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disallow null characters in custom alphabet

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This commit is contained in:
Michael Nutt 2022-05-13 08:43:42 +09:00
parent 4eb55d17b3
commit 03a7f7c4bd
1 changed files with 14 additions and 9 deletions
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5
src/Functions/FunctionHashID.h
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@ -23,6 +23,7 @@ namespace ErrorCodes
{
extern const int ILLEGAL_COLUMN;
extern const int ILLEGAL_TYPE_OF_ARGUMENT;
extern const int INVALID_ALPHABET;
extern const int TOO_MANY_ARGUMENTS_FOR_FUNCTION;
extern const int TOO_FEW_ARGUMENTS_FOR_FUNCTION;
}
@ -114,7 +115,11 @@ public:
{
const auto & alphabetcolumn = arguments[3].column;
if (auto alpha_col = checkAndGetColumnConst<ColumnString>(alphabetcolumn.get()))
{
alphabet = alpha_col->getValue<String>();
if (alphabet.find("\0") != std::string::npos)
throw Exception(ErrorCodes::INVALID_ALPHABET, "Custom alphabet must not contain null character");
}
}
else
alphabet.assign(DEFAULT_ALPHABET);