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Remove table alias or table name prefix in field name - Open Distro for Elasticsearch - [issue]
...Issue #, if available: #213, #99, #175Description of changes: Remove table alias or table name prefix in field name so our code can work and generate correct DSL.Testing: Passed all old and ...    Author: dai-chen , 2019-10-18, 00:37
Pre-verification before actual execution of query - Open Distro for Elasticsearch - [issue]
...More verification should be performed before the actual execution of query in ES by useful information in metadata.One example is run Nested Loop join on fields of text type which nothing ma...    Author: dai-chen , 2019-10-07, 21:49
Improve query verification and exception handling - Open Distro for Elasticsearch - [issue]
...Currently SQL Plugin doesn’t handle various exception cases well. This is partly due to the loose check in Druid parser in use, though majorly because of our own code.For example, some bad q...    Author: dai-chen , 2019-10-07, 21:47
Improve query verification by adding semantic analyzer - Open Distro for Elasticsearch - [issue]
...Issue #, if available: #151, #82Description of changes: This PR covers the second part of query verification improvement which include several parts:Semantic analyzer: consists of Semantic C...    Author: dai-chen , 2019-10-07, 21:42
Elasticsearch 7.2.1 compatibility - Open Distro for Elasticsearch - [issue]
...Support Elasticsearch 7.2.1 for new release....    Author: dai-chen , 2019-10-16, 00:47
Support ordinal in GROUP/ORDER BY clause - Open Distro for Elasticsearch - [issue]
...In issue #213, it seems BI tool like Tableau will generates GROUP BY (and probably ORDER BY too) using ordinal.Take query SELECT age FROM accounts GROUP BY 1 for example, the ordinal 1 here ...    Author: dai-chen , 2019-10-24, 20:21
Type information is lost in JDBC format - Open Distro for Elasticsearch - [issue]
...In JDBC formatter, we need to return a type for each field in SELECT which is required by JDBC driver. However, this type is hardcoding for now. For example, SUM always return double even if...    Author: dai-chen , 2020-02-21, 18:12
JDBC driver returns Elasticsearch type name in ResultSet meta data - Open Distro for Elasticsearch - [issue]
...For some reason, JDBC driver returns KEYWORD type rather than standard VARCHAR or NVARCHAR. I checked that there is no keyword type in the spec:    Author: dai-chen , 2020-01-10, 20:06
Result set metadata returns es type - Open Distro for Elasticsearch - [issue]
...Issue #, if available: #43Description of changes: Elasticsearch type was returned when getting type name from ResultSet metadata, ex. KEYWORD type which doesn't exist in JDBC spec. This PR i...    Author: dai-chen , 2020-01-10, 20:05
Sql test bench bug fix, improvement and more test cases - Open Distro for Elasticsearch - [issue]
...Issue #, if available: #339Description of changes: Improved and fixed a few issues found when adding more test cases and testing with JDBC driver bug fix opendistro-for-elasticsearch/sql-jdb...    Author: dai-chen , 2020-01-13, 21:38