Implement MySQL Function TO_BASE64() and FROM_BASE64()
This commit is contained in:
@ -470,6 +470,8 @@ ob_set_subtarget(ob_sql engine
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engine/expr/ob_expr_validate_password_strength.h
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engine/expr/ob_expr_benchmark.cpp
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engine/expr/ob_expr_benchmark.h
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engine/expr/ob_expr_to_base64.cpp
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engine/expr/ob_expr_from_base64.cpp
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engine/join/ob_basic_nested_loop_join.cpp
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engine/join/ob_block_based_nested_loop_join.cpp
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engine/join/ob_hash_join.cpp
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@ -1,13 +1,14 @@
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// (C) Copyright 2013-2016 Alibaba Inc. All Rights Reserved.
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// version 2 as published by the Free Software Foundation.
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// Version: $Id$
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// Authors:
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// peihan.dph@alibaba-inc.com
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// Normalizer:
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// peihan.dph@alibaba-inc.com
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// This file is for implementation of func expr_benchmark
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/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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||||
* 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
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||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#define USING_LOG_PREFIX SQL_ENG
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@ -113,4 +114,4 @@ void ObExprBenchmark::clear_all_flags(common::ObIArray<ObExpr *> &exprs, ObEvalC
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}
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} // end namespace sql
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} // end namespace oceanbase
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} // end namespace oceanbase
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@ -1,10 +1,15 @@
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// Copyright 2010-2016 Alibaba Inc. All Rights Reserved.
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// Author:
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// peihan.dph@alibaba-inc.com
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// Normalizer:
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// peihan.dph@alibaba-inc.com
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//
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// This file defines implementation for benchmark operator
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/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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||||
* You can use this software according to the terms and conditions of the Mulan PubL v2.
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||||
* 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,
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||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_BENCHMARK_
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#define OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_BENCHMARK_
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@ -190,6 +190,8 @@
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#include "ob_expr_validate_password_strength.h"
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#include "ob_expr_benchmark.h"
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#include "ob_expr_uuid_short.h"
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#include "ob_expr_to_base64.h"
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#include "ob_expr_from_base64.h"
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namespace oceanbase {
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using namespace common;
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@ -723,7 +725,9 @@ static ObExpr::EvalFunc g_expr_eval_functions[] = {
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ObExprInet6Ntoa::calc_inet6_ntoa, /* 457 */
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ObExprWeightString::eval_weight_string, /* 458 */
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ObExprConvertTZ::eval_convert_tz, /* 459 */
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ObExprCrc32::calc_crc32_expr /* 460 */
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ObExprCrc32::calc_crc32_expr, /* 460 */
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ObExprToBase64::eval_to_base64, /* 461 */
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ObExprFromBase64::eval_from_base64 /* 462 */
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};
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REG_SER_FUNC_ARRAY(OB_SFA_SQL_EXPR_EVAL, g_expr_eval_functions, ARRAYSIZEOF(g_expr_eval_functions));
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174
src/sql/engine/expr/ob_expr_from_base64.cpp
Normal file
174
src/sql/engine/expr/ob_expr_from_base64.cpp
Normal file
@ -0,0 +1,174 @@
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/**
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* Copyright (c) 2021 OceanBase
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||||
* 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.
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||||
* See the Mulan PubL v2 for more details.
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*/
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#define USING_LOG_PREFIX SQL_ENG
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#include "ob_expr_from_base64.h"
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#include "sql/session/ob_sql_session_info.h"
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#include "sql/engine/ob_exec_context.h"
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#include "sql/engine/expr/ob_expr_util.h"
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#include "lib/encode/ob_base64_encode.h"
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#include "lib/oblog/ob_log.h"
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using namespace oceanbase::common;
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namespace oceanbase {
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namespace sql {
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ObExprFromBase64::ObExprFromBase64(ObIAllocator &alloc)
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: ObFuncExprOperator(alloc, T_FUN_SYS_FROM_BASE64, N_FROM_BASE64, 1, NOT_ROW_DIMENSION)
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{}
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ObExprFromBase64::~ObExprFromBase64()
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{}
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int ObExprFromBase64::calc(ObObj &result, const ObObj &obj, ObIAllocator *allocator)
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{
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int ret = OB_SUCCESS;
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if (OB_ISNULL(allocator)) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("null allocator", K(ret), K(allocator));
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} else {
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const ObString &in_raw = obj.get_string();
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ObLength in_raw_len = in_raw.length();
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if (OB_UNLIKELY(in_raw_len == 0)) {
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result.set_string(obj.get_type(), nullptr, 0);
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} else {
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const char *buf = in_raw.ptr();
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int64_t buf_len = base64_needed_decoded_length(in_raw_len);
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int64_t pos = 0;
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char *output_buf = static_cast<char *>(allocator->alloc(buf_len));
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if (OB_ISNULL(output_buf)) {
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LOG_WARN("output_buf is null", K(ret), K(buf_len), K(in_raw_len));
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result.set_null();
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} else if (OB_FAIL(ObBase64Encoder::decode(
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buf, in_raw_len, reinterpret_cast<uint8_t *>(output_buf), buf_len, pos, true))) {
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if (OB_UNLIKELY(ret == OB_INVALID_ARGUMENT)) {
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ret = OB_SUCCESS;
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result.set_null();
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} else {
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LOG_WARN("failed to decode base64", K(ret));
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}
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} else {
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result.set_string(obj.get_type(), output_buf, pos);
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result.set_collation_level(obj.get_collation_level());
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result.set_collation_type(obj.get_collation_type());
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}
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}
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}
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return ret;
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}
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int ObExprFromBase64::calc_result1(ObObj &result, const ObObj &obj, ObExprCtx &expr_ctx) const
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{
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int ret = OB_SUCCESS;
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if (OB_UNLIKELY(obj.is_null())) {
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result.set_null();
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} else if (OB_FAIL(calc(result, obj, expr_ctx.calc_buf_))) {
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LOG_WARN("fail to calc function from_base64", K(ret), K(obj));
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} else {
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result.set_collation_level(obj.get_collation_level());
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result.set_collation_type(get_result_type().get_collation_type());
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}
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return ret;
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}
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int ObExprFromBase64::calc_result_type1(ObExprResType &type, ObExprResType &str, ObExprTypeCtx &type_ctx) const
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{
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UNUSED(type_ctx);
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int ret = OB_SUCCESS;
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str.set_calc_type(ObVarcharType);
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str.set_calc_collation_type(CS_TYPE_UTF8MB4_BIN);
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int64_t mbmaxlen = 0;
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int64_t max_result_length = 0;
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if (OB_FAIL(common::ObCharset::get_mbmaxlen_by_coll(str.get_collation_type(), mbmaxlen))) {
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LOG_WARN("fail to get mbmaxlen", K(type.get_collation_type()), K(ret));
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} else {
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max_result_length = base64_needed_decoded_length(str.get_length()) * mbmaxlen;
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if (max_result_length > MAX_BLOB_WIDTH) {
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max_result_length = MAX_BLOB_WIDTH;
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}
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int64_t max_l = max_result_length / mbmaxlen;
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int64_t max_deduce_length = max_l * mbmaxlen;
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if (max_deduce_length < OB_MAX_MONITOR_INFO_LENGTH) {
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type.set_varbinary();
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type.set_length(max_deduce_length);
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type.set_collation_level(CS_LEVEL_IMPLICIT);
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} else {
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type.set_blob();
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// TODO : Fixme the blob type do not need to set_length.
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// Maybe need wait ObDDLResolver::check_text_length fix the judge of length.
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type.set_length(max_deduce_length);
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}
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}
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return ret;
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}
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int ObExprFromBase64::eval_from_base64(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res)
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{
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int ret = OB_SUCCESS;
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ObDatum *arg = nullptr;
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ObExecContext* exec_ctx = &ctx.exec_ctx_;
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if (OB_FAIL(expr.args_[0]->eval(ctx, arg))) {
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LOG_WARN("eval arg failed", K(ret));
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} else if (OB_UNLIKELY(arg->is_null())) {
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res.set_null();
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} else {
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const ObString &in_raw = arg->get_string();
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ObLength in_raw_len = in_raw.length();
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if (OB_UNLIKELY(in_raw_len == 0)) {
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res.set_string(nullptr, 0);
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} else {
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const char *buf = in_raw.ptr();
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char *output_buf = nullptr;
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int64_t buf_len = base64_needed_decoded_length(in_raw_len);
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int64_t pos = 0;
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output_buf = static_cast<char *>(exec_ctx->get_allocator().alloc(buf_len));
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if (OB_ISNULL(output_buf)) {
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LOG_WARN("output_buf is null", K(ret), K(buf_len), K(in_raw_len));
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res.set_null();
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} else if (OB_FAIL(ObBase64Encoder::decode(
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buf, in_raw_len, reinterpret_cast<uint8_t *>(output_buf), buf_len, pos, true))) {
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if (OB_UNLIKELY(ret == OB_INVALID_ARGUMENT)) {
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ret = OB_SUCCESS;
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res.set_null();
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} else {
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LOG_WARN("failed to decode base64", K(ret));
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}
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} else {
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res.set_string(output_buf, pos);
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if (OB_FAIL(ObExprUtil::set_expr_ascii_result(expr, ctx, res, ObString(pos, output_buf)))) {
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LOG_WARN("set ASCII result failed", K(ret));
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}
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}
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}
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}
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return ret;
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}
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int ObExprFromBase64::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const
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{
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UNUSED(expr_cg_ctx);
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UNUSED(raw_expr);
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int ret = OB_SUCCESS;
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rt_expr.eval_func_ = ObExprFromBase64::eval_from_base64;
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return ret;
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}
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} // namespace sql
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} // namespace oceanbase
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44
src/sql/engine/expr/ob_expr_from_base64.h
Normal file
44
src/sql/engine/expr/ob_expr_from_base64.h
Normal file
@ -0,0 +1,44 @@
|
||||
/**
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef OCEANBASE_SQL_ENGINE_OB_EXPR_FROM_BASE64_
|
||||
#define OCEANBASE_SQL_ENGINE_OB_EXPR_FROM_BASE64_
|
||||
|
||||
#include "sql/engine/expr/ob_expr_operator.h"
|
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#include "share/object/ob_obj_cast.h"
|
||||
|
||||
namespace oceanbase {
|
||||
namespace sql {
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||||
class ObExprFromBase64 : public ObFuncExprOperator {
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public:
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explicit ObExprFromBase64(common::ObIAllocator &alloc);
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virtual ~ObExprFromBase64();
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virtual int calc_result1(common::ObObj &result, const common::ObObj &obj, common::ObExprCtx &expr_ctx) const;
|
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virtual int calc_result_type1(ObExprResType &type, ObExprResType &str, common::ObExprTypeCtx &type_ctx) const;
|
||||
virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const;
|
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static int eval_from_base64(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
|
||||
|
||||
private:
|
||||
DISALLOW_COPY_AND_ASSIGN(ObExprFromBase64);
|
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|
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static int calc(common::ObObj &result, const common::ObObj &obj1, common::ObIAllocator *allocator);
|
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static const int64_t NCHAR_PER_BASE64 = 4;
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static const int64_t NCHAR_PER_BASE64_GROUP = 3;
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static inline ObLength base64_needed_decoded_length(ObLength length_of_encoded_data)
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{
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return (ObLength)ceil(length_of_encoded_data * NCHAR_PER_BASE64_GROUP / NCHAR_PER_BASE64);
|
||||
}
|
||||
};
|
||||
} // namespace sql
|
||||
} // namespace oceanbase
|
||||
|
||||
#endif // OCEANBASE_SQL_ENGINE_OB_EXPR_FROM_BASE64_
|
||||
@ -274,6 +274,9 @@
|
||||
#include "sql/engine/expr/ob_expr_validate_password_strength.h"
|
||||
#include "sql/engine/expr/ob_expr_benchmark.h"
|
||||
#include "sql/engine/expr/ob_expr_uuid_short.h"
|
||||
#include "sql/engine/expr/ob_expr_convert_tz.h"
|
||||
#include "sql/engine/expr/ob_expr_to_base64.h"
|
||||
#include "sql/engine/expr/ob_expr_from_base64.h"
|
||||
|
||||
using namespace oceanbase::common;
|
||||
namespace oceanbase {
|
||||
@ -690,6 +693,8 @@ void ObExprOperatorFactory::register_expr_operators()
|
||||
REG_OP(ObExprWeightString);
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||||
REG_OP(ObExprBenchmark);
|
||||
REG_OP(ObExprDay);
|
||||
REG_OP(ObExprToBase64);
|
||||
REG_OP(ObExprFromBase64);
|
||||
// register oracle system function
|
||||
REG_OP_ORCL(ObExprSysConnectByPath);
|
||||
REG_OP_ORCL(ObExprTimestampNvl);
|
||||
|
||||
171
src/sql/engine/expr/ob_expr_to_base64.cpp
Normal file
171
src/sql/engine/expr/ob_expr_to_base64.cpp
Normal file
@ -0,0 +1,171 @@
|
||||
/**
|
||||
* 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 "ob_expr_to_base64.h"
|
||||
#include "sql/session/ob_sql_session_info.h"
|
||||
#include "sql/engine/ob_exec_context.h"
|
||||
#include "sql/engine/expr/ob_expr_util.h"
|
||||
#include "lib/encode/ob_base64_encode.h"
|
||||
#include "lib/oblog/ob_log.h"
|
||||
|
||||
using namespace oceanbase::common;
|
||||
namespace oceanbase {
|
||||
namespace sql {
|
||||
|
||||
ObExprToBase64::ObExprToBase64(ObIAllocator &alloc)
|
||||
: ObFuncExprOperator(alloc, T_FUN_SYS_TO_BASE64, N_TO_BASE64, 1, NOT_ROW_DIMENSION)
|
||||
{}
|
||||
|
||||
ObExprToBase64::~ObExprToBase64()
|
||||
{}
|
||||
|
||||
int ObExprToBase64::calc(ObObj &result, const ObObj &obj, ObIAllocator *allocator)
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
if (OB_ISNULL(allocator)) {
|
||||
ret = OB_INVALID_ARGUMENT;
|
||||
LOG_WARN("null allocator", K(ret), K(allocator));
|
||||
} else {
|
||||
const ObString &in_raw = obj.get_string();
|
||||
ObLength in_raw_len = in_raw.length();
|
||||
const char *buf = in_raw.ptr();
|
||||
int64_t buf_len = base64_needed_encoded_length(in_raw_len);
|
||||
if (OB_UNLIKELY(buf_len == 0)) {
|
||||
result.set_string(obj.get_type(), nullptr, 0);
|
||||
} else {
|
||||
int64_t pos = 0;
|
||||
char *output_buf = static_cast<char *>(allocator->alloc(buf_len));
|
||||
if (OB_ISNULL(output_buf)) {
|
||||
ret = OB_ALLOCATE_MEMORY_FAILED;
|
||||
LOG_WARN("failed to allocate memory", K(ret), K(buf_len), K(in_raw.length()));
|
||||
} else if (OB_FAIL(ObBase64Encoder::encode(reinterpret_cast<const uint8_t *>(buf),
|
||||
in_raw_len,
|
||||
output_buf,
|
||||
buf_len,
|
||||
pos,
|
||||
NUM_OF_CHAR_PER_LINE_QUOTED_PRINTABLE))) {
|
||||
LOG_WARN("failed to encode base64", K(ret));
|
||||
} else {
|
||||
result.set_string(obj.get_type(), output_buf, pos);
|
||||
}
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObExprToBase64::calc_result1(ObObj &result, const ObObj &obj, ObExprCtx &expr_ctx) const
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
|
||||
if (obj.is_null()) {
|
||||
result.set_null();
|
||||
} else if (OB_FAIL(calc(result, obj, expr_ctx.calc_buf_))) {
|
||||
LOG_WARN("fail to calc function to_base64", K(ret), K(obj));
|
||||
} else {
|
||||
result.set_collation_level(obj.get_collation_level());
|
||||
result.set_collation_type(get_result_type().get_collation_type());
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObExprToBase64::calc_result_type1(ObExprResType &type, ObExprResType &str, ObExprTypeCtx &type_ctx) const
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
|
||||
str.set_calc_type(ObVarcharType);
|
||||
str.set_calc_collation_type(str.is_string_type() ? str.get_collation_type() : CS_TYPE_UTF8MB4_BIN);
|
||||
|
||||
int64_t mbmaxlen = 0;
|
||||
int64_t max_result_length = 0;
|
||||
if (OB_FAIL(common::ObCharset::get_mbmaxlen_by_coll(str.get_collation_type(), mbmaxlen))) {
|
||||
LOG_WARN("fail to get mbmaxlen", K(str.get_collation_type()), K(ret));
|
||||
} else {
|
||||
max_result_length = (base64_needed_encoded_length(str.get_length()) - 1) * mbmaxlen;
|
||||
if (max_result_length > MAX_BLOB_WIDTH) {
|
||||
max_result_length = MAX_BLOB_WIDTH;
|
||||
}
|
||||
int64_t max_l = max_result_length / mbmaxlen;
|
||||
int64_t max_deduce_length = max_l * mbmaxlen;
|
||||
if (max_deduce_length < OB_MAX_MONITOR_INFO_LENGTH) {
|
||||
type.set_varchar();
|
||||
type.set_length(max_deduce_length);
|
||||
type.set_collation_type(get_default_collation_type(type.get_type(), *type_ctx.get_session()));
|
||||
} else {
|
||||
type.set_blob();
|
||||
// TODO : Fixme the blob type do not need to set_length.
|
||||
// Maybe need wait ObDDLResolver::check_text_length fix the judge of length.
|
||||
type.set_length(max_deduce_length);
|
||||
type.set_collation_type(get_default_collation_type(type.get_type(), *type_ctx.get_session()));
|
||||
}
|
||||
type.set_collation_level(CS_LEVEL_COERCIBLE);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObExprToBase64::eval_to_base64(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res)
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
ObDatum *arg = nullptr;
|
||||
ObExecContext* exec_ctx = &ctx.exec_ctx_;
|
||||
|
||||
if (OB_FAIL(expr.args_[0]->eval(ctx, arg))) {
|
||||
LOG_WARN("eval arg failed", K(ret));
|
||||
} else if (OB_UNLIKELY(arg->is_null())) {
|
||||
res.set_null();
|
||||
} else {
|
||||
const ObString &in_raw = arg->get_string();
|
||||
ObLength in_raw_len = in_raw.length();
|
||||
const char *buf = in_raw.ptr();
|
||||
char *output_buf = nullptr;
|
||||
int64_t buf_len = base64_needed_encoded_length(in_raw_len);
|
||||
if (OB_UNLIKELY(buf_len == 0)) {
|
||||
res.set_string(nullptr, 0);
|
||||
} else {
|
||||
int64_t pos = 0;
|
||||
output_buf = static_cast<char *>(exec_ctx->get_allocator().alloc(buf_len));
|
||||
if (OB_ISNULL(output_buf)) {
|
||||
ret = OB_ALLOCATE_MEMORY_FAILED;
|
||||
LOG_WARN("failed to allocate memory", K(ret), K(buf_len), K(in_raw.length()));
|
||||
} else if (OB_FAIL(ObBase64Encoder::encode(reinterpret_cast<const uint8_t *>(buf),
|
||||
in_raw_len,
|
||||
output_buf,
|
||||
buf_len,
|
||||
pos,
|
||||
NUM_OF_CHAR_PER_LINE_QUOTED_PRINTABLE))) {
|
||||
LOG_WARN("failed to encode base64", K(ret));
|
||||
} else {
|
||||
res.set_string(output_buf, pos);
|
||||
if (OB_FAIL(ObExprUtil::set_expr_ascii_result(expr, ctx, res, ObString(pos, output_buf)))) {
|
||||
LOG_WARN("set ASCII result failed", K(ret));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObExprToBase64::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const
|
||||
{
|
||||
UNUSED(expr_cg_ctx);
|
||||
UNUSED(raw_expr);
|
||||
int ret = OB_SUCCESS;
|
||||
rt_expr.eval_func_ = ObExprToBase64::eval_to_base64;
|
||||
return ret;
|
||||
}
|
||||
|
||||
} // namespace sql
|
||||
} // namespace oceanbase
|
||||
53
src/sql/engine/expr/ob_expr_to_base64.h
Normal file
53
src/sql/engine/expr/ob_expr_to_base64.h
Normal file
@ -0,0 +1,53 @@
|
||||
/**
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef OCEANBASE_SQL_ENGINE_OB_EXPR_TO_BASE64_
|
||||
#define OCEANBASE_SQL_ENGINE_OB_EXPR_TO_BASE64_
|
||||
|
||||
#include "sql/engine/expr/ob_expr_operator.h"
|
||||
#include "share/object/ob_obj_cast.h"
|
||||
|
||||
namespace oceanbase {
|
||||
namespace sql {
|
||||
class ObExprToBase64 : public ObFuncExprOperator {
|
||||
public:
|
||||
explicit ObExprToBase64(common::ObIAllocator &alloc);
|
||||
virtual ~ObExprToBase64();
|
||||
virtual int calc_result1(common::ObObj &result, const common::ObObj &obj, common::ObExprCtx &expr_ctx) const;
|
||||
virtual int calc_result_type1(ObExprResType &type, ObExprResType &str, common::ObExprTypeCtx &type_ctx) const;
|
||||
virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const;
|
||||
static int eval_to_base64(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
|
||||
|
||||
private:
|
||||
DISALLOW_COPY_AND_ASSIGN(ObExprToBase64);
|
||||
|
||||
static int calc(common::ObObj &result, const common::ObObj &obj1, common::ObIAllocator *allocator);
|
||||
static const int64_t NCHAR_PER_BASE64 = 4;
|
||||
static const int64_t NCHAR_PER_BASE64_GROUP = 3;
|
||||
static const int64_t NCHAR_PER_STR_PAD = 2;
|
||||
static const int64_t NUM_OF_CHAR_PER_LINE_QUOTED_PRINTABLE = 76;
|
||||
static inline ObLength base64_needed_encoded_length(ObLength length_of_data)
|
||||
{
|
||||
ObLength nb_base64_chars;
|
||||
if (length_of_data == 0) {
|
||||
return 0;
|
||||
}
|
||||
nb_base64_chars = (length_of_data + NCHAR_PER_STR_PAD) / NCHAR_PER_BASE64_GROUP * NCHAR_PER_BASE64;
|
||||
return nb_base64_chars + /* base64 char incl padding */
|
||||
(nb_base64_chars - 1) / 76 + /* newlines */
|
||||
1; /* NUL termination of string */
|
||||
}
|
||||
};
|
||||
} // namespace sql
|
||||
} // namespace oceanbase
|
||||
|
||||
#endif // OCEANBASE_SQL_ENGINE_OB_EXPR_TO_BASE64_
|
||||
@ -1,6 +1,14 @@
|
||||
// Copyright (c) 2021 Alibaba Inc. All Rights Reserved.
|
||||
// Author:
|
||||
// renqing <sean.yyj@antgroup.com>
|
||||
/**
|
||||
* 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
|
||||
|
||||
|
||||
@ -1,6 +1,14 @@
|
||||
// Copyright (c) 2021 Alibaba Inc. All Rights Reserved.
|
||||
// Author:
|
||||
// renqing <sean.yyj@antgroup.com>
|
||||
/**
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef SRC_SQL_ENGINE_EXPR_OB_EXPR_VALIDATE_PASSWORD_STRENGTH_H_
|
||||
#define SRC_SQL_ENGINE_EXPR_OB_EXPR_VALIDATE_PASSWORD_STRENGTH_H_
|
||||
|
||||
@ -443,6 +443,8 @@ typedef enum ObItemType {
|
||||
T_FUN_SYS_WEIGHT_STRING = 729,
|
||||
T_FUN_SYS_CRC32 = 730,
|
||||
T_FUN_SYS_DAY = 731,
|
||||
T_FUN_SYS_TO_BASE64 = 732,
|
||||
T_FUN_SYS_FROM_BASE64 = 733,
|
||||
///< @note add new mysql only function type before this line
|
||||
T_MYSQL_ONLY_SYS_MAX_OP = 800,
|
||||
|
||||
|
||||
Reference in New Issue
Block a user