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f4dfde6992
This patch is the columnstore-part of the task. Columnstore wanted to have previous 32 depth, so this patch aims at keeping the compatibility.
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
#include "functor_json.h"
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#include "functioncolumn.h"
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#include "json_lib.h"
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#include "jsonhelpers.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_unquote::operationType(FunctionParm& fp,
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CalpontSystemCatalog::ColType& /*resultType*/)
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{
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return fp[0]->data()->resultType();
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}
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std::string Func_json_unquote::getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& type)
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{
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const auto js = fp[0]->data()->getStrVal(row, isNull);
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if (isNull)
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return "";
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json_engine_t jsEg;
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int strLen;
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const CHARSET_INFO* cs = type.getCharset();
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#if MYSQL_VERSION_ID >= 120100
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int jsEg_stack[JSON_DEPTH_LIMIT];
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initJsonArray(&jsEg.stack, sizeof(int), &jsEg_stack);
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#endif
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initJSEngine(jsEg, cs, js);
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json_read_value(&jsEg);
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if (unlikely(jsEg.s.error) || jsEg.value_type != JSON_VALUE_STRING)
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return js.safeString();
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char* buf = (char*)alloca(jsEg.value_len + 1);
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if ((strLen = json_unescape(cs, jsEg.value, jsEg.value + jsEg.value_len, &my_charset_utf8mb3_general_ci,
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(uchar*)buf, (uchar*)(buf + jsEg.value_len))) >= 0)
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{
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buf[strLen] = '\0';
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string ret = buf;
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return strLen == 0 ? "" : ret;
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}
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return js.safeString("");
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}
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} // namespace funcexp
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