You've already forked mariadb-columnstore-engine
mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-11-03 17:13:17 +03:00
107 lines
3.2 KiB
C++
107 lines
3.2 KiB
C++
#pragma once
|
|
|
|
#include <cstddef>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#define PREFER_MY_CONFIG_H
|
|
#include <mariadb.h>
|
|
#include <mysql.h>
|
|
#include <my_sys.h>
|
|
// #include <json_lib.h>
|
|
|
|
#include "collation.h"
|
|
#include "functor_json.h"
|
|
#include "functor_str.h"
|
|
#include "collation.h"
|
|
#include "rowgroup.h"
|
|
#include "treenode.h"
|
|
#include "functioncolumn.h"
|
|
#include "constantcolumn.h"
|
|
|
|
#include "json_lib.h"
|
|
|
|
namespace funcexp::helpers
|
|
{
|
|
|
|
static const int NO_WILDCARD_ALLOWED = 1;
|
|
|
|
/*
|
|
Checks if the path has '.*' '[*]' or '**' constructions
|
|
and sets the NO_WILDCARD_ALLOWED error if the case.
|
|
*/
|
|
int setupJSPath(json_path_t* path, CHARSET_INFO* cs, const std::string_view& str, bool wildcards);
|
|
|
|
// Return true if err occur, let the outer function handle the exception
|
|
bool appendEscapedJS(std::string& ret, const CHARSET_INFO* retCS, const utils::NullString& js,
|
|
const CHARSET_INFO* jsCS);
|
|
bool appendJSKeyName(std::string& ret, const CHARSET_INFO* retCS, rowgroup::Row& row, execplan::SPTP& parm);
|
|
bool appendJSValue(std::string& ret, const CHARSET_INFO* retCS, rowgroup::Row& row, execplan::SPTP& parm);
|
|
|
|
static const int TAB_SIZE_LIMIT = 8;
|
|
static const char tab_arr[TAB_SIZE_LIMIT + 1] = " ";
|
|
|
|
// Format the json using format mode
|
|
int doFormat(json_engine_t* je, std::string& niceJS, Func_json_format::FORMATS mode, int tabSize = 4);
|
|
|
|
static const int SHOULD_END_WITH_ARRAY = 2;
|
|
static const int TRIVIAL_PATH_NOT_ALLOWED = 3;
|
|
|
|
bool findKeyInObject(json_engine_t* jsEg, json_string_t* key);
|
|
|
|
#if MYSQL_VERSION_ID >= 100900
|
|
using IntType = int;
|
|
#else
|
|
using IntType = uint;
|
|
#endif
|
|
|
|
/*
|
|
Compatible with json_find_path function in json_lib
|
|
before 10.9: uint* array_counters
|
|
after 10.9: int* array_counters
|
|
*/
|
|
inline static int locateJSPath(json_engine_t& jsEg, JSONPath& path, int* jsErr = nullptr)
|
|
{
|
|
IntType arrayCounters[JSON_DEPTH_LIMIT];
|
|
path.currStep = path.p.steps;
|
|
if (json_find_path(&jsEg, &path.p, &path.currStep, arrayCounters))
|
|
{
|
|
if (jsErr && jsEg.s.error)
|
|
*jsErr = 1;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Check and set the constant flag from function parameters
|
|
inline static void markConstFlag(JSONPath& path, const execplan::SPTP& parm)
|
|
{
|
|
path.constant = (dynamic_cast<execplan::ConstantColumn*>(parm->data()) != nullptr);
|
|
}
|
|
|
|
int cmpJSPath(const json_path_t* a, const json_path_t* b, enum json_value_types vt,
|
|
const int* arraySize = nullptr);
|
|
|
|
inline const CHARSET_INFO* getCharset(execplan::SPTP& parm)
|
|
{
|
|
return parm->data()->resultType().getCharset();
|
|
}
|
|
|
|
inline void initJSEngine(json_engine_t& jsEg, const CHARSET_INFO* jsCS, const utils::NullString& js)
|
|
{
|
|
json_scan_start(&jsEg, jsCS, (const uchar*)js.str(), (const uchar*)js.end());
|
|
}
|
|
|
|
int parseJSPath(JSONPath& path, rowgroup::Row& row, execplan::SPTP& parm, bool wildcards = true);
|
|
|
|
inline void initJSPaths(std::vector<JSONPath>& paths, FunctionParm& fp, const int start, const int step)
|
|
{
|
|
if (paths.empty())
|
|
for (size_t i = start; i < fp.size(); i += step)
|
|
paths.emplace_back();
|
|
}
|
|
|
|
bool matchJSPath(const std::vector<funcexp::JSONPath>& paths, const json_path_t* p, json_value_types valType,
|
|
const int* arrayCounter = nullptr, bool exact = true);
|
|
} // namespace funcexp::helpers
|