-- create a table with quotes in the column names
create table test ("'test'" varchar, "'test2'" varchar, "'test3'" varchar);
insert into test VALUES ('a', 'x', 'aa'), ('b','y', 'bb'), ('c', 'z', 'cc');
copy test to '/tmp/escape_quote' (format csv, partition_by '''test2'',''test3''');

-- read back from the table
CREATE EXTERNAL TABLE validate_partitioned_escape_quote STORED AS CSV
LOCATION '/tmp/escape_quote/' PARTITIONED BY ("'test2'", "'test3'");

-- This panics
select * from validate_partitioned_escape_quote;

❯ -- create a table with quotes in the column names
create table test ("'test'" varchar, "'test2'" varchar, "'test3'" varchar);
insert into test VALUES ('a', 'x', 'aa'), ('b','y', 'bb'), ('c', 'z', 'cc');
copy test to '/tmp/escape_quote' (format csv, partition_by '''test2'',''test3''');

0 rows in set. Query took 0.008 seconds.

+-------+
| count |
+-------+
| 3     |
+-------+
1 row in set. Query took 0.009 seconds.

+-------+
| count |
+-------+
| 3     |
+-------+
1 row in set. Query took 0.029 seconds.

❯ -- read back from the table
CREATE EXTERNAL TABLE validate_partitioned_escape_quote STORED AS CSV
LOCATION '/tmp/escape_quote/' PARTITIONED BY ("'test2'", "'test3'");

0 rows in set. Query took 0.004 seconds.

❯ -- This panics
select * from validate_partitioned_escape_quote;

thread 'thread 'tokio-runtime-workertokio-runtime-worker' panicked at ' panicked at /Users/andrewlamb/Software/arrow-datafusion/datafusion/core/src/datasource/physical_plan/file_scan_config.rs/Users/andrewlamb/Software/arrow-datafusion/datafusion/core/src/datasource/physical_plan/file_scan_config.rs::248:thread '54248:
:tokio-runtime-workerindex out of bounds: the len is 0 but the index is 054' panicked at
/Users/andrewlamb/Software/arrow-datafusion/datafusion/core/src/datasource/physical_plan/file_scan_config.rs:248:
:index out of bounds: the len is 0 but the index is 054
:
index out of bounds: the len is 0 but the index is 0
stack backtrace:
   0: rust_begin_unwind
             at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
   1: core::panicking::panic_fmt
             at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
   2: core::panicking::panic_bounds_check
             at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:208:5
   3: datafusion::datasource::physical_plan::file_scan_config::PartitionColumnProjector::project
   4: <datafusion::datasource::physical_plan::file_stream::FileStream<F> as futures_core::stream::Stream>::poll_next
   5: datafusion_physical_plan::stream::RecordBatchReceiverStreamBuilder::run_input::{{closure}}
   6: tokio::runtime::task::core::Core<T,S>::poll
   7: tokio::runtime::task::harness::Harness<T,S>::poll
   8: tokio::runtime::scheduler::multi_thread::worker::Context::run_task
   9: tokio::runtime::scheduler::multi_thread::worker::Context::run
  10: tokio::runtime::context::runtime::enter_runtime
  11: tokio::runtime::scheduler::multi_thread::worker::run
  12: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
  13: tokio::runtime::task::core::Core<T,S>::poll
  14: tokio::runtime::task::harness::Harness<T,S>::poll
  15: tokio::runtime::blocking::pool::Inner::run
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.