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MDEV-37864 json_array_intersect result has incorrect length #5114

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MDEV-37864 json_array_intersect result has incorrect length #5114

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9 changes: 5 additions & 4 deletions sql/item_jsonfunc.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -5533,10 +5533,7 @@ bool Item_func_json_array_intersect::prepare_json_and_create_hash(json_engine_t
report_json_error(js, je1, 0);
}

max_length= 2*(args[0]->max_length < args[1]->max_length ?
args[0]->max_length : args[1]->max_length);

return false;
return false;
}

bool Item_func_json_array_intersect::fix_length_and_dec(THD *thd)
Expand Down Expand Up @@ -5565,6 +5562,10 @@ bool Item_func_json_array_intersect::fix_length_and_dec(THD *thd)
}

end:
collation.set(args[0]->collation);
fix_char_length_ulonglong((ulonglong)
2* MY_MIN(args[0]->max_char_length(),
args[1]->max_char_length()));
set_maybe_null();
return FALSE;
}
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