📝 Changelog

v1.8.3 (2025-09-22)

• ✨ DuckDB Add full support for importing from JSON and Parquet files
• 🔄 Improve the logic for determining query type execution: Now, when the QueryType is RAW, the builder uses RawQueryType rather than always QueryType

v1.8.2 (2025-09-21)

• ✨ Add debug logging to help tracing library bugs and query errors
• 🔧 DuckDB Fix duplicate RETURNING {column} rendering on INSERT

v1.8.1 (2025-09-20)

• ✨ DuckDB Add Query.OnConflict() support

v1.8.0 (2025-09-19)

• ✨ Add ReflectionCache
• ✨ Add ResultCache
• ✨ Add TinyText, MediumText and LongText column data types
• ✨ Add Query.WhereGreater<T>()
• ✨ Add Query.WhereGreaterEquals<T>()
• ✨ Add Query.WhereLower<T>()
• ✨ Add Query.WhereLowerEquals<T>()
• ✨ Add Query.Is<T>()
• ✨ Add Query.IsNot<T>()
• ✨ Add Query.WhereNotIn<T>()
• ✨ DuckDB Add Query.__GetColumnDefinition() data type check for column length in to avoid setting length to colum data types that do not allow it
• 🔄 Revamp Connector database connection management logic
• 🔄 Remove unused IConnectorManager
• 🔄 Update QueryBuilder enumerators logic
• 🔄 Update QueryBuilder.Execute<T>() to adjust to latest query execution flow changes
• 🔄 Connector generic database logic is now handled by base class and not by each implementation
• 🔄 PostgreSQL Update QueryBuilder._PrepareDbCommand() to add casted NpgsqlParameter to NpgsqlCommand instead of adding anonymous object
• 🔄 DuckDB Update Query.__GetMemberInfoDuckDBParameter() to convert whole numbers to their specific types
• 🔄 DuckDB Update Query.__GetColumnDefinition() and Query.__GetMemberInfoDuckDBParameter() to handle Enums as strings
• 🔄 DuckDB Update QueryBuilder._PrepareDbCommand() to improve data type management
• 🐛 Revert Query._RenderSelectSentence() removal of SELECT_UNION check on SELECT(*)
• 🐛 DuckDB Fix QueryBuilder._HandleQueryResult() to handle UnmanagedMemoryStream and store them as MemoryStream

v1.7.1 (2025-09-14)

• ✨ DuckDB Added support for DuckDB
• ✨ Add QueryBuilder.IterateByOffset<T>() to iterate tables where there is not auto-increment key column to iterate by
• 🔄 Update Query.From() to add table name escaping
• 🔄 Update ExtensionMethods/DataRow.__HandleRowMemberInfo<T>() to handle a few edge cases on data serialization

v1.7.0 (2025-09-11)

• ✨ Add QueryBuilder transaction methods: QueryBuilder.Begin(), QueryBuilder.Rollback(), QueryBuilder.Commit()
• ✨ Add Query.OnConflict() support for upsert operations
• 🔄 PostgreSQL Update Query.Value<T>()
• 🔄 MSSQL Update Query.Value<T>()

v1.6.0 (2025-09-03)

• ✨ Add support for UNION, UNION ALL, INTERSECT and EXCEPT queries

v1.5.5 (2025-09-01)

• ✨ Add ExpressionHelper.ExtractPropertyName<T>()
• ✨ Add byte[] array rendering to Query._RenderPrepared()
• 🔄 PostgreSQL Update Query.Value<T>() to avoid rendering system columns on insert
• 🔄 MSSQSL Update Query.Value<T>() to avoid rendering system columns on insert
• 🐛 Fix Query.Set<T>()
• 🐛 Fix Query.Select<T>()

v1.5.4 (2025-09-01)

• ✨ Add XML documentation to code

v1.5.3 (2025-08-31)

• ✨ Add Query.Distinct()

v1.5.2 (2025-08-30)

• ✨ Add Query._Engine
• 🔄 Improve ConnectorManager thread safety
• 🐛 Fix Query.Select<T>() not taking SystemColumn.Name property as the system column name to be retrieved

v1.5.1 (2025-08-30)

• ✨ Add SchemaDefinition.SystemColumn
• ✨ Add SchemaDefinition.DatabaseEngine
• 🔄 Update QueryBuilder.Iterate<T>()

v1.5.0 (2025-08-28)

• ✨ Add Type.GetColumnName()
• ✨ Add QueryBuilder.Execute<T>() to provide return of Last Insert Id, AffectedRows, and Query Success
• ✨ MySQL Add little patch to support Length=-1 on Char and Varchar column types
• ✨ PostgreSQL Add RETURNING support for INSERT queries
• ✨ MSSQL Add OUTPUT Inserted. support for INSERT queries
• 🔄 Improve Key definition

v1.4.1 (2025-08-28)

• ✨ MSSQL Added support for Microsoft SQL Server
• ✨ Add Query._GetKeyColumnName()
• 🐛 Fix table key rendering on table create

v1.4.0 (2025-08-28)

• ✨ Add SchemaDefinition/ForeignKey constructor to support direct reference for table classes
• ✨ Add SchemaDefinition/Column constructor to support joined columns
• ✨ Add joined table support for SELECT and the result iterators
• ✨ Add Query Expression support to Query.Join()
• ✨ Add Query.Select<T>()
• ✨ Add QueryBuilder select Tuple support
• 🔄 Update QueryBuilder to improve query result handling when mixing columns from different tables
• 🔄 Update QueryBuilder.Iterate() to change ulong for long to widen database engine support
• 🔄 Update SchemaDefinition/NamedStructure to set Name as protected
• 🔄 Improve DataRow parsing to custom class

v1.3.3 (2025-08-26)

• ✨ Add support for .Net 6

v1.3.2 (2025-08-25)

• ✨ Add Query.GetColumnDataType()

v1.3.1 (2025-08-25)

• ✨ Add ConnectorManager.WithBeforeQueryExecutionAction()
• ✨ Add ConnectorManager.WithAfterQueryExecutionAction()
• 🔄 Update ExtensionMethods.DataRow to avoid serializing values not retrieved by a query result
• 🔄 Update QueryBuilder.OnQueryExceptionAction to now take the query and the exception as parameters
• 🐛 Fix QueryBuilder.OnQueryExceptionAction() invocation missing the query argument

v1.3.0 (2025-08-25)

• ✨ Add Query Expression support for query building: Select, Set, Value, Where, WhereIn, WhereLike, GroupBy, OrderBy
• ✨ Add QueryBuilder.ExecuteScalar() to add a direct scalar execution method
• ✨ Add QueryBuilder.ScalarValue to store the QueryBuilder.ExecuteScalar() value and the first column from the first row in a regular select
• ✨ Add QueryBuilder.WithBeforeQueryExecutionAction() and QueryBuilder.WithAfterQueryExecutionAction() to setup callbacks before and after a query execution happens (logging purposes mostly)

v1.2.1 (2025-08-23)

• 🔄 PostgreSQL Improve query rendering for printing purposes only

v1.2.0 (2025-08-22)

• ✨ PostgreSQL Added support for PostgreSQL
• ✨ Add SchemaDefinition/Column.Check
• ✨ Add ConnectorManager.WithConnectionSetup()
• 🔄 Update ConnectorManager to ease overriding connection instantiation and setup
• 🔄 Update Query to improve query preparation overriding
• 🔄 Removed the ability to insert a null value on a Primary Key column, it will now either insert a not-null value or not insert it
• 🔄 Extension methods refactor

v1.1.1 (2025-08-21)

• ✨ Add ConnectionManager.WithOnQueryExceptionAction() to setup a callback when an exception occurs
• ✨ Add ColumnDataType.Enum
• ✨ Add Query.CreateTable() aliases
• 🔄 Improve Query change detection for rendering
• 🔄 Improve DataRow serialization
• 🔄 Improve Table key definition
• 🔄 Improve Column and Key rendering on table creation
• 🔄 Moved ConnectorManager.QueryBuilder() and ConnectorManager.DetachedQueryBuilder() methods to Base ConnectorManager instead of each implementation

v1.1.0 (2025-08-20)

• ✨ Add support for ColumnDataType
• ✨ Add SchemaDefinition/Column class to support generic database column data typing

v1.0.2 (2025-08-20)

• ✨ Add Query.WhereLike() operator
• 🔄 Update Query.__RenderWhereValue() to handle Enum values with Description attribute
• 🔄 Update SchemaDefinition/ForeignKey definition

v1.0.1 (2025-08-20)

• 🔄 General refactor

v1.0.0 (2025-08-19)

• ✨ MySQL Added support for MySQL
• ✨ SQLite Added support for SQLite