fix(cdf): make cdf builders build function accessible

Signed-off-by: khalidmammadov <khalidmammadov9@gmail.com>

Author: khalidmammadov

crates/core/src/operations/load_cdf.rs

@@ -343,7 +343,7 @@ impl CdfLoadBuilder {
     }
 
     /// Executes the scan
-    pub(crate) async fn build(
+    pub async fn build(
         &self,
         session: &dyn Session,
         filters: Option<&Arc<dyn PhysicalExpr>>,

docs/src/rust/read_cdf.rs

@@ -1,19 +1,17 @@
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
-    let table = deltalake::open_table("tmp/some-table").await?;
+    let table = deltalake::open_table("/abs/tmp/some-table").await?;
     let ctx = SessionContext::new();
-    let ops = DeltaOps(table);
-    let cdf = ops
-        .load_cdf()
+    let cdf = table.scan_cdf()
         .with_starting_version(0)
         .with_ending_version(4)
-        .build()
+        .build(&ctx.state(), None)
         .await?;
 
     let batches = collect_batches(
         cdf.properties().output_partitioning().partition_count(),
-        &cdf,
+        cdf.as_ref(),
         ctx,
     ).await?;
     arrow_cast::pretty::print_batches(&batches)?;
@@ -24,7 +22,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
 async fn collect_batches(
     num_partitions: usize,
-    stream: &impl ExecutionPlan,
+    stream: &dyn ExecutionPlan,
     ctx: SessionContext,
 ) -> Result<Vec<RecordBatch>, Box<dyn std::error::Error>> {
     let mut batches = vec![];