 5.6版本INFORMATION_SCHEMA系统和状态变量信息的表 MySQL 5.6和 PolarDB MySQL版 5.6版本 INFORMATION_SCHEMA 中包含系统和状态变量信息的表在 8.0...

优化内部表的性能

选择Group By频繁的列作为分布列。选择数据分布均匀离散的列作为分布列。更多关于Distribution Key的原理和使用详情请参见 分布键Distribution Key。设置Distribution Key场景示例 例如设置Distribution Key,表tmp和tmp1做Join,通过执行...

图解MySQL 8.0优化器查询转换篇

Query OK,0 rows affected(0.00 sec)user1:test>EXPLAIN SELECT b,MAX(a)AS ma FROM t4 GROUP BY b HAVING ma<(SELECT MAX(t2.a)FROM t2 WHERE t2.b=t4.b);id|select_type|table|partitions|type|possible_keys|key|key_len|ref|rows|...

alicloud_log_alert

Log alert is a unit of log service,which is used to monitor and alert the user's logstore status information.Log Service enables you to configure alerts based on the charts in a dashboard to monitor the service status in ...

Hologres SQL语句的常见问题

报错:Group by key is type of imprecise not supported 问题原因:Group by的字段类型是非精确类型,导致报错。解决方法:Group by中避免非精确数据类型,如float等,建议使用精确的数据类型。报错:ERROR:xxx for fe,should not be ...

GetLogs

调用GetLogs接口查询指定...type=log&from=1627268185&to=1627269085&query=status:401|SELECT remote_addr,COUNT(*)as pv GROUP by remote_addr ORDER by pv desc limit 5&topic=topic&line=100&offset=0&reverse=false&powerSql=false ...

alicloud_images

Available in 1.145.0+)The name of the image.snapshot_id-(Optional,Available in 1.95.0+)The ID of the snapshot used to create the custom image.resource_group_id-(Optional,Available in 1.95.0+)The ID of the resource group to...

逻辑数仓SQL语法介绍

聚合函数 聚合函数在GROUP BY语句中使用。函数 返回值类型 说明 count(*)bigint 返回行数 avg(x)double 返回均值 sum(x)bigint 返回总和 max(x)bigint 返回最大值 min(x)bigint 返回最小值 count(x)bigint 返回非空值的个数 bool_and...

查询语法

标准语法:SELECT语法的总体结构:[WITH with_subquery_table_name AS(query)]SELECT[DISTINCT]select_expr[,select_expr.][FROM table_reference[,.]][WHERE filter_condition][GROUP BY { expr|ROLLUP(expr_list)|CUBE(expr_list)|...

错误代码

示例:ERR-CODE:[TDDL-4201][ERR_GROUP_NO_ATOM_AVALILABLE]All weights of DBs in Group '*' is 0.Weights is:*.当分库包含的RDS MySQL实例全都不可用,或者处于 fail-fast 状态时,PolarDB-X 1.0 会提示TDDL-4201错误。通常该错误是由于...

SELECT

query[,.]]SELECT[ALL|DISTINCT]select_expr[,.][FROM from_item[,.]][WHERE condition][GROUP BY[ALL|DISTINCT]grouping_element[,.]][HAVING condition][{ UNION|INTERSECT|EXCEPT }[ALL|DISTINCT]select][ORDER BY expression[ASC|DESC]...

Oracle应用迁移至云原生数据仓库 AnalyticDB ...

AnalyticDB PostgreSQL 对Oracle语法有着较好的兼容,本文介绍如何将Oracle应用迁移到 AnalyticDB PostgreSQL。...SELECT*FROM t1 ORDER BY nlssort(name,'en_US.UTF-8');返回信息如下:name-anne Anne bob Bob(4 row)SELECT*...

SQL语法指南

基本语法[WITH with_subquery[,.]]SELECT[[ALL|DISTINCT]|select_expr[AS output_name][,.]][FROM table_reference[,.]][WHERE condition][GROUP BY expression[,.]][HAVING condition][{ UNION|ALL|INTERSECT|EXCEPT|MINUS } query][ORDER...

错误码

示例:ERR-CODE:[PXC-4200][ERR_GROUP_NOT_AVALILABLE]The TDDL Group*is running in fail-fast status,caused by this SQL:*which threw a fatal exception as*.说明:当分库包含的数据节点出现访问异常,并且分库下没有其他可用数据节点...

DQL操作常见问题

在执行MaxCompute SQL过程中,报错Expression not in GROUP BY key,如何解决?对表A执行GROUP BY生成表B,表B比表A的行数少,但表B的物理存储量是表A的10倍,是什么原因造成的?使用GROUP BY分组查询100亿条数据会不会影响性能?GROUP BY...

查询与分析日志的常见报错

please add the column in the index attribute 报错原因 在SQL语句中,如果您使用了GROUP BY子句,则在执行SELECT语句时,只能选择GROUP BY的列或者对任意列进行聚合计算,不允许选择非GROUP BY的列。例如*|SELECT status,request_time,...

EXPLAIN

生成逻辑计划 ​ EXPLAIN WITHOUT IMPLEMENTATION FOR SELECT POSITION('9378' IN p1)AS lp,COUNT(c1)FROM(SELECT*FROM test WHERE p1 like '3_%')GROUP BY lp ORDER BY lp;生成类型计划 ​​ EXPLAIN WITH TYPE FOR SELECT POSITION('9378...

使用限制说明

支持的条件表达式 OR或者AND LIKE或者NOT LIKE IS NULL或者NOT NULL BETWEEN XX AND XX 支持数量符号:=、>、<、>=、、<>IN或者NOT IN 支持GROUP BY分组 SELECT c1,Sum(c2)FROM dt WHERE p2 IN('a','b')GROUP BY c1;支持ORDER BY排序 ...

使用限制

如:WHERE t1.a in(SELECT t2.a FROM t2 INNER JOIN t3 on t2.a=t3.a AND t2.b>t1.b);子查询中含有LIMIT的 SELECT 语句。子查询中含有window function,且关联项在HAVING条件中的 SELECT 语句。子查询中含有UNION,且关联项出现在UNION的...

测试方案介绍

tpch_1sf=\dt List of relations Schema|Name|Type|Owner-+-+-+-public|customer|table|tpch_1sf_developer public|lineitem|table|tpch_1sf_developer public|nation|table|tpch_1sf_developer public|orders|table|tpch_1sf_developer ...

写入与查询

为什么使用查询语句SELECT*FROM TABLE GROUP BY KEY后,报错“Column 'XXX' not in GROUP BY clause”?查询结果以JSON格式返回时,IN操作符指定值的个数有限制吗?是否支持OSS上经过GZIP压缩后的CSV文件做为外表数据源?是否支持INSERT ON...

ALIYUN:ECS:AutoProvisioningGroup

Type:String Description:The target capacity of pay-as-you-go instances in the auto provisioning group.Default:'1' TotalTargetCapacity:Type:String Description:|-The total target capacity of the auto provisioning group.The ...

SELECT

语法[WITH[RECURSIVE]with_query[,.]]SELECT[ALL|DISTINCT[ON(expression[,.])]][*|expression[[AS]output_name][,.]][FROM from_item[,.]][WHERE condition][GROUP BY grouping_element[,.]][HAVING condition][WINDOW window_name AS...

MATERIALIZED VIEW

day是分区列,要出现在视图的group by的条件中 CREATE MATERIALIZED VIEW mv_sales_p AS SELECT day,hour,avg(amount)AS amount_avg FROM base_sales_p GROUP BY day,hour;COMMIT;create table base_sales_20220101 partition of base_...

聚集函数

No 分组操作 GROUPING(group_by_expression(s))→integer 返回一个位掩码以指示哪个 GROUP BY 表达式没有包含在当前分组集中。比特位被分配给最右边的参数对应于最低有效位;如果对应的表达式包含在生成当前结果行的分组集的分组条件中,则...

PIVOT、UNPIVOT

.,agg1 AS label2_a filter(where axis1=v11 and.and axisN=v1N),agg2 AS label2_b filter(where axis1=v21 and.and axisN=v2N),.,from xxxxxx group by k1,.kN 其中 from 语句内的表是PIVOT上游的结果,k1,.kN 是所有未在 agg1,agg2,....

PIVOT、UNPIVOT

.,agg1 AS label2_a filter(where axis1=v11 and.and axisN=v1N),agg2 AS label2_b filter(where axis1=v21 and.and axisN=v2N),.,from xxxxxx group by k1,.kN 其中 from 语句内的表是PIVOT上游的结果,k1,.kN 是所有未在 agg1,agg2,....
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