LiteDB v4 released
New Features
- Add support to NETStandard 2.0 (with support to
Shared mode)
- New document
Expression parser/executor - see Expression Wiki
- Support index creation with expressions
col.EnsureIndex(x => x.Name, "LOWER($.Name)");
col.EnsureIndex("GrandTotal", "SUM($.Items[*].Qtd * $.Items[*].Price)");
- Query with
Include it´s supported in Engine level with ANY nested includes
col.Include(x => x.Users)
.Include(x => x.Users[0].Address)
.Include(x => x.Users[0].Address.City)
.Find(...)
- Support complex Linq queries using
LinqQuery compiler (works as linq to object)
col.Find(x => x.Name == "John" && x.Items.Length.ToString().EndsWith == "0")
- Better execution plan (with debug info) in multi query statements
- No more external journal file - use same datafile to store temporary data
- Fixed concurrency problems (keeps thread/process safe)
- Convert
Query.And to Query.Between when possible
- Add support to
Query.Between open/close interval
- Same datafile from LiteDB
v3 (no upgrade needed)
Shell
- New UPDATE/SELECT statements in shell
- Shell commands parser/executor are back into LiteDB.dll
- Better shell error messages in parser with position in error
- Print query execution plan in debug
(Seek([Age] > 10) and Filter([Name] startsWith "John"))
(preparing to new visual LiteDB database management tool)
Break changes
- Remove transactions
- Remove auto-id register function for custom type
- Remove index definitions on mapper (fluent/attribute)
- Remove auto create index on query execution. If the index is not found do full scan search (use
EnsureIndex on initialize database)
