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Fix abstract building when additional indexes are built: the raw text must be fetched by get_metadata() from its own index, not the combined one

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This commit is contained in:
Jean-Francois Dockes 2019-03-20 10:57:05 +01:00
parent 1cf8327525
commit b914e1d5b9
2 changed files with 22 additions and 2 deletions
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23
src/rcldb/rcldb.cpp
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@ -685,14 +685,25 @@ int Db::Native::getPageNumberForPosition(const vector<int>& pbreaks, int pos)
return int(it - pbreaks.begin() + 1);
}
bool Db::Native::getRawText(Xapian::docid docid, string& rawtext)
bool Db::Native::getRawText(Xapian::docid docid_combined, string& rawtext)
{
if (!m_storetext) {
LOGDEB("Db::Native::getRawText: document text not stored in index\n");
return false;
}
// Xapian get_metadata only works on a single index (else of
// course, unicity of keys can't be ensured). When using multiple
// indexes, we need to open the right one.
size_t dbidx = whatDbIdx(docid_combined);
Xapian::docid docid = whatDbDocid(docid_combined);
string reason;
XAPTRY(rawtext = xrdb.get_metadata(rawtextMetaKey(docid)), xrdb, reason);
if (dbidx != 0) {
Xapian::Database db(m_rcldb->m_extraDbs[dbidx-1]);
XAPTRY(rawtext = db.get_metadata(rawtextMetaKey(docid)), db, reason);
} else {
XAPTRY(rawtext = xrdb.get_metadata(rawtextMetaKey(docid)), xrdb, reason);
}
if (!reason.empty()) {
LOGERR("Rcl::Db::getRawText: could not get value: " << reason << endl);
return false;
@ -1154,6 +1165,14 @@ size_t Db::Native::whatDbIdx(Xapian::docid id)
return (id - 1) % (m_rcldb->m_extraDbs.size() + 1);
}
// Return the docid inside the non-combined index
Xapian::docid Db::Native::whatDbDocid(Xapian::docid docid_combined)
{
if (m_rcldb->m_extraDbs.size() == 0)
return docid_combined;
return (docid_combined - 1) / (m_rcldb->m_extraDbs.size() + 1) + 1;
}
bool Db::testDbDir(const string &dir, bool *stripped_p)
{
string aerr;

1
src/rcldb/rcldb_p.h
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@ -136,6 +136,7 @@ class Db::Native {
bool fetchtext = false);
size_t whatDbIdx(Xapian::docid id);
Xapian::docid whatDbDocid(Xapian::docid);
/** Retrieve Xapian::docid, given unique document identifier,
* using the posting list for the derived term.