mirror of
https://github.com/ncruces/go-sqlite3.git
synced 2026-01-12 14:09:13 +00:00
218 lines
9.4 KiB
Go
218 lines
9.4 KiB
Go
package vfs
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const (
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_MAX_PATHNAME = 512
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_DEFAULT_SECTOR_SIZE = 4096
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)
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// https://www.sqlite.org/rescode.html
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type _ErrorCode uint32
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const (
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_OK _ErrorCode = 0 /* Successful result */
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_PERM _ErrorCode = 3 /* Access permission denied */
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_BUSY _ErrorCode = 5 /* The database file is locked */
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_IOERR _ErrorCode = 10 /* Some kind of disk I/O error occurred */
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_NOTFOUND _ErrorCode = 12 /* Unknown opcode in sqlite3_file_control() */
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_CANTOPEN _ErrorCode = 14 /* Unable to open the database file */
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_IOERR_READ = _IOERR | (1 << 8)
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_IOERR_SHORT_READ = _IOERR | (2 << 8)
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_IOERR_WRITE = _IOERR | (3 << 8)
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_IOERR_FSYNC = _IOERR | (4 << 8)
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_IOERR_DIR_FSYNC = _IOERR | (5 << 8)
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_IOERR_TRUNCATE = _IOERR | (6 << 8)
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_IOERR_FSTAT = _IOERR | (7 << 8)
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_IOERR_UNLOCK = _IOERR | (8 << 8)
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_IOERR_RDLOCK = _IOERR | (9 << 8)
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_IOERR_DELETE = _IOERR | (10 << 8)
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_IOERR_BLOCKED = _IOERR | (11 << 8)
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_IOERR_NOMEM = _IOERR | (12 << 8)
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_IOERR_ACCESS = _IOERR | (13 << 8)
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_IOERR_CHECKRESERVEDLOCK = _IOERR | (14 << 8)
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_IOERR_LOCK = _IOERR | (15 << 8)
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_IOERR_CLOSE = _IOERR | (16 << 8)
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_IOERR_DIR_CLOSE = _IOERR | (17 << 8)
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_IOERR_SHMOPEN = _IOERR | (18 << 8)
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_IOERR_SHMSIZE = _IOERR | (19 << 8)
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_IOERR_SHMLOCK = _IOERR | (20 << 8)
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_IOERR_SHMMAP = _IOERR | (21 << 8)
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_IOERR_SEEK = _IOERR | (22 << 8)
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_IOERR_DELETE_NOENT = _IOERR | (23 << 8)
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_IOERR_MMAP = _IOERR | (24 << 8)
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_IOERR_GETTEMPPATH = _IOERR | (25 << 8)
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_IOERR_CONVPATH = _IOERR | (26 << 8)
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_IOERR_VNODE = _IOERR | (27 << 8)
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_IOERR_AUTH = _IOERR | (28 << 8)
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_IOERR_BEGIN_ATOMIC = _IOERR | (29 << 8)
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_IOERR_COMMIT_ATOMIC = _IOERR | (30 << 8)
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_IOERR_ROLLBACK_ATOMIC = _IOERR | (31 << 8)
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_IOERR_DATA = _IOERR | (32 << 8)
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_IOERR_CORRUPTFS = _IOERR | (33 << 8)
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_CANTOPEN_NOTEMPDIR = _CANTOPEN | (1 << 8)
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_CANTOPEN_ISDIR = _CANTOPEN | (2 << 8)
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_CANTOPEN_FULLPATH = _CANTOPEN | (3 << 8)
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_CANTOPEN_CONVPATH = _CANTOPEN | (4 << 8)
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_CANTOPEN_DIRTYWAL = _CANTOPEN | (5 << 8) /* Not Used */
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_CANTOPEN_SYMLINK = _CANTOPEN | (6 << 8)
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_OK_SYMLINK = _OK | (2 << 8) /* internal use only */
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)
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// https://www.sqlite.org/c3ref/c_open_autoproxy.html
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type _OpenFlag uint32
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const (
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_OPEN_READONLY _OpenFlag = 0x00000001 /* Ok for sqlite3_open_v2() */
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_OPEN_READWRITE _OpenFlag = 0x00000002 /* Ok for sqlite3_open_v2() */
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_OPEN_CREATE _OpenFlag = 0x00000004 /* Ok for sqlite3_open_v2() */
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_OPEN_DELETEONCLOSE _OpenFlag = 0x00000008 /* VFS only */
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_OPEN_EXCLUSIVE _OpenFlag = 0x00000010 /* VFS only */
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_OPEN_AUTOPROXY _OpenFlag = 0x00000020 /* VFS only */
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_OPEN_URI _OpenFlag = 0x00000040 /* Ok for sqlite3_open_v2() */
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_OPEN_MEMORY _OpenFlag = 0x00000080 /* Ok for sqlite3_open_v2() */
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_OPEN_MAIN_DB _OpenFlag = 0x00000100 /* VFS only */
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_OPEN_TEMP_DB _OpenFlag = 0x00000200 /* VFS only */
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_OPEN_TRANSIENT_DB _OpenFlag = 0x00000400 /* VFS only */
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_OPEN_MAIN_JOURNAL _OpenFlag = 0x00000800 /* VFS only */
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_OPEN_TEMP_JOURNAL _OpenFlag = 0x00001000 /* VFS only */
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_OPEN_SUBJOURNAL _OpenFlag = 0x00002000 /* VFS only */
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_OPEN_SUPER_JOURNAL _OpenFlag = 0x00004000 /* VFS only */
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_OPEN_NOMUTEX _OpenFlag = 0x00008000 /* Ok for sqlite3_open_v2() */
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_OPEN_FULLMUTEX _OpenFlag = 0x00010000 /* Ok for sqlite3_open_v2() */
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_OPEN_SHAREDCACHE _OpenFlag = 0x00020000 /* Ok for sqlite3_open_v2() */
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_OPEN_PRIVATECACHE _OpenFlag = 0x00040000 /* Ok for sqlite3_open_v2() */
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_OPEN_WAL _OpenFlag = 0x00080000 /* VFS only */
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_OPEN_NOFOLLOW _OpenFlag = 0x01000000 /* Ok for sqlite3_open_v2() */
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_OPEN_EXRESCODE _OpenFlag = 0x02000000 /* Extended result codes */
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)
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// https://www.sqlite.org/c3ref/c_access_exists.html
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type _AccessFlag uint32
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const (
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_ACCESS_EXISTS _AccessFlag = 0
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_ACCESS_READWRITE _AccessFlag = 1 /* Used by PRAGMA temp_store_directory */
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_ACCESS_READ _AccessFlag = 2 /* Unused */
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)
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// https://www.sqlite.org/c3ref/c_sync_dataonly.html
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type _SyncFlag uint32
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const (
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_SYNC_NORMAL _SyncFlag = 0x00002
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_SYNC_FULL _SyncFlag = 0x00003
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_SYNC_DATAONLY _SyncFlag = 0x00010
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)
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// https://www.sqlite.org/c3ref/c_lock_exclusive.html
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type _LockLevel uint32
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const (
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// No locks are held on the database.
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// The database may be neither read nor written.
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// Any internally cached data is considered suspect and subject to
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// verification against the database file before being used.
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// Other processes can read or write the database as their own locking
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// states permit.
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// This is the default state.
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_LOCK_NONE _LockLevel = 0 /* xUnlock() only */
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// The database may be read but not written.
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// Any number of processes can hold SHARED locks at the same time,
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// hence there can be many simultaneous readers.
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// But no other thread or process is allowed to write to the database file
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// while one or more SHARED locks are active.
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_LOCK_SHARED _LockLevel = 1 /* xLock() or xUnlock() */
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// A RESERVED lock means that the process is planning on writing to the
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// database file at some point in the future but that it is currently just
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// reading from the file.
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// Only a single RESERVED lock may be active at one time,
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// though multiple SHARED locks can coexist with a single RESERVED lock.
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// RESERVED differs from PENDING in that new SHARED locks can be acquired
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// while there is a RESERVED lock.
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_LOCK_RESERVED _LockLevel = 2 /* xLock() only */
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// A PENDING lock means that the process holding the lock wants to write to
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// the database as soon as possible and is just waiting on all current
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// SHARED locks to clear so that it can get an EXCLUSIVE lock.
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// No new SHARED locks are permitted against the database if a PENDING lock
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// is active, though existing SHARED locks are allowed to continue.
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_LOCK_PENDING _LockLevel = 3 /* internal use only */
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// An EXCLUSIVE lock is needed in order to write to the database file.
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// Only one EXCLUSIVE lock is allowed on the file and no other locks of any
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// kind are allowed to coexist with an EXCLUSIVE lock.
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// In order to maximize concurrency, SQLite works to minimize the amount of
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// time that EXCLUSIVE locks are held.
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_LOCK_EXCLUSIVE _LockLevel = 4 /* xLock() only */
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)
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// https://www.sqlite.org/c3ref/c_fcntl_begin_atomic_write.html
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type _FcntlOpcode uint32
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const (
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_FCNTL_LOCKSTATE _FcntlOpcode = 1
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_FCNTL_GET_LOCKPROXYFILE _FcntlOpcode = 2
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_FCNTL_SET_LOCKPROXYFILE _FcntlOpcode = 3
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_FCNTL_LAST_ERRNO _FcntlOpcode = 4
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_FCNTL_SIZE_HINT _FcntlOpcode = 5
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_FCNTL_CHUNK_SIZE _FcntlOpcode = 6
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_FCNTL_FILE_POINTER _FcntlOpcode = 7
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_FCNTL_SYNC_OMITTED _FcntlOpcode = 8
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_FCNTL_WIN32_AV_RETRY _FcntlOpcode = 9
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_FCNTL_PERSIST_WAL _FcntlOpcode = 10
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_FCNTL_OVERWRITE _FcntlOpcode = 11
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_FCNTL_VFSNAME _FcntlOpcode = 12
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_FCNTL_POWERSAFE_OVERWRITE _FcntlOpcode = 13
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_FCNTL_PRAGMA _FcntlOpcode = 14
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_FCNTL_BUSYHANDLER _FcntlOpcode = 15
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_FCNTL_TEMPFILENAME _FcntlOpcode = 16
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_FCNTL_MMAP_SIZE _FcntlOpcode = 18
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_FCNTL_TRACE _FcntlOpcode = 19
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_FCNTL_HAS_MOVED _FcntlOpcode = 20
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_FCNTL_SYNC _FcntlOpcode = 21
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_FCNTL_COMMIT_PHASETWO _FcntlOpcode = 22
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_FCNTL_WIN32_SET_HANDLE _FcntlOpcode = 23
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_FCNTL_WAL_BLOCK _FcntlOpcode = 24
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_FCNTL_ZIPVFS _FcntlOpcode = 25
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_FCNTL_RBU _FcntlOpcode = 26
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_FCNTL_VFS_POINTER _FcntlOpcode = 27
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_FCNTL_JOURNAL_POINTER _FcntlOpcode = 28
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_FCNTL_WIN32_GET_HANDLE _FcntlOpcode = 29
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_FCNTL_PDB _FcntlOpcode = 30
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_FCNTL_BEGIN_ATOMIC_WRITE _FcntlOpcode = 31
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_FCNTL_COMMIT_ATOMIC_WRITE _FcntlOpcode = 32
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_FCNTL_ROLLBACK_ATOMIC_WRITE _FcntlOpcode = 33
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_FCNTL_LOCK_TIMEOUT _FcntlOpcode = 34
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_FCNTL_DATA_VERSION _FcntlOpcode = 35
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_FCNTL_SIZE_LIMIT _FcntlOpcode = 36
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_FCNTL_CKPT_DONE _FcntlOpcode = 37
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_FCNTL_RESERVE_BYTES _FcntlOpcode = 38
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_FCNTL_CKPT_START _FcntlOpcode = 39
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_FCNTL_EXTERNAL_READER _FcntlOpcode = 40
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_FCNTL_CKSM_FILE _FcntlOpcode = 41
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_FCNTL_RESET_CACHE _FcntlOpcode = 42
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)
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// https://www.sqlite.org/c3ref/c_iocap_atomic.html
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type _DeviceCharacteristic uint32
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const (
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_IOCAP_ATOMIC _DeviceCharacteristic = 0x00000001
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_IOCAP_ATOMIC512 _DeviceCharacteristic = 0x00000002
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_IOCAP_ATOMIC1K _DeviceCharacteristic = 0x00000004
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_IOCAP_ATOMIC2K _DeviceCharacteristic = 0x00000008
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_IOCAP_ATOMIC4K _DeviceCharacteristic = 0x00000010
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_IOCAP_ATOMIC8K _DeviceCharacteristic = 0x00000020
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_IOCAP_ATOMIC16K _DeviceCharacteristic = 0x00000040
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_IOCAP_ATOMIC32K _DeviceCharacteristic = 0x00000080
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_IOCAP_ATOMIC64K _DeviceCharacteristic = 0x00000100
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_IOCAP_SAFE_APPEND _DeviceCharacteristic = 0x00000200
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_IOCAP_SEQUENTIAL _DeviceCharacteristic = 0x00000400
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_IOCAP_UNDELETABLE_WHEN_OPEN _DeviceCharacteristic = 0x00000800
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_IOCAP_POWERSAFE_OVERWRITE _DeviceCharacteristic = 0x00001000
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_IOCAP_IMMUTABLE _DeviceCharacteristic = 0x00002000
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_IOCAP_BATCH_ATOMIC _DeviceCharacteristic = 0x00004000
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)
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