nishant94 commented on code in PR #64667: URL: https://github.com/apache/doris/pull/64667#discussion_r3746740292
########## be/dict/kuromoji/README.md: ########## @@ -0,0 +1,55 @@ +<!-- +Licensed to the Apache Software Foundation (ASF) under one +or more contributor license agreements. See the NOTICE file +distributed with this work for additional information +regarding copyright ownership. The ASF licenses this file +to you under the Apache License, Version 2.0 (the +"License"); you may not use this file except in compliance +with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, +software distributed under the License is distributed on an +"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +KIND, either express or implied. See the License for the +specific language governing permissions and limitations +under the License. +--> + +# Kuromoji (Japanese) dictionary + +This directory holds the compiled IPADIC dictionary consumed at runtime by the +`kuromoji` inverted-index analyzer (`KuromojiAnalyzer` → `KuromojiDictionary`): + +- `system.bin` — surface→word Darts trie + word entries + feature blob +- `matrix.bin` — connection-cost matrix (1316×1316) +- `chardef.bin` — character-category map + per-category flags +- `unkdict.bin` — unknown-word entries per category + +These `*.bin` files are **generated** (not committed; see `.gitignore`). The +runtime resolves them at `${inverted_index_dict_path}/kuromoji` +(default `${DORIS_HOME}/dict/kuromoji`); `be/CMakeLists.txt` installs this +directory into the BE package. + +## How it's (re)generated + +Source: the UTF-8 IPADIC from <https://github.com/lindera/mecab-ipadic> +(tag `2.7.0-20250920`) — the original `mecab-ipadic-2.7.0-20070801` lexicon +converted to UTF-8 (license: NAIST-2003, see `dist/licenses/LICENSE-ipadic.txt`). + +Automated, two steps: + +```bash +# 1. thirdparty fetches + stages the UTF-8 IPADIC source into +# ${DORIS_THIRDPARTY}/installed/share/mecab-ipadic-2.7.0-20250920 +sh thirdparty/build-thirdparty.sh mecab_ipadic + +# 2. the CMake target builds the offline compiler and produces the *.bin here +ninja -C be/ut_build_RELEASE kuromoji_dict Review Comment: Fixed -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
