如果表達式包含子查詢 Azure Databricks,就會引發INVALID_DEFAULT_VALUE。SUBQUERY_EXPRESSION錯誤。 範例 SQL複製 -- Create a variable with a default>DECLAREVARIABLEmyvarINTDEFAULT5; >VALUES(myvar); 5-- Setting a variable>SETVARmyvar = (SELECTsum(c1)FROMVALUES(1), (2)AST(c1); >VALUES(myvar); 3-...
Applies to: Databricks SQL Databricks Runtime 14.1 以上定数式を使用可能な場所であればどこでも参照できる、セッション プライベート一時変数を作成します。 SQL ステートメントにおいて変数を IDENTIFIER 句と組み合わせて使って識別子をパラメーター化することもできます。変数は、SET VARIABLE...
如果表达式包含一个子查询,Azure Databricks 将引发INVALID_DEFAULT_VALUE.SUBQUERY_EXPRESSION错误。 示例 SQL复制 -- Create a variable with a default>DECLAREVARIABLEmyvarINTDEFAULT5; >VALUES(myvar); 5-- Setting a variable>SETVARmyvar = (SELECTsum(c1)FROMVALUES(1), (2)AST(c1); >VALUES(myvar); 3...
Databricks SQL Databricks Runtime 14.1 and above Creates a session private, temporary variable you can reference wherever a constant expression can be used. You can also use variables in combination with theIDENTIFIER clauseto parameterize identifiers in SQL statements. ...
If expression includes a subquery Azure Databricks raises a INVALID_DEFAULT_VALUE.SUBQUERY_EXPRESSION error. Examples SQL Copy -- Create a variable with a default > DECLARE VARIABLE myvar INT DEFAULT 5; > VALUES (myvar); 5 -- Setting a variable > SET VAR myvar = (SELECT sum(c1) FROM VA...
If expression includes a subquery Azure Databricks raises a INVALID_DEFAULT_VALUE.SUBQUERY_EXPRESSION error. Examples SQL Copy -- Create a variable with a default > DECLARE VARIABLE myvar INT DEFAULT 5; > VALUES (myvar); 5 -- Setting a variable > SET VAR myvar = (SELECT sum(c1) FROM VA...
如果表達式包含子查詢 Azure Databricks,就會引發INVALID_DEFAULT_VALUE。SUBQUERY_EXPRESSION錯誤。 範例 SQL複製 -- Create a variable with a default>DECLAREVARIABLEmyvarINTDEFAULT5; >VALUES(myvar); 5-- Setting a variable>SETVARmyvar = (SELECTsum(c1)FROMVALUES(1), (2)AST(c1); >VALUES(myvar); 3-...
If expression includes a subquery Azure Databricks raises a INVALID_DEFAULT_VALUE.SUBQUERY_EXPRESSION error. Examples SQL Kopiraj -- Create a variable with a default > DECLARE VARIABLE myvar INT DEFAULT 5; > VALUES (myvar); 5 -- Setting a variable > SET VAR myvar = (SELECT sum(c1) FROM...
Databricks SQL Databricks Runtime 14.1 ke atas Membuat variabel privat dan sementara sesi yang dapat Anda referensikan di mana pun ekspresi konstanta dapat digunakan. Anda juga dapat menggunakan variabel dalam kombinasi dengan klausaIDENTIFIERuntuk membuat parameter pengidentifikasi dalam pernyataan SQL...
Als de expressie een subquery van Azure Databricks bevat, wordt er een INVALID_DEFAULT_VALUE. SUBQUERY_EXPRESSION fout. Voorbeelden SQL Kopiëren -- Create a variable with a default > DECLARE VARIABLE myvar INT DEFAULT 5; > VALUES (myvar); 5 -- Setting a variable > SET VAR myvar =...