github dolthub/dolt v1.59.13
1.59.13

18 hours ago

Merged PRs

dolt

  • 9879: Fix dolt conflicts resolve for resolving one table at a time
    Fixes #9878
  • 9867: Bats test for branch create being replicated
  • 9855: Preemptively store extended adaptive values out-of-band if they're too large to fit in a Tuple
    Extended Adaptive values are values whose semantic meaning and serialization are defined by another module, and can be stored both inline in a tuple and out-of-band. It's currently used for text types in Doltgres.
    Previously, when writing tuples, these values would get initially written inline, and then moved to out-of-band if the total tuple length exceeded some threshold. However, this caused issues if the value was longer than the max tuple length, resulting in truncation. These values must always be written out of band, so we now do it pre-emptively.

go-mysql-server

  • 3235: Allow caching subqueries in a tree of joins.
    This is a follow-up to dolthub/go-mysql-server#3205, catching a previously missed case.
    In a tree like so:
    Join A
    ├─ Table
    └─ Join B
    ├─ SubQuery
    └─ Table
    
    We want to be able to cache the subquery result. But we weren't because we saw that the subquery was the leftmost child of a join (Join B) and it doesn't make sense to cache the leftmost child of a join.
    But really we should consider the subquery to be a child of Join A, where it isn't the leftmost child. That is to say, encountering a join node while we're already walking a join tree shouldn't cause the cacheSubqueryAliasesInJoins to treat it as a new join.
    This allows for more subquery caching in places that would benefit from it.
  • 3234: #9873: Add tests for FOR UPDATE OF
    Fixes #9873
  • 3232: Add TEXT(m) support
    Fixes #9872
    Companion dolthub/vitess#435
  • 3231: Push filters down into join condition
    fixes #9868
    doltgres test updated in dolthub/doltgresql#1887
  • 3227: #9857: Add UUID_SHORT() support
    Fixes #9857
    Companion dolthub/docs#2676
  • 3226: fix Expressions() of TableFunctionWrapper to make the function expression visible

vitess

Closed Issues

  • 9873: Airflow standalone syntax error for update of
  • 9872: Support for mysql Text(m)
  • 7302: Scientific notation in strings should not be honored when converting to an integer type
  • 9868: Filter gets dropped after join optimization
  • 7207: division operation should not truncate the result if it's in another function.
  • 9878: Getting autocommit error using dolt conflicts resolve for one of many tables on the CLI
  • 9857: Missing function uuid_short()

Performance

Read Tests MySQL Dolt Multiple
covering_index_scan 1.82 0.65 0.36
groupby_scan 14.21 18.95 1.33
index_join 1.52 2.43 1.6
index_join_scan 1.47 1.39 0.95
index_scan 34.33 30.26 0.88
oltp_point_select 0.21 0.28 1.33
oltp_read_only 3.82 5.28 1.38
select_random_points 0.36 0.58 1.61
select_random_ranges 0.39 0.61 1.56
table_scan 34.33 31.94 0.93
types_table_scan 75.82 130.13 1.72
reads_mean_multiplier 1.24
Write Tests MySQL Dolt Multiple
oltp_delete_insert 8.43 6.55 0.78
oltp_insert 4.18 3.25 0.78
oltp_read_write 9.22 11.65 1.26
oltp_update_index 4.25 3.3 0.78
oltp_update_non_index 4.18 3.19 0.76
oltp_write_only 5.28 6.43 1.22
types_delete_insert 8.58 6.91 0.81
writes_mean_multiplier 0.91
TPC-C TPS Tests MySQL Dolt Multiple
tpcc-scale-factor-1 93.38 39.38 2.37
tpcc_tps_multiplier 2.37
Overall Mean Multiple 1.51

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