init push

2021-05-31 22:56:52 +08:00
commit cea7de1475
7020 changed files with 5689869 additions and 0 deletions
--- a/src/sql/resolver/prepare/ob_execute_resolver.cpp
+++ b/src/sql/resolver/prepare/ob_execute_resolver.cpp
@ -0,0 +1,90 @@
+/**
+ * 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_RESV
+#include "sql/resolver/prepare/ob_execute_resolver.h"
+#include "sql/resolver/ob_resolver_utils.h"
+#include "sql/plan_cache/ob_prepare_stmt_struct.h"
+
+namespace oceanbase {
+using namespace common;
+namespace sql {
+
+int ObExecuteResolver::resolve(const ParseNode& parse_tree)
+{
+  int ret = OB_SUCCESS;
+  ObExecuteStmt* execute_stmt = NULL;
+  if (parse_tree.num_child_ != 2 || OB_ISNULL(session_info_)) {
+    ret = OB_INVALID_ARGUMENT;
+    LOG_WARN("invalid argument", "num_child", parse_tree.num_child_, K(allocator_), K(ret));
+  }
+  if (OB_SUCC(ret)) {
+    if (OB_ISNULL(execute_stmt = create_stmt<ObExecuteStmt>())) {
+      ret = OB_SQL_RESOLVER_NO_MEMORY;
+      LOG_WARN("failed to create execute stmt", K(ret));
+    } else {
+      stmt_ = execute_stmt;
+    }
+  }
+  if (OB_SUCC(ret)) {
+    // resolver stmt name
+    if (OB_ISNULL(parse_tree.children_[0])) {
+      ret = OB_INVALID_ARGUMENT;
+      LOG_WARN("invalid argument", K(parse_tree.children_[0]), K(ret));
+    } else {
+      ObString name(parse_tree.children_[0]->str_len_, parse_tree.children_[0]->str_value_);
+      ObPsSessionInfo* ps_session_info = NULL;
+      ObPsStmtId ps_id = OB_INVALID_ID;
+      stmt::StmtType ps_type = stmt::T_NONE;
+      if (OB_FAIL(session_info_->get_prepare_id(name, ps_id))) {
+        LOG_WARN("failed to get prepare id", K(ret));
+      } else if (OB_FAIL(session_info_->get_ps_session_info(ps_id, ps_session_info))) {
+        LOG_WARN("failed to get ps session info", K(ret));
+      } else if (OB_ISNULL(ps_session_info)) {
+        LOG_WARN("ps session info is NULL", K(name), K(ps_id), K(ret));
+      } else {
+        ps_type = ps_session_info->get_stmt_type();
+        execute_stmt->set_prepare_id(ps_id);
+        execute_stmt->set_prepare_type(ps_type);
+      }
+    }
+  }
+  // resolver variable
+  if (OB_SUCC(ret)) {
+    if (NULL == parse_tree.children_[1]) {
+      // do nothing
+    } else if (parse_tree.children_[1]->type_ != T_ARGUMENT_LIST) {
+      ret = OB_INVALID_ARGUMENT;
+      LOG_WARN("invalid argument", K(parse_tree.children_[1]->type_), K(ret));
+    } else {
+      ParseNode* arguments = parse_tree.children_[1];
+      for (int32_t i = 0; OB_SUCC(ret) && i < arguments->num_child_; ++i) {
+        if (OB_ISNULL(arguments->children_[i])) {
+          ret = OB_INVALID_ARGUMENT;
+          LOG_WARN("invalid argumenet", K(arguments->children_[i]), K(ret));
+        } else {
+          ObRawExpr* param_expr = NULL;
+          if (OB_FAIL(ObResolverUtils::resolve_const_expr(params_, *arguments->children_[i], param_expr, NULL))) {
+            LOG_WARN("failed to resolve const expr", K(ret));
+          } else if (OB_FAIL(execute_stmt->add_param(param_expr))) {
+            LOG_WARN("failed to add param", K(ret));
+          } else { /*do nothing*/
+          }
+        }
+      }
+    }
+  }
+  return ret;
+}
+
+}  // namespace sql
+}  // namespace oceanbase