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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

Fixed

  • Do not cancel context for async queries on success (#859)
  • sql: information schema column types should be lowercase (#851)

Changed

  • Add progress for each partition in SHOW PROCESSLIST (#855)
  • Change BLAME to also take a file parameter.

[0.24.0-rc3] - 2019-10-23

Fixed

  • Only optimize sorted DISTINCT if the first column on the order by is on the distinct schema. (#976)
  • Avoid possible panics in LOC by using a safe cache accessor.
  • sql: Add length to VARCHAR and CHAR MySQLTypeName strings in SHOW CREATE TABLE output.

Added

  • Added BLAME function.
  • Better error messages for index failures.
  • Implemented subquery expressions.
  • Added support for 24-bit integers (MySQL's MEDIUMINT)

Changed

  • Use the minimum integer size as necessary when parsing literals.

[0.24.0-rc2] - 2019-10-02

Fixed

  • plan: return types in lowercase in SHOW CREATE TABLE (#827)
  • analyzer: do not erase sort node when pushing it down (#818)
  • Fixed null errors during value comparisons (#831)
  • plan: fix race conditions in Exchange node
  • Add CHAR and DATETIME types support (#823)
  • Also check sockets bind to tcp6 and fail on all closed sockets (#824)

Changed

  • Added LIKE test with newlines (#820)
  • Convert LIKE patterns to specific Go regexes (#817)

[0.24.0-rc1] - 2019-09-19

Added

  • function: use new caches from go-mysql-server (#957)

Changed

  • go-borges library was updated to 0.1.3:
    • support metadata reloading issue
    • speedup loading legacy sivas with lots of references issue
    • fix bug that misplaced location metadata issue

[0.24.0-beta3] - 2019-07-31

Added

  • uast_imports function to gather import paths from an UAST.
  • sql: implement memory management system for caches (#802)
  • function: implement regexp_matches (#794)

Fixed

  • Added a checker that will detect dead sockets before the timeout (Linux only)
  • Make Sleep check for cancelled context every second (#798)

[0.24.0-beta2] - 2019-07-31

Changed

  • When it's added the -v verbose flag, gitbase will use debug as logging level, ignoring any other passed (#935)

Fixed

  • If using docker image, and info logging level, it will be now used instead of debug (#935)
  • sql/analyzer: fix order by resolution for all nodes (#793)
  • sql: fix SQL method for arrays of JSON (#790)

[0.24.0-beta1] - 2019-07-08

Added

  • Varchar type.
  • FIRST and LAST aggregations.
  • Count distinct aggregation.

Changed

  • Errors now report the repository causing the error, if possible.
  • Switch some types of known or maximum length (mostly hashes and emails) to VarChar with a size.
  • Traces now have a root span.
  • New API for node transformations.

Fixed

  • Fixed the behaviour of limit and offset.
  • Resolution of HAVING nodes.

[0.23.1] - 2019-07-05

Fixed

  • Fix the results of files table by not using git log.

[0.23.0] - 2019-07-04

Changed

  • Now non rooted siva files support old siva rooted repositories.

[0.22.0] - 2019-07-03

Added

  • Now gitbase uses go-borges to access repositories
    • The type of files in each directory has to be specified (#867)
    • Supports new rooted repository format and separates references and objects from each repo (src-d/borges#389)

Changed

  • Changed cli to be able to specify different formats (#866)

Fixed

  • function: correctly transform up explode nodes (#757)
  • git libraries bare or non bare format is automatically detected (#897)
  • Fix bug that created multiple object cache with incorrect size (#898)
  • sql/expression: handle null values in arithmetic expressions (#760)
  • Panic on query using EXPLODE (#755)
  • Fixed error iterating over non ready repositories (src-d/go-borges#54)
  • Error saying value could not be converted to bool.
  • function: make array_length not fail with literal null (#767)
  • server: kill queries on connection closed ((#769))

[0.22.0-rc2] - 2019-06-24

Fixed

  • Panic on query using EXPLODE (#755)
  • Fixed error iterating over non ready repositories (src-d/go-borges#54)
  • Error saying value could not be converted to bool.
  • function: make array_length not fail with literal null (#767)

[0.22.0-rc1] - 2019-06-21

Added

  • Now gitbase uses go-borges to access repositories
    • The type of files in each directory has to be specified (#867)
    • Supports new rooted repository format and separates references and objects from each repo (src-d/borges#389)

Changed

  • Changed cli to be able to specify different formats (#866)

Fixed

  • function: correctly transform up explode nodes (#757)
  • git libraries bare or non bare format is automatically detected (#897)
  • Fix bug that created multiple object cache with incorrect size (#898)
  • sql/expression: handle null values in arithmetic expressions (#760)

[0.22.0-beta1] - 2019-06-20

Added

  • Now gitbase uses go-borges to access repositories
    • The type of files in each directory has to be specified (#867)
    • Supports new rooted repository format and separates references and objects from each repo (src-d/borges#389)

Changed

  • Changed cli to be able to specify different formats (#866)

Fixed

  • function: correctly transform up explode nodes (#757)

[0.21.0] - 2019-06-20

Known bugs

Added

  • Added json_unquote function.
  • Added commit_file_stats function.
  • Added documentation about commit_stats.
  • Add metrics (engine, analyzer, regex, pilosa) based on go-kit interface. (#744)
  • commit_files is now squashable with blobs.
  • Moved to Go modules.
  • Add COMMIT_STATS function
  • sql: implement EXPLODE and generators (#720)

Changed

  • Removed vendor folder.
  • Upgrade enry to version v2.0.0.
  • Switch gocloc to version v0.3.0.
  • Upgrade vitess to v1.8.0 (#738)
  • Upgrade bblfsh to v4.1.0.
  • Upgrade gocloc to latest master 764f3f6ae21e.

Fixed

  • bblfsh aliases are now handled correctly (#728).
  • sql: correctly handle nulls in SQL type conversion (#753)
  • sql/parse: error for unsupported distinct on aggregations (#869)
  • internal/function: gracefully handle errors in commit_stats.
  • internal/function: take into account if repository is resolved in commit_stats (#863)
  • internal/function: Files field in commit_stats contains now proper results.
  • Fix parsing of quoted identifiers in SHOW CREATE TABLE queries (#737)
  • sql/analyzer: back-propagate expression names after adding convert (#739)
  • sql/expression: allow null literals in case branches (#741)
  • sql/plan: make LEFT and RIGHT join work as expected (#743)

[0.21.0-beta3] - 2019-06-19

Fixed

  • bblfsh aliases are now handled correctly (#728).
  • sql: correctly handle nulls in SQL type conversion (#753)
  • sql/parse: error for unsupported distinct on aggregations (#869)

[0.21.0-beta2] - 2019-06-18

Added

  • Added json_unquote function.
  • Added commit_file_stats function.
  • Added documentation about commit_stats.
  • commit_files is now squashable with blobs.
  • Add metrics (engine, analyzer, uast, pilosa) based on go-kit interface. (#744).
  • Expose (if enabled) prometheus metrics over http (#815).

Changed

  • Removed vendor folder.
  • Upgrade enry to version v2.0.0.
  • Switch gocloc to version v0.3.0.

Fixed

  • internal/function: gracefully handle errors in commit_stats.
  • internal/function: take into account if repository is resolved in commit_stats (#863)
  • internal/function: Files field in commit_stats contains now proper results.

[0.21.0-beta1] - 2019-06-12

Added

  • Moved to Go modules.
  • Add COMMIT_STATS function
  • sql: implement EXPLODE and generators (#720)

Changed

  • Upgrade vitess to v1.8.0 (#738)
  • Upgrade bblfsh to v4.1.0.
  • Upgrade gocloc to latest master 764f3f6ae21e.

Fixed

  • Fix parsing of quoted identifiers in SHOW CREATE TABLE queries (#737)
  • sql/analyzer: back-propagate expression names after adding convert (#739)
  • sql/expression: allow null literals in case branches (#741)
  • sql/plan: make LEFT and RIGHT join work as expected (#743)

[0.20.0] - 2019-05-30

Known Issues

  • After updating Vitess MySQL server, we are having some problems connecting from JDBC MariaDB drivers (#807) (vitessio/vitess#4603)

Added

  • function: implement is_vendor function (#830)
  • Suggest table/column/indexes names on missing errors
  • sql: HAVING clause
  • Support SHOW SCHEMAS (upgrade vitess to v1.6.0) (src-d/go-mysql-server#696)
  • function: LOC function implementation (#798)
  • sql/expression: new DATE function
  • sql: add support for intervals, DATE_SUB and DATE_ADD
  • sql: from_base64 and to_base64 functions
  • sql: add SLEEP function
  • COUNT expression now returns an int64 number instead of int32 src-d/go-mysql-server#642
  • Dockerfile: include zero-config MySQL client #737
  • uast_extract function now returns a JSON for pos instead of a custom format #715

Documentation

  • docs: expand optimization guide on early filtering (#837)
  • Now all relevant go-mysql-server documentation is directly accessible from gitbase docs instead of pointing to external links.
  • Docs: document in-memory joins in optimization docs #742

Performance

Changed

  • COUNT expression is returning now int64 instead of int32
  • uast_extract function now returns a JSON for pos instead of a custom format
  • Now relative paths are used as repository_id instead of folder name

Fixed

  • avoid panic when there are no fetch URLs in remote config (#836)
  • upgrade go-mysql-server and gocloc (#831)
  • rule: fix squash rule with convert_dates
  • cmd/server/commands: use relative path as id instead of last part (#816)
  • handle backslashes correctly
  • sql/plan: make sure outdated indexes can be dropped
  • sql/analyzer: correctly qualify aliases with the same name as col
  • Fix validation rule to detect tuples in projections or groupbys (src-d/go-mysql-server#672)
  • sql/analyzer: only check aliases to qualify in the topmost project (src-d/go-mysql-server#690)
  • Fix special case for aggregation in ORDER BY
  • Try to order by function (src-d/go-mysql-server#692)
  • Don't skip repositories for remotes table with more than 1 URL #789
  • server: correctly set binary charset on blob fields
  • sql/parse: allow qualified table names on SHOW CREATE TABLE
  • plan: types in lowercase on SHOW CREATE TABLE
  • Skip a directory if gitbase has no permission to read it #738
  • Close iterators correctly to avoid too many open files error #772
  • Check projection aliases when assigned to index src-d/go-mysql-server#639
  • Add charset to fields to avoid invalid column types when using JDBC clients src-d/go-mysql-server#637
  • Fix prune columns for describe queries src-d/go-mysql-server#634
  • Allow all expressions in grouping, resolve order by expressions src-d/go-mysql-server#633
  • KILL query always takes processlist_id src-d/go-mysql-server#636
  • Recover panic for partitions src-d/go-mysql-server#626