查看PDF 出现这个提示,表示进行join操作的两个表中包含相同的字段,但是在执行命令时,没有指定该字段的归属。 例如:在表tb1和tb2中都包含字段“id”。 错误的命令: select id from tb1 join tb2; 正确的命令: select tb1.id from tb1 join tb2;
在你不注意的时候,去用相关列做其他操作的时候,就会出现问题! 假如这两个字段同时存在,那么就会报错,如下:org.apache.spark.sql.AnalysisException: Reference 'key2' is ambiguous 实例 1.创建两个df演示实例 val df = sc.parallelize(Array( ("yuwen", "zhangsan", 80), ("yuwen", "lisi", 90), ("shu...
在你不注意的时候,去用相关列做其他操作的时候,就会出现问题! 假如这两个字段同时存在,那么就会报错,如下:org.apache.spark.sql.AnalysisException: Reference 'key2' is ambiguous 实例 1.创建两个df演示实例 val df = sc.parallelize(Array( ("yuwen", "zhangsan", 80), ("yuwen", "lisi", 90), ("shu...
I'll look into this tomorrow but since the update to 2.2.0 I've noticed this issue on sentry; ProgrammingError at /app/model/1/ column reference "id" is ambiguous LINE 1: SELECT (CASE WHEN id='1' THEN 0 END) AS "ordering", "... It compla...
报错:column reference "xxx" is ambiguous 问题原因:一般是SQL中存在同名但实际上是不同列的情况时,会出现报错,例如SELECT id FROM t1 INNER JOIN t2 ON t1.id=t2.id中,SELECT后的id字段没有指明属于t1还是t2。 解决方法:重新修改SQL语法。 ERRCODE_DUPLICATE_COLUMN ...
SQL Error [42702]: ERROR: column reference "id" is ambiguous Position : 323 Script-8.sql /Prod-rw/Scripts line 92 Database Script Problem But if you have a look at the resquest generated and executed UPDATE public.arrivage SET quantite_agreee_unite_achat=1000,quantite_agreee=10 ...
1= Reference is ambiguous. 0= Reference is unambiguous or the entity can be successfully bound when the view is called. Always 0 for schema bound references. Remarks The following table lists the types of entities for which dependency information is created and maintained. Dependency information is...
A reference is ambiguous when it can resolve at run time to a user-defined function, a user-defined type (UDT), or an xquery reference to a column of type xml. Consider the following stored procedure definition. Copy CREATE PROCEDURE dbo.p1 AS ...
根据X/Open和SQL Access Group SQL CAE规范(1992)所进行的定义,SQLERROR返回SQLSTATE值。SQLSTATE值是包含五个字符的字符串,由2个字符的SQL错误类和3个字符的子类构成。五个字符包含数值或者大写字母, 代表各种错误或者警告条件的代码。成功的状态是由00000标识的。SQLSTATE代码大多数情况下都是定义在SQL标准里的。
column reference "xxx" is ambiguous 重新检查SQL语法。 ERRCODE_DUPLICATE_COLUMN 重复列,常发生在建表时同一字段声明了多次。 column "xxx" specified more than once 重新检查SQL语法。 ERRCODE_AMBIGUOUS_FUNCTION 模棱两可的函数。一般是函数支持多种类型的入参,但传参的类型没有指定清楚。 如函数to_char有to...