Keep original SQL for CreateExternalTable #32734

Job	Run time
cargo check	7m 8s
cargo test (macos)	8m 27s
build with wasm-pack	2m 44s
Check cargo fmt	45s
cargo test (macos-aarch64)	8m 38s
Verify MSRV (Min Supported Rust Version)	6m 59s
Verify Vendored Code	53s
cargo test (win64)	41m 45s
clippy	2m 15s
cargo examples (amd64)	13m 25s
check Cargo.toml formatting	3m 10s
cargo test hash collisions (amd64)	14m 46s
check configs.md is up-to-date	2m 51s
cargo doc	3m 56s
cargo test (amd64)	10m 1s
cargo test datafusion-cli (amd64)	4m 8s
cargo test doc (amd64)	15m 12s
cargo test pyarrow (amd64)	2m 57s
Run sqllogictest with Postgres runner	3m 38s
verify benchmark results (amd64)	13m 0s
	2h 46m 38s

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