611 lines
23 KiB
C++
611 lines
23 KiB
C++
/**
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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:
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* 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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#include <string.h>
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#include "share/object/ob_obj_cast.h"
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#include "objit/common/ob_item_type.h"
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#include "sql/engine/expr/ob_expr_func_dump.h"
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#include "sql/session/ob_sql_session_info.h"
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#include "sql/engine/expr/ob_expr_util.h"
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namespace oceanbase
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{
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using namespace common;
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namespace sql
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{
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const int64_t MAX_DUMP_BUFFER_SIZE = 1024;
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const char *CONST_HEADER = "Typ=%d Len=%ld: ";
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enum ReturnFormat {
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RF_OB_SEPC = 0,
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RF_OCT = 8,//8
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RF_DEC = 10,//10
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RF_HEX = 16,//16
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RF_ASCII = 17,//17
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};
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ObExprFuncDump::ObExprFuncDump(ObIAllocator &alloc)
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: ObStringExprOperator(alloc, T_FUN_SYS_DUMP, N_DUMP, MORE_THAN_ZERO, NOT_VALID_FOR_GENERATED_COL)
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{
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}
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ObExprFuncDump::~ObExprFuncDump()
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{
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}
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int print_value(char *tmp_buf, const int64_t buff_size, int64_t &pos,
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const ObString &value_string, const int64_t fmt_enum,
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const int64_t start_pos, const int64_t print_value_len)
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{
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int ret = common::OB_SUCCESS;
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ObString print_value_string;
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if (OB_UNLIKELY(print_value_len < 0)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("print_value_len should not less then zero", K(ret), K(print_value_len));
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} else {
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if (start_pos > 1) {
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if (start_pos > value_string.length()) {
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//empty
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} else {
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print_value_string.assign_ptr(value_string.ptr() + start_pos - 1, MIN((value_string.length() - start_pos), print_value_len));
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}
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} else if (start_pos < 0) {
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if (-start_pos > value_string.length()) {
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print_value_string.assign_ptr(value_string.ptr(), MIN((value_string.length()), print_value_len));
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} else {
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print_value_string.assign_ptr(value_string.ptr() + value_string.length() + start_pos, MIN((-start_pos), print_value_len));
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}
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} else {
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print_value_string.assign_ptr(value_string.ptr(), MIN((value_string.length()), print_value_len));
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}
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if (ReturnFormat::RF_ASCII == fmt_enum) {
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for (int64_t i = 0; i < print_value_string.length() && OB_SUCC(ret); ++i) {
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if (isprint(print_value_string[i])) {
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if (OB_FAIL(databuff_printf(tmp_buf, buff_size, pos, "%c,", print_value_string[i]))) {
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LOG_WARN("failed to databuff_printf", K(ret), K(pos));
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}
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} else {
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if (OB_FAIL(databuff_printf(tmp_buf, buff_size, pos, "%x,", (unsigned)(unsigned char)print_value_string[i]))) {
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LOG_WARN("failed to databuff_printf", K(ret), K(pos));
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}
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}
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}
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} else {//%u, %x, %o
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char fmt_str[4] = {0};
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fmt_str[0] = '%';
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fmt_str[1] = (ReturnFormat::RF_HEX == fmt_enum ? 'x' : (ReturnFormat::RF_OCT == fmt_enum ? 'o' : 'u'));
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fmt_str[2] = ',';
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for (int64_t i = 0; i < print_value_string.length() && OB_SUCC(ret); ++i) {
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if (OB_FAIL(databuff_printf(tmp_buf, buff_size, pos, fmt_str, (unsigned)(unsigned char)print_value_string[i]))) {
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LOG_WARN("failed to databuff_printf", K(ret), K(pos));
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}
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}
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}
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}
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if (OB_SUCC(ret)) {
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pos -= 1;
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LOG_DEBUG("succ to print_value", K(value_string), K(print_value_string), K(fmt_enum), K(start_pos), K(print_value_len), K(pos));
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}
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return ret;
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}
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int ObExprFuncDump::calc_result_typeN(ObExprResType &type,
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ObExprResType *types,
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int64_t param_num,
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common::ObExprTypeCtx &type_ctx) const
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{
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int ret = OB_SUCCESS;
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CK(NULL != type_ctx.get_session());
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CK(NULL != types);
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CK(param_num >= 1);
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if (OB_FAIL(ret)) {
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} else if (lib::is_oracle_mode()) {
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if (OB_UNLIKELY(types[0].is_clob() || types[0].is_blob())) {
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ret = OB_ERR_INVALID_TYPE_FOR_OP;
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LOG_WARN("type not support now", K(param_num), K(types[0].get_type()), K(ret));
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} else if (OB_UNLIKELY(param_num > 4)) {
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ret = OB_NOT_SUPPORTED;
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LOG_WARN("too many argument not support now", K(param_num), K(ret));
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LOG_USER_ERROR(OB_NOT_SUPPORTED, "too many argument");
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} else if (types[0].is_null()) {
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type.set_null();
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} else {
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type.set_varchar();
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type.set_collation_level(common::CS_LEVEL_COERCIBLE);
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type.set_collation_type(type_ctx.get_coll_type());
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type.set_length(MAX_DUMP_BUFFER_SIZE);
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const common::ObLengthSemantics default_length_semantics = (OB_NOT_NULL(type_ctx.get_session()) ? type_ctx.get_session()->get_actual_nls_length_semantics() : common::LS_BYTE);
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type.set_length_semantics(default_length_semantics);
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if (param_num > 1) {
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types[1].set_calc_type(ObNumberType);
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}
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if (param_num > 2) {
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types[2].set_calc_type(ObNumberType);
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}
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if (param_num > 3) {
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types[3].set_calc_type(ObNumberType);
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}
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}
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} else {
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if (OB_UNLIKELY(param_num > 1)) {
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ret = OB_NOT_SUPPORTED;
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LOG_WARN("too many argument not support now", K(param_num), K(ret));
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LOG_USER_ERROR(OB_NOT_SUPPORTED, "too many argument");
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} else if (types[0].is_null()) {
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type.set_null();
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} else {
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type.set_varchar();
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type.set_collation_level(common::CS_LEVEL_COERCIBLE);
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type.set_default_collation_type();
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type.set_length(types[0].get_length());
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}
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}
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return ret;
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}
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int ObExprFuncDump::calc_params(const common::ObObj *objs,
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const int64_t param_num,
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int64_t &fmt_enum,
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int64_t &start_pos,
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int64_t &print_value_len) const
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{
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int ret = OB_SUCCESS;
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fmt_enum = ReturnFormat::RF_DEC;//default
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start_pos = 0;
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print_value_len = MAX_DUMP_BUFFER_SIZE;
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if (param_num > 1) {
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int64_t fmt_param = 0;
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if (objs[1].is_null()) {
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fmt_param = ReturnFormat::RF_DEC;
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} else if (OB_FAIL(objs[1].get_number().extract_valid_int64_with_trunc(fmt_param))) {
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LOG_WARN("failed to extract_valid_int64_with_trunc", K(ret), "number", objs[1].get_number());
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} else {
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if (fmt_param < ReturnFormat::RF_OB_SEPC || fmt_param >= ReturnFormat::RF_ASCII) {
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fmt_enum = ReturnFormat::RF_ASCII;
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} else if (ReturnFormat::RF_OB_SEPC == fmt_param
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|| ReturnFormat::RF_OCT == fmt_param
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|| ReturnFormat::RF_DEC == fmt_param
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|| ReturnFormat::RF_HEX == fmt_param) {
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fmt_enum = fmt_param;
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} else {
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fmt_enum = ReturnFormat::RF_DEC;//default
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}
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}
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}
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if (OB_SUCC(ret) && param_num > 2) {
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if (OB_FAIL(objs[2].get_number().extract_valid_int64_with_trunc(start_pos))) {
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LOG_WARN("failed to extract_valid_int64_with_trunc", K(ret), "number", objs[2].get_number());
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}
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}
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if (OB_SUCC(ret) && param_num > 3) {
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if (OB_FAIL(objs[3].get_number().extract_valid_int64_with_trunc(print_value_len))) {
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LOG_WARN("failed to extract_valid_int64_with_trunc", K(ret), "number", objs[3].get_number());
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} else {
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print_value_len = std::abs(print_value_len);
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if (0 == print_value_len) {
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print_value_len = MAX_DUMP_BUFFER_SIZE;
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}
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}
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}
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LOG_DEBUG("finish calc_params", K(ret), K(param_num), K(fmt_enum), K(start_pos), K(print_value_len));
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return ret;
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}
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int ObExprFuncDump::calc_number(const common::ObObj &input,
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const int64_t fmt_enum,
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int64_t &start_pos,
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int64_t &print_value_len,
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common::ObString &output) const
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{
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int ret = OB_SUCCESS;
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if (OB_UNLIKELY(!input.is_number() && !input.is_number_float())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("only number arrive here", K(input), K(ret));
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} else {
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const number::ObNumber nmb = input.get_number();
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char *tmp_buf = output.ptr();
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int64_t buff_size = output.size();
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int64_t pos = output.length();
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if (OB_FAIL(databuff_printf(tmp_buf, buff_size, pos, CONST_HEADER,
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input.get_type(), nmb.get_deep_copy_size()))) {
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LOG_WARN("failed to databuff_printf", K(ret), K(nmb));
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} else if (ReturnFormat::RF_OB_SEPC == fmt_enum) {
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if (OB_FAIL(databuff_print_obj(tmp_buf, buff_size, pos, nmb))) {
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LOG_WARN("failed to databuff_printf", K(ret), K(pos));
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}
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} else {
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const int64_t MAX_DATATYPE_VALUE_SIZE = number::ObNumber::MAX_BYTE_LEN;
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char tmp_value_buf[MAX_DATATYPE_VALUE_SIZE] = {0};
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int64_t value_pos = 0;
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const uint32_t tmp_desc_value = nmb.get_desc_value();
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MEMCPY(tmp_value_buf, &tmp_desc_value, sizeof(uint32_t));
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MEMCPY(tmp_value_buf + sizeof(uint32_t), nmb.get_digits(), sizeof(uint32_t) * nmb.get_length());
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value_pos = sizeof(uint32_t) + sizeof(uint32_t) * nmb.get_length();
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ObString value_string(value_pos, tmp_value_buf);
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if (OB_FAIL(print_value(tmp_buf, buff_size, pos, value_string, fmt_enum, start_pos, print_value_len))) {
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LOG_WARN("failed to print_value", K(ret), K(pos), K(fmt_enum));
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}
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}
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if (OB_SUCC(ret)) {
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output.set_length(pos);
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LOG_DEBUG("succ to dump number", K(input), K(fmt_enum), K(output));
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}
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}
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return ret;
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}
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int ObExprFuncDump::calc_otimestamp(const common::ObObj &input,
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const int64_t fmt_enum,
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int64_t &start_pos,
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int64_t &print_value_len,
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common::ObString &output) const
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{
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int ret = OB_SUCCESS;
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if (OB_UNLIKELY(!input.is_otimestamp_type() && !input.is_datetime())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("only otimestamp arrive here", K(input), K(ret));
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} else {
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ObOTimestampData odata = input.get_otimestamp_value();
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char *tmp_buf = output.ptr();
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int64_t buff_size = output.size();
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int64_t pos = output.length();
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if (input.is_datetime()
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&& OB_FAIL(databuff_printf(tmp_buf, buff_size, pos, CONST_HEADER,
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input.get_type(), sizeof(int64_t)))) {
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LOG_WARN("failed to databuff_printf", K(ret), K(input));
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} else if (input.is_otimestamp_type()
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&& OB_FAIL(databuff_printf(tmp_buf, buff_size, pos, CONST_HEADER,
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input.get_type(), input.get_otimestamp_store_size()))) {
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LOG_WARN("failed to databuff_printf", K(ret), K(input));
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} else if (ReturnFormat::RF_OB_SEPC == fmt_enum) {
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if (input.is_datetime()) {
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odata.time_ctx_.desc_ = 0;
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} else if (!input.is_timestamp_tz()) {
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odata.time_ctx_.tz_desc_ = 0;
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}
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if (OB_FAIL(databuff_print_obj(tmp_buf, buff_size, pos, odata))) {
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LOG_WARN("failed to databuff_printf", K(ret), K(pos));
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}
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} else {
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const int64_t MAX_DATATYPE_VALUE_SIZE = sizeof(ObOTimestampData);
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char tmp_value_buf[MAX_DATATYPE_VALUE_SIZE] = {0};
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int64_t value_pos = 0;
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if (input.is_timestamp_tz()) {
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MEMCPY(tmp_value_buf, &odata.time_ctx_.desc_, sizeof(uint32_t));
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value_pos = sizeof(uint32_t);
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} else if (!input.is_datetime()) {
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const uint16_t tail_nsec = odata.time_ctx_.tail_nsec_;
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MEMCPY(tmp_value_buf, &tail_nsec, sizeof(uint16_t));
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value_pos = sizeof(uint16_t);
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}
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MEMCPY(tmp_value_buf + value_pos, &odata.time_us_, sizeof(int64_t));
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value_pos += sizeof(int64_t);
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ObString value_string(value_pos, tmp_value_buf);
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if (OB_FAIL(print_value(tmp_buf, buff_size, pos, value_string, fmt_enum, start_pos, print_value_len))) {
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LOG_WARN("failed to print_value", K(ret), K(pos), K(fmt_enum));
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}
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}
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if (OB_SUCC(ret)) {
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output.set_length(pos);
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LOG_DEBUG("succ to dump otimestamp", K(input), K(fmt_enum), K(output));
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}
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}
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return ret;
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}
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int ObExprFuncDump::calc_string(const common::ObObj &input,
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const int64_t fmt_enum,
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int64_t &start_pos,
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int64_t &print_value_len,
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common::ObString &output) const
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{
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int ret = OB_SUCCESS;
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if (OB_UNLIKELY(!ob_is_string_type(input.get_type())
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&& !ob_is_raw(input.get_type())
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&& !ob_is_rowid_tc(input.get_type()))) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("only string type arrive here", K(input), K(ret));
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} else {
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char *tmp_buf = output.ptr();
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int64_t buff_size = output.size();
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int64_t pos = output.length();
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if (OB_FAIL(databuff_printf(tmp_buf, buff_size, pos, CONST_HEADER,
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input.get_type(), input.get_val_len()))) {
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LOG_WARN("failed to databuff_printf", K(ret), K(input));
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} else if (OB_FAIL(print_value(tmp_buf, buff_size, pos, input.get_string(), fmt_enum, start_pos, print_value_len))) {
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LOG_WARN("failed to print_value", K(ret), K(pos), K(fmt_enum));
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} else {
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output.set_length(pos);
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LOG_DEBUG("succ to dump string", K(input), K(fmt_enum), K(output));
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}
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}
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return ret;
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}
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int ObExprFuncDump::calc_double(const common::ObObj &input,
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const int64_t fmt_enum,
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int64_t &start_pos,
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int64_t &print_value_len,
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common::ObString &output) const
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{
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int ret = OB_SUCCESS;
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if (OB_UNLIKELY(!input.is_float() && !input.is_double())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("only float/double type arrive here", K(input), K(ret));
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} else {
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char *tmp_buf = output.ptr();
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int64_t buff_size = output.size();
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int64_t pos = output.length();
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const int64_t print_size = (input.is_float() ? sizeof(float) : sizeof(double));
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if (OB_FAIL(databuff_printf(tmp_buf, buff_size, pos, CONST_HEADER,
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input.get_type(), print_size))) {
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LOG_WARN("failed to databuff_printf", K(ret), K(input));
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} else {
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const int64_t MAX_DATATYPE_VALUE_SIZE = sizeof(double);
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char tmp_value_buf[MAX_DATATYPE_VALUE_SIZE] = {0};
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int64_t value_pos = 0;
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if (input.is_double()) {
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const double tmp_value = input.get_double();
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MEMCPY(tmp_value_buf, &tmp_value, sizeof(double));
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value_pos = sizeof(double);
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} else {
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const float tmp_value = input.get_float();
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MEMCPY(tmp_value_buf, &tmp_value, sizeof(float));
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value_pos = sizeof(float);
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}
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ObString value_string(value_pos, tmp_value_buf);
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if (OB_FAIL(print_value(tmp_buf, buff_size, pos, value_string, fmt_enum, start_pos, print_value_len))) {
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LOG_WARN("failed to print_value", K(ret), K(pos), K(fmt_enum));
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}
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}
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if (OB_SUCC(ret)) {
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output.set_length(pos);
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LOG_DEBUG("succ to dump float/double", K(input), K(fmt_enum), K(output));
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}
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}
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return ret;
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}
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int ObExprFuncDump::calc_interval(const common::ObObj &input,
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const int64_t fmt_enum,
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int64_t &start_pos,
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int64_t &print_value_len,
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common::ObString &output) const
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{
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int ret = OB_SUCCESS;
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if (OB_UNLIKELY(!input.is_interval_ds() && !input.is_interval_ym())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("only interval arrive here", K(input), K(ret));
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} else {
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char *tmp_buf = output.ptr();
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int64_t buff_size = output.size();
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int64_t pos = output.length();
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const ObIntervalDSValue tmp_interval_ds_value = input.get_interval_ds();
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const ObIntervalYMValue tmp_interval_ym_value = input.get_interval_ym();
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if (OB_FAIL(databuff_printf(tmp_buf, buff_size, pos, CONST_HEADER,
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input.get_type(), input.get_interval_store_size()))) {
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LOG_WARN("failed to databuff_printf", K(ret), K(input));
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|
} else if (ReturnFormat::RF_OB_SEPC == fmt_enum) {
|
|
if (input.is_interval_ds()) {
|
|
if (OB_FAIL(databuff_print_obj(tmp_buf, buff_size, pos, (tmp_interval_ds_value)))) {
|
|
LOG_WARN("failed to databuff_printf", K(ret), K(pos));
|
|
}
|
|
} else {
|
|
if (OB_FAIL(databuff_print_obj(tmp_buf, buff_size, pos, (tmp_interval_ym_value)))) {
|
|
LOG_WARN("failed to databuff_printf", K(ret), K(pos));
|
|
}
|
|
}
|
|
} else {
|
|
const int64_t MAX_DATATYPE_VALUE_SIZE = MAX(sizeof(ObIntervalDSValue), sizeof(ObIntervalYMValue));
|
|
char tmp_value_buf[MAX_DATATYPE_VALUE_SIZE] = {0};
|
|
int64_t value_pos = 0;
|
|
if (input.is_interval_ds()) {
|
|
MEMCPY(tmp_value_buf, &tmp_interval_ds_value.fractional_second_, sizeof(int32_t));
|
|
MEMCPY(tmp_value_buf + sizeof(int32_t), &tmp_interval_ds_value.nsecond_, sizeof(int64_t));
|
|
value_pos = sizeof(int32_t) + sizeof(int64_t);
|
|
} else {
|
|
MEMCPY(tmp_value_buf, &tmp_interval_ym_value.nmonth_, sizeof(int64_t));
|
|
value_pos = sizeof(int64_t);
|
|
}
|
|
ObString value_string(value_pos, tmp_value_buf);
|
|
|
|
if (OB_FAIL(print_value(tmp_buf, buff_size, pos, value_string, fmt_enum, start_pos, print_value_len))) {
|
|
LOG_WARN("failed to print_value", K(ret), K(pos), K(fmt_enum));
|
|
}
|
|
}
|
|
|
|
if (OB_SUCC(ret)) {
|
|
output.set_length(pos);
|
|
LOG_DEBUG("succ to dump interval", K(input), K(fmt_enum), K(output));
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int dump_ob_spec(char *buf, int64_t buf_len, int64_t &buf_pos, bool &dumped,
|
|
const ObExpr &expr, const ObDatum &datum)
|
|
{
|
|
dumped = true;
|
|
int ret = OB_SUCCESS;
|
|
switch(expr.datum_meta_.type_) {
|
|
case ObNumberType:
|
|
case ObNumberFloatType: {
|
|
number::ObNumber nmb(datum.get_number());
|
|
OZ(databuff_print_obj(buf, buf_len, buf_pos, nmb));
|
|
break;
|
|
}
|
|
case ObDateTimeType: {
|
|
OZ(databuff_print_obj(buf, buf_len, buf_pos, ObOTimestampData(
|
|
datum.get_datetime(), ObOTimestampData::UnionTZCtx())));
|
|
break;
|
|
}
|
|
|
|
case ObTimestampTZType: {
|
|
OZ(databuff_print_obj(buf, buf_len, buf_pos, datum.get_otimestamp_tz()));
|
|
break;
|
|
}
|
|
|
|
case ObTimestampLTZType:
|
|
case ObTimestampNanoType: {
|
|
OZ(databuff_print_obj(buf, buf_len, buf_pos, datum.get_otimestamp_tiny()));
|
|
break;
|
|
}
|
|
case ObIntervalYMType: {
|
|
const ObIntervalYMValue tmp_interval_ym_value(datum.get_interval_ym());
|
|
OZ(databuff_print_obj(buf, buf_len, buf_pos, tmp_interval_ym_value));
|
|
break;
|
|
}
|
|
case ObIntervalDSType: {
|
|
OZ(databuff_print_obj(buf, buf_len, buf_pos, datum.get_interval_ds()));
|
|
break;
|
|
}
|
|
default: {
|
|
dumped = false;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int ObExprFuncDump::cg_expr(ObExprCGCtx &, const ObRawExpr &, ObExpr &rt_expr) const
|
|
{
|
|
int ret = OB_SUCCESS;
|
|
CK(rt_expr.arg_cnt_ >= 1 && rt_expr.arg_cnt_ <= 4);
|
|
rt_expr.eval_func_ = &ObExprFuncDump::eval_dump;
|
|
return ret;
|
|
}
|
|
|
|
int ObExprFuncDump::eval_dump(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum)
|
|
{
|
|
int ret = OB_SUCCESS;
|
|
if (is_oracle_mode()) {
|
|
ObDatum *input = NULL;
|
|
ObDatum *fmt = NULL;
|
|
ObDatum *pos = NULL;
|
|
ObDatum *len = NULL;
|
|
if (OB_FAIL(expr.eval_param_value(ctx, input, fmt, pos, len))) {
|
|
LOG_WARN("evaluate parameters failed", K(ret));
|
|
} else if (input->is_null()) {
|
|
expr_datum.set_null();
|
|
} else {
|
|
int64_t fmt_val = ReturnFormat::RF_DEC;//default
|
|
int64_t pos_val = 1;
|
|
int64_t len_val = input->len_;
|
|
|
|
if (OB_FAIL(ObExprUtil::get_int_param_val(fmt, fmt_val))
|
|
|| OB_FAIL(ObExprUtil::get_int_param_val(pos, pos_val))
|
|
|| OB_FAIL(ObExprUtil::get_int_param_val(len, len_val))) {
|
|
LOG_WARN("get int parameter value failed", K(ret));
|
|
} else {
|
|
// parameter process same with ObExprFuncDump::calc_params
|
|
if (fmt_val < ReturnFormat::RF_OB_SEPC || fmt_val >= ReturnFormat::RF_ASCII) {
|
|
fmt_val = ReturnFormat::RF_ASCII;
|
|
} else if (!(ReturnFormat::RF_OB_SEPC == fmt_val
|
|
|| ReturnFormat::RF_OCT == fmt_val
|
|
|| ReturnFormat::RF_DEC == fmt_val
|
|
|| ReturnFormat::RF_HEX == fmt_val)) {
|
|
fmt_val = ReturnFormat::RF_DEC; // default
|
|
}
|
|
len_val = std::abs(len_val);
|
|
if (0 == len_val) {
|
|
len_val = input->len_;
|
|
}
|
|
|
|
char buf[MAX_DUMP_BUFFER_SIZE] = {0};
|
|
int64_t buf_len = sizeof(buf);
|
|
int64_t buf_pos = 0;
|
|
bool dumped = false;
|
|
if (OB_FAIL(databuff_printf(buf, buf_len, buf_pos, CONST_HEADER,
|
|
expr.args_[0]->datum_meta_.type_,
|
|
static_cast<int64_t>(input->len_)))) {
|
|
LOG_WARN("data buffer print fail", K(ret));
|
|
} else if (ReturnFormat::RF_OB_SEPC == fmt_val) {
|
|
if (OB_FAIL(dump_ob_spec(buf, buf_len, buf_pos, dumped, *expr.args_[0], *input))) {
|
|
LOG_WARN("dump ob spec failed", K(ret));
|
|
} else if (!dumped) {
|
|
// dump ob spec not supported, fail back to ReturnFormat::RF_DEC
|
|
fmt_val = ReturnFormat::RF_DEC;
|
|
}
|
|
}
|
|
|
|
if (OB_SUCC(ret) && !dumped) {
|
|
if (OB_FAIL(print_value(buf, buf_len, buf_pos, ObString(input->len_, input->ptr_),
|
|
fmt_val, pos_val, len_val))) {
|
|
LOG_WARN("print value failed", K(ret));
|
|
}
|
|
}
|
|
|
|
if (OB_SUCC(ret)) {
|
|
if (OB_FAIL(ObExprUtil::set_expr_ascii_result(
|
|
expr, ctx, expr_datum, ObString(buf_pos, buf)))) {
|
|
LOG_WARN("set ASCII result failed", K(ret));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
ObDatum *input = NULL;
|
|
if (OB_FAIL(expr.eval_param_value(ctx, input))) {
|
|
LOG_WARN("evaluate parameters failed", K(ret));
|
|
} else if (input->is_null()) {
|
|
expr_datum.set_null();
|
|
} else {
|
|
switch (expr.args_[0]->datum_meta_.type_) {
|
|
case ObNumberType: {
|
|
number::ObNumber nmb(input->get_number());
|
|
const char *nmb_str = to_cstring(nmb);
|
|
ObString src_str(0, (int32_t)strlen(nmb_str), const_cast<char *>(nmb_str));
|
|
if (OB_FAIL(ObExprUtil::set_expr_ascii_result(
|
|
expr, ctx, expr_datum, src_str))) {
|
|
LOG_WARN("set ASCII result failed", K(ret));
|
|
}
|
|
break;
|
|
}
|
|
case ObNullType: {
|
|
expr_datum.set_null();
|
|
}
|
|
break;
|
|
default: {
|
|
ret = OB_NOT_SUPPORTED;
|
|
LOG_WARN("type not support now", K(expr.args_[0]->datum_meta_.type_), K(ret));
|
|
LOG_USER_ERROR(OB_NOT_SUPPORTED, "The input type of the DUMP function");
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
} // namespace sql
|
|
} // namespace oceanbase
|