[Bug]: capacity overflow when using column_constraint_segment

[betaboon]

What happened?

Error

$ RUST_BACKTRACE=full sqruff fix schema.sql

thread 'main' panicked at /build/rustc-1.86.0-src/library/alloc/src/slice.rs:569:23:
capacity overflow
stack backtrace:
   0:     0x55e6b1aede7e - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h9edbd6e38a8b0805
   1:     0x55e6b110da13 - core::fmt::write::h7b1248e5e0c79c78
   2:     0x55e6b1abdee2 - std::io::Write::write_fmt::h5e301665499081bf
   3:     0x55e6b1aeb49e - std::panicking::rust_panic_with_hook::h100726ba9570b85a
   4:     0x55e6b1aee4d5 - std::panicking::begin_panic_handler::{{closure}}::h141712493bfacf0c
   5:     0x55e6b1aee469 - std::sys::backtrace::__rust_end_short_backtrace::h891003731531c924
   6:     0x55e6b1aead9c - rust_begin_unwind
   7:     0x55e6b105c57f - core::panicking::panic_fmt::h1df68d570cb2382b
   8:     0x55e6b10c5306 - alloc::raw_vec::capacity_overflow::hf1479509b58d13f4
   9:     0x55e6b1243514 - alloc::slice::<impl [T]>::repeat::hb96153c26571915d
  10:     0x55e6b1240c5c - sqruff_lib::utils::reflow::elements::ReflowPoint::respace_point::hbb138f28cf5e8985
  11:     0x55e6b123ac48 - sqruff_lib::utils::reflow::sequence::ReflowSequence::respace::hbd221e2b80e765f1
  12:     0x55e6b12ce1b7 - sqruff_lib::core::rules::base::Rule::crawl::h79bcc37746c0feae
  13:     0x55e6b133db7e - sqruff_lib::core::linter::core::Linter::lint_fix_parsed::h6ec4c65cf9bfcea2
  14:     0x55e6b1339d9b - sqruff_lib::core::linter::core::Linter::lint_parsed::hbef4a49e41cb8827
  15:     0x55e6b1353e30 - rayon::iter::plumbing::bridge_producer_consumer::helper::ha96aa97fd1eca95d
  16:     0x55e6b135011b - sqruff_lib::core::linter::core::Linter::lint_paths::hbabe34a18564a02d
  17:     0x55e6b1084cfb - sqruff::commands_fix::run_fix::hc4973e65fd8847ee
  18:     0x55e6b108c63c - sqruff::main::h42e4c11f3a3039c0
  19:     0x55e6b107e0e3 - std::sys::backtrace::__rust_begin_short_backtrace::h86d54453d31f82d8
  20:     0x55e6b1093f63 - main
  21:     0x7f8a74c2a47e - __libc_start_call_main
  22:     0x7f8a74c2a539 - __libc_start_main_impl
  23:     0x55e6b1077ee5 - _start
  24:                0x0 - <unknown>
== [schema.sql] FAIL
L:   1 | P:   1 | ???? | Unexpected exception. Could you open an issue at
                       | https://github.com/quarylabs/sqruff
Are you sure you wish to attempt to fix these? [Y/n]  ...

Configuration

[sqlfluff]
dialect = postgres

[sqlfluff:layout:type:column_constraint_segment]
spacing_before = align
align_within = statement
align_scope = file

Schema

-- Schema for Users
CREATE TABLE users (
    user_id    SERIAL                      PRIMARY KEY,
    username   VARCHAR(255)                NOT NULL,
    email      VARCHAR(255)                UNIQUE NOT NULL,
    created_at TIMESTAMP WITHOUT TIME ZONE DEFAULT (now() AT TIME ZONE 'utc')
);

-- Schema for Posts
CREATE TABLE posts (
    post_id    SERIAL                      PRIMARY KEY,
    user_id    INT                         NOT NULL,
    title      VARCHAR(255)                NOT NULL,
    content    TEXT                        NOT NULL,
    created_at TIMESTAMP WITHOUT TIME ZONE DEFAULT (now() AT TIME ZONE 'utc'),
    updated_at TIMESTAMP WITHOUT TIME ZONE,
    FOREIGN KEY (user_id) REFERENCES users (user_id)
);

-- Schema for Comments
CREATE TABLE comments (
    comment_id SERIAL                      PRIMARY KEY,
    post_id    INT                         NOT NULL,
    user_id    INT                         NOT NULL,
    content    TEXT                        NOT NULL,
    created_at TIMESTAMP WITHOUT TIME ZONE DEFAULT (now() AT TIME ZONE 'utc'),
    FOREIGN KEY (post_id) REFERENCES posts (post_id),
    FOREIGN KEY (user_id) REFERENCES users (user_id)
);

Version

$ sqruff --version
sqruff 0.25.28

Checked in Playground

• I have checked this bug in the playground.

[benfdking]

Hey 👋, sorry you encountered this, and it's taken us a while to look at it. We'll look into it.