Chen Dai

Results 49 issues of Chen Dai

### Describe the issue I tried to use this `MinMaxAnalysisUtil` to analyze distribution of column. It worked well on small data set, however threw exception on my TPC-H dataset which...

untriaged

**Feature requested** As a developer, I want this feature in order to leverage Hyperspace index in Presto/Trino. Not sure if this is similar request as https://github.com/microsoft/hyperspace/issues/514. I'm wondering if anyone...

enhancement
untriaged

### Describe the issue I'm wondering if what-if API mentioned in Hyperspace available for index recommendation? I checked docs, blogs and PRs but couldn't find anything related. Did I miss...

untriaged

Support Elasticsearch meta fields, ex. `_id`, `_index` etc.

enhancement
PPL
SQL

Because geo function support is missing in new engine, the following falls back to old engine which cannot handle. May need to add support for common geo functions. ``` SELECT...

enhancement
SQL

Inconsistency found in aggregate queries between old and new engine. In old engine, aggregate queries return 200 rows by default which is same as non-aggregate queries. But in new engine,...

bug
PPL
SQL

Currently the workbench seems showing "[Index name]: no response" for any error.

Workbench

In PR https://github.com/opendistro-for-elasticsearch/sql/pull/985, a new type `UNDEFINED` is added in SQL plugin for NULL literal. This is mapping to JDBC NULL type in JDBC driver. We need to do this...

enhancement
ODBC

In SQL, `DISTINCT *` is used to get distinct row in result set. Currently an empty result is returned for queries as below: ``` POST _opendistro/_sql { "query": """ SELECT...

bug
SQL

@jingyali-apr Thanks for confirming! I may have found where things go wrong: https://github.com/opensearch-project/sql/blob/907019cc8f7ce05c34ed453a75e4d897f55b57c5/sql/src/main/java/org/opensearch/sql/sql/parser/AstSortBuilder.java#L53 When we try to replace alias in `ORDER BY`, we only replace ordinal or alias directly. In...

bug
SQL