If the ninth parameter to sqlite3_create_function_v2() is not NULL, then it is destructor for the application data pointer. The destructor is invoked when the function is deleted, either by being overloaded or when the database connection closes. The destructor is also invoked if the call t...
该函数可以返回 SQLite 支持的任何类型:bytes、str、int float 和None。 在3.8 版中更改:deterministic添加了参数。 例子: importsqlite3importhashlibdefmd5sum(t):returnhashlib.md5(t).hexdigest() con = sqlite3.connect(":memory:") con.create_function("md5",1, md5sum) cur = con.cursor() cur.execut...
问SQLite3 haskell createFunction示例EN引言 Haskell不同于Scala，是一门纯函数式语言，它强制使用者使用...
node:sqliteprovides a wrapper forsqlite3_create_function_v2, but sqlite expects window functions to be defined withsqlite3_create_window_function What is the feature you are proposing to solve the problem? node:sqliteshould provide an additional wrapper forsqlite3_create_window_function, or extend ...