init push

2021-05-31 22:56:52 +08:00
commit cea7de1475
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--- a/src/sql/optimizer/ob_log_temp_table_access.cpp
+++ b/src/sql/optimizer/ob_log_temp_table_access.cpp
@ -0,0 +1,119 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#define USING_LOG_PREFIX SQL_OPT
+
+#include "sql/optimizer/ob_log_temp_table_access.h"
+#include "sql/optimizer/ob_opt_est_cost.h"
+#include "sql/resolver/dml/ob_select_stmt.h"
+#include "sql/ob_sql_utils.h"
+#include "sql/resolver/expr/ob_raw_expr_util.h"
+#include "sql/optimizer/ob_optimizer_util.h"
+#include "sql/optimizer/ob_log_operator_factory.h"
+#include "sql/optimizer/ob_log_plan.h"
+#include "sql/optimizer/ob_join_order.h"
+
+using namespace oceanbase::sql;
+using namespace oceanbase::common;
+using namespace oceanbase::share;
+using namespace oceanbase::sql::log_op_def;
+
+ObLogTempTableAccess::ObLogTempTableAccess(ObLogPlan& plan)
+    : ObLogicalOperator(plan), table_id_(0), ref_table_id_(0), is_last_access_(false), access_exprs_()
+{}
+
+ObLogTempTableAccess::~ObLogTempTableAccess()
+{}
+
+int ObLogTempTableAccess::allocate_exchange_post(AllocExchContext* ctx)
+{
+  int ret = OB_SUCCESS;
+  UNUSED(ctx);
+  ObShardingInfo sharding_info;
+  ObQueryCtx* query_ctx = NULL;
+  ObLogicalOperator* temp_table_insert = NULL;
+  if (OB_ISNULL(query_ctx = get_stmt()->query_ctx_)) {
+    ret = OB_ERR_UNEXPECTED;
+    LOG_WARN("unexpected null pointer.", K(ret));
+  } else if (OB_FAIL(query_ctx->get_temp_table_plan(ref_table_id_, temp_table_insert))) {
+    LOG_WARN("failed to get temp table sharding info.", K(ret));
+  } else if (OB_FAIL(sharding_info_.copy_with_part_keys(temp_table_insert->get_sharding_info()))) {
+    LOG_WARN("failed to copy sharding info", K(ret));
+  } else { /*do nothing*/
+  }
+  return ret;
+}
+
+int ObLogTempTableAccess::allocate_expr_post(ObAllocExprContext& ctx)
+{
+  int ret = OB_SUCCESS;
+  if (OB_ISNULL(get_stmt())) {
+    ret = OB_ERR_UNEXPECTED;
+    LOG_WARN("get unexpected null", K(get_stmt()), K(ret));
+  } else if (OB_FAIL(get_stmt()->get_column_exprs(table_id_, access_exprs_))) {
+    LOG_WARN("failed to get column exprs", K(ret));
+  } else {
+    for (int64_t i = 0; OB_SUCC(ret) && i < access_exprs_.count(); ++i) {
+      bool expr_is_required = false;
+      ObRawExpr* expr = access_exprs_.at(i);
+      if (OB_ISNULL(expr)) {
+        ret = OB_ERR_UNEXPECTED;
+        LOG_WARN("null expr", K(ret));
+      } else if (!is_plan_root() && OB_FAIL(add_var_to_array_no_dup(output_exprs_, expr))) {
+        LOG_WARN("failed to add expr", K(ret));
+      } else if (OB_FAIL(mark_expr_produced(expr, branch_id_, id_, ctx, expr_is_required))) {
+        LOG_WARN("failed to mark expr as produced", K(branch_id_), K(ret));
+      } else { /*do nothing*/
+      }
+    }
+    if (OB_SUCC(ret)) {
+      if (OB_FAIL(ObLogicalOperator::allocate_expr_post(ctx))) {
+        LOG_WARN("failed to allocate_expr_post", K(ret));
+      } else { /*do nothing*/
+      }
+    }
+  }
+  return ret;
+}
+
+int ObLogTempTableAccess::transmit_op_ordering()
+{
+  int ret = OB_SUCCESS;
+  reset_op_ordering();
+  return ret;
+}
+
+int ObLogTempTableAccess::inner_append_not_produced_exprs(ObRawExprUniqueSet& raw_exprs) const
+{
+  int ret = OB_SUCCESS;
+  if (OB_FAIL(raw_exprs.append(access_exprs_))) {
+    LOG_WARN("failed to append exprs", K(ret));
+  } else { /*do nothing*/
+  }
+  return ret;
+}
+
+int ObLogTempTableAccess::print_my_plan_annotation(char* buf, int64_t& buf_len, int64_t& pos, ExplainType type)
+{
+  int ret = OB_SUCCESS;
+  // print access
+  if (OB_FAIL(BUF_PRINTF(", "))) {
+    LOG_WARN("BUF_PRINTF fails", K(ret));
+  } else if (OB_FAIL(BUF_PRINTF("\n      "))) {
+    LOG_WARN("BUF_PRINTF fails", K(ret));
+  }
+  if (OB_SUCC(ret)) {
+    const ObIArray<ObRawExpr*>& access = get_access_exprs();
+    EXPLAIN_PRINT_EXPRS(access, type);
+  }
+  return ret;
+}