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  1. MariaDB Server
  2. MDEV-4201

LevelDB Storage Engine MS2

        Details

        • Type: Task
        • Status: Closed
        • Priority: Major
        • Resolution: Fixed
        • Fix Version/s: None
        • Component/s: None
        • Labels:
          None

          Description

          Implement LevelDB Storage Engine MS2 as described here: https://kb.askmonty.org/en/leveldb-storage-engine-ms2/

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                Task - A task that needs to be done. MDEV-4351 LevelDB: Build system must be able to find leveldb library

                • Major - Major loss of function.
                • Closed
                is part of

                Task - A task that needs to be done. MDEV-3841 LevelDB storage engine

                • Major - Major loss of function.
                • Closed
                1.
                		 LevelDB: Assertion `thd->is_error() || kill_errno' fails in ha_rows filesort Technical task Closed Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 2 hours
                 
                2.
                		 LevelDB: Server crashes in inline_mysql_mutex_lock on SELECT .. FOR UPDATE Technical task Closed Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 3 hours
                 
                3.
                		 LevelDB: Assertion `pack_info != __null' fails in LDBSE_KEYDEF::unpack_record Technical task Closed Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 7 hours, 30 minutes
                 
                4.
                		 LevelDB: Index-only scan by a field with utf8_bin collation returns garbage symbols Technical task Closed Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 4 hours, 30 minutes
                 
                5.
                		 LevelDB: Assertion `((keypart_map + 1) & keypart_map) == 0' fails in calculate_key_len Technical task Closed Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 45 minutes
                 
                6.
                		 LevelDB (and MyISAM): Wrong result (missing rows) with range access, prefix key on a char column Technical task Closed Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 2 hours, 30 minutes
                 
                7.
                		 LevelDB: Server crashes in LDBSE_KEYDEF::setup on dropping the primary key column Technical task Closed Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 1 hour
                 
                8.
                		 LevelDB: Server crashes in get_constant_key_infix on EXPLAIN with a select subquery Technical task Closed Sergei Petrunia  
                 
                9.
                		 LevelDB: Valgrind "blocks still reachable" warnings on plugin initialization Technical task Closed Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 1 hour
                 
                10.
                		 LevelDB: Valgrind "blocks are definitely lost" warnings on creating a table Technical task Closed Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 30 minutes
                 
                11.
                		 LevelDB: Wrong result (missing rows) with ORDER BY DESC LIMIT after seemingly unrelated DDL/DML Technical task Closed Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 2 hours, 30 minutes
                 
                12.
                		 LevelDB: Valgrind "Use of uninitialised value" warnings on inserting value into varchar field Technical task Closed Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 15 minutes
                 
                13.
                		 LevelDB: Inconsistent results comparing a char field with an int field Technical task Closed Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 15 minutes
                 
                14. LevelDB (actually optimizer): Wrong result (duplicate rows) with FROM subquery, range access Technical task Stalled Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 3 hours
                 
                15.
                		 LevelDB: Valgrind warnings 'Use of uninitialised value' on inserting into a varchar column Technical task Closed Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 2 hours, 30 minutes
                 
                16.
                		 LevelDB: Auto-increment value is not initialized correctly on non-empty tables Technical task Closed Sergei Petrunia  
                 
                17.
                		 LevelDB: Statements suspected to be unsafe cannot be executed when binary log is ON Technical task Closed Sergei Petrunia  
                 
                18.
                		 LevelDB: Valgrind warnings 'Invalid read' on delete in transactional context Technical task Closed Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 2 days, 2 hours
                 
                19.
                		 LevelDB: Wrong result of DELETE .. ORDER BY .. LIMIT: rows that should be deleted remain in the table Technical task Closed Sergei Petrunia

                100%
                Original Estimate - Not Specified Original Estimate - Not Specified
                Time Spent - 4 hours
                 

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                  psergey Sergei Petrunia added a comment -

                  An interesting problem: SQL layer calls ha_leveldb::index_flags() before the table is open. This means, index_flags() is called before we know datatypes of columns and can tell whether we support index_only for an index.

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                  psergey Sergei Petrunia added a comment - An interesting problem: SQL layer calls ha_leveldb::index_flags() before the table is open. This means, index_flags() is called before we know datatypes of columns and can tell whether we support index_only for an index.

                    People

                    • Assignee:
                      psergey Sergei Petrunia
                      Reporter:
                      psergey Sergei Petrunia
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                      Dates

                      • Created:
                        Updated:
                        Resolved:

                        Time Tracking

                        Estimated:
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                        Remaining:
                        Remaining Estimate - 0 minutes
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                        Logged:
                        Time Spent - 3 weeks, 3 hours, 15 minutes
                        3w 3h 15m