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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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20
utils/funcexp/func_json_contains_path.cpp
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@@ -65,12 +65,17 @@ bool Func_json_contains_path::getBoolVal(Row& row, FunctionParm& fp, bool& isNul
if (paths.size() == 0)
hasFound.assign(argSize, false);
vector<vector<json_path_step_t>> p_steps_arr(paths.size(), vector<json_path_step_t>(32));
for (size_t i = 2; i < fp.size(); i++)
{
JSONPath& path = paths[i - 2];
if (!path.parsed)
{
mem_root_dynamic_array_init(NULL, PSI_INSTRUMENT_MEM | MY_INIT_BUFFER_USED | MY_BUFFER_NO_RESIZE,
&path.p.steps, sizeof(json_path_step_t), &p_steps_arr[i-4],
JSON_DEPTH_LIMIT, 0, MYF(0));
if (parseJSPath(path, row, fp[i]))
{
isNull = true;
@@ -83,7 +88,17 @@ bool Func_json_contains_path::getBoolVal(Row& row, FunctionParm& fp, bool& isNul
}
json_engine_t jsEg;
int jsEg_stack[JSON_DEPTH_LIMIT];
json_path_t p;
json_path_step_t p_steps[JSON_DEPTH_LIMIT];
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));
mem_root_dynamic_array_init(NULL, PSI_INSTRUMENT_MEM | MY_INIT_BUFFER_USED | MY_BUFFER_NO_RESIZE,
&jsEg.stack, sizeof(int), &jsEg_stack,
JSON_DEPTH_LIMIT, 0, MYF(0));
json_get_path_start(&jsEg, getCharset(fp[0]), (const uchar*)js.data(), (const uchar*)js.data() + js.size(),
&p);
@@ -99,8 +114,11 @@ bool Func_json_contains_path::getBoolVal(Row& row, FunctionParm& fp, bool& isNul
while (json_get_path_next(&jsEg, &p) == 0)
{
#ifdef MYSQL_GE_1009
json_path_step_t *last_step= (json_path_step_t*)
(mem_root_dynamic_array_get_val(&p.steps,
p.last_step_idx));
if (hasNegPath && jsEg.value_type == JSON_VALUE_ARRAY &&
json_skip_array_and_count(&jsEg, arrayCounters + (p.last_step - p.steps)))
json_skip_array_and_count(&jsEg, arrayCounters + (last_step - (json_path_step_t*)p.steps.buffer)))
{
result = true;
break;