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Merge pull request #778 from davidjmott/branches/davidjmott/MCOL-3353

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fix to possible memory corruption
This commit is contained in:
David.Hall
2019-06-17 10:53:19 -05:00
committed by GitHub
parent 992b696a66 fff18e0dd4
commit a97a2c1add
1 changed files with 5 additions and 2 deletions
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7
dbcon/execplan/arithmeticcolumn.cpp
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@@ -326,7 +326,8 @@ void ArithmeticColumn::serialize(messageqcpp::ByteStream& b) const
ObjectReader::writeParseTree(fExpression, b); ObjectReader::writeParseTree(fExpression, b);
b << fTableAlias; b << fTableAlias;
b << fData; b << fData;
b << static_cast<const ByteStream::doublebyte>(fAsc); const ByteStream::doublebyte tmp = fAsc;
b << tmp;
} }
void ArithmeticColumn::unserialize(messageqcpp::ByteStream& b) void ArithmeticColumn::unserialize(messageqcpp::ByteStream& b)
@@ -340,7 +341,9 @@ void ArithmeticColumn::unserialize(messageqcpp::ByteStream& b)
fExpression = ObjectReader::createParseTree(b); fExpression = ObjectReader::createParseTree(b);
b >> fTableAlias; b >> fTableAlias;
b >> fData; b >> fData;
b >> reinterpret_cast< ByteStream::doublebyte&>(fAsc); ByteStream::doublebyte tmp;
b >> tmp;
fAsc = (tmp);
fSimpleColumnList.clear(); fSimpleColumnList.clear();
fExpression->walk(getSimpleCols, &fSimpleColumnList); fExpression->walk(getSimpleCols, &fSimpleColumnList);