feat: implement more expr_to_sql functionality (#9578)

* more impls * fix tests * cargo update dfcli * fix custom_dialect test * add tests and feature flag * fix comment * remove chrono use arrow-array conversions * fix cargo lock again * fix count distinct * retry windows ci * retry windows ci again * add roundtrip tests * cargo fmt
apache · Mar 14, 2024 · 5911d18 · 5911d18
1 parent 8b4a8e6
commit 5911d18
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diff --git a/README.md b/README.md
@@ -83,6 +83,7 @@ Default features:
 - `parquet`: support for reading the [Apache Parquet] format
 - `regex_expressions`: regular expression functions, such as `regexp_match`
 - `unicode_expressions`: Include unicode aware functions such as `character_length`
+- `unparser` : enables support to reverse LogicalPlans back into SQL
 
 Optional features:
 

diff --git a/datafusion-cli/Cargo.lock b/datafusion-cli/Cargo.lock
diff --git a/datafusion/sql/Cargo.toml b/datafusion/sql/Cargo.toml
@@ -33,11 +33,13 @@ name = "datafusion_sql"
 path = "src/lib.rs"
 
 [features]
-default = ["unicode_expressions"]
+default = ["unicode_expressions", "unparser"]
 unicode_expressions = []
+unparser = []
 
 [dependencies]
 arrow = { workspace = true }
+arrow-array = { workspace = true }
 arrow-schema = { workspace = true }
 datafusion-common = { workspace = true, default-features = true }
 datafusion-expr = { workspace = true }

diff --git a/datafusion/sql/src/lib.rs b/datafusion/sql/src/lib.rs
@@ -36,6 +36,7 @@ mod relation;
 mod select;
 mod set_expr;
 mod statement;
+#[cfg(feature = "unparser")]
 pub mod unparser;
 pub mod utils;
 mod values;