chore: support temporary table with memory engine

.gitignore

@@ -44,6 +44,7 @@ dist/
 test/
 tests/longrun/_*.csv
 tests/longrun/**/_*.csv
+tests/sqllogictests/data/*
 
 # fuzz
 hfuzz_target/

src/meta/api/src/schema_api_test_suite.rs

@@ -1514,6 +1514,7 @@ impl SchemaApiTestSuite {
             db_id: *db_id,
             table_name: table_name.to_string(),
             tb_id: table_id,
+            engine: "FUSE".to_string(),
         })
         .await?;
 
@@ -1844,6 +1845,7 @@ impl SchemaApiTestSuite {
                     db_id: *db_id,
                     table_name: tbl_name.to_string(),
                     tb_id,
+                    engine: "FUSE".to_string(),
                 };
                 mt.drop_table_by_id(plan.clone()).await?;
 
@@ -1874,6 +1876,7 @@ impl SchemaApiTestSuite {
                     db_id: *db_id,
                     table_name: tbl_name.to_string(),
                     tb_id,
+                    engine: "FUSE".to_string(),
                 };
                 let res = mt.drop_table_by_id(plan).await;
                 let err = res.unwrap_err();
@@ -1893,6 +1896,7 @@ impl SchemaApiTestSuite {
                     db_id: *db_id,
                     table_name: tbl_name.to_string(),
                     tb_id,
+                    engine: "FUSE".to_string(),
                 };
                 mt.drop_table_by_id(plan.clone()).await?;
             }
@@ -4147,6 +4151,7 @@ impl SchemaApiTestSuite {
                     db_id: *db_id,
                     table_name: req.name_ident.table_name.clone(),
                     tb_id: resp.table_id,
+                    engine: "FUSE".to_string(),
                 })
                 .await?;
             }
@@ -4172,6 +4177,7 @@ impl SchemaApiTestSuite {
                     db_id: *db_id,
                     table_name: req.name_ident.table_name.clone(),
                     tb_id: resp.table_id,
+                    engine: "FUSE".to_string(),
                 })
                 .await?;
                 let table_id = resp.table_id;
@@ -4246,6 +4252,7 @@ impl SchemaApiTestSuite {
                     db_id: *db_id,
                     table_name: req.name_ident.table_name.clone(),
                     tb_id: resp.table_id,
+                    engine: "FUSE".to_string(),
                 })
                 .await?;
             }
@@ -4272,6 +4279,7 @@ impl SchemaApiTestSuite {
                     db_id: *db_id,
                     table_name: req.name_ident.table_name.clone(),
                     tb_id: resp.table_id,
+                    engine: "FUSE".to_string(),
                 })
                 .await?;
                 let table_id = resp.table_id;
@@ -4446,6 +4454,7 @@ impl SchemaApiTestSuite {
                     db_id,
                     table_name: req.name_ident.table_name.clone(),
                     tb_id: resp.table_id,
+                    engine: "FUSE".to_string(),
                 })
                 .await?;
             }
@@ -4686,6 +4695,7 @@ impl SchemaApiTestSuite {
                 db_id: old_db.database_id.db_id,
                 table_name: tbl_name_ident.table_name.clone(),
                 tb_id,
+                engine: "FUSE".to_string(),
             })
             .await?;
             let cur_db = mt.get_database(Self::req_get_db(&tenant, db_name)).await?;
@@ -4737,6 +4747,7 @@ impl SchemaApiTestSuite {
                 db_id: old_db.database_id.db_id,
                 table_name: tbl_name.to_string(),
                 tb_id,
+                engine: "FUSE".to_string(),
             })
             .await?;
             let cur_db = mt.get_database(Self::req_get_db(&tenant, db_name)).await?;
@@ -4794,6 +4805,7 @@ impl SchemaApiTestSuite {
                 db_id: old_db.database_id.db_id,
                 table_name: tbl_name.to_string(),
                 tb_id: tb_info.ident.table_id,
+                engine: "FUSE".to_string(),
             })
             .await?;
             let cur_db = mt.get_database(Self::req_get_db(&tenant, db_name)).await?;
@@ -4895,6 +4907,7 @@ impl SchemaApiTestSuite {
                 db_id: cur_db.database_id.db_id,
                 table_name: tbl_name.to_string(),
                 tb_id: new_tb_info.ident.table_id,
+                engine: "FUSE".to_string(),
             };
 
             let old_db = mt.get_database(Self::req_get_db(&tenant, db_name)).await?;
@@ -7658,6 +7671,7 @@ where MT: SchemaApi + kvapi::AsKVApi<Error = MetaError>
             if_exists: false,
             db_id: self.db_id,
             tb_id: self.table_id,
+            engine: "FUSE".to_string(),
         };
         self.mt.drop_table_by_id(req.clone()).await?;
 

src/meta/api/src/share_api_test_suite.rs

@@ -362,6 +362,7 @@ impl ShareApiTestSuite {
                 table_name: table_name.to_string(),
                 tb_id: table_id,
                 db_id,
+                engine: "FUSE".to_string(),
             };
             let res = mt.drop_table_by_id(plan).await?;
             let (share_db_id, share_specs) = res.spec_vec.unwrap();
@@ -2466,6 +2467,7 @@ impl ShareApiTestSuite {
                 table_name: tbl_name.to_string(),
                 tb_id: table_id,
                 db_id,
+                engine: "FUSE".to_string(),
             };
             let _res = mt.drop_table_by_id(plan).await;
 

src/meta/app/src/schema/table.rs

@@ -565,6 +565,8 @@ pub struct DropTableByIdReq {
     pub table_name: String,
 
     pub db_id: MetaId,
+
+    pub engine: String,
 }
 
 impl DropTableByIdReq {

src/meta/binaries/metabench/main.rs

@@ -238,6 +238,7 @@ async fn benchmark_table(client: &Arc<ClientHandle>, prefix: u64, client_num: u6
             db_id,
             table_name: table_name(),
             tb_id: t.ident.table_id,
+            engine: "FUSE".to_string(),
         })
         .await;
 

src/query/ee/src/stream/handler.rs

@@ -190,6 +190,7 @@ impl StreamHandler for RealStreamHandler {
                     table_name: stream_name.clone(),
                     tb_id: table.get_id(),
                     db_id: db.get_db_info().database_id.db_id,
+                    engine: engine.to_string(),
                 })
                 .await
         } else if plan.if_exists {

src/query/service/src/interpreters/interpreter_table_drop.rs

@@ -125,6 +125,7 @@ impl Interpreter for DropTableInterpreter {
                 table_name: tbl_name.to_string(),
                 tb_id: tbl.get_table_info().ident.table_id,
                 db_id: db.get_db_info().database_id.db_id,
+                engine: tbl.engine().to_string(),
             })
             .await?;
 

src/query/service/src/interpreters/interpreter_view_drop.rs

@@ -93,6 +93,7 @@ impl Interpreter for DropViewInterpreter {
                     table_name: self.plan.view_name.clone(),
                     tb_id: table.get_id(),
                     db_id: db.get_db_info().database_id.db_id,
+                    engine: table.engine().to_string(),
                 })
                 .await?;
         };

src/query/service/tests/it/catalogs/database_catalog.rs

@@ -191,6 +191,7 @@ async fn test_catalogs_table() -> Result<()> {
                 table_name: "test_table".to_string(),
                 tb_id: tbl.get_table_info().ident.table_id,
                 db_id: db.get_db_info().database_id.db_id,
+                engine: tbl.engine().to_string(),
             })
             .await;
         assert!(res.is_ok());

src/query/sql/src/planner/binder/ddl/table.rs

@@ -490,9 +490,9 @@ impl Binder {
                 let _ = options.insert("TRANSIENT".to_owned(), "T".to_owned());
             }
             TableType::Temporary => {
-                if engine != Engine::Fuse {
+                if engine != Engine::Fuse && engine != Engine::Memory {
                     return Err(ErrorCode::BadArguments(
-                        "Temporary table is only supported for FUSE engine",
+                        "Temporary table is only supported for FUSE and MEMORY engine",
                     ));
                 }
                 let _ = options.insert(OPT_KEY_TEMP_PREFIX.to_string(), self.ctx.get_session_id());
@@ -592,6 +592,15 @@ impl Binder {
             }
         };
 
+        if engine == Engine::Memory {
+            let catalog = self.ctx.get_catalog(&catalog).await?;
+            let db = catalog
+                .get_database(&self.ctx.get_tenant(), &database)
+                .await?;
+            let db_id = db.get_db_info().database_id.db_id;
+            options.insert(OPT_KEY_DATABASE_ID.to_owned(), db_id.to_string());
+        }
+
         if engine == Engine::Fuse {
             // Currently, [Table] can not accesses its database id yet, thus
             // here we keep the db id AS an entry of `table_meta.options`.

src/query/storages/common/blocks/Cargo.toml

@@ -14,6 +14,7 @@ test = true
 databend-common-exception = { workspace = true }
 databend-common-expression = { workspace = true }
 databend-storages-common-table-meta = { workspace = true }
+parking_lot = { workspace = true }
 parquet = { workspace = true }
 
 [build-dependencies]

src/query/storages/common/blocks/src/lib.rs

@@ -16,3 +16,4 @@
 
 mod parquet_rs;
 pub use parquet_rs::blocks_to_parquet;
+pub mod memory;

src/query/storages/common/blocks/src/memory.rs

@@ -0,0 +1,27 @@
+// Copyright 2021 Datafuse Labs
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use std::collections::HashMap;
+use std::sync::Arc;
+use std::sync::LazyLock;
+
+use databend_common_expression::DataBlock;
+use parking_lot::RwLock;
+/// Shared store to support memory tables.
+///
+/// Indexed by table id etc.
+pub type InMemoryData<K> = HashMap<K, Arc<RwLock<Vec<DataBlock>>>>;
+
+pub static IN_MEMORY_DATA: LazyLock<Arc<RwLock<InMemoryData<u64>>>> =
+    LazyLock::new(|| Arc::new(Default::default()));

src/query/storages/common/session/Cargo.toml

@@ -11,6 +11,7 @@ databend-common-exception = { workspace = true }
 databend-common-meta-app = { workspace = true }
 databend-common-meta-types = { workspace = true }
 databend-common-storage = { workspace = true }
+databend-storages-common-blocks = { workspace = true }
 databend-storages-common-table-meta = { workspace = true }
 log = { workspace = true }
 parking_lot = { workspace = true }