Sergey Kalashnikov created IGNITE-6276:
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Summary: SQL: Investigate parser generators
Key: IGNITE-6276
URL: https://issues.apache.org/jira/browse/IGNITE-6276
Project: Ignite
Issue Type: Improvement
Components: sql
Reporter: Sergey Kalashnikov
Assignee: Sergey Kalashnikov
Now ignite relies on H2 for SQL processing. It has been discussed many times on
dev list that we must start introducing our own SQL core in small incremental
steps.
Let's start with analyzing the options for implementing the parser part.
We may begin with http://www.antlr.org/ and create a simple separate project
that would generate the parser for some simple DDL commands like DROP INDEX.
This will give us a hint on the complexity and limitations of the approach.
1) Set up Maven/ANTLR.
2) Prepare lexer/parser.
3) Generate.
4) Write a test.
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