return error on excessive partition count #5

Job	Run time
cargo test (mac)	7m 20s
Check cargo fmt	30s
cargo check	5m 0s
Verify MSRV	7m 6s
Verify Vendored Code	47s
cargo test (win64)	15m 6s
cargo test hash collisions (amd64)	11m 37s
clippy	1m 28s
check configs.md is up-to-date	2m 14s
check Cargo.toml formatting	1m 11s
cargo doc	2m 0s
cargo test datafusion-cli (amd64)	2m 52s
cargo test (amd64)	11m 31s
cargo test doc (amd64)	9m 13s
cargo examples (amd64)	4m 37s
Run sqllogictest with Postgres runner	2m 59s
verify benchmark results (amd64)	17m 50s
cargo test pyarrow (amd64)	1m 46s
	1h 45m 7s

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