1.0 Alpha 6

This changelog summarizes new features and breaking changes in EdgeDB 1.0 alpha 6 “Wolf”.

EdgeQL

Introduce new enum definition syntax (#1843).

Instead of using strings, the enums are now defined using identifiers:

```
create scalar type schema::TypeModifier
    extending enum<SetOfType, OptionalType, SingletonType>;
```

Rename built-in schema enums to use CamelCase names (#1843).
Rename string handling functions to use start and end in their name (#1752):
- Deprecate str_lpad() in favor of str_pad_start()
- Deprecate str_rpad() in favor of str_pad_end()
- Deprecate str_ltrim() in favor of str_trim_start()
- Deprecate str_rtrim() in favor of str_trim_end()
Improve update functionality (#1746).
Forbid usage of DML in some special cases (#1726).
Add tracking of DML inside function bodies (#1741).
Allow functions with non-statement bodies (#1723).
Allow the usage of exists in constraints (#1750).
Allow partial paths in object constraints (#1704)
Allow trailing commas in collection types (#1749).
Fix insert … unless conflict … else when combined with shape (#1743).
Fix how for statement correlates values (#1776).
Fix handling of collections of newly created types in SDL (#1730).
Fix handling of function definitions in SDL (#1649).
Fix interactions of set of and optional arguments (#1640).
Implementation of more of the features of the new migration syntax (RFC 1000).

Require instance name for most edgedb server commands.
Add version check to show a warning when tools should be updated (#158).
Add edgedb self-upgrade command (#159).
Add support for installing server using Docker (edgedb server install --method=docker)