the packing alignment is set at the data-declaration level by thepackpragma. The pragma takes effect at the first structure or union declaration after the pragma is seen; the pragma has no effect on definitions
The pragma has no effect. Live SQL: You can view and run this example on Oracle Live SQL at Deprecation Only Applies to Top Level Subprogram Copy PROCEDURE foo IS PROCEDURE inner_foo IS PRAGMA DEPRECATE (inner_foo, 'procedure inner_foo is deprecated'); BEGIN DBMS_OUTPUT.PUT_LINE('...
在名称空间内使用 #pragma align 时,必须使用重整名称。例如,在下面的代码中,#pragma align 语句是无效的。要更正此问题,应将 #pragma align 语句中的 a、b 和c 替换为其重整名称。namespace foo { #pragma align 8 (a, b, c) // has no effect //use mangled names: #pragma align 8 (__1cDf...
The incremental_vacuum pragma has no effect if the database is not in auto_vacuum=incremental mode or if there are no pages on the freelist. If there are fewer than N pages on the freelist, or if N is less than 1, or if N is omitted entirely, then the entire freelist is cleared...
The incremental_vacuum pragma has no effect if the database is not in auto_vacuum=incremental mode or if there are no pages on the freelist. If there are fewer than N pages on the freelist, or if N is less than 1, or if the "(N)" argument is omitted, then the entire freelist...
The inline_depth pragma has no effect on functions marked with __forceinline.หมายเหตุ Recursive functions can be substituted inline to a maximum depth of 16 calls.See alsoPragma directives and the __pragma and _Pragma keywords inline_recursion...
operator has no effect; did you intend '='?没有效果的运算符“= =”;是否改为“=”? 17、warningC4700:localvariable'bReset'usedwithouthavingbeenitialized局部变量“bReset”没有初始化就使用。 18、error C4716: 'CMyApp: :InitInstance' : must return a value “CMyApp: :InitInstance”函数必须返回...
PRAGMA AUTONOMOUS_TRANSACTION,PolarDB:An autonomous transaction is an independent transaction started by a calling program. A commit or rollback of SQL statements in the autonomous transaction has no effect on the commit or rollback in a ...
increase the alignment of a member, but rather can decrease the alignment. For example, for a member with data type ofshort, a#pragma pack(1)directive would cause that member to be packed in the structure on a 1-byte boundary, while a#pragma pack(4)directive would have no effect. ...
Briefly, it has no effect at all, but a detailed example will be helpful. Before giving this example, let us review the precise definition of the effect of defining Bit_Order. The effect of a non-standard bit order is described in section 13.5.3 of the Ada Reference Manual: “2 A ...