alamb opened a new pull request, #4497:
URL: https://github.com/apache/arrow-datafusion/pull/4497
# Which issue does this PR close?
re https://github.com/apache/arrow-datafusion/issues/4460
# Rationale for this change
While debugging a sqllogictest I would like to run a single file at a time
rather than all in the directory. I would also like the ability to see debug
logts, etc
# What changes are included in this PR?
1. Initialize `env_logger` so setting `RUST_LOG` is respted
2. Add ability to specify files on the command line,
3. Documentation
Note, I did not bring in Clap or some other full featured command line
parser. I figured if/when we need the ability to add more flags, we could bring
it in.
Also I tried to avoid making changes that would conflict with
https://github.com/apache/arrow-datafusion/pull/4496 from @xudong963
# Are these changes tested?
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# Are there any user-facing changes?
No
# Examples
Example running with just one file:
```shell
cargo test -p datafusion --test sqllogictests -- information_schema.slt
Running: tests/sqllogictests/test_files/information_schema.slt
Enabling information schema
[information_schema.slt] Running query: "SHOW ALL"
[information_schema.slt] Running query: "SHOW
datafusion.execution.batch_size"
[information_schema.slt] Running query: "SHOW TIME ZONE"
[information_schema.slt] Running query: "SHOW TIMEZONE"
```
Example with logging:
```shell
RUST_LOG=debug cargo test -p datafusion --test sqllogictests --
information_schema.slt
[2022-12-04T12:30:03Z INFO sqllogictests] Test directory:
tests/sqllogictests/test_files
[2022-12-04T12:30:03Z INFO sqllogictests] Running test files
["tests/sqllogictests/test_files/information_schema.slt"]
Running: tests/sqllogictests/test_files/information_schema.slt
Enabling information schema
[2022-12-04T12:30:03Z DEBUG datafusion::execution::memory_manager] Creating
memory manager with initial size 11744051.2 TB
[information_schema.slt] Running query: "SHOW ALL"
[2022-12-04T12:30:03Z DEBUG sqlparser::parser] parsing expr
[2022-12-04T12:30:03Z DEBUG sqlparser::parser] prefix: Identifier(Ident {
value: "name", quote_style: None })
[2022-12-04T12:30:03Z DEBUG sqlparser::parser] get_next_precedence() Comma
[2022-12-04T12:30:03Z DEBUG sqlparser::parser] 0: , 1: setting 2: FROM
....
```
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