SQL compilation error: ambiguous column name yoon on 12-04-2019 02:39 PM 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 an...
SQL compilation error: ambiguous column name yoon on 12-04-2019 02:39 PM 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 an...
from sqlalchemy import event from sqlalchemy.schema import UniqueConstraint @event.listens_for(UniqueConstraint, "after_parent_attach") def unique_constraint_name(const, table): const.name = "uq_%s_%s" % ( table.name, list(const.columns)[0].name ) 通过使用 once 参数,也可以仅调用给定函数的...
Corrected the error message for theAttributeErrorthat’s raised when attempting to write to an attribute on theRowclass, which is immutable. The previous message claimed the column didn’t exist which is misleading. References:#7432 [engine] [bug] [regression] Fixed regression in themake_url()...
该访问器还绕过了键去重步骤,因为对于 DDL 来说这是不必要的,命名现在在 DDL 中一致地是"_<columnname>",在用于 DDL 时不会有任何后续的数字符号。 参考:#4911 mysql [mysql] [bug] 添加了从基本 pymysql.Error 类中解释的“连接被终止”消息,以便检测到关闭的连接,根据报告,此消息通过 pymysql.InternalEr...
colNames.map { colName => val namedExpr = df.resolve(colName) if (!namedExpr.dataType.isInstanceOf[NumericType]) { throw QueryCompilationErrors.aggregationFunctionAppliedOnNonNumericColumnError(colName) } namedExpr } } toDF(columnExprs.map(expr => f(expr).toAggregateExpression())) ...
Compilation Error (cannot convert from 'method group' to 'HelperResult') - MVC Compiler Error Message: CS1525: Invalid expression term ';' Compiler Error Message: CS1973: 'System.Web.Mvc.HtmlHelper<dynamic>' has no applicable method named 'Hidden' Compiler Error: CS0103: "The name 'ViewB...
AmbiguousForeignKeysError ArgumentError AwaitRequired Base20DeprecationWarning CircularDependencyError CompileError ConstraintColumnNotFoundError DBAPIError DataError DatabaseError DisconnectionError DontWrapMixin DuplicateColumnError HasDescriptionCode IdentifierError ...
NameError: name'z'isnotdefined 测试文件二 fromfooimport*fromfooimportzprint('x:', x)print('y:', y)print('z:', z) test() 运行结果 x: 2y:3z:4test python type classX(object): a= 1instance= type('X', (object,), dict(a=1))#产生一个新的类型 Xprintinstance.a ...
0xC001F032-1073614798 DTS_E_AMBIGUOUSVARIABLENAME Le nom de variable est ambigu car plusieurs variables portant ce nom existent dans différents espaces de noms. Spécifiez un nom qualifié par un espace de noms pour éviter toute ambiguïté. ...