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  1. Ignite
  2. IGNITE-17360

Sql. Introduce cache for parsed sql AST

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Duplicate
    • None
    • None
    • sql

    Description

      According to the flamegraph.svg, parsing of the SQL statement takes about 2.7% of time even for the most simplest statement like select * from t_name. We could mitigate this problem by introducing a cache for a parsed statements.

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        is duplicated by

        Improvement - An improvement or enhancement to an existing feature or task. IGNITE-17765 Sql. Introduce cache for parsed statements

        • Major - Major loss of function.
        • Resolved
        split to

        Task - A task that needs to be done. IGNITE-17361 Sql. Investigate low performance of sql parser

        • Major - Major loss of function.
        • Open

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            Unassigned Unassigned
            korlov Konstantin Orlov
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