Takafumi Hirata

fixes #209 # Summary of problem: There is an issue with the job that imports files from GCS, specifically when using the GCS Emulator. As detailed in issue #209, attempts...

### What happened? Starting with version 469.0.0 of google-cloud-cli, executing the bq command results in the following error: ``` bq --project_id test --api http://localhost:9051 ls BigQuery error in ls operation:...

This Pull Request closes https://github.com/goccy/bigquery-emulator/issues/217 I added a unary minus operator because it was not implemented before. As tested [here](https://github.com/goccy/go-zetasqlite/blob/b6dd6a5c9272ce2c804b47446646d42ebdf9450a/query_test.go#L70-L74), It seems to work fine with number literals, but using...