int setDBDefaultLocale(sqlite3 * db, const char * const zLocale)
{
  int rc;
  sqlite3_stmt* stmt;
  UErrorCode status = U_ZERO_ERROR;
  UCollator *pUCollator= ucol_open(zLocale ? zLocale : uloc_getDefault(), &status);
 
  if(!U_SUCCESS(status))
  {
    return SQLITE_ERROR;
  }
 
  // create the collation
  if ((rc = sqlite3_create_collation_v2(db, "LOCALE", SQLITE_UTF16,
  (void *)pUCollator, icuCollationColl, icuCollationDel)) != SQLITE_OK)
  {
    ucol_close(pUCollator);
 
    return rc;
  }
 
  // set the default collating sequence to the locale collation
  db->pDfltColl = sqlite3FindCollSeq(db, ENC(db), "LOCALE", 0);
 
  return db->pDfltColl ? SQLITE_OK : SQLITE_ERROR;
}

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