rename switch settings name to use_experimental_parquet_reader

Author: zhaoboran

src/query/settings/src/settings_default.rs

@@ -845,9 +845,9 @@ impl DefaultSettings {
                     scope: SettingScope::Both,
                     range: Some(SettingRange::Numeric(2..=u64::MAX)),
                 }),
-                ("use_parquet2", DefaultSettingValue {
+                ("use_experimental_parquet_reader", DefaultSettingValue {
                     value: UserSettingValue::UInt64(0),
-                    desc: "This setting is deprecated",
+                    desc: "Use experimental parquet reader to deserialize parquet data of fuse table.",
                     mode: SettingMode::Both,
                     scope: SettingScope::Both,
                     range: Some(SettingRange::Numeric(0..=1)),

src/query/settings/src/settings_getter_setter.rs

@@ -660,12 +660,12 @@ impl Settings {
         self.try_get_u64("auto_compaction_segments_limit")
     }
 
-    pub fn get_use_parquet2(&self) -> Result<bool> {
-        Ok(self.try_get_u64("use_parquet2")? != 0)
+    pub fn get_use_experimental_parquet_reader(&self) -> Result<bool> {
+        Ok(self.try_get_u64("use_experimental_parquet_reader")? != 0)
     }
 
-    pub fn set_use_parquet2(&self, val: bool) -> Result<()> {
-        self.try_set_u64("use_parquet2", u64::from(val))
+    pub fn set_use_experimental_parquet_reader(&self, val: bool) -> Result<()> {
+        self.try_set_u64("use_experimental_parquet_reader", u64::from(val))
     }
 
     pub fn get_enable_replace_into_partitioning(&self) -> Result<bool> {

src/query/storages/fuse/src/io/read/block/block_reader.rs

@@ -52,7 +52,7 @@ pub struct BlockReader {
 
     pub original_schema: TableSchemaRef,
     pub native_columns_reader: NativeColumnsReader,
-    pub use_parquet2_to_read_parquet: bool,
+    pub use_experimental_parquet_reader: bool,
 }
 
 fn inner_project_field_default_values(default_vals: &[Scalar], paths: &[usize]) -> Result<Scalar> {
@@ -139,7 +139,8 @@ impl BlockReader {
 
         let project_indices = Self::build_projection_indices(&project_column_nodes);
 
-        let use_parquet2_to_read_parquet = ctx.get_settings().get_use_parquet2()?;
+        let use_experimental_parquet_reader =
+            ctx.get_settings().get_use_experimental_parquet_reader()?;
 
         Ok(Arc::new(BlockReader {
             ctx,
@@ -154,7 +155,7 @@ impl BlockReader {
             put_cache,
             original_schema: schema,
             native_columns_reader,
-            use_parquet2_to_read_parquet,
+            use_experimental_parquet_reader,
         }))
     }
 

src/query/storages/fuse/src/io/read/block/parquet/mod.rs

@@ -51,7 +51,7 @@ impl BlockReader {
         compression: &Compression,
         block_path: &str,
     ) -> databend_common_exception::Result<DataBlock> {
-        if self.use_parquet2_to_read_parquet {
+        if self.use_experimental_parquet_reader {
             self.deserialize_v2(
                 block_path,
                 num_rows,