feat: INSERT logical plan support

holicc · Jul 12, 2024 · a73d551 · a73d551
1 parent 6efb797
commit a73d551
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Showing 4 changed files with 166 additions and 116 deletions.
diff --git a/src/logical/expr/mod.rs b/src/logical/expr/mod.rs
@@ -77,6 +77,20 @@ impl LogicalExpr {
 
         columns
     }
+
+    pub fn cast_to(&self, data_type: &DataType) -> LogicalExpr {
+        LogicalExpr::Cast(CastExpr {
+            expr: Box::new(self.clone()),
+            data_type: data_type.clone(),
+        })
+    }
+
+    pub fn alias(&self, name: impl Into<String>) -> LogicalExpr {
+        LogicalExpr::Alias(Alias {
+            expr: Box::new(self.clone()),
+            name: name.into(),
+        })
+    }
 }
 
 impl Display for LogicalExpr {

diff --git a/src/logical/plan/projection.rs b/src/logical/plan/projection.rs
@@ -47,7 +47,7 @@ impl Display for Projection {
                 .iter()
                 .map(|f| f.to_string())
                 .collect::<Vec<String>>()
-                .join(",")
+                .join(", ")
         )
     }
 }