diff options
Diffstat (limited to 'ext/sqlite/libsqlite/src/vdbeInt.h')
| -rw-r--r-- | ext/sqlite/libsqlite/src/vdbeInt.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/ext/sqlite/libsqlite/src/vdbeInt.h b/ext/sqlite/libsqlite/src/vdbeInt.h index d168387cd2..d58523ad28 100644 --- a/ext/sqlite/libsqlite/src/vdbeInt.h +++ b/ext/sqlite/libsqlite/src/vdbeInt.h @@ -17,6 +17,15 @@ */ /* +** When converting from the native format to the key format and back +** again, in addition to changing the byte order we invert the high-order +** bit of the most significant byte. This causes negative numbers to +** sort before positive numbers in the memcmp() function. +*/ +#define keyToInt(X) (sqliteVdbeByteSwap(X) ^ 0x80000000) +#define intToKey(X) (sqliteVdbeByteSwap((X) ^ 0x80000000)) + +/* ** The makefile scans this source file and creates the following ** array of string constants which are the names of all VDBE opcodes. ** This array is defined in a separate source code file named opcode.c @@ -62,6 +71,8 @@ struct Cursor { Bool nullRow; /* True if pointing to a row with no data */ Bool nextRowidValid; /* True if the nextRowid field is valid */ Bool pseudoTable; /* This is a NEW or OLD pseudo-tables of a trigger */ + Bool deferredMoveto; /* A call to sqliteBtreeMoveto() is needed */ + int movetoTarget; /* Argument to the deferred sqliteBtreeMoveto() */ Btree *pBt; /* Separate file holding temporary table */ int nData; /* Number of bytes in pData */ char *pData; /* Data for a NEW or OLD pseudo-table */ @@ -294,6 +305,8 @@ void sqliteVdbeSorterReset(Vdbe*); void sqliteVdbeAggReset(Agg*); void sqliteVdbeKeylistFree(Keylist*); void sqliteVdbePopStack(Vdbe*,int); +int sqliteVdbeCursorMoveto(Cursor*); +int sqliteVdbeByteSwap(int); #if !defined(NDEBUG) || defined(VDBE_PROFILE) void sqliteVdbePrintOp(FILE*, int, Op*); #endif |