refactor: passing QueryContext to RegionServer (#3829)

* refactor: passing QueryContext to RegionServer

* refactor: change the return type of build() in QueryContextBuilder

* fix: update greptime-proto reference

* chore: apply suggestion

* chore: revert the last commit

---------

Co-authored-by: dennis zhuang <killme2008@gmail.com>

src/common/function/src/function.rs

@@ -35,7 +35,7 @@ impl FunctionContext {
     #[cfg(any(test, feature = "testing"))]
     pub fn mock() -> Self {
         Self {
-            query_ctx: QueryContextBuilder::default().build(),
+            query_ctx: QueryContextBuilder::default().build().into(),
             state: Arc::new(FunctionState::mock()),
         }
     }
@@ -44,7 +44,7 @@ impl FunctionContext {
 impl Default for FunctionContext {
     fn default() -> Self {
         Self {
-            query_ctx: QueryContextBuilder::default().build(),
+            query_ctx: QueryContextBuilder::default().build().into(),
             state: Arc::new(FunctionState::default()),
         }
     }

src/common/function/src/scalars/udf.rs

@@ -89,7 +89,7 @@ mod tests {
     #[test]
     fn test_create_udf() {
         let f = Arc::new(TestAndFunction);
-        let query_ctx = QueryContextBuilder::default().build();
+        let query_ctx = QueryContextBuilder::default().build().into();
 
         let args: Vec<VectorRef> = vec![
             Arc::new(ConstantVector::new(

src/common/function/src/system/database.rs

@@ -79,7 +79,8 @@ mod tests {
 
         let query_ctx = QueryContextBuilder::default()
             .current_schema("test_db".to_string())
-            .build();
+            .build()
+            .into();
 
         let func_ctx = FunctionContext {
             query_ctx,

src/common/function/src/system/timezone.rs

@@ -77,7 +77,7 @@ mod tests {
                          } if  valid_types == vec![]
         ));
 
-        let query_ctx = QueryContextBuilder::default().build();
+        let query_ctx = QueryContextBuilder::default().build().into();
 
         let func_ctx = FunctionContext {
             query_ctx,