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LibSQL+SQLServer: Return the new Result class from statement executions

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We can now TRY anything that returns a SQL::Result or an AK::Error.
This commit is contained in:
Timothy Flynn 2022-02-09 15:57:57 -05:00 • committed by Linus Groh
parent d9055de7ea
commit 6620f19979
11 changed files with 337 additions and 337 deletions
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63
Userland/Libraries/LibSQL/AST/Insert.cpp
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@ -14,78 +14,69 @@ namespace SQL::AST {
static bool does_value_data_type_match(SQLType expected, SQLType actual)
{
if (actual == SQLType::Null) {
if (actual == SQLType::Null)
return false;
}
if (expected == SQLType::Integer) {
if (expected == SQLType::Integer)
return actual == SQLType::Integer || actual == SQLType::Float;
}
return expected == actual;
}
RefPtr<SQLResult> Insert::execute(ExecutionContext& context) const
Result Insert::execute(ExecutionContext& context) const
{
auto table_def_or_error = context.database->get_table(m_schema_name, m_table_name);
if (table_def_or_error.is_error())
return SQLResult::construct(SQLCommand::Insert, SQLErrorCode::InternalError, table_def_or_error.release_error());
auto table_def = table_def_or_error.release_value();
auto table_def = TRY(context.database->get_table(m_schema_name, m_table_name));
if (!table_def) {
auto schema_name = m_schema_name;
if (schema_name.is_null() || schema_name.is_empty())
schema_name = "default";
return SQLResult::construct(SQLCommand::Insert, SQLErrorCode::TableDoesNotExist, String::formatted("{}.{}", schema_name, m_table_name));
auto schema_name = m_schema_name.is_empty() ? String("default"sv) : m_schema_name;
return { SQLCommand::Insert, SQLErrorCode::TableDoesNotExist, String::formatted("{}.{}", schema_name, m_table_name) };
}
Row row(table_def);
for (auto& column : m_column_names) {
if (!row.has(column)) {
return SQLResult::construct(SQLCommand::Insert, SQLErrorCode::ColumnDoesNotExist, column);
}
if (!row.has(column))
return { SQLCommand::Insert, SQLErrorCode::ColumnDoesNotExist, column };
}
Vector<Row> inserted_rows;
inserted_rows.ensure_capacity(m_chained_expressions.size());
context.result = SQLResult::construct();
TRY(inserted_rows.try_ensure_capacity(m_chained_expressions.size()));
context.result = Result { SQLCommand::Insert };
for (auto& row_expr : m_chained_expressions) {
for (auto& column_def : table_def->columns()) {
if (!m_column_names.contains_slow(column_def.name())) {
if (!m_column_names.contains_slow(column_def.name()))
row[column_def.name()] = column_def.default_value();
}
}
auto row_value = row_expr.evaluate(context);
if (context.result->has_error())
return context.result;
if (context.result->is_error())
return context.result.release_value();
VERIFY(row_value.type() == SQLType::Tuple);
auto values = row_value.to_vector().value();
if (m_column_names.size() == 0 && values.size() != row.size()) {
return SQLResult::construct(SQLCommand::Insert, SQLErrorCode::InvalidNumberOfValues, "");
}
if (m_column_names.is_empty() && values.size() != row.size())
return { SQLCommand::Insert, SQLErrorCode::InvalidNumberOfValues, String::empty() };
for (auto ix = 0u; ix < values.size(); ix++) {
auto input_value_type = values[ix].type();
auto& tuple_descriptor = *row.descriptor();
// In case of having column names, this must succeed since we checked for every column name for existence in the table.
auto element_index = (m_column_names.size() == 0) ? ix : tuple_descriptor.find_if([&](auto element) { return element.name == m_column_names[ix]; }).index();
auto element_index = m_column_names.is_empty() ? ix : tuple_descriptor.find_if([&](auto element) { return element.name == m_column_names[ix]; }).index();
auto element_type = tuple_descriptor[element_index].type;
if (!does_value_data_type_match(element_type, input_value_type)) {
return SQLResult::construct(SQLCommand::Insert, SQLErrorCode::InvalidValueType, table_def->columns()[element_index].name());
}
if (!does_value_data_type_match(element_type, input_value_type))
return { SQLCommand::Insert, SQLErrorCode::InvalidValueType, table_def->columns()[element_index].name() };
row[element_index] = values[ix];
}
inserted_rows.append(row);
}
for (auto& inserted_row : inserted_rows) {
if (auto maybe_error = context.database->insert(inserted_row); maybe_error.is_error())
return SQLResult::construct(SQLCommand::Insert, SQLErrorCode::InternalError, maybe_error.release_error());
}
for (auto& inserted_row : inserted_rows)
TRY(context.database->insert(inserted_row));
return SQLResult::construct(SQLCommand::Insert, 0, m_chained_expressions.size(), 0);
return { SQLCommand::Insert, 0, m_chained_expressions.size() };
}
}