[sql] Remove SQLite 3.10.2 reference directory.

third_party/sqlite/sqlite-src-3100200/src/btree.h

Index: third_party/sqlite/sqlite-src-3100200/src/btree.h
diff --git a/third_party/sqlite/sqlite-src-3100200/src/btree.h b/third_party/sqlite/sqlite-src-3100200/src/btree.h
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-/*
-** 2001 September 15
-**
-** The author disclaims copyright to this source code.  In place of
-** a legal notice, here is a blessing:
-**
-**    May you do good and not evil.
-**    May you find forgiveness for yourself and forgive others.
-**    May you share freely, never taking more than you give.
-**
-*************************************************************************
-** This header file defines the interface that the sqlite B-Tree file
-** subsystem.  See comments in the source code for a detailed description
-** of what each interface routine does.
-*/
-#ifndef _BTREE_H_
-#define _BTREE_H_
-
-/* TODO: This definition is just included so other modules compile. It
-** needs to be revisited.
-*/
-#define SQLITE_N_BTREE_META 16
-
-/*
-** If defined as non-zero, auto-vacuum is enabled by default. Otherwise
-** it must be turned on for each database using "PRAGMA auto_vacuum = 1".
-*/
-#ifndef SQLITE_DEFAULT_AUTOVACUUM
-  #define SQLITE_DEFAULT_AUTOVACUUM 0
-#endif
-
-#define BTREE_AUTOVACUUM_NONE 0        /* Do not do auto-vacuum */
-#define BTREE_AUTOVACUUM_FULL 1        /* Do full auto-vacuum */
-#define BTREE_AUTOVACUUM_INCR 2        /* Incremental vacuum */
-
-/*
-** Forward declarations of structure
-*/
-typedef struct Btree Btree;
-typedef struct BtCursor BtCursor;
-typedef struct BtShared BtShared;
-
-
-int sqlite3BtreeOpen(
-  sqlite3_vfs *pVfs,       /* VFS to use with this b-tree */
-  const char *zFilename,   /* Name of database file to open */
-  sqlite3 *db,             /* Associated database connection */
-  Btree **ppBtree,         /* Return open Btree* here */
-  int flags,               /* Flags */
-  int vfsFlags             /* Flags passed through to VFS open */
-);
-
-/* The flags parameter to sqlite3BtreeOpen can be the bitwise or of the
-** following values.
-**
-** NOTE:  These values must match the corresponding PAGER_ values in
-** pager.h.
-*/
-#define BTREE_OMIT_JOURNAL  1  /* Do not create or use a rollback journal */
-#define BTREE_MEMORY        2  /* This is an in-memory DB */
-#define BTREE_SINGLE        4  /* The file contains at most 1 b-tree */
-#define BTREE_UNORDERED     8  /* Use of a hash implementation is OK */
-
-int sqlite3BtreeClose(Btree*);
-int sqlite3BtreeSetCacheSize(Btree*,int);
-int sqlite3BtreeSetSpillSize(Btree*,int);
-#if SQLITE_MAX_MMAP_SIZE>0
-  int sqlite3BtreeSetMmapLimit(Btree*,sqlite3_int64);
-#endif
-int sqlite3BtreeSetPagerFlags(Btree*,unsigned);
-int sqlite3BtreeSyncDisabled(Btree*);
-int sqlite3BtreeSetPageSize(Btree *p, int nPagesize, int nReserve, int eFix);
-int sqlite3BtreeGetPageSize(Btree*);
-int sqlite3BtreeMaxPageCount(Btree*,int);
-u32 sqlite3BtreeLastPage(Btree*);
-int sqlite3BtreeSecureDelete(Btree*,int);
-int sqlite3BtreeGetOptimalReserve(Btree*);
-int sqlite3BtreeGetReserveNoMutex(Btree *p);
-int sqlite3BtreeSetAutoVacuum(Btree *, int);
-int sqlite3BtreeGetAutoVacuum(Btree *);
-int sqlite3BtreeBeginTrans(Btree*,int);
-int sqlite3BtreeCommitPhaseOne(Btree*, const char *zMaster);
-int sqlite3BtreeCommitPhaseTwo(Btree*, int);
-int sqlite3BtreeCommit(Btree*);
-int sqlite3BtreeRollback(Btree*,int,int);
-int sqlite3BtreeBeginStmt(Btree*,int);
-int sqlite3BtreeCreateTable(Btree*, int*, int flags);
-int sqlite3BtreeIsInTrans(Btree*);
-int sqlite3BtreeIsInReadTrans(Btree*);
-int sqlite3BtreeIsInBackup(Btree*);
-void *sqlite3BtreeSchema(Btree *, int, void(*)(void *));
-int sqlite3BtreeSchemaLocked(Btree *pBtree);
-int sqlite3BtreeLockTable(Btree *pBtree, int iTab, u8 isWriteLock);
-int sqlite3BtreeSavepoint(Btree *, int, int);
-
-const char *sqlite3BtreeGetFilename(Btree *);
-const char *sqlite3BtreeGetJournalname(Btree *);
-int sqlite3BtreeCopyFile(Btree *, Btree *);
-
-int sqlite3BtreeIncrVacuum(Btree *);
-
-/* The flags parameter to sqlite3BtreeCreateTable can be the bitwise OR
-** of the flags shown below.
-**
-** Every SQLite table must have either BTREE_INTKEY or BTREE_BLOBKEY set.
-** With BTREE_INTKEY, the table key is a 64-bit integer and arbitrary data
-** is stored in the leaves.  (BTREE_INTKEY is used for SQL tables.)  With
-** BTREE_BLOBKEY, the key is an arbitrary BLOB and no content is stored
-** anywhere - the key is the content.  (BTREE_BLOBKEY is used for SQL
-** indices.)
-*/
-#define BTREE_INTKEY     1    /* Table has only 64-bit signed integer keys */
-#define BTREE_BLOBKEY    2    /* Table has keys only - no data */
-
-int sqlite3BtreeDropTable(Btree*, int, int*);
-int sqlite3BtreeClearTable(Btree*, int, int*);
-int sqlite3BtreeClearTableOfCursor(BtCursor*);
-int sqlite3BtreeTripAllCursors(Btree*, int, int);
-
-void sqlite3BtreeGetMeta(Btree *pBtree, int idx, u32 *pValue);
-int sqlite3BtreeUpdateMeta(Btree*, int idx, u32 value);
-
-int sqlite3BtreeNewDb(Btree *p);
-
-/*
-** The second parameter to sqlite3BtreeGetMeta or sqlite3BtreeUpdateMeta
-** should be one of the following values. The integer values are assigned 
-** to constants so that the offset of the corresponding field in an
-** SQLite database header may be found using the following formula:
-**
-**   offset = 36 + (idx * 4)
-**
-** For example, the free-page-count field is located at byte offset 36 of
-** the database file header. The incr-vacuum-flag field is located at
-** byte offset 64 (== 36+4*7).
-**
-** The BTREE_DATA_VERSION value is not really a value stored in the header.
-** It is a read-only number computed by the pager.  But we merge it with
-** the header value access routines since its access pattern is the same.
-** Call it a "virtual meta value".
-*/
-#define BTREE_FREE_PAGE_COUNT     0
-#define BTREE_SCHEMA_VERSION      1
-#define BTREE_FILE_FORMAT         2
-#define BTREE_DEFAULT_CACHE_SIZE  3
-#define BTREE_LARGEST_ROOT_PAGE   4
-#define BTREE_TEXT_ENCODING       5
-#define BTREE_USER_VERSION        6
-#define BTREE_INCR_VACUUM         7
-#define BTREE_APPLICATION_ID      8
-#define BTREE_DATA_VERSION        15  /* A virtual meta-value */
-
-/*
-** Kinds of hints that can be passed into the sqlite3BtreeCursorHint()
-** interface.
-**
-** BTREE_HINT_RANGE  (arguments: Expr*, Mem*)
-**
-**     The first argument is an Expr* (which is guaranteed to be constant for
-**     the lifetime of the cursor) that defines constraints on which rows
-**     might be fetched with this cursor.  The Expr* tree may contain
-**     TK_REGISTER nodes that refer to values stored in the array of registers
-**     passed as the second parameter.  In other words, if Expr.op==TK_REGISTER
-**     then the value of the node is the value in Mem[pExpr.iTable].  Any
-**     TK_COLUMN node in the expression tree refers to the Expr.iColumn-th
-**     column of the b-tree of the cursor.  The Expr tree will not contain
-**     any function calls nor subqueries nor references to b-trees other than
-**     the cursor being hinted.
-**
-**     The design of the _RANGE hint is aid b-tree implementations that try
-**     to prefetch content from remote machines - to provide those
-**     implementations with limits on what needs to be prefetched and thereby
-**     reduce network bandwidth.
-**
-** Note that BTREE_HINT_FLAGS with BTREE_BULKLOAD is the only hint used by
-** standard SQLite.  The other hints are provided for extentions that use
-** the SQLite parser and code generator but substitute their own storage
-** engine.
-*/
-#define BTREE_HINT_RANGE 0       /* Range constraints on queries */
-
-/*
-** Values that may be OR'd together to form the argument to the
-** BTREE_HINT_FLAGS hint for sqlite3BtreeCursorHint():
-**
-** The BTREE_BULKLOAD flag is set on index cursors when the index is going
-** to be filled with content that is already in sorted order.
-**
-** The BTREE_SEEK_EQ flag is set on cursors that will get OP_SeekGE or
-** OP_SeekLE opcodes for a range search, but where the range of entries
-** selected will all have the same key.  In other words, the cursor will
-** be used only for equality key searches.
-**
-*/
-#define BTREE_BULKLOAD 0x00000001  /* Used to full index in sorted order */
-#define BTREE_SEEK_EQ  0x00000002  /* EQ seeks only - no range seeks */
-
-/* 
-** Flags passed as the third argument to sqlite3BtreeCursor().
-**
-** For read-only cursors the wrFlag argument is always zero. For read-write
-** cursors it may be set to either (BTREE_WRCSR|BTREE_FORDELETE) or
-** (BTREE_WRCSR). If the BTREE_FORDELETE flag is set, then the cursor will
-** only be used by SQLite for the following:
-**
-**   * to seek to and delete specific entries, and/or
-**
-**   * to read values that will be used to create keys that other
-**     BTREE_FORDELETE cursors will seek to and delete.
-*/
-#define BTREE_WRCSR     0x00000004     /* read-write cursor */
-#define BTREE_FORDELETE 0x00000008     /* Cursor is for seek/delete only */
-
-int sqlite3BtreeCursor(
-  Btree*,                              /* BTree containing table to open */
-  int iTable,                          /* Index of root page */
-  int wrFlag,                          /* 1 for writing.  0 for read-only */
-  struct KeyInfo*,                     /* First argument to compare function */
-  BtCursor *pCursor                    /* Space to write cursor structure */
-);
-int sqlite3BtreeCursorSize(void);
-void sqlite3BtreeCursorZero(BtCursor*);
-void sqlite3BtreeCursorHintFlags(BtCursor*, unsigned);
-#ifdef SQLITE_ENABLE_CURSOR_HINTS
-void sqlite3BtreeCursorHint(BtCursor*, int, ...);
-#endif
-
-int sqlite3BtreeCloseCursor(BtCursor*);
-int sqlite3BtreeMovetoUnpacked(
-  BtCursor*,
-  UnpackedRecord *pUnKey,
-  i64 intKey,
-  int bias,
-  int *pRes
-);
-int sqlite3BtreeCursorHasMoved(BtCursor*);
-int sqlite3BtreeCursorRestore(BtCursor*, int*);
-int sqlite3BtreeDelete(BtCursor*, int);
-int sqlite3BtreeInsert(BtCursor*, const void *pKey, i64 nKey,
-                                  const void *pData, int nData,
-                                  int nZero, int bias, int seekResult);
-int sqlite3BtreeFirst(BtCursor*, int *pRes);
-int sqlite3BtreeLast(BtCursor*, int *pRes);
-int sqlite3BtreeNext(BtCursor*, int *pRes);
-int sqlite3BtreeEof(BtCursor*);
-int sqlite3BtreePrevious(BtCursor*, int *pRes);
-int sqlite3BtreeKeySize(BtCursor*, i64 *pSize);
-int sqlite3BtreeKey(BtCursor*, u32 offset, u32 amt, void*);
-const void *sqlite3BtreeKeyFetch(BtCursor*, u32 *pAmt);
-const void *sqlite3BtreeDataFetch(BtCursor*, u32 *pAmt);
-int sqlite3BtreeDataSize(BtCursor*, u32 *pSize);
-int sqlite3BtreeData(BtCursor*, u32 offset, u32 amt, void*);
-
-char *sqlite3BtreeIntegrityCheck(Btree*, int *aRoot, int nRoot, int, int*);
-struct Pager *sqlite3BtreePager(Btree*);
-
-int sqlite3BtreePutData(BtCursor*, u32 offset, u32 amt, void*);
-void sqlite3BtreeIncrblobCursor(BtCursor *);
-void sqlite3BtreeClearCursor(BtCursor *);
-int sqlite3BtreeSetVersion(Btree *pBt, int iVersion);
-int sqlite3BtreeCursorHasHint(BtCursor*, unsigned int mask);
-int sqlite3BtreeIsReadonly(Btree *pBt);
-int sqlite3HeaderSizeBtree(void);
-
-#ifndef NDEBUG
-int sqlite3BtreeCursorIsValid(BtCursor*);
-#endif
-
-#ifndef SQLITE_OMIT_BTREECOUNT
-int sqlite3BtreeCount(BtCursor *, i64 *);
-#endif
-
-#ifdef SQLITE_TEST
-int sqlite3BtreeCursorInfo(BtCursor*, int*, int);
-void sqlite3BtreeCursorList(Btree*);
-#endif
-
-#ifndef SQLITE_OMIT_WAL
-  int sqlite3BtreeCheckpoint(Btree*, int, int *, int *);
-#endif
-
-/*
-** If we are not using shared cache, then there is no need to
-** use mutexes to access the BtShared structures.  So make the
-** Enter and Leave procedures no-ops.
-*/
-#ifndef SQLITE_OMIT_SHARED_CACHE
-  void sqlite3BtreeEnter(Btree*);
-  void sqlite3BtreeEnterAll(sqlite3*);
-#else
-# define sqlite3BtreeEnter(X) 
-# define sqlite3BtreeEnterAll(X)
-#endif
-
-#if !defined(SQLITE_OMIT_SHARED_CACHE) && SQLITE_THREADSAFE
-  int sqlite3BtreeSharable(Btree*);
-  void sqlite3BtreeLeave(Btree*);
-  void sqlite3BtreeEnterCursor(BtCursor*);
-  void sqlite3BtreeLeaveCursor(BtCursor*);
-  void sqlite3BtreeLeaveAll(sqlite3*);
-#ifndef NDEBUG
-  /* These routines are used inside assert() statements only. */
-  int sqlite3BtreeHoldsMutex(Btree*);
-  int sqlite3BtreeHoldsAllMutexes(sqlite3*);
-  int sqlite3SchemaMutexHeld(sqlite3*,int,Schema*);
-#endif
-#else
-
-# define sqlite3BtreeSharable(X) 0
-# define sqlite3BtreeLeave(X)
-# define sqlite3BtreeEnterCursor(X)
-# define sqlite3BtreeLeaveCursor(X)
-# define sqlite3BtreeLeaveAll(X)
-
-# define sqlite3BtreeHoldsMutex(X) 1
-# define sqlite3BtreeHoldsAllMutexes(X) 1
-# define sqlite3SchemaMutexHeld(X,Y,Z) 1
-#endif
-
-
-#endif /* _BTREE_H_ */