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LibSQL: Copy SQL::Value instances less frequently (which may be vectors)

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This commit is contained in:
Timothy Flynn 2022-09-21 13:47:02 -04:00 • committed by Ali Mohammad Pur
parent 5f549fe5d9
commit c0b54f18b5
3 changed files with 10 additions and 8 deletions
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9
Userland/Libraries/LibSQL/AST/Expression.cpp
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@ -40,12 +40,13 @@ ResultOr<Value> NestedExpression::evaluate(ExecutionContext& context) const
ResultOr<Value> ChainedExpression::evaluate(ExecutionContext& context) const
{
Value ret(SQLType::Tuple);
Vector<Value> values;
TRY(values.try_ensure_capacity(expressions().size()));
for (auto& expression : expressions())
values.append(TRY(expression.evaluate(context)));
ret = values;
return ret;
values.unchecked_append(TRY(expression.evaluate(context)));
return Value { move(values) };
}
ResultOr<Value> BinaryOperatorExpression::evaluate(ExecutionContext& context) const

5
Userland/Libraries/LibSQL/AST/Insert.cpp
View file

@ -47,7 +47,8 @@ ResultOr<ResultSet> Insert::execute(ExecutionContext& context) const
auto row_value = TRY(row_expr.evaluate(context));
VERIFY(row_value.type() == SQLType::Tuple);
auto values = row_value.to_vector().value();
auto values = row_value.to_vector().release_value();
if (m_column_names.is_empty() && values.size() != row.size())
return Result { SQLCommand::Insert, SQLErrorCode::InvalidNumberOfValues, String::empty() };
@ -62,7 +63,7 @@ ResultOr<ResultSet> Insert::execute(ExecutionContext& context) const
if (!does_value_data_type_match(element_type, input_value_type))
return Result { SQLCommand::Insert, SQLErrorCode::InvalidValueType, table_def->columns()[element_index].name() };
row[element_index] = values[ix];
row[element_index] = move(values[ix]);
}
TRY(context.database->insert(row));

4
Userland/Libraries/LibSQL/Tuple.cpp
View file

@ -231,8 +231,8 @@ int Tuple::compare(Tuple const& other) const
int Tuple::match(Tuple const& other) const
{
auto other_index = 0u;
for (auto& part : *other.descriptor()) {
auto other_value = other[other_index];
for (auto const& part : *other.descriptor()) {
auto const& other_value = other[other_index];
if (other_value.is_null())
return 0;
auto my_index = index_of(part.name);