refactor: use DummyCatalog to construct query engine for datanode (#6723)

* refactor: use DummyCatalog to construct query engine for datanode

Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>

* fix clippy

Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>

* move to query/dummy_catalog

Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>

---------

Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>

src/datanode/Cargo.toml

@@ -16,7 +16,6 @@ api.workspace = true
 arrow-flight.workspace = true
 async-trait.workspace = true
 bytes.workspace = true
-catalog.workspace = true
 client.workspace = true
 common-base.workspace = true
 common-config.workspace = true

src/datanode/src/datanode.rs

@@ -18,7 +18,6 @@ use std::path::Path;
 use std::sync::Arc;
 use std::time::Duration;
 
-use catalog::memory::MemoryCatalogManager;
 use common_base::Plugins;
 use common_error::ext::BoxedError;
 use common_greptimedb_telemetry::GreptimeDBTelemetryTask;
@@ -44,7 +43,7 @@ use mito2::config::MitoConfig;
 use mito2::engine::{MitoEngine, MitoEngineBuilder};
 use object_store::manager::{ObjectStoreManager, ObjectStoreManagerRef};
 use object_store::util::normalize_dir;
-use query::dummy_catalog::TableProviderFactoryRef;
+use query::dummy_catalog::{DummyCatalogManager, TableProviderFactoryRef};
 use query::QueryEngineFactory;
 use servers::export_metrics::ExportMetricsTask;
 use servers::server::ServerHandlers;
@@ -377,7 +376,7 @@ impl DatanodeBuilder {
 
         let query_engine_factory = QueryEngineFactory::new_with_plugins(
             // query engine in datanode only executes plan with resolved table source.
-            MemoryCatalogManager::with_default_setup(),
+            DummyCatalogManager::arc(),
             None,
             None,
             None,

src/datanode/src/error.rs

@@ -79,13 +79,6 @@ pub enum Error {
         source: common_query::error::Error,
     },
 
-    #[snafu(display("Catalog not found: {}", name))]
-    CatalogNotFound {
-        name: String,
-        #[snafu(implicit)]
-        location: Location,
-    },
-
     #[snafu(display("Schema not found: {}", name))]
     SchemaNotFound {
         name: String,
@@ -159,13 +152,6 @@ pub enum Error {
         location: Location,
     },
 
-    #[snafu(display("Failed to access catalog"))]
-    Catalog {
-        #[snafu(implicit)]
-        location: Location,
-        source: catalog::error::Error,
-    },
-
     #[snafu(display("Failed to initialize meta client"))]
     MetaClientInit {
         #[snafu(implicit)]
@@ -429,12 +415,10 @@ impl ErrorExt for Error {
             InvalidSql { .. }
             | IllegalPrimaryKeysDef { .. }
             | MissingTimestampColumn { .. }
-            | CatalogNotFound { .. }
             | SchemaNotFound { .. }
             | SchemaExists { .. }
             | MissingNodeId { .. }
             | ColumnNoneDefaultValue { .. }
-            | Catalog { .. }
             | MissingRequiredField { .. }
             | RegionEngineNotFound { .. }
             | ParseAddr { .. }

src/datanode/src/region_server.rs

@@ -248,7 +248,7 @@ impl RegionServer {
             None
         };
 
-        let ctx: Option<session::context::QueryContext> = request.header.as_ref().map(|h| h.into());
+        let ctx = request.header.as_ref().map(|h| h.into());
         let query_ctx = Arc::new(ctx.unwrap_or_else(|| QueryContextBuilder::default().build()));
 
         let provider = self