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Add a limit (as runtime value) for long in queries

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This commit is contained in:
mariadb-AndreyPiskunov
2023-07-21 22:14:50 +03:00
parent 6ff121a91c
commit 05547f2342
8 changed files with 132 additions and 60 deletions
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69
dbcon/mysql/ha_mcs_execplan.cpp
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@ -32,6 +32,7 @@
#include <vector>
#include <map>
#include <limits>
#include "messagelog.h"
#include <string.h>
@ -56,6 +57,7 @@ using namespace logging;
#include "ha_subquery.h"
#include "ha_mcs_pushdown.h"
#include "ha_tzinfo.h"
#include "ha_mcs_logging.h"
using namespace cal_impl_if;
#include "aggregatecolumn.h"
@ -1881,7 +1883,8 @@ bool buildPredicateItem(Item_func* ifp, gp_walk_info* gwip)
}
}
if (get_fe_conn_info_ptr() == NULL) {
if (get_fe_conn_info_ptr() == NULL)
{
set_fe_conn_info_ptr((void*)new cal_connection_info());
thd_set_ha_data(current_thd, mcs_hton, get_fe_conn_info_ptr());
}
@ -2078,7 +2081,8 @@ bool buildPredicateItem(Item_func* ifp, gp_walk_info* gwip)
}
if (udf->result_type() == STRING_RESULT)
gwip->rcWorkStack.push(new ConstantColumn(buf.ptr())); // XXX: constantcolumn from string = can it be NULL?
gwip->rcWorkStack.push(
new ConstantColumn(buf.ptr())); // XXX: constantcolumn from string = can it be NULL?
else
{
gwip->rcWorkStack.push(new ConstantColumn(buf.ptr(), ConstantColumn::NUM));
@ -2796,7 +2800,8 @@ void setError(THD* thd, uint32_t errcode, string errmsg)
thd->raise_error_printf(errcode, errmsg.c_str());
// reset expressionID
if (get_fe_conn_info_ptr() == NULL) {
if (get_fe_conn_info_ptr() == NULL)
{
set_fe_conn_info_ptr((void*)new cal_connection_info());
thd_set_ha_data(current_thd, mcs_hton, get_fe_conn_info_ptr());
}
@ -3606,7 +3611,8 @@ ReturnedColumn* buildBooleanConstantColumn(Item* item, gp_walk_info& gwi, bool&
ArithmeticColumn* buildArithmeticColumn(Item_func* item, gp_walk_info& gwi, bool& nonSupport)
{
if (get_fe_conn_info_ptr() == NULL) {
if (get_fe_conn_info_ptr() == NULL)
{
set_fe_conn_info_ptr((void*)new cal_connection_info());
thd_set_ha_data(current_thd, mcs_hton, get_fe_conn_info_ptr());
}
@ -3867,7 +3873,8 @@ ArithmeticColumn* buildArithmeticColumn(Item_func* item, gp_walk_info& gwi, bool
ReturnedColumn* buildFunctionColumn(Item_func* ifp, gp_walk_info& gwi, bool& nonSupport, bool selectBetweenIn)
{
if (get_fe_conn_info_ptr() == NULL) {
if (get_fe_conn_info_ptr() == NULL)
{
set_fe_conn_info_ptr((void*)new cal_connection_info());
thd_set_ha_data(current_thd, mcs_hton, get_fe_conn_info_ptr());
}
@ -3960,7 +3967,8 @@ ReturnedColumn* buildFunctionColumn(Item_func* ifp, gp_walk_info& gwi, bool& non
nonSupport = true;
gwi.fatalParseError = true;
Message::Args args;
string info = funcName + " with argument count > " + std::to_string(std::numeric_limits<uint16_t>::max());
string info =
funcName + " with argument count > " + std::to_string(std::numeric_limits<uint16_t>::max());
args.add(info);
gwi.parseErrorText = IDBErrorInfo::instance()->errorMsg(ERR_NON_SUPPORTED_FUNCTION, args);
return NULL;
@ -4044,7 +4052,6 @@ ReturnedColumn* buildFunctionColumn(Item_func* ifp, gp_walk_info& gwi, bool& non
// @todo. merge this logic to buildParseTree().
if ((funcName == "if" && i == 0) || funcName == "xor")
{
// make sure the rcWorkStack is cleaned.
gwi.clauseType = WHERE;
sptp.reset(buildParseTree(ifp->arguments()[i], gwi, nonSupport));
@ -4445,7 +4452,8 @@ ReturnedColumn* buildFunctionColumn(Item_func* ifp, gp_walk_info& gwi, bool& non
FunctionColumn* buildCaseFunction(Item_func* item, gp_walk_info& gwi, bool& nonSupport)
{
if (get_fe_conn_info_ptr() == NULL) {
if (get_fe_conn_info_ptr() == NULL)
{
set_fe_conn_info_ptr((void*)new cal_connection_info());
thd_set_ha_data(current_thd, mcs_hton, get_fe_conn_info_ptr());
}
@ -4872,7 +4880,8 @@ ReturnedColumn* buildAggregateColumn(Item* item, gp_walk_info& gwi)
vector<SRCP> orderCols;
ConstArgParam constArgParam;
if (get_fe_conn_info_ptr() == NULL) {
if (get_fe_conn_info_ptr() == NULL)
{
set_fe_conn_info_ptr((void*)new cal_connection_info());
thd_set_ha_data(current_thd, mcs_hton, get_fe_conn_info_ptr());
}
@ -5533,8 +5542,6 @@ because it has multiple arguments.";
return ac;
}
void addIntervalArgs(gp_walk_info* gwip, Item_func* ifp, FunctionParm& functionParms)
{
string funcName = ifp->func_name();
@ -5700,7 +5707,7 @@ void gp_walk(const Item* item, void* arg)
{
case INT_RESULT:
{
Item* non_const_item = const_cast<Item*>(item);
Item* non_const_item = const_cast<Item*>(item);
gwip->rcWorkStack.push(buildReturnedColumn(non_const_item, *gwip, gwip->fatalParseError));
break;
}
@ -5902,7 +5909,10 @@ void gp_walk(const Item* item, void* arg)
// bug 3137. If filter constant like 1=0, put it to ptWorkStack
// MariaDB bug 750. Breaks if compare is an argument to a function.
// if ((int32_t)gwip->rcWorkStack.size() <= (gwip->rcBookMarkStack.empty() ? 0
// if ((int32_t)gwip->rcWorkStack.size() <=
//(gwip->rcBookMarkStack.empty()
//?
// 0
//: gwip->rcBookMarkStack.top())
// && isPredicateFunction(ifp, gwip))
if (isPredicateFunction(ifp, gwip))
@ -6178,12 +6188,13 @@ void gp_walk(const Item* item, void* arg)
if (operand)
{
gwip->rcWorkStack.push(operand);
if (i == 0 && gwip->scsp == NULL) // first item is the WHEN LHS
if (i == 0 && gwip->scsp == NULL) // first item is the WHEN LHS
{
SimpleColumn* sc = dynamic_cast<SimpleColumn*>(operand);
if (sc)
{
gwip->scsp.reset(sc->clone()); // We need to clone else sc gets double deleted. This code is rarely executed so the cost is acceptable.
gwip->scsp.reset(sc->clone()); // We need to clone else sc gets double deleted. This code is
// rarely executed so the cost is acceptable.
}
}
}
@ -7086,6 +7097,18 @@ int processWhere(SELECT_LEX& select_lex, gp_walk_info& gwi, SCSEP& csep, const s
filters = extractCommonLeafConjunctionsToRoot(filters);
}
uint64_t limit = get_max_in_limit_query_length(gwi.thd);
if (filters && !checkFiltersLimit(filters, limit))
{
gwi.fatalParseError = true;
setError(gwi.thd, ER_CHECK_NOT_IMPLEMENTED,
"long in clauses. Query exceeds max_in_limit_query_length threshold: consider changing the "
"value via SET @var_name := value;",
gwi);
return ER_CHECK_NOT_IMPLEMENTED;
}
// Append outer join filters at the end of inner join filters.
// JLF_ExecPlanToJobList::walkTree processes ParseTree::left
// before ParseTree::right which is what we intend to do in the
@ -7361,8 +7384,7 @@ void buildInToExistsFilter(gp_walk_info& gwi, SELECT_LEX& select_lex)
* error id as an int
***********************************************************/
int getSelectPlan(gp_walk_info& gwi, SELECT_LEX& select_lex, SCSEP& csep, bool isUnion,
bool isSelectHandlerTop, bool isSelectLexUnit,
const std::vector<COND*>& condStack)
bool isSelectHandlerTop, bool isSelectLexUnit, const std::vector<COND*>& condStack)
{
#ifdef DEBUG_WALK_COND
cerr << "getSelectPlan()" << endl;
@ -7390,8 +7412,7 @@ int getSelectPlan(gp_walk_info& gwi, SELECT_LEX& select_lex, SCSEP& csep, bool i
CalpontSelectExecutionPlan::SelectList derivedTbList;
// @bug 1796. Remember table order on the FROM list.
gwi.clauseType = FROM;
if ((rc = processFrom(isUnion, select_lex, gwi, csep, isSelectHandlerTop,
isSelectLexUnit)))
if ((rc = processFrom(isUnion, select_lex, gwi, csep, isSelectHandlerTop, isSelectLexUnit)))
{
return rc;
}
@ -7855,7 +7876,8 @@ int getSelectPlan(gp_walk_info& gwi, SELECT_LEX& select_lex, SCSEP& csep, bool i
gwi.returnedCols[i]->hasAggregate(true);
}
gwi.returnedCols[i]->resultType(CalpontSystemCatalog::ColType::convertUnionColType(coltypes, unionedTypeRc));
gwi.returnedCols[i]->resultType(
CalpontSystemCatalog::ColType::convertUnionColType(coltypes, unionedTypeRc));
if (unionedTypeRc != 0)
{
@ -9089,14 +9111,14 @@ int getGroupPlan(gp_walk_info& gwi, SELECT_LEX& select_lex, SCSEP& csep, cal_gro
{
// MCOL-1052 The condition could be useless.
// MariaDB bug 624 - without the fix_fields call, delete with join may error with "No query step".
//#if MYSQL_VERSION_ID < 50172
// #if MYSQL_VERSION_ID < 50172
//@bug 3039. fix fields for constants
if (!icp->fixed())
{
icp->fix_fields(gwi.thd, (Item**)&icp);
}
//#endif
// #endif
gwi.fatalParseError = false;
#ifdef DEBUG_WALK_COND
cerr << "------------------ WHERE -----------------------" << endl;
@ -9690,7 +9712,8 @@ int getGroupPlan(gp_walk_info& gwi, SELECT_LEX& select_lex, SCSEP& csep, cal_gro
gwi.returnedCols[i]->hasAggregate(true);
}
gwi.returnedCols[i]->resultType(CalpontSystemCatalog::ColType::convertUnionColType(coltypes, unionedTypeRc));
gwi.returnedCols[i]->resultType(
CalpontSystemCatalog::ColType::convertUnionColType(coltypes, unionedTypeRc));
if (unionedTypeRc != 0)
{