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  1. MariaDB ColumnStore
  2. MCOL-4778

Recursive CTE Crashing MariaDB - fix crash produce err

Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 5.6.1
    • 6.4.1
    • None
    • None

    Description

      CREATE DATABASE transportation;
      		 
      CREATE TABLE transportation.bus_routes (origin varchar(50), dst varchar(50)) engine=columnstore;
      		 
      INSERT INTO transportation.bus_routes VALUES
      		 
        ('New York', 'Boston'),
      		 
        ('Boston', 'New York'),
      		 
        ('New York', 'Washington'),
      		 
        ('Washington', 'Boston'),
      		 
        ('Washington', 'Raleigh');
      		 
      WITH RECURSIVE bus_dst as ( 
          SELECT origin as dst FROM transportation.bus_routes WHERE origin='New York' 
        UNION
      		 
          SELECT bus_routes.dst FROM transportation.bus_routes JOIN bus_dst ON bus_dst.dst= bus_routes.origin 
      ) 
      SELECT * FROM bus_dst;

      ERROR 2006 (HY000): MySQL server has gone away

      Attachments

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. MCOL-5202 SELECT joining two empty Columnstore tables and involving recursive CTE crashes server

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

          New Feature - A new feature of the product, which has yet to be developed. MCOL-5142 Support for recursive CTE

          • Critical - Crashes, loss of data, severe memory leak.
          • Confirmed

          Activity

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            David.Hall David Hall (Inactive) added a comment -

            Verified crash in 6.1.1

            David.Hall David Hall (Inactive) added a comment - Verified crash in 6.1.1
            alexey.vorovich alexey vorovich (Inactive) added a comment -

            denis0x0D thnks
            1. i opened a relat ticket for full support . linked here
            2. made fixed in 641
            3. do we make PR for develop at the same time ??

            alexey.vorovich alexey vorovich (Inactive) added a comment - denis0x0D thnks 1. i opened a relat ticket for full support . linked here 2. made fixed in 641 3. do we make PR for develop at the same time ??
            dleeyh Daniel Lee (Inactive) added a comment -

            Build verified: 4.6.1-1 (#4680)

            MariaDB [mytest]> WITH RECURSIVE bus_dst as ( 
                ->     SELECT origin as dst FROM transportation.bus_routes WHERE origin='New York' 
                ->   UNION
            		 
                ->     SELECT bus_routes.dst FROM transportation.bus_routes JOIN bus_dst ON bus_dst.dst= bus_routes.origin 
                -> ) 
                -> SELECT * FROM bus_dst;
            		 
            ERROR 1178 (42000): The storage engine for the table doesn't support Recursive CTE

            dleeyh Daniel Lee (Inactive) added a comment - Build verified: 4.6.1-1 (#4680) MariaDB [mytest]> WITH RECURSIVE bus_dst as ( -> SELECT origin as dst FROM transportation.bus_routes WHERE origin='New York' -> UNION -> SELECT bus_routes.dst FROM transportation.bus_routes JOIN bus_dst ON bus_dst.dst= bus_routes.origin -> ) -> SELECT * FROM bus_dst; ERROR 1178 (42000): The storage engine for the table doesn't support Recursive CTE

            People

              sergey.zefirov Sergey Zefirov
              toddstoffel Todd Stoffel (Inactive)
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              Dates

                Created:
                Updated:
                Resolved:

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