Patch downloaded from https://github.com/clementine-player/Clementine/pull/5669 .

diff -ruN clementine-1.3.1.565.gd20c2244a.orig/src/core/database.cpp clementine-1.3.1.565.gd20c2244a/src/core/database.cpp
--- clementine-1.3.1.565.gd20c2244a.orig/src/core/database.cpp	2018-07-07 23:59:24.018540126 +0200
+++ clementine-1.3.1.565.gd20c2244a/src/core/database.cpp	2018-07-08 00:04:47.991551728 +0200
@@ -265,6 +265,17 @@
   StaticInit();
 
   {
+
+#ifdef SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER
+    // In case sqlite>=3.12 is compiled without -DSQLITE_ENABLE_FTS3_TOKENIZER
+    // (generally a good idea  due to security reasons) the fts3 support should be enabled explicitly.
+    QVariant v = db.driver()->handle();
+    if (v.isValid() && qstrcmp(v.typeName(), "sqlite3*") == 0) {
+      sqlite3 *handle = *static_cast<sqlite3**>(v.data());
+      if (handle) sqlite3_db_config(handle, SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER, 1, NULL);
+    }
+#endif
+
     QSqlQuery set_fts_tokenizer(db);
     set_fts_tokenizer.prepare("SELECT fts3_tokenizer(:name, :pointer)");
     set_fts_tokenizer.bindValue(":name", "unicode");
x/refs/?id=db20b04dac681772a93921b466335bab5b81ae06'>refs</a><a class='active' href='/guix/log/etc/substitutes/ci.guix.info.pub'>log</a><a href='/guix/tree/etc/substitutes/ci.guix.info.pub?id=db20b04dac681772a93921b466335bab5b81ae06'>tree</a><a href='/guix/commit/etc/substitutes/ci.guix.info.pub?id=db20b04dac681772a93921b466335bab5b81ae06'>commit</a><a href='/guix/diff/etc/substitutes/ci.guix.info.pub?id=db20b04dac681772a93921b466335bab5b81ae06'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/etc/substitutes/ci.guix.info.pub'>
<input type='hidden' name='id' value='db20b04dac681772a93921b466335bab5b81ae06'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=db20b04dac681772a93921b466335bab5b81ae06'>root</a>/<a href='/guix/log/etc?id=db20b04dac681772a93921b466335bab5b81ae06'>etc</a>/<a href='/guix/log/etc/substitutes?id=db20b04dac681772a93921b466335bab5b81ae06'>substitutes</a>/<a href='/guix/log/etc/substitutes/ci.guix.info.pub?id=db20b04dac681772a93921b466335bab5b81ae06'>ci.guix.info.pub</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th cl<tr><td><span title='2021-12-22 10:53:19 +0100'>2021-12-22</span></td><td><a href='/guix/commit/build-aux/test-env.in?id=9ebc9ca070a21ba0aeb3f61202a8071bb250ccc8'>tests: Move keys into ./tests/keys/ and add a third ed25519 key.</a><span class='msg-avail'>...</span></td><td>Attila Lendvai</td></tr>
<tr><td><span title='2021-04-20 12:13:16 +0200'>2021-04-20</span></td><td><a href='/guix/commit/build-aux/test-env.in?id=d95168321f4a9bf6857b598da0a183b45a868d54'>import: Remove Nix<tr><td><span title='2018-12-04 10:57:56 +0100'>2018-12-04</span></td><td><a href='/guix/commit/etc/substitutes/ci.guix.info.pub?id=6a837b6062ab405f6ca6d9c0163836769098d89b'>etc: Add "ci.guix.info.pub" public key file.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>