init push

2021-05-31 22:56:52 +08:00
commit cea7de1475
7020 changed files with 5689869 additions and 0 deletions
--- a/src/sql/ob_delete_stmt_printer.cpp
+++ b/src/sql/ob_delete_stmt_printer.cpp
@ -0,0 +1,108 @@
+/**
+ * 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
+#include "sql/ob_delete_stmt_printer.h"
+#include "sql/ob_sql_context.h"
+namespace oceanbase {
+using namespace common;
+namespace sql {
+
+void ObDeleteStmtPrinter::init(char* buf, int64_t buf_len, int64_t* pos, ObDeleteStmt* stmt)
+{
+  ObDMLStmtPrinter::init(buf, buf_len, pos, stmt);
+}
+
+int ObDeleteStmtPrinter::do_print()
+{
+  int ret = OB_SUCCESS;
+
+  if (OB_UNLIKELY(!is_inited_)) {
+    ret = OB_NOT_INIT;
+    LOG_WARN("not inited!", K(ret));
+  } else if (OB_ISNULL(stmt_)) {
+    ret = OB_ERR_UNEXPECTED;
+    LOG_WARN("stmt should not be NULL", K(ret));
+  } else {
+    expr_printer_.init(buf_, buf_len_, pos_, print_params_);
+    if (OB_FAIL(print())) {
+      LOG_WARN("fail to print stmt", K(ret));
+    }
+  }
+
+  return ret;
+}
+
+int ObDeleteStmtPrinter::print()
+{
+  int ret = OB_SUCCESS;
+
+  if (OB_ISNULL(stmt_)) {
+    ret = OB_ERR_UNEXPECTED;
+    LOG_WARN("stmt_ should not be NULL", K(ret));
+  } else if (OB_FAIL(print_basic_stmt())) {
+    LOG_WARN("fail to print basic stmt", K(ret), K(*stmt_));
+  } else { /*do nothing*/
+  }
+
+  return ret;
+}
+
+int ObDeleteStmtPrinter::print_basic_stmt()
+{
+  int ret = OB_SUCCESS;
+
+  if (OB_ISNULL(stmt_)) {
+    ret = OB_ERR_UNEXPECTED;
+    LOG_WARN("stmt_ should not be NULL", K(ret));
+  } else if (OB_FAIL(print_delete())) {
+    LOG_WARN("fail to print select", K(ret), K(*stmt_));
+  } else if (OB_FAIL(print_from())) {
+    LOG_WARN("fail to print from", K(ret), K(*stmt_));
+  } else if (OB_FAIL(print_where())) {
+    LOG_WARN("fail to print where", K(ret), K(*stmt_));
+  } else if (OB_FAIL(print_order_by())) {
+    LOG_WARN("fail to print order by", K(ret), K(*stmt_));
+  } else if (OB_FAIL(print_limit())) {
+    LOG_WARN("fail to print limit", K(ret), K(*stmt_));
+  } else if (OB_FAIL(print_returning())) {
+    LOG_WARN("fail to print_returning", K(ret), K(*stmt_));
+  } else {
+    // do-nothing
+  }
+
+  return ret;
+}
+
+int ObDeleteStmtPrinter::print_delete()
+{
+  int ret = OB_SUCCESS;
+
+  if (OB_ISNULL(stmt_) || OB_ISNULL(buf_) || OB_ISNULL(pos_)) {
+    ret = OB_ERR_UNEXPECTED;
+    LOG_WARN("stmt_ is NULL or buf_ is NULL or pos_ is NULL", K(ret));
+  } else if (!stmt_->is_delete_stmt()) {
+    ret = OB_ERR_UNEXPECTED;
+    LOG_WARN("Not a valid delete stmt", K(stmt_->get_stmt_type()), K(ret));
+  } else {
+    DATA_PRINTF("delete ");
+    if (OB_SUCC(ret)) {
+      if (OB_FAIL(print_hint())) {  // hint
+        LOG_WARN("fail to print hint", K(ret), K(*stmt_));
+      }
+    }
+  }
+  return ret;
+}
+
+}  // end of namespace sql
+}  // end of namespace oceanbase