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json_depth

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This commit is contained in:
Rucha Deodhar
2025-05-22 15:42:12 +05:30
parent b555cf605e
commit 53870ac06f
24 changed files with 290 additions and 30 deletions
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24
utils/funcexp/func_json_value.cpp
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@@ -1,6 +1,7 @@
#include "functor_json.h"
#include "functioncolumn.h"
#include "constantcolumn.h"
#include "json_lib.h"
using namespace execplan;
#include "rowgroup.h"
@@ -62,6 +63,10 @@ bool JSONPathWrapper::extract(std::string& ret, rowgroup::Row& row, execplan::SP
execplan::SPTP& funcParamPath)
{
bool isNullJS = false, isNullPath = false;
MEM_ROOT_DYNAMIC_ARRAY array;
IntType arrayCounters[JSON_DEPTH_LIMIT];
int je_stack[JSON_DEPTH_LIMIT];
json_path_step_t p_steps[JSON_DEPTH_LIMIT];
const utils::NullString& js = funcParamJS->data()->getStrVal(row, isNullJS);
const utils::NullString& sjsp = funcParamPath->data()->getStrVal(row, isNullPath);
@@ -70,21 +75,32 @@ bool JSONPathWrapper::extract(std::string& ret, rowgroup::Row& row, execplan::SP
int error = 0;
mem_root_dynamic_array_init(NULL, PSI_INSTRUMENT_MEM | MY_INIT_BUFFER_USED | MY_BUFFER_NO_RESIZE,
&p.steps, sizeof(json_path_step_t), &p_steps,
JSON_DEPTH_LIMIT, 0, MYF(0));
if (json_path_setup(&p, getCharset(funcParamPath), (const uchar*)sjsp.str(), (const uchar*)sjsp.end()))
return true;
JSONEgWrapper je(getCharset(funcParamJS), reinterpret_cast<const uchar*>(js.str()),
reinterpret_cast<const uchar*>(js.end()));
mem_root_dynamic_array_init(NULL, PSI_INSTRUMENT_MEM | MY_INIT_BUFFER_USED | MY_BUFFER_NO_RESIZE,
&je.stack, sizeof(int), &je_stack,
JSON_DEPTH_LIMIT, 0, MYF(0));
currStep = p.steps;
currStep = (json_path_step_t*)p.steps.buffer;
mem_root_dynamic_array_init(NULL, PSI_INSTRUMENT_MEM | MY_INIT_BUFFER_USED | MY_BUFFER_NO_RESIZE,
&array, sizeof(int), &arrayCounters,
JSON_DEPTH_LIMIT, 0, MYF(0));
do
{
if (error)
return true;
IntType arrayCounters[JSON_DEPTH_LIMIT];
if (json_find_path(&je, &p, &currStep, arrayCounters))
if (json_find_path(&je, &p, &currStep, &array))
return true;
if (json_read_value(&je))