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    Searched refs:Wal (Results 1 - 4 of 4) sorted by null

  /external/chromium_org/third_party/sqlite/src/src/
wal.h 43 /* Connection to a write-ahead log (WAL) file.
46 typedef struct Wal Wal;
49 int sqlite3WalOpen(sqlite3_vfs*, sqlite3_file*, const char *zName, int, Wal**);
50 int sqlite3WalClose(Wal *pWal, int sync_flags, int, u8 *);
56 ** write to or checkpoint the WAL. sqlite3WalCloseSnapshot() closes the
59 int sqlite3WalBeginReadTransaction(Wal *pWal, int *);
60 void sqlite3WalEndReadTransaction(Wal *pWal);
63 int sqlite3WalRead(Wal *pWal, Pgno pgno, int *pInWal, int nOut, u8 *pOut);
65 /* If the WAL is not empty, return the size of the database. *
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wal.c 13 ** This file contains the implementation of a write-ahead log (WAL) used in
14 ** "journal_mode=WAL" mode.
16 ** WRITE-AHEAD LOG (WAL) FILE FORMAT
18 ** A WAL file consists of a header followed by zero or more "frames".
21 ** frames into the WAL. Transactions commit when a frame is written that
22 ** contains a commit marker. A single WAL can and usually does record
23 ** multiple transactions. Periodically, the content of the WAL is
27 ** A single WAL file can be used multiple times. In other words, the
28 ** WAL can fill up with frames and then be checkpointed and then new
29 ** frames can overwrite the old ones. A WAL always grows from beginnin
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pager.c 23 #include "wal.h"
29 ** journal. These invariants do not apply for journal_mode=WAL,
185 ** rollback (non-WAL) mode are met. Unless the pager is (or recently
202 ** * If the database is a WAL database, then the WAL connection is open.
220 ** IN WAL mode, WalBeginWriteTransaction() is called to lock the log file.
227 ** * If the connection is open in WAL-mode, a WAL write transaction
251 ** when it modifies the contents of the database file. WAL connections
264 ** It is not possible for a WAL connection to enter this state
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  /external/chromium_org/third_party/sqlite/amalgamation/
sqlite3.c 195 ** checkpointing the database in WAL mode.
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