database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-08-01 06:46:55 +03:00
Code Activity

fix to possible memory corruption

Browse Source
This commit is contained in:
David Mott
2019-06-03 03:36:48 -05:00
parent dd3df5328c
commit fff18e0dd4
1 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
dbcon/execplan/arithmeticcolumn.cpp
View File

@ -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);