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/ddl/ob_drop_func_resolver.cpp
+++ b/src/sql/resolver/ddl/ob_drop_func_resolver.cpp
@ -0,0 +1,79 @@
+/**
+ * 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/ddl/ob_drop_func_resolver.h"
+
+namespace oceanbase {
+using namespace common;
+namespace sql {
+
+ObDropFuncResolver::ObDropFuncResolver(ObResolverParams& params) : ObDDLResolver(params)
+{}
+
+ObDropFuncResolver::~ObDropFuncResolver()
+{}
+
+int ObDropFuncResolver::resolve(const ParseNode& parse_tree)
+{
+  int ret = OB_SUCCESS;
+  ObDropFuncStmt* drop_func_stmt = NULL;
+  ObCollationType cs_type;
+  ObString lower_name;
+  if (OB_ISNULL(session_info_) || OB_ISNULL(schema_checker_) || OB_ISNULL(allocator_) ||
+      (T_DROP_FUNC != parse_tree.type_) || 2 != parse_tree.num_child_ || OB_ISNULL(parse_tree.children_) ||
+      (parse_tree.children_[0] != NULL && T_IF_EXISTS != parse_tree.children_[0]->type_)) {
+    ret = OB_ERR_UNEXPECTED;
+    SQL_RESV_LOG(WARN, "invalid parse tree!", K(ret));
+  } else if (OB_FAIL(session_info_->get_collation_connection(cs_type))) {
+    LOG_WARN("failed to get collation", K(ret));
+  } else {
+    ObString udf_name(parse_tree.children_[1]->str_len_, parse_tree.children_[1]->str_value_);
+    if (OB_FAIL(ob_write_string(*allocator_, udf_name, lower_name))) {
+      ret = OB_ALLOCATE_MEMORY_FAILED;
+      LOG_ERROR("Malloc function name failed", K(ret));
+    } else {
+      ObCharset::casedn(CS_TYPE_UTF8MB4_GENERAL_CI, lower_name);
+    }
+  }
+
+  if (OB_SUCC(ret)) {
+    bool exist = false;
+    const share::schema::ObUDF* udf_info = nullptr;
+    uint64_t tenant_id = session_info_->get_effective_tenant_id();
+    if (OB_FAIL(schema_checker_->get_udf_info(tenant_id, lower_name, udf_info, exist))) {
+      LOG_WARN("failed to get udf info", K(ret));
+    } else if (exist) {
+      // dll udf
+      if (OB_ISNULL(drop_func_stmt = create_stmt<ObDropFuncStmt>())) {
+        ret = OB_ALLOCATE_MEMORY_FAILED;
+        SQL_RESV_LOG(ERROR, "create drop func stmt failed");
+      }
+      // stmt_ = drop_func_stmt;
+    } else {
+      // pl udf
+      ret = OB_ERR_FUNCTION_UNKNOWN;
+    }
+  }
+
+  if (OB_SUCC(ret)) {
+    const uint64_t tenant_id = session_info_->get_effective_tenant_id();
+    obrpc::ObDropUserDefinedFunctionArg& drop_func_arg = drop_func_stmt->get_drop_func_arg();
+    drop_func_arg.tenant_id_ = tenant_id;
+    drop_func_arg.name_ = lower_name;
+    drop_func_arg.if_exist_ = (NULL != parse_tree.children_[0]);
+  }
+  return ret;
+}
+
+}  // namespace sql
+}  // namespace oceanbase