Fix tests to the new name sql-ast

Support quoted identifiers in AST as well

The Ident type was previously an alias for a String. Turn it into a full
fledged struct, so that...

Add Github Action

Update CHANGELOG.md for 0.5.0

Allow semicolon after start transaction

Co-authored-by: Nikhil Benesch <[email protected]>

Fix merge skew with number literals

Support MySQL `SHOW COLUMNS` statement

Don't lose precision when parsing decimal fractions

With `--features bigdecimal`, parse numbers into BigDecimals instead of
leaving them as strings.

The SQL standard requires that numeric literals with a decimal point,
like 1.23, are represented...

Check that CI enforces rustfmt

Co-authored-by: Nikhil Benesch <[email protected]>

add `expect_keywords` function

The code for parsing chains of expected keywords is more readable with
this helper function.

Co...

The previous incantation was simply *never* running rustfmt in CI,
rather than only running rust...

Assorted code simplification and doc improvements

To use the new helper effectively, a few related changes were required:

- Each of the parse_......

The note about WindowFrameBound::Following being only valid "in
WindowFrame::end_bound" was both...

It used to consume the `RParen` closing the encompassing `OVER (`, even
when no window frame was...

Add a changelog

README: update for recent improvements

Remove outdated bits that claim shoddy SQL support and code
structure--we're much better on thos...

implement fmt::Display instead of ToString

Update comments after the renaming done in PR #105

Implement Eq alongside Hash

It turns out implementing Hash alone is not very useful, as
std::collection::HashMap keys are re...

Remove "SQL" prefix from "SQLDateTimeField" struct

I realized a moment too late that I'd missed a type name in
when removing the "SQL" prefix from ...

Remove "SQL" from types (and other renames)

The rationale here is the same as the last commit: since this crate
exclusively parses SQL, ther...

Since this crate only deals with SQL parsing, the modules are understood
to refer to SQL and don...

Rename ASTNode to Expr

[mssql/oracle] Support CROSS/OUTER APPLY

The ASTNode enum was confusingly named. In the past, the name made
sense, as the enum contained ...

T-SQL (and Oracle) support non-standard syntax, which is similar in
functionality to LATERAL joi...

Don't silently accept naked OUTER JOINS

`SELECT * FROM a OUTER JOIN b` was previously being parsed as an inner
join where table `a` was ...

Support HAVING/LIMIT/OFFSET/FETCH without FROM and other follow-ups

...which is weird but allowed:
https://jakewheat.github.io/sql-overview/sql-2011-foundation-gram...

Postgres allows it, as does ANSI SQL per the <query expression> definition:
https://jakewheat.gi...

Doc improvements and follow-ups to the recent PRs

Refine join parsing

The SQL specification prohibits constructions like

SELECT * FROM a NATURAL JOIN (b)

where ...

This commit adds support for derived tables (i.e., subqueries) that
incorporate set operations, ...

(Coveralls notices we didn't have one.)