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Change the position list format so that its size in bytes is stored at the start of the list itself.

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FossilOrigin-Name: 62f2ff20418702ed0fbf708369edf5638445b51b
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dan
2014-07-01 20:45:18 +00:00
parent e369fe4352
commit acf6642819
4 changed files with 181 additions and 94 deletions
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14
ext/fts5/fts5Int.h
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@ -75,7 +75,6 @@ void sqlite3Fts5Dequote(char *z);
typedef struct Fts5Index Fts5Index;
typedef struct Fts5IndexIter Fts5IndexIter;
/*
** Values used as part of the flags argument passed to IndexQuery().
*/
@ -117,18 +116,9 @@ void sqlite3Fts5IterNext(Fts5IndexIter*, i64 iMatch);
i64 sqlite3Fts5IterRowid(Fts5IndexIter*);
/*
** Position list iteration.
**
** for(
** iPos=sqlite3Fts5IterFirstPos(pIter, iCol);
** iPos>=0;
** iPos=sqlite3Fts5IterNextPos(pIter)
** ){
** // token appears at position iPos of column iCol of the current document
** }
** Obtain the position list that corresponds to the current position.
*/
// int sqlite3Fts5IterFirstPos(Fts5IndexIter*, int iCol);
// int sqlite3Fts5IterNextPos(Fts5IndexIter*);
const u8 *sqlite3Fts5IterPoslist(Fts5IndexIter*, int *pn);
/*
** Close an iterator opened by sqlite3Fts5IndexQuery().