todo: SQL 2016

[KKould]

What problem does this PR solve?

Added use case test for SQL 2016 (from SpacetimeDB)

What is changed and how it works?

• Column defaults to nullable
• Fix the problem that Column is not lowercase when creating Table
• Added support for TypedString
• Support START TRANSACTION & COMMIT WORK on Server
• Fixed floating point number display problem and prioritized converting floating point numbers to double for calculation.
• support only select case, e.g. select 'hello'
• support StringConcat, e.g. select 'foo' || 'bar'
• support QualifiedWildcard, e.g. select t1.* from t1
• support Decimal Alias Dec

Code changes

• Has Rust code change
• Has CI related scripts change

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Note for reviewer