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patch 4.0

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This commit is contained in:
wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
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376
src/sql/engine/expr/ob_expr_regexp_instr.cpp
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@ -22,18 +22,24 @@
using namespace oceanbase::common;
namespace oceanbase {
namespace sql {
namespace oceanbase
{
namespace sql
{
ObExprRegexpInstr::ObExprRegexpInstr(ObIAllocator& alloc)
: ObFuncExprOperator(alloc, T_FUN_SYS_REGEXP_INSTR, N_REGEXP_INSTR, MORE_THAN_ONE, NOT_ROW_DIMENSION)
{}
ObExprRegexpInstr::ObExprRegexpInstr(ObIAllocator &alloc)
: ObFuncExprOperator(alloc, T_FUN_SYS_REGEXP_INSTR, N_REGEXP_INSTR, MORE_THAN_ONE, NOT_ROW_DIMENSION)
{
}
ObExprRegexpInstr::~ObExprRegexpInstr()
{}
{
}
int ObExprRegexpInstr::calc_result_typeN(
ObExprResType& type, ObExprResType* types, int64_t param_num, common::ObExprTypeCtx& type_ctx) const
int ObExprRegexpInstr::calc_result_typeN(ObExprResType &type,
ObExprResType *types,
int64_t param_num,
common::ObExprTypeCtx &type_ctx) const
{
UNUSED(type_ctx);
int ret = OB_SUCCESS;
@ -49,7 +55,7 @@ int ObExprRegexpInstr::calc_result_typeN(
LOG_WARN("the parameter is not castable", K(ret), K(i));
}
}
if (lib::is_oracle_mode()) { // set default value
if (lib::is_oracle_mode()) {//set default value
type.set_calc_type(ObVarcharType);
type.set_calc_collation_type(ObCharset::get_default_collation_oracle(CHARSET_UTF8MB4));
type.set_calc_collation_level(CS_LEVEL_IMPLICIT);
@ -58,7 +64,8 @@ int ObExprRegexpInstr::calc_result_typeN(
type.set_scale(NUMBER_SCALE_UNKNOWN_YET);
} else {
ObObjMeta type_metas[2] = {types[0], types[1]};
if (OB_FAIL(aggregate_charsets_for_comparison(type.get_calc_meta(), type_metas, 2, type_ctx.get_coll_type()))) {
if (OB_FAIL(aggregate_charsets_for_comparison(
type.get_calc_meta(), type_metas, 2, type_ctx.get_coll_type()))) {
LOG_WARN("fail to aggregate charsets for comparison", K(ret), K(types[0]), K(types[1]));
} else {
type.set_int();
@ -66,19 +73,18 @@ int ObExprRegexpInstr::calc_result_typeN(
type.set_precision(ObAccuracy::DDL_DEFAULT_ACCURACY[ObIntType].precision_);
}
}
if (OB_SUCC(ret)) { // because of regexp engine need utf8 code, here need reset calc collation type and can
// implicit cast.
if (OB_SUCC(ret)) {//because of regexp engine need utf8 code, here need reset calc collation type and can implicit cast.
switch (param_num) {
case 7:
if (share::is_oracle_mode()) {
if (lib::is_oracle_mode()) {
types[6].set_calc_type(ObNumberType);
} else { // mysql8.0 only has 6 arguments
} else {//mysql8.0 only has 6 arguments
ret = OB_INVALID_ARGUMENT;
LOG_WARN("too many arguments for regexp_instr in mysql mode", K(ret));
}
case 6:
types[5].set_calc_type(ObVarcharType);
case 5:
case 5:
if (lib::is_oracle_mode()) {
types[4].set_calc_type(ObNumberType);
} else {
@ -123,193 +129,49 @@ int ObExprRegexpInstr::calc_result_typeN(
return ret;
}
int ObExprRegexpInstr::calc_resultN(
common::ObObj& result, const common::ObObj* objs, int64_t param_num, common::ObExprCtx& expr_ctx) const
int ObExprRegexpInstr::calc(int64_t &ret_pos,
const ObString &text,
const ObString &pattern,
int64_t position,
int64_t occurrence,
int64_t return_option,
const ObCollationType cs_type,
const ObString &match_param,
int64_t subexpr,
bool has_null_argument,
bool reusable,
ObExprRegexContext *regexp_ptr,
ObExprStringBuf &string_buf,
ObIAllocator &exec_ctx_alloc)
{
int ret = OB_SUCCESS;
bool has_null = false;
ObString text, pattern, match_param;
int64_t position = 1, occurrence = 1, subexpr = 0, return_option = 0;
bool is_flag_null = false;
if (OB_ISNULL(expr_ctx.calc_buf_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("varchar buffer not init or exec ctx or physical plan ctx is NULL", K(expr_ctx.calc_buf_));
} else {
for (int i = 0; !has_null && i < param_num; i++) {
// match param is null, use default flags
if (objs[i].is_null()) {
if (share::is_oracle_mode() && i == 5) { // compatible oracle
} else {
has_null = true;
is_flag_null = (i == 5);
}
}
}
for (int i = 0; OB_SUCC(ret) && i < param_num; i++) {
if (!objs[i].is_null() && !is_type_valid(objs[i].get_type())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), K(i), K(objs[i]));
}
}
if (OB_SUCC(ret)) {
switch (param_num) {
case 7:
if (!objs[6].is_null()) {
TYPE_CHECK(objs[6], ObNumberType);
if (OB_FAIL(ObExprUtil::get_trunc_int64(objs[6], expr_ctx, subexpr))) {
LOG_WARN("fail get position", K(subexpr), K(ret));
break;
} else if (OB_UNLIKELY(subexpr < 0)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("regexp_instr subexpr is invalid", K(ret), K(subexpr));
break;
}
}
case 6:
if (!objs[5].is_null()) {
TYPE_CHECK(objs[5], ObVarcharType);
match_param = objs[5].get_string();
}
case 5:
if (!objs[4].is_null()) {
if (lib::is_oracle_mode()) {
TYPE_CHECK(objs[4], ObNumberType);
} else {
TYPE_CHECK(objs[4], ObIntType);
}
if (OB_FAIL(ObExprUtil::get_trunc_int64(objs[4], expr_ctx, return_option))) {
LOG_WARN("fail get position", K(return_option), K(ret));
break;
} else if (lib::is_mysql_mode() && OB_UNLIKELY(return_option < 0 || return_option > 1)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("regexp_instr return_option is invalid", K(ret), K(return_option));
break;
} else if (lib::is_oracle_mode() && OB_UNLIKELY(return_option < 0)) {
ret = OB_ERR_ARGUMENT_OUT_OF_RANGE;
LOG_WARN("regexp_instr return_option is invalid", K(ret), K(return_option));
break;
}
}
case 4:
if (!objs[3].is_null()) {
if (lib::is_oracle_mode()) {
TYPE_CHECK(objs[3], ObNumberType);
} else {
TYPE_CHECK(objs[3], ObIntType);
}
if (OB_FAIL(ObExprUtil::get_trunc_int64(objs[3], expr_ctx, occurrence))) {
LOG_WARN("fail get position", K(occurrence), K(ret));
break;
} else if (OB_UNLIKELY(occurrence < 0)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("regexp_instr occurrence is invalid", K(ret), K(occurrence));
break;
}
}
case 3:
if (!objs[2].is_null()) {
if (lib::is_oracle_mode()) {
TYPE_CHECK(objs[2], ObNumberType);
} else {
TYPE_CHECK(objs[2], ObIntType);
}
if (OB_FAIL(ObExprUtil::get_trunc_int64(objs[2], expr_ctx, position))) {
LOG_WARN("fail get position", K(position), K(ret));
break;
} else if (OB_UNLIKELY(position <= 0)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("regexp_instr position is invalid", K(ret), K(position));
break;
}
}
case 2:
if (!objs[1].is_null()) {
TYPE_CHECK(objs[1], ObVarcharType);
pattern = objs[1].get_string();
if (share::is_mysql_mode() && pattern.empty() && !is_flag_null) { // compatible mysql
ret = OB_ERR_REGEXP_ERROR;
LOG_WARN("empty regex expression", K(ret));
}
}
if (OB_FAIL(ret)) {
} else if (!objs[0].is_null() && !objs[0].is_clob()) {
TYPE_CHECK(objs[0], ObVarcharType);
text = objs[0].get_string();
} else if (objs[0].is_clob()) {
text = objs[0].get_string();
}
default:
break;
}
ObExprRegexContext regexp_obj;
if (OB_SUCC(ret)) {
int64_t ret_pos = 0;
if (OB_FAIL(calc(ret_pos,
text,
pattern,
position,
occurrence,
return_option,
result_type_.get_calc_collation_type(),
match_param,
subexpr,
has_null,
&regexp_obj,
*expr_ctx.calc_buf_))) {
LOG_WARN(
"fail to cacl regexp_substr", K(ret), K(text), K(pattern), K(occurrence), K(match_param), K(subexpr));
} else if (has_null) {
result.set_null();
} else {
// Use %result_type_ instead of lib::is_mysql_mode() here to compatible with
// old version which return ObNumberType in mysql mode.
if (result_type_.get_type() == ObIntType) {
result.set_int(ret_pos);
} else {
number::ObNumber num;
if (OB_FAIL(num.from(ret_pos, *expr_ctx.calc_buf_))) {
LOG_WARN("fail to get ObNumber from ret_pos", K(ret), K(ret_pos));
} else {
result.set_number(num);
}
}
}
}
}
}
return ret;
}
int ObExprRegexpInstr::calc(int64_t& ret_pos, const ObString& text, const ObString& pattern, int64_t position,
int64_t occurrence, int64_t return_option, const ObCollationType cs_type, const ObString& match_param,
int64_t subexpr, bool has_null_argument, ObExprRegexContext* regexp_ptr, ObExprStringBuf& string_buf)
{
int ret = OB_SUCCESS;
// begin with '^'
//begin with '^'
bool from_begin = false;
// end with '$'
//end with '$'
bool from_end = false;
ret_pos = 0;
ObExprRegexContext* regexp_instr_ctx = regexp_ptr;
ObSEArray<uint32_t, 4> begin_locations(common::ObModIds::OB_SQL_EXPR_REPLACE, common::OB_MALLOC_NORMAL_BLOCK_SIZE);
ObExprRegexContext *regexp_instr_ctx = regexp_ptr;
ObSEArray<uint32_t, 4> begin_locations(common::ObModIds::OB_SQL_EXPR_REPLACE,
common::OB_MALLOC_NORMAL_BLOCK_SIZE);
int flags = 0, multi_flag = 0;
const bool reusable = false;
int64_t sub = 0;
if (OB_ISNULL(regexp_instr_ctx)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("regexp ptr is null", K(ret));
} else if (!regexp_instr_ctx->is_inited()) {
if (OB_FAIL(ObExprRegexpCount::get_regexp_flags(cs_type, match_param, flags, multi_flag))) {
LOG_WARN("fail to get regexp flags", K(ret), K(match_param));
} else if (OB_FAIL(regexp_instr_ctx->init(pattern, flags, string_buf, reusable))) {
LOG_WARN("fail to init regexp", K(pattern), K(flags));
}
} else if (OB_FAIL(ObExprRegexpCount::get_regexp_flags(cs_type, match_param,
flags, multi_flag))) {
LOG_WARN("fail to get regexp flags", K(ret), K(match_param));
} else if (OB_FAIL(regexp_instr_ctx->init(pattern, flags,
reusable ? exec_ctx_alloc : string_buf,
reusable))) {
LOG_WARN("fail to init regexp", K(pattern), K(flags));
}
if (OB_SUCC(ret)) {
//为了更好的和oracle兼容
if (has_null_argument) {
// ret_pos = 0;
} else if (position <= 0 || occurrence <= 0) {
if (share::is_oracle_mode()) {
if (lib::is_oracle_mode()) {
ret = OB_ERR_ARGUMENT_OUT_OF_RANGE;
} else {
ret = OB_INVALID_ARGUMENT;
@ -331,14 +193,16 @@ int ObExprRegexpInstr::calc(int64_t& ret_pos, const ObString& text, const ObStri
} else {
ObSEArray<size_t, 4> byte_num;
ObSEArray<size_t, 4> byte_offsets;
if (OB_FAIL(ObExprUtil::get_mb_str_info(
text, ObCharset::get_default_collation_oracle(CHARSET_UTF8MB4), byte_num, byte_offsets))) {
if (OB_FAIL(ObExprUtil::get_mb_str_info(text,
ObCharset::get_default_collation_oracle(CHARSET_UTF8MB4),
byte_num,
byte_offsets))) {
LOG_WARN("failed to get mb str info", K(ret));
} else if (multi_flag) {
if (from_begin && 1 != position) {
begin_locations.pop_back();
}
const char* text_ptr = text.ptr();
const char *text_ptr = text.ptr();
for (int64_t idx = position; OB_SUCC(ret) && idx < byte_offsets.count() - 1; ++idx) {
if (OB_UNLIKELY(byte_offsets.at(idx) >= text.length())) {
ret = OB_ERR_UNEXPECTED;
@ -351,17 +215,11 @@ int ObExprRegexpInstr::calc(int64_t& ret_pos, const ObString& text, const ObStri
}
}
if (OB_SUCC(ret)) {
if (OB_FAIL(regexp_instr_ctx->instr(
text, occurrence, return_option, subexpr, sub, string_buf, from_begin, from_end, begin_locations))) {
LOG_WARN("fail to get location",
K(ret),
K(text),
K(pattern),
K(occurrence),
K(match_param),
K(position),
K(subexpr));
} else if (sub >= 0) {
if (OB_FAIL(regexp_instr_ctx->instr(text, occurrence, return_option, subexpr, sub,
string_buf, from_begin, from_end, begin_locations))) {
LOG_WARN("fail to get location", K(ret), K(text), K(pattern),
K(occurrence), K(match_param), K(position), K(subexpr));
} else if (sub >= 0 ){
ret_pos = sub + 1;
} else {
ret_pos = 0;
@ -373,75 +231,101 @@ int ObExprRegexpInstr::calc(int64_t& ret_pos, const ObString& text, const ObStri
return ret;
}
int ObExprRegexpInstr::cg_expr(ObExprCGCtx&, const ObRawExpr&, ObExpr& rt_expr) const
int ObExprRegexpInstr::cg_expr(ObExprCGCtx &op_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const
{
int ret = OB_SUCCESS;
UNUSED(op_cg_ctx);
CK(2 <= rt_expr.arg_cnt_ && rt_expr.arg_cnt_ <= 7);
rt_expr.eval_func_ = &eval_regexp_instr;
CK(raw_expr.get_param_count() >= 2);
if (OB_SUCC(ret)) {
const ObRawExpr *text = raw_expr.get_param_expr(0);
const ObRawExpr *pattern = raw_expr.get_param_expr(1);
if (OB_ISNULL(text) || OB_ISNULL(pattern)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(text), K(pattern), K(ret));
} else {
const bool const_text = text->is_const_expr();
const bool const_pattern = pattern->is_const_expr();
rt_expr.extra_ = (!const_text && const_pattern) ? 1 : 0;
rt_expr.eval_func_ = &eval_regexp_instr;
LOG_DEBUG("regexp instr expr cg", K(const_text), K(const_pattern), K(rt_expr.extra_));
}
}
return ret;
}
int ObExprRegexpInstr::eval_regexp_instr(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum)
int ObExprRegexpInstr::eval_regexp_instr(
const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum)
{
int ret = OB_SUCCESS;
ObDatum* text = NULL;
ObDatum* pattern = NULL;
ObDatum* position = NULL;
ObDatum* occurrence = NULL;
ObDatum* return_opt = NULL;
ObDatum* flags = NULL;
ObDatum* subexpr = NULL;
if (OB_FAIL(expr.eval_param_value(ctx, text, pattern, position, occurrence, return_opt, flags, subexpr))) {
ObDatum *text = NULL;
ObDatum *pattern = NULL;
ObDatum *position = NULL;
ObDatum *occurrence = NULL;
ObDatum *return_opt = NULL;
ObDatum *flags = NULL;
ObDatum *subexpr= NULL;
if (OB_FAIL(expr.eval_param_value(
ctx, text, pattern, position, occurrence, return_opt, flags, subexpr))) {
LOG_WARN("evaluate parameters failed", K(ret));
} else {
bool is_flag_null = (NULL != flags && flags->is_null());
const bool null_result =
(text->is_null() || pattern->is_null() || (NULL != position && position->is_null()) ||
(NULL != occurrence && occurrence->is_null()) || (NULL != return_opt && return_opt->is_null()) ||
(NULL != subexpr && subexpr->is_null()) || (share::is_mysql_mode() && is_flag_null));
const bool null_result = (text->is_null()
|| pattern->is_null()
|| (NULL != position && position->is_null())
|| (NULL != occurrence && occurrence->is_null())
|| (NULL != return_opt && return_opt->is_null())
|| (NULL != subexpr && subexpr->is_null())
|| (lib::is_mysql_mode() && is_flag_null));
int64_t pos = 1;
int64_t occur = 1;
int64_t return_opt_val = 0;
int64_t subexpr_val = 0;
if (OB_FAIL(ObExprUtil::get_int_param_val(position, pos)) ||
OB_FAIL(ObExprUtil::get_int_param_val(occurrence, occur)) ||
OB_FAIL(ObExprUtil::get_int_param_val(return_opt, return_opt_val)) ||
OB_FAIL(ObExprUtil::get_int_param_val(subexpr, subexpr_val))) {
if (OB_FAIL(ObExprUtil::get_int_param_val(position, pos))
|| OB_FAIL(ObExprUtil::get_int_param_val(occurrence, occur))
|| OB_FAIL(ObExprUtil::get_int_param_val(return_opt, return_opt_val))
|| OB_FAIL(ObExprUtil::get_int_param_val(subexpr, subexpr_val))) {
LOG_WARN("get integer parameter value failed", K(ret));
} else if (pos <= 0 || occur < 0 || subexpr_val < 0 ||
(share::is_mysql_mode() && (return_opt_val < 0 || return_opt_val > 1))) {
} else if (pos <= 0 || occur < 0 || subexpr_val < 0
|| (lib::is_mysql_mode() && (return_opt_val < 0 || return_opt_val > 1))) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("regexp_instr position or occurrence or return_option or subexpr is invalid",
K(ret),
K(pos),
K(occur),
K(subexpr_val));
} else if (share::is_oracle_mode() && return_opt_val < 0) {
K(ret), K(pos), K(occur), K(subexpr_val));
} else if (lib::is_oracle_mode() && return_opt_val < 0) {
ret = OB_ERR_ARGUMENT_OUT_OF_RANGE;
LOG_WARN("regexp_instr return_option is invalid", K(ret), K(return_opt_val));
}
ObString match_param = (NULL != flags && !flags->is_null()) ? flags->get_string() : ObString();
ObString match_param = (NULL != flags && !flags->is_null())
? flags->get_string()
: ObString();
int64_t res_pos = 0;
ObExprRegexContext regexp_ctx;
ObIAllocator& alloc = ctx.get_reset_tmp_alloc();
ObEvalCtx::TempAllocGuard alloc_guard(ctx);
ObIAllocator &alloc = alloc_guard.get_allocator();
ObExprRegexContext local_regex_ctx;
ObExprRegexContext *regexp_ctx = &local_regex_ctx;
const bool reusable = (0 != expr.extra_) && ObExpr::INVALID_EXP_CTX_ID != expr.expr_ctx_id_;
if (OB_SUCC(ret) && reusable) {
if (NULL == (regexp_ctx = static_cast<ObExprRegexContext *>(
ctx.exec_ctx_.get_expr_op_ctx(expr.expr_ctx_id_)))) {
if (OB_FAIL(ctx.exec_ctx_.create_expr_op_ctx(expr.expr_ctx_id_, regexp_ctx))) {
LOG_WARN("create expr regex context failed", K(ret), K(expr));
} else if (OB_ISNULL(regexp_ctx)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("NULL context returned", K(ret));
}
}
}
if (OB_FAIL(ret)) {
} else if (share::is_mysql_mode() && !pattern->is_null() && pattern->get_string().empty() &&
!is_flag_null) { // compatible mysql
} else if (lib::is_mysql_mode() && !pattern->is_null() &&
pattern->get_string().empty() && !is_flag_null) {//compatible mysql
ret = OB_ERR_REGEXP_ERROR;
LOG_WARN("empty regex expression", K(ret));
} else if (OB_FAIL(calc(res_pos,
text->get_string(),
pattern->get_string(),
pos,
occur,
return_opt_val,
expr.args_[0]->datum_meta_.cs_type_,
match_param,
subexpr_val,
null_result,
&regexp_ctx,
alloc))) {
} else if (OB_FAIL(calc(res_pos, text->get_string(), pattern->get_string(),
pos, occur, return_opt_val,
expr.args_[0]->datum_meta_.cs_type_, match_param, subexpr_val,
null_result, reusable, regexp_ctx, alloc,
ctx.exec_ctx_.get_allocator()))) {
} else if (null_result) {
expr_datum.set_null();
} else {
@ -462,5 +346,5 @@ int ObExprRegexpInstr::eval_regexp_instr(const ObExpr& expr, ObEvalCtx& ctx, ObD
return ret;
}
} // namespace sql
} // namespace oceanbase
}
}