david-sail

Many SQL programmers cannot write high-quality SQLs and it requires to rewrite the SQL queries advisor to improve the per- formance. is there a plan to implement sql rewrite advisor

3.7 example z-score compute

2

mean = train_data.mean(axis=0) train_data -= mean std = train_data.std(axis=0) train_data /= std test_data -= mean test_data /= std modify mean = train_data.mean(axis=0) std = train_data.std(axis=0) train_data -= mean train_data /=...

regexp can not match

4

regexp: (.*)的(?:联系方式|电话|电话号码|手机号) string: david的联系方式 result: can not match code: List strRegList = new ArrayList(5); strRegList.add("(.*)的(?:联系方式|电话|电话号码|手机号)"); int [] subList = MultiPattern.of(strRegList).matcher().match("david的联系方式");

neo4j config： elasticsearch.index_spec=people:Person(first_name,last_name), places:Place(name) create ES index:  problem: how to support analyzer in index schema using neo4j.conf

how do I use TiParser lexer?

2

## Question how do I call TiParser lexer for sql word split just like vitess token not ast parser, the sample code is as follows var tokens []Token tkn :=...

你觉得如何针对question建立意图识别模型？