patch 4.0

2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
--- a/src/sql/engine/expr/ob_expr_rowid_to_char.cpp
+++ b/src/sql/engine/expr/ob_expr_rowid_to_char.cpp
@ -0,0 +1,93 @@
+/**
+ * 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_ENG
+
+#include "lib/oblog/ob_log.h"
+#include "sql/engine/expr/ob_expr_rowid_to_char.h"
+#include "objit/common/ob_item_type.h"
+#include "sql/session/ob_sql_session_info.h"
+
+namespace oceanbase
+{
+using namespace common;
+namespace sql
+{
+
+ObExprRowIDToChar::ObExprRowIDToChar(ObIAllocator &alloc)
+    : ObStringExprOperator(alloc, T_FUN_SYS_ROWID_TO_CHAR, N_ROWID_TO_CHAR, 1)
+{
+}
+
+ObExprRowIDToChar::~ObExprRowIDToChar()
+{
+}
+
+int ObExprRowIDToChar::calc_result_type1(ObExprResType &type,
+                                     ObExprResType &type1,
+                                     ObExprTypeCtx &type_ctx) const
+{
+  int ret = OB_SUCCESS;
+  const ObBasicSessionInfo *session = type_ctx.get_session();
+
+  CK(OB_NOT_NULL(session));
+  if (OB_SUCC(ret)) {
+    type.set_varchar();
+    type.set_collation_type(session->get_nls_collation());
+    type.set_collation_level(CS_LEVEL_IMPLICIT);
+    type.set_length_semantics(session->get_actual_nls_length_semantics());
+    type.set_length(type1.get_length());
+
+    type1.set_calc_type(ObURowIDType);
+  }
+  return ret;
+}
+
+int ObExprRowIDToChar::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
+                               ObExpr &rt_expr) const
+{
+  int ret = OB_SUCCESS;
+  UNUSED(expr_cg_ctx);
+  UNUSED(raw_expr);
+  CK(1 == rt_expr.arg_cnt_);
+  rt_expr.eval_func_ = eval_rowid_to_char;
+  return ret;
+}
+
+int ObExprRowIDToChar::eval_rowid_to_char(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum)
+{
+  int ret = OB_SUCCESS;
+  ObDatum *arg = NULL;
+  if (OB_FAIL(expr.eval_param_value(ctx, arg))) {
+    LOG_WARN("evaluate parameters failed", K(ret));
+  } else if (arg->is_null()) {
+    expr_datum.set_null();
+  } else {
+    ObURowIDData rowid_data = arg->get_urowid();
+    char *buf = NULL;
+    int64_t size = rowid_data.needed_base64_buffer_size();
+    int64_t pos = 0;
+    if (OB_ISNULL(buf = (char*)(expr.get_str_res_mem(ctx, size)))) {
+      ret = OB_ALLOCATE_MEMORY_FAILED;
+      LOG_WARN("alloc str_res mem failed", K(ret), K(size));
+    } else if (OB_FAIL(rowid_data.get_base64_str(buf, size, pos))) {
+      LOG_WARN("encode rowid obj failed", K(ret));
+    } else {
+      expr_datum.set_string(ObString(pos, buf));
+      LOG_DEBUG("calc rowid to char done", KPC(arg), K(expr_datum));
+    }
+  }
+  return ret;
+}
+
+} /* sql */
+} /* oceanbase */