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This patch is the columnstore-part of the task. Columnstore wanted to have previous 32 depth, so this patch aims at keeping the compatibility.
63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
#include <string_view>
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using namespace std;
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#include "functor_json.h"
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#include "functioncolumn.h"
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using namespace execplan;
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#include "rowgroup.h"
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using namespace rowgroup;
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#include "joblisttypes.h"
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using namespace joblist;
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#include "jsonhelpers.h"
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using namespace funcexp::helpers;
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namespace funcexp
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{
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CalpontSystemCatalog::ColType Func_json_normalize::operationType(
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FunctionParm& fp, CalpontSystemCatalog::ColType& /*resultType*/)
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{
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return fp[0]->data()->resultType();
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}
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string Func_json_normalize::getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& /*type*/)
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{
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#if MYSQL_VERSION_ID >= 120100
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json_engine_t je;
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MEM_ROOT_DYNAMIC_ARRAY array;
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int je_stack[JSON_DEPTH_LIMIT];
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struct json_norm_value *buffer_array[JSON_DEPTH_LIMIT];
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initJsonArray(&je.stack, sizeof(int), &je_stack);
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initJsonArray(&array, sizeof(struct json_norm_value*), buffer_array);
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#endif
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const auto js_ns = fp[0]->data()->getStrVal(row, isNull);
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if (isNull)
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return "";
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const string_view js = js_ns.unsafeStringRef();
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using DynamicString = unique_ptr<DYNAMIC_STRING, decltype(&dynstr_free)>;
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DynamicString str{new DYNAMIC_STRING(), dynstr_free};
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if (init_dynamic_string(str.get(), NULL, 0, 0))
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goto error;
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#if MYSQL_VERSION_ID >= 120100
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if (json_normalize(str.get(), js.data(), js.size(), getCharset(fp[0]), NULL, &je, &array))
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#else
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if (json_normalize(str.get(), js.data(), js.size(), getCharset(fp[0])))
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#endif
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goto error;
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return str->str;
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error:
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isNull = true;
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return "";
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}
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} // namespace funcexp
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