github dolthub/dolt v1.15.0
1.15.0

latest releases: v1.43.0, v1.42.20, v1.42.19...
12 months ago

This release contains backwards incompatible changes:

  • Servers running as remote replicas now pull divergent remote heads (e.g. those pushed with dolt push -f) by default. This setting is controlled by the server variable @@dolt_read_replica_force_pull. This variable previously had a default of 0, and now defaults to 1. To restore the previous behavior on remote replicas, run set @@persist.dolt_read_replica_force_pull = 0 and restart the server.
  • Certain stored procedures have a different result schema. dolt_gc and dolt_backup previously returned 1 for success and 0 for failure, and this has been reversed. Additionally, dolt_backup, dolt_fetch, dolt_gc, and dolt_push have changed the name of the column in their result schema, from success to status.

Per Dolt’s versioning policy, this is a minor version bump because applications written for older versions of dolt may need changes to continue functioning the same.

Merged PRs

dolt

  • 6654: Standardize stored procedure success output messages
    Standardizes stored procedures that report a success/failure message to print Status of 0 on success and Status of 1 on failure. Changes from the old output of printing Success of 1 on success and Success of 0 on failure.
  • 6651: fixes log panic
    Fixes panic when calling log in non-dolt repo by adding missing return statement.
  • 6647: fix formatting issue in status
    fixes missing line break in dolt status when up to date with remote
  • 6635: Change default of replication pull to force
    Fixes #6627
    This change alters the default of @@dolt_read_replica_force_pull from 0 to 1. By default, read replicas will now always pull from the remote, even when the current head has diverged (such as in the case of a commit --amend or push -f to the remote).
    Also changes dolt pull to automatically perform merges on the remote tracking branch as needed -- previously we required that this be a fast-forward merge only, which means that you couldn't pull down a force-pushed commit without a lot of other commands and headache.
    Also fixes a bug where boolean values couldn't be persisted with on or off.

Closed Issues

  • 6653: Parse unique parameters for MySQL's MERGE engine.
  • 6627: Amending commits on a primary breaks remote based replication
  • 6645: Support TABLE_CHECKSUM as an alias for CHECKSUM
  • 6632: Parse SECONDARY_ENGINE parameter in queries
  • 6642: Support MySQL TABLE statement.
  • 6585: Support for JSON modification functions

Latency

Read Tests MySQL Dolt Multiple
covering_index_scan 2.07 2.91 1.4
groupby_scan 13.22 18.28 1.4
index_join 1.27 4.74 3.7
index_join_scan 1.21 2.22 1.8
index_scan 33.12 58.92 1.8
oltp_point_select 0.14 0.39 2.8
oltp_read_only 2.71 7.17 2.6
select_random_points 0.31 0.7 2.3
select_random_ranges 0.37 0.95 2.6
table_scan 33.12 58.92 1.8
types_table_scan 74.46 167.44 2.2
reads_mean_multiplier 2.2
Write Tests MySQL Dolt Multiple
bulk_insert 0.001 0.001 1.0
oltp_delete_insert 5.77 5.99 1.0
oltp_insert 2.71 3.13 1.2
oltp_read_write 6.43 14.21 2.2
oltp_update_index 2.66 3.07 1.2
oltp_update_non_index 2.97 2.97 1.0
oltp_write_only 3.82 7.17 1.9
types_delete_insert 6.43 6.32 1.0
writes_mean_multiplier 1.3
Overall Mean Multiple 1.8

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