Konstantin Orlov created IGNITE-17765: -----------------------------------------
Summary: Sql. Introduce cache for parsed statements Key: IGNITE-17765 URL: https://issues.apache.org/jira/browse/IGNITE-17765 Project: Ignite Issue Type: Improvement Components: sql Reporter: Konstantin Orlov Parsing of a SQL statement is fairly expensive operation. We could reduce query processing time by introducing a cache of statement text to parsed syntax tree. Suggested solution is as follow: when query text is passed to a query processor, it should be parsed first, then we need to check if such statement is already in a statements cache. If it is not, then statementId (type of long, locally unique) should be assigned to the statement and pair <statementId, parsed tree> should be passed next to the query optimizer. Query optimizer, in turn, check if the query with given statementId is alredy optimized. -- This message was sent by Atlassian Jira (v8.20.10#820010)