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Allow the rank column to be remapped on a per-query basis by including a term similar to "rank match 'bm25(10,2)'" in a where clause.

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FossilOrigin-Name: 1cd15a1759004d5d321056905dbb6acff20dc7d9
This commit is contained in:
dan
2015-01-02 14:55:22 +00:00
parent 37db72f1f7
commit ade921c3ad
6 changed files with 152 additions and 35 deletions
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ext/fts5/fts5_config.c
+2 -2
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@@ -552,7 +552,7 @@ static const char *fts5ConfigSkipArgs(const char *pIn){
** + Zero or more SQL literals in a comma separated list
** + Close parenthesis - ")"
*/
static int fts5ConfigParseRank(
int sqlite3Fts5ConfigParseRank(
const char *zIn, /* Input string */
char **pzRank, /* OUT: Rank function name */
char **pzRankArgs /* OUT: Rank function arguments */
@@ -647,7 +647,7 @@ int sqlite3Fts5ConfigSetValue(
const char *zIn = (const char*)sqlite3_value_text(pVal);
char *zRank;
char *zRankArgs;
rc = fts5ConfigParseRank(zIn, &zRank, &zRankArgs);
rc = sqlite3Fts5ConfigParseRank(zIn, &zRank, &zRankArgs);
if( rc==SQLITE_OK ){
sqlite3_free(pConfig->zRank);
sqlite3_free(pConfig->zRankArgs);