add reset to ExecutionPlan. #2

Job	Run time
cargo check	8m 33s
Check cargo fmt	40s
build with wasm-pack	2m 31s
cargo test (macos)	12m 59s
cargo test (macos-aarch64)	8m 5s
Verify MSRV (Min Supported Rust Version)	7m 8s
Verify Vendored Code	57s
cargo test (win64)	35m 29s
check configs.md is up-to-date	2m 34s
cargo test hash collisions (amd64)	9m 18s
clippy	5m 6s
check Cargo.toml formatting	1m 34s
cargo doc	3m 56s
cargo test (amd64)	9m 19s
cargo test datafusion-cli (amd64)	3m 50s
cargo test doc (amd64)	11m 54s
cargo examples (amd64)	8m 26s
Run sqllogictest with Postgres runner	2m 53s
cargo test pyarrow (amd64)	2m 32s
verify benchmark results (amd64)	9m 36s
	2h 27m 20s

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