CHANGELOG.md

Change Log

Version 0.43.0 (2026-03-09)

• Support = operator between Raw expressions.
• Support != operator between Raw expressions.
• Migrate to Gix 0.80.0.
• Fix out of index panic when groups length is zero.
• Handling optional commit author and committer.
• Add interval to supported types.

Version 0.42.0 (2025-11-16)

• Support postgresql syntax of intervals.
• Migrate to Gix 0.74.1.

Version 0.41.0 (2025-10-05)

• Support postgresql style for defining number literal.
  • SELECT 0b_100_101, 0B_100_11001, 0o_273, 0O_755, 0x_42f, 0X_FFFF
• Support C-style block comments.
• Support Unary plus operator.
• Implement cardinality function for array.

Version 0.40.0 (2025-08-03)

• Extend the list of string representation of true & false state.
• Always check the posibility for implicit casting before explicit one.
• Support inf keyword as alias for infinity.
• Add support for Range lower and upper bounds.
• Implement Row type and value.
• Add support for Row keyword.

Version 0.39.0 (2025-06-06)

• Improve the printers to catch pipe errors.
• Allow OFFSET to take variable expression.
• Extend DO command to execute one or more expression.
• Implement QUALIFY statement.
• Migrate to Gix 0.72.1.

Version 0.38.0 (2025-04-20)

• Improve Invalid table name diagnostic to suggest the closest correct name.
• Support output yaml format.
• Implement theme customization for table printer.
• Migrate to Gix 0.71.0.

Version 0.37.0 (2025-02-23)

• Implement Group Comparison Expression Expr <Op> <ALL | ANY | SOME> Expr.
• Implement Group Comparison Expression for Int, Float, Text, and Bool types.
• Implement Group Comparison Expression for Date, Time and DateTime types.
• Improve the unresolved table error message.
• Fix number of required arguments error message.
• Fix type checker case of variant.

Version 0.36.0 (2025-01-27)

• Implement Interval type, value and ast node.
• Fix token position after consuming comments.
• Add support for interval +, -, * and /operators.
• Add support for interval = and != operators.
• Add support for interval >, >=, < and <= operators.
• Check that interval value in range -170M to 170M.
• Add support for + and - operator between Date and Int.
• Implement justify_days, justify_hours interval functions.

Version 0.35.0 (2025-01-04)

• Fix implicit casting RHS with greater operator.
• Improve implicit casting when applying operators.
• Implement DIFF_CHANGED_FILES diff function.
• Improve calculating diff line stats.
• Introduce a new table for diffs_changes to perform analysis on every change.
• Fix the order of applying distinct operator plan.

Version 0.34.0 (2024-12-30)

• Allow LogicalExpr to return dynamic type depend on operands.
• Speedup selecting from diffs table by 58.36% (In Gitql repo from 6.001383125s to 2.4985875s) #124.
• Speedup selecting from refs table by 32.45% (In Gitql repo from 5.367084ms to 3.625292ms).
• Support overriding LIKE, GLOB and REGEXP for user defined types.
• Introduce diff_changes column in diffs table to store changes.
• Rename deletions columns to removals in diff table.
• Implement DIFF_CONTENT, DIFF_ADDED_CONTENT, DIFF_DELETED_CONTENT and DIFF_MODIFIED_CONTENT functions in GitQL App scope.
• Implement DIFF_CONTENT_CONTAINS and DIFF_ADDED_CONTENT_CONTAINS functions in GitQL App scope.
• Implement DIFF_DELETED_CONTENT_CONTAINS and DIFF_MODIFIED_CONTENT_CONTAINS functions in GitQL App scope.
• Implement DIFF_FILES_COUNT and IS_DIFF_HAS_FILE functions in GitQL App scope.
• Create constructors for Types and Values that make it easy to create instance.

Version 0.33.0 (2024-12-18)

• Check for repositories in the script mode.
• Support Const String as Alias.
• Fix show tables query.
• Support Implicit casting in both direction of binary expressions.
• Support Window functions.
• Support ORDER BY in window function over clause.
• Support named Window over clauses.
• Improve resolving variable arguments of dynamic type ...Dynamic.
• Implement FIRST_VALUE, NTH_VALUE, LAST_VALUE window functions.
• Implement ROW_NUMBER window function.
• Support Partition by clause in Window definition.
• Aggregation and Window function arguments by reference.
• Support NULLS FIRST and NULLS LAST in ORDER BY statement.
• Report error where window or aggregate value is used before evaluation.
• Improve the performance of filtering operator.

Version 0.32.0 (2024-11-30)

• Support Contained By expression using @> operator for Array, Range.
• Support Contained By expression using <@ operator Array, Range.
• Change Between Expr syntax to be BETWEEN X AND Y.
• Supports Between [Symmetric | Asymmetric] X AND Y kinds.
• Supports NOT BETWEEN expression.
• Support NOT LIKE expression.
• Support Explicit cast from Date to DateTime.
• Generate different name for column and hidden selections.
• Improve the structure of the Tokenizer.
• Implement TO_HEX Text Function.
• Support Escape characters in the Tokenizer.
• Implement Scripting mode from external file.
• Support NOT as prefix unary operator.
• Prefix unary expression Bitwise not.

Version 0.31.0 (2024-11-12)

• Implement Cast function call expression CAST(expr AS <Type>).
• Implement Cast operator expr::<type>.
• Created the TypesTable component to register types and aliases.
• Fix schema datetime and updated types from Date to DateTime.
• Fix consuming table name twice.

Version 0.30.0 (2024-11-08)

• Implement Composite type.
• Implement Member access expression for Composite type.
• Replace atty with std is_terminal.
• Improve order of iterating over composite type members.

Version 0.29.0 (2024-10-30)

• Implement Dynamic type system.
• Implement new Dynamic values system.
• Improve the output printer implementation.
• Change the analysis format to be similar to popular engines.
• Implement benchmark function.
• Implement Bitwise XOR operator for integers.
• Implement Contained By expression using <@ operator.
• Speedup order by statement by using pre eval map.
• Support multi lines and unicode in LIKE and REGEX expressions.
• Improve error message for invalid column name.
• Improve safety check for std or aggregation signature.
• Migrate to Gix 0.67.0.
• Integrate with LineEditor.

Version 0.28.0 (2024-09-27)

• Enable LTO (Link time optimization).
• Optimize set alias for selected expression.
• Handle groups rows elemenations in case group by don't create extra groups #117.
• Implement contains operator for Range in other Range.
• Implement IF, IFNULL general functions.
• Implement ARRAT_POSITIONS, TRIM_ARRAY array functions.
• Implement ISEMPTY range function.
• Implement WITH ROLLUP feature.
• Implement ORDER BY ... USING <operator> feature.
• Implement Overlap operator for Arrays and Ranges.
• Remove hidden selection information from the render.
• Handle WITH ROLLUP edge case for using one column only in grouping.
• Improve classifying columns on tables.

Version 0.27.0 (2024-09-07)

• Improve comparing Arrays values.
• Support Range data types.
• Simplify the dynamic types helper functions.
• Update ARRAT_POSITION signature.
• Implement int4range, daterange, tsrange range function.
• Implement ARRAY_PREPEND, ARRAY_REMOVE Array functions.
• Implement ARRAY_APPEND, ARRAY_REPLACE Array functions.
• Implement BIT_XOR, ARRAY_AGG Aggregation functions.
• Organize the std functions registers. ]- Improve the type checker to resolve dynamic types in arguments.
• Implement Contains operator @> between Range and Element.

Version 0.26.0 (2024-08-17)

• Fix iagnostic position when parsing undefined symbol.
• Improve handle error in data provider.
• Don't apply CROSS join operator if one of the tables is empty.
• Update docs for new Data provider design.
• Remove un needed code for remove hidden selection after engine.
• Support exponentiation operator.
• Optimize the calling of data provider if table is empty.
• Implement Select ... INTO OUTFILE.
• Support INTO OUTFILE Terminated options and enclosed.
• Implement Select ... into dumpfile feature.
• Improve error messages when use options with dumpfile.

Version 0.25.0 (2024-07-09)

• Support JOIN more than two tables togther in same query.
• Handle hidden selection with multi tables.
• Support query datetime from diffs table.
• Implement LEFT, RIGHT, INNER and CROSS JOINS operation.
• Implement JOIN predicate using ON keyword.
• Simplifiy the DataProvider Design.
• Implement Bitwise xor operator.
• Change XOR operator to match postgresql.
• Implement ARRAY_SHUFFLE Array function.
• Implement ARRAY_POSITION Array Function.
• Implement ARRAY_DIMS Array Function.
• Support Infinity and NaN values.
• Support OUTER keyword.

Version 0.24.0 (2024-06-21)

• Fix passing global variable value to function call.
• Support slice with default start and end and optimize it.
• Implement PostgreSQL DISTINCT ON operator.
• Support GROUP BY one or more expression.
• Improve the parse and performance of DESCRIBE query.
• Support PostgreSQL boolean values literals.
• Support query parents_count of commit.
• Support query committer_name and committer_email of commit.
• Rename name and email to author_name and author_email of commit.
• Support commit_conventional function in gitql application.
• Support implicit casting in WHERE statement.
• Support implicit casting in HAVING statement.

Version 0.23.0 (2024-06-13)

• Fix resolving return type of function with Dynamic and depend on Variant types.
• Fix Projection check for symbols after select statement.

Version 0.22.1 (2024-06-12)

• Hot fix type checker if eval expression without table.

Version 0.22.0 (2024-06-12)

• Allow using column native name in condition after alias it
• Implement Slice expression for Collection [start : end].
• Implement Slice expression for Collection with optional start and end.
• Fix calling function without table name.
• Improve projection columns type checker

Version 0.21.0 (2024-06-07)

• Implement bit_and and bit_or Aggregation function.
• Implement Array literal and Index expression.
• Implement Index expression for Multi dimensions arrays.
• Implement Index expression and fix exception handling.
• Implement array_length Array function.
• Fix runtime exception handling.

Version 0.20.0 (2024-05-31)

• Make COUNT() aggregation argument to be Option<Any>.
• Replace lazy_static crate by std::sync::OnceLock.
• Migrate to gix 0.63.0.
• Fix hidden selection in group by statement.
• Implement GROUP_CONCAT Aggregation function.
• Catching function argument with undefined type.
• Update Regex expression implementation to not converted to call.
• Introduce gitql-core and gitql-std to allow dynamic std.
• Implement BIN Text function.
• Implement bool_and and bool_or aggregation functions.

Version 0.19.1 (2024-05-19)

• Fix Count aggregation function parameter type.

Version 0.19.0 (2024-05-18)

• Improve the structure of the parser.
• Support string literal with single quotes.
• Improve the Type checker to allow mix of optional and varargs parameters.
• Implement UUID general function.
• Implement STR TExt function.

Version 0.18.0 (2024-04-26)

• Support unicode in the tokenizer.
• Migrate to latest chrono and make clippy happy.
• Support query branch last active date as updated column.
• Update gix version to 0.62.0.

Version 0.17.0 (2024-04-05)

• Implement RAND Math functions.
• Implement REGEXPR expression.
• Implement NOT REGEXPR expression.
• fix: Diagnostic position for invalid table name.
• Update gix version to 0.61.0.

Version 0.16.0 (2024-03-15)

• Fix Implicit casting with variant type.
• Support DIV and MOD keywords.
• Implement REGEXP_INSTR, REGEXP_LIKE, REGEXP_REPLACE and REGEXP_SUBSTR Regex function.
• Implement DATE, MINUTE, MONTH, LAST_DAY Date functions.
• Implement WEEKOFYEAR, WEEKDAY, YEARWEEK Date functions.
• Update gix version to 0.60.0.

Version 0.15.0 (2024-03-01)

• implement 'describe table_name' to show fields and types of a table.
• Add mysql like show tables statement to list all available tables.
• Implement DAYOFWEEK, DAYOFMONTH and DAYOFYEAR Date functions.
• Implement QUARTER, YEAR and TO_DAYS Date function.
• Implement QUOTENAME String function.
• Fix Parsing function without right paren at the end

Version 0.14.0 (2024-02-16)

• Implement DataProvider interface to allow custom data.
• Implement Data Schema component to allow custom data schema.
• Improve ROUND implementation to supports decimal places.
• Implement MOD function.
• Implement Dynamic DataType to be calculated depending on other types.

Version 0.13.0 (2024-01-25)

• Make SING function accept Int or Float type.
• Implement CONCAT_WS Text function.
• Fix Minus unary operator for f64.
• Implement exporting data as JSON, CSV.
• Implemnet DAY Date function
• Fix not reporting diagnostic when date or time format has number out of range.
• Perform projection operator before export as JSON, CSV.
• Fix the order of parsing prefix unary with binary expression.
• Handle passing 0 tokens to the parser.

Version 0.12.0 (2024-01-13)

• Change GitQLObject structure to get more speedup and keep values sorted.
• Supports LIMIT OFFSET shorthand inspired by MySQL.
• Implement HOUR Date functions.
• Implement STRCMP Text Function.
• Implement GREATEST, LEAST General function.
• Implement ISDATE Date function.
• Optimize in expression in case of empty list.
• Add Support for NOT IN expression.
• Report error if user write un expected content after valid statement.
• Fix Date and DateTime incorrect equals #71.
• Allow BETWEEN to work with any type.
• Fix ArithmeticExpression expr_type if any side is float.

Version 0.11.0 (2023-12-29)

• Support Assignment expressions @name := value.
• Allow Assignment expressions to store aggregation value.
• Allow lazy evaluate any expression that has aggregation value.
• Prevent assign aggregation value to global variable with SET statement.
• Support creating identifier using backticks.
• Support Either type in the type system.
• Support Optional type in the type system.
• Support Varargs type in the type system.
• Implement ACOS, ATAN, ATN2 and SIGN Math functions.
• Implement CHARINDEX Text function.
• Implement DAYNAME, MONTHNAME Date functions.
• Update CONCAT Text function to accept 2 or more Text values.
• Support Aggregation MAX, MIN to work with different types.
• Support Implicit Type casting for Function arguments.
• Revamp GQLError to a new Diagnostic representation.
• Migrate to Gix v0.57.0.
• Update CONCAT function to work with any value type.

Version 0.10.0 (2023-12-08)

• Migrate from git2 to gix.
• Implement ASIN function.
• Implement TAN function.
• Use current directory as repository path if no path is passed.
• Implement --query | -q flat to run a single query without repl mode.
• Support receiving input from a pipe or file redirection.
• Support consuming ; at the end of query main statement.
• Support User defined variables.
• Suppoer := operator.

Version 0.9.0 (2023-11-25)

• Preallocate the attributes hash with row length.
• Fix Clippy comments and setup CI for Lint and Format.
• Implement typeof function.
• Implement ROUND function.
• Make Identifiers case-insensitive.
• Support <=> operator.
• Implement SIN function.
• Implement COS function.
• Support Implicit casting Text to Time.
• Support Implicit casting Text to Date.
• Support Implicit casting DateTime to Text.

Version 0.8.0 (2023-11-10)

• Support GLOB keyword.
• Support DISTINCT keyword.
• Make sure SELECT * used with specific table.
• Migrate from Prettytables-rs to comfy-table for render tables.
• Support optional Pagination with user custom page size.
• Support <> Operator.
• Implement PI function.
• Implement FLOOR function.

Version 0.7.2 (2023-10-26)

• Support NULL keyword.
• Implement ISNULL, ISNUMERIC functions.
• Handle crash for undefined symbol as argument at runtime.

Version 0.7.1 (2023-09-26)

• Implement NOW function.
• Fix handling grouping with aggregations.
• Print Date and DateTime with formats.

Version 0.7.0 (2023-09-22)

• Support Like Expression.
• Remote un needed Check expression.
• Support order by any expression.
• Ignore input if its empty or new line.
• Update Git2 version from 0.17.1 to 0.18.0.
• Implement 20 Text Functions #13 by @Lilit0x and @tbro.

Version 0.6.0 (2023-09-06)

• Support << and >> overflow.
• Fix reporting error with out of index position.
• Implement Case expression.
• Support bang equal != for comparisons.
• Improve error message for unexpected token.
• Support negative numbers.
• Add repository path as a field for data all tables.
• Make function name case-insensitive.
• Implement Text reverse, replicate, ltrim, rtrim function..
• Select the same field twice.
• Optimize engine to work on one repo only if table name is empty.
• Fix merging empty groups.
• Add custom error message for invalid use of asc and desc.
• Fix resolving symbols.
• Fix name alias for non symbols.
• Fix name alias for aggregation function.
• Use aggregation function after select statement.
• Don't allow using aggregation in where statement.
• Fix hidden selections.
• Alias the same name twice.
• Fix evaluate function before argument.

Version 0.5.0 (2023-08-23)

• Split the project into multi crates.
• Support query from multi repositories.
• Add CLI flag to enable/disable reporting analysis.
• Report error when WHERE or HAVING condition is not boolean.
• Introduce Runtime exceptions.
• Report runtime exception for divide by zero.
• Report runtime exception for reminder by zero.
• Report runtime exception for right and left shift overflow.

Version 0.4.1 (2023-07-19)

• Prevent crash and report more error messages.
• Make sure select statement is used before any other statement.
• Make sure having is used after group by expression.

Version 0.4.0 (2023-07-14)

• Support hex decimal number format.
• Support binary decimal number format.
• Support octal decimal number format.
• Support Aggregations function without selecting the field.
• Support Merging group if it only select aggregations.
• Implement Aggregation functions avg.
• Improve render performance.
• Allow calling aggregation function with upper or lower cases.

Version 0.3.0 (2023-07-07)

• Implement Aggregation functions count, max, min, sum.
• Implement insertions, deletations, file changes for diffs table.
• Remove un needed dependencies #4.
• Publish the project on crates.io.
• Create docs website.
• Support Number expression.
• Support Arithmetics operators.
• Support Bitwise operators.
• Support selecting commit id

Version 0.2.0 (2023-06-27)

• Support Aggregation Functions.
• Select number of commits for each branch.
• Add column alias name.
• Add Group by statement.
• Add Having statement.
• Support order by Ascending and Descending.
• Introduce simple type system with error messages.
• Report error messages for transformations.
• Allow engine to reorder the commands.
• Print output in table format.

Version 0.1.0 (2023-06-16)

• First release of GQL.