C# 通过c将整数数组传递给oracle过程#
我想通过c#将整数数组传递给存储过程。该过程通过sql developer工作,但在c#中不起作用。这是我的密码,但我被密码卡住了C# 通过c将整数数组传递给oracle过程#,c#,arrays,oracle,stored-procedures,C#,Arrays,Oracle,Stored Procedures,我想通过c#将整数数组传递给存储过程。该过程通过sql developer工作,但在c#中不起作用。这是我的密码,但我被密码卡住了 调用“V1”时参数的数目或类型错误。错误。请帮帮我 c#代码: 和我的类型: create or replace TYPE INNUMARRAY AS TABLE OF INTEGER; 关联数组由create或replace TYPE INNUMARRAY定义为PLS\u INTEGER的整数索引表 但是,不能在表(…)表达式中使用关联数组。为此,必须将关联数组
调用“V1”时参数的数目或类型错误。
错误。请帮帮我
c#代码:
和我的类型:
create or replace TYPE INNUMARRAY AS TABLE OF INTEGER;
关联数组由
create或replace TYPE INNUMARRAY定义为PLS\u INTEGER的整数索引表代码>
但是,不能在表(…)
表达式中使用关联数组。为此,必须将关联数组转换为嵌套表(不使用PLS_INTEGER索引),例如:
create or replace TYPE VehicleGroupID_TableType AS TABLE OF INTEGER;
或更简短的版本:
WHERE "VehicleGroupDetail"."VehicleGroupID" MEMBER OF VehicleGroupID_Table
您的类型:
create or replace TYPE INNUMARRAY AS TABLE OF INTEGER;
是在SQL作用域中定义的集合
你通过的论点:
p_strings.CollectionType = OracleCollectionType.PLSQLAssociativeArray;
p_strings.Value = new int[5]{1,2,3,4,5};
是一个关联数组,只能在PL/SQL作用域中定义(即在包中或PL/SQL块中),不能在SQL作用域中使用
它们是两种不同且不兼容的数据类型
相反,您可以在包中创建关联数组类型,然后手动将关联数组中的每个值提取到可在SQL作用域中使用的集合中:
CREATE PACKAGE vehicles_pkg IS
TYPE INNUMASSOCARRAY IS TABLE OF INTEGER INDEX BY BINARY_INTEGER;
PROCEDURE v1
(
VehicleGroupID_Array IN INNUMASSOCARRAY
);
END;
/
CREATE PACKAGE BODY vehicles_pkg IS
PROCEDURE v1
(
VehicleGroupID_Array IN INNUMASSOCARRAY
)
IS
p_recordset SYS_REFCURSOR;
p_array INNUMARRAY := INNUMARRAY();
i BINARY_INTEGER;
BEGIN
i := VehicleGroupID_Array.FIRST;
WHILE i IS NOT NULL LOOP
p_array.EXTEND;
p_array( p_array.COUNT ) := VehicleGroupID_Array(i);
i := VehicleGroupID_Array.NEXT(i);
END LOOP;
-- Rest of your procedure using p_array instead of the associative array.
END;
END;
/
我可以在包外部定义关联数组类型吗?我希望它们是独立的
否,但您可以定义仅包含以下类型的包:
CREATE PACKAGE vehicles_pkg IS
TYPE INNUMASSOCARRAY IS TABLE OF INTEGER INDEX BY BINARY_INTEGER;
END;
/
CREATE PROCEDURE v1
(
VehicleGroupID_Array IN vehicles_pkg.INNUMASSOCARRAY
)
IS
p_recordset SYS_REFCURSOR;
p_array INNUMARRAY := INNUMARRAY();
i BINARY_INTEGER;
BEGIN
i := VehicleGroupID_Array.FIRST;
WHILE i IS NOT NULL LOOP
p_array.EXTEND;
p_array( p_array.COUNT ) := VehicleGroupID_Array(i);
i := VehicleGroupID_Array.NEXT(i);
END LOOP;
-- Rest of your procedure using p_array instead of the associative array.
END;
/
或者,更好的做法是在包中创建一些通用命名的类型和函数,以将关联数组转换为集合,然后在过程中重用它们:
Oracle 11g R2架构设置:
CREATE TYPE IntList AS TABLE OF INTEGER
/
CREATE PACKAGE tools IS
TYPE IntMap IS TABLE OF INTEGER INDEX BY BINARY_INTEGER;
FUNCTION IntMapToList(
i_map IntMap
) RETURN IntList;
END;
/
CREATE PACKAGE BODY tools IS
FUNCTION IntMapToList(
i_map IntMap
) RETURN IntList
IS
o_list IntList := IntList();
i BINARY_INTEGER;
BEGIN
IF i_map IS NOT NULL THEN
i := o_list.FIRST;
WHILE i IS NOT NULL LOOP
o_list.EXTEND;
o_list( o_list.COUNT ) := i_map( i );
i := i_map.NEXT( i );
END LOOP;
END IF;
RETURN o_list;
END;
END;
/
CREATE PROCEDURE v1
(
VehicleGroupID_Array IN tools.IntMap
)
IS
p_recordset SYS_REFCURSOR;
p_array IntList := tools.IntMapToList( VehicleGroupID_Array );
i BINARY_INTEGER;
BEGIN
-- Rest of your procedure using p_array instead of the associative array.
NULL;
END;
/
不能在SQL作用域中使用create或REPLACE TYPE
创建关联数组,因为它只能在PL/SQL作用域中定义。另外,用于数组中的i.FIRST。。array.LAST循环
在数组稀疏的情况下可能并不总是有效(这不应该在使用OPs方法的C#中发生,但如果从另一个源调用该过程,则可能会发生)。我假设的成员也可以使用本地类型-但我没有测试PL/SQL范围中定义的集合不能在Oracle 11及更早版本的SQL范围中使用(无论是使用
运算符的成员还是表集合表达式)。它们可以使用Oracle 12中PL/SQL作用域中本地定义的类型(但是关联数组仍然不起作用)。我不想创建关联数组类型。我可以将集合传递给过程吗?@masoudvali是的……但不使用C,因为出于某种原因,C只支持传递关联数组。我可以在包之外定义关联数组类型吗?我希望它们是独立的@MT0@masoudvali毫无用处(您可以在匿名PL/SQL块中定义它,但不能在过程中或从C#引用它)。如果您希望它是独立的,请在包中定义类型,并在SQL范围中定义过程-我将很快添加一个更新。有些人无法信服,尽管它永远不会比这更简洁:-)
CREATE PACKAGE vehicles_pkg IS
TYPE INNUMASSOCARRAY IS TABLE OF INTEGER INDEX BY BINARY_INTEGER;
PROCEDURE v1
(
VehicleGroupID_Array IN INNUMASSOCARRAY
);
END;
/
CREATE PACKAGE BODY vehicles_pkg IS
PROCEDURE v1
(
VehicleGroupID_Array IN INNUMASSOCARRAY
)
IS
p_recordset SYS_REFCURSOR;
p_array INNUMARRAY := INNUMARRAY();
i BINARY_INTEGER;
BEGIN
i := VehicleGroupID_Array.FIRST;
WHILE i IS NOT NULL LOOP
p_array.EXTEND;
p_array( p_array.COUNT ) := VehicleGroupID_Array(i);
i := VehicleGroupID_Array.NEXT(i);
END LOOP;
-- Rest of your procedure using p_array instead of the associative array.
END;
END;
/
CREATE PACKAGE vehicles_pkg IS
TYPE INNUMASSOCARRAY IS TABLE OF INTEGER INDEX BY BINARY_INTEGER;
END;
/
CREATE PROCEDURE v1
(
VehicleGroupID_Array IN vehicles_pkg.INNUMASSOCARRAY
)
IS
p_recordset SYS_REFCURSOR;
p_array INNUMARRAY := INNUMARRAY();
i BINARY_INTEGER;
BEGIN
i := VehicleGroupID_Array.FIRST;
WHILE i IS NOT NULL LOOP
p_array.EXTEND;
p_array( p_array.COUNT ) := VehicleGroupID_Array(i);
i := VehicleGroupID_Array.NEXT(i);
END LOOP;
-- Rest of your procedure using p_array instead of the associative array.
END;
/
CREATE TYPE IntList AS TABLE OF INTEGER
/
CREATE PACKAGE tools IS
TYPE IntMap IS TABLE OF INTEGER INDEX BY BINARY_INTEGER;
FUNCTION IntMapToList(
i_map IntMap
) RETURN IntList;
END;
/
CREATE PACKAGE BODY tools IS
FUNCTION IntMapToList(
i_map IntMap
) RETURN IntList
IS
o_list IntList := IntList();
i BINARY_INTEGER;
BEGIN
IF i_map IS NOT NULL THEN
i := o_list.FIRST;
WHILE i IS NOT NULL LOOP
o_list.EXTEND;
o_list( o_list.COUNT ) := i_map( i );
i := i_map.NEXT( i );
END LOOP;
END IF;
RETURN o_list;
END;
END;
/
CREATE PROCEDURE v1
(
VehicleGroupID_Array IN tools.IntMap
)
IS
p_recordset SYS_REFCURSOR;
p_array IntList := tools.IntMapToList( VehicleGroupID_Array );
i BINARY_INTEGER;
BEGIN
-- Rest of your procedure using p_array instead of the associative array.
NULL;
END;
/