Question

SELECT * FROM all_tab_privs WHERE  table_name  = 'TEMPKBU'

GRANTOR GRANTEE TABLE_SCHEMA TABLE_NAME PRIVILEGE GRANTABLE HIERARCHY   COMMON  TYPE
SYS     KC_PROD SYS          TEMPKBU    EXECUTE   YES       NO          NO      DIRECTORY
SYS     KC_PROD SYS          TEMPKBU    READ      YES       NO          NO      DIRECTORY
SYS     KC_PROD SYS          TEMPKBU    WRITE     YES       NO          NO      DIRECTORY
KC_PROD PUBLIC  SYS          TEMPKBU    READ      NO        NO          NO      DIRECTORY
KC_PROD PUBLIC  SYS          TEMPKBU    WRITE     NO        NO          NO      DIRECTORY

运行时的产量

致命错误：违反了不变式：不透明的小字符串

那到底是什么意思？

Answer 1

太棒了。大括号来解决：

    let p = [".cer", ".crt", ".der"].map { fileExtension in
        bundle.paths(forResourcesOfType: fileExtension, inDirectory: nil)
        }
    let paths =  Set(p.joined())

致命错误：违反了不变式：不透明的小字符串

1 个答案: