fix: bugs when having and group by are all false #329

Job	Run time
Check cargo fmt	51s
cargo check	8m 33s
build with wasm-pack	2m 39s
cargo test (macos)	8m 36s
cargo test (macos-aarch64)	9m 33s
Verify MSRV (Min Supported Rust Version)	6m 42s
Verify Vendored Code	51s
cargo test (win64)	42m 28s
check configs.md is up-to-date	2m 37s
clippy	5m 18s
cargo test hash collisions (amd64)	14m 0s
check Cargo.toml formatting	3m 11s
cargo doc	3m 51s
cargo test (amd64)	9m 33s
cargo test datafusion-cli (amd64)	3m 33s
cargo test doc (amd64)	14m 7s
cargo examples (amd64)	12m 40s
Run sqllogictest with Postgres runner	3m 19s
cargo test pyarrow (amd64)	2m 50s
verify benchmark results (amd64)	11m 10s
	2h 46m 22s

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