Column name 'tag' is ambiguous 列名不明确 使用“SELECT t.tag,t.time,t.value,t1.engunits FROM pisnapshot t,pipoint t1 WHERE t.tag =? and t.tag=t1.tag”查询 Pi实时数据库时,因为tag在pipoint、pisnapshot表中都存在,所以需要加上相应的标识符。如语句中的t、t1表示。
PG::AmbiguousColumn: ERROR: column reference "name" is ambiguousというエラーが出ます. 解決策 上記のエラーはnameカラムが曖昧だというエラーです。 そこでカテゴリモデルのスコープメソッドにテーブル名を付けます。 category.rb classCategory<ApplicationRecordhas_many:category_users,dependent: ...
提供解决“column 'user_name' in field list is ambiguous”错误的方法: 解决这一错误的关键是明确指定要引用的user_name列所属的表。这可以通过以下方式实现: 使用表名前缀:在列名前加上表名或表的别名。 为表设置别名:在查询中为每个表设置一个别名,并在引用列时使用这些别名。 给出修改查询语句的示例,以...
select full_name, lang, full_name, salary from my_table x inner join my_table_1 y ON x.id = y.id; The above query will return an “ambiguous column name” error. Although the error message may vary depending on the database engine, the output is closely similar. The following shows...
Power BI services, connected to Snowflake, generates SQL that triggers an error: " Unable to connect to the data source ODBC: ERROR [42601] SQL compilation error: ambiguous column name 'name'." The tables and attributes in question are DEALS.name, SCOPES.name, SUB_SCOPES.name, and QUESTIO...
'TRY_CONVERT' is not a recognized built-in function name 'VARCHAR' is not a recognized built-in function name. 'WHEN MATCHED' cannot appear more than once in a 'UPDATE' clause of a MERGE statement. "EXECUTE AT" with Dynamic Linked Server Name "explicit value must be specified for identit...
Actual results: PGError: ERROR: column reference "name" is ambiguous LINE 11: WHERE "taxonomies"."id" = '5' ))) ORDER BY name ^ : SELECT "compute_resources"."id" AS t0_r0, "compute_resources"."name" AS t0_r1, "compute_resources"."description" AS t0_r2, "compute_resources"."ur...
报错:Column 'name' in where clause is ambiguous Causedby:com.baomidou.mybatisplus.core.exceptions.MybatisPlusException:Error: Method queryTotal execution error of sql : SELECTCOUNT(1) FROMbase_fish_productbfpLEFTJOINbase_fish_product_typebfptONbfp.type_id=bfpt.idWHERE (bfp.del_flg<> ?ANDname...
SqliteError: in cds.deploy(): ambiguous column name: value in: INSERT INTO ld_prodManagement_Status (ID,value,criticality,text) SELECT value->>'$[0]' as ID,CASE WHEN OLD.ID IS NULL THEN value->>'$[1]' ELSE (CASE WHEN json_type(value,'$[1]') IS NULL THEN OLD.value ELSE value...
Column 'Name' in on clause is ambiguous MySQL查询的时候出现这个错误提示多半是因为: 1.多表查询的时候几个表中同时出现了某个相同的列名,而在查询条件WHERE后面又没有指定是那个表。 2.查询结果里面有两个相同的列名,而没有指定是哪个表。 这个字段指的是哪个表的字段。必须使用全限定名称,如:tableName...