造成这个问题的原因是因为我是在SQL语句里面调用这个PL/SQL函数的,因为SQL语句和PL/SQL函数是通过不同的engine(SQL engine 和 PL/SQL engine) 来解析执行的,因此在SQL语句中执行的FUNCTION必须是public的,这样SQL engine才能访问的。 解决这个问题的方法要么就是将function 公有化,即放在package specification中,或者...
PLS-00231错误:function name may not be used in SQL 2013-04-25 编译时提示这个错误,搜了下,原来是因为如果该函数没有在包头定义的话,sql语句是见不到该函数的,因此如果想在sql级别使用这个函数,只能在包头上定义该函数,即只能作为公有的暴露出来了,否则只能采用plsql的方式即 xxxx := function; 具体可以参...
In MSTVFs, @return_variable is a TABLE variable, used to store and accumulate the rows that should be returned as the value of the function. @ return_variable can be specified only for Transact-SQL functions and not for CLR functions. select_stmt The single SELECT statement that defines the...
If the function is nondeterministic, include the following statement in the item constructor to indicate that function results should not be cached: current_thd->lex->safe_to_cache_query=0; A function is nondeterministic if, given fixed values for its arguments, it can return different results...
Because this does not directly determine the underlying SQL support, however, scrollable cursors may not be supported, even for a SQL-92 Intermediate level-conformant driver. SQL_DYNAMIC_CURSOR_ATTRIBUTES2 3.0 An SQLUINTEGER bitmask that describes the attributes of a dynamic cursor that are ...
Added in MySQL 5.7.22. MAX([DISTINCT] expr) Returns the maximum value of expr. MAX() may take a string argument; in such cases, it returns the maximum string value. See Section 8.3.1, “How MySQL Uses Indexes”. The DISTINCT keyword can be used to find the maximum of the distinc...
IfFunctionIdis SQL_API_ODBC3_ALL_FUNCTIONS,SupportedPtrpoints to a SQLSMALLINT array with a number of elements equal to SQL_API_ODBC3_ALL_FUNCTIONS_SIZE. This array is treated by the Driver Manager as a 4,000-bit bitmap that can be used to determine whether an ODBC 3*.x* or earlier...
Error CodeSQLSTATEErrorDescription 1901 ER_GENERATED_COLUMN_FUNCTION_IS_NOT_ALLOWED Function or expression '%s' cannot be used in the %s clause of %`s Contents Possible Causes and Solutions Possible Causes and Solutions This article doesn't currently contain any content. You can help! ← Error...
But functions are not created[29 Jun 2012 6:46] Valeriy Kravchuk This is what I get in mysql command line client when recent MySQL version is used: C:\Program Files\MySQL\MySQL Server 5.5\bin>mysql -uroot -proot -P3312 test Welcome to the MySQL monitor. Commands end with ; or \g...
Database Compatibility Mode: Some databases, such as Microsoft SQL Server, have a compatibility mode to mimic the behavior of other database systems. If you are migrating from a different database system and using the compatibility mode, theNOW()function may not be recognized. You can check th...