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Sqlite: Add null value

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So we can distingish between a null value and zero or an empty string.

Change-Id: I9122fdafdf85cf04dcf8bca7bf294be9b28ee251
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
This commit is contained in:
Marco Bubke
2020-05-14 12:50:34 +02:00
committed by Tim Jenssen
parent d2fe9da7e7
commit 33a833d187
5 changed files with 167 additions and 27 deletions
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12
src/libs/sqlite/sqlitebasestatement.cpp
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@@ -158,6 +158,13 @@ Utils::SmallStringVector BaseStatement::columnNames() const
return columnNames;
}
void BaseStatement::bind(int index, NullValue)
{
int resultCode = sqlite3_bind_null(m_compiledStatement.get(), index);
if (resultCode != SQLITE_OK)
checkForBindingError(resultCode);
}
void BaseStatement::bind(int index, int value)
{
int resultCode = sqlite3_bind_int(m_compiledStatement.get(), index, value);
@@ -529,6 +536,8 @@ ValueView BaseStatement::fetchValueView(int column) const
{
int dataType = sqlite3_column_type(m_compiledStatement.get(), column);
switch (dataType) {
case SQLITE_NULL:
return ValueView::create(NullValue{});
case SQLITE_INTEGER:
return ValueView::create(fetchLongLongValue(column));
case SQLITE_FLOAT:
@@ -536,11 +545,10 @@ ValueView BaseStatement::fetchValueView(int column) const
case SQLITE3_TEXT:
return ValueView::create(fetchValue<Utils::SmallStringView>(column));
case SQLITE_BLOB:
case SQLITE_NULL:
break;
}
return ValueView::create(0LL);
return ValueView::create(NullValue{});
}
} // namespace Sqlite