mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-04-25 22:08:59 +00:00
df2ddcafd4
The INSERT and SELECT statements set up this object for any expression evaluation to indicate errors. This is no longer needed.
75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
/*
|
|
* Copyright (c) 2021, Jan de Visser <jan@de-visser.net>
|
|
* Copyright (c) 2021, Mahmoud Mandour <ma.mandourr@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibSQL/AST/AST.h>
|
|
#include <LibSQL/Database.h>
|
|
#include <LibSQL/Meta.h>
|
|
#include <LibSQL/Row.h>
|
|
|
|
namespace SQL::AST {
|
|
|
|
static bool does_value_data_type_match(SQLType expected, SQLType actual)
|
|
{
|
|
if (actual == SQLType::Null)
|
|
return false;
|
|
if (expected == SQLType::Integer)
|
|
return actual == SQLType::Integer || actual == SQLType::Float;
|
|
return expected == actual;
|
|
}
|
|
|
|
ResultOr<ResultSet> Insert::execute(ExecutionContext& context) const
|
|
{
|
|
auto table_def = TRY(context.database->get_table(m_schema_name, m_table_name));
|
|
|
|
if (!table_def) {
|
|
auto schema_name = m_schema_name.is_empty() ? String("default"sv) : m_schema_name;
|
|
return Result { 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 Result { SQLCommand::Insert, SQLErrorCode::ColumnDoesNotExist, column };
|
|
}
|
|
|
|
ResultSet result { SQLCommand::Insert };
|
|
TRY(result.try_ensure_capacity(m_chained_expressions.size()));
|
|
|
|
for (auto& row_expr : m_chained_expressions) {
|
|
for (auto& column_def : table_def->columns()) {
|
|
if (!m_column_names.contains_slow(column_def.name()))
|
|
row[column_def.name()] = column_def.default_value();
|
|
}
|
|
|
|
auto row_value = TRY(row_expr.evaluate(context));
|
|
VERIFY(row_value.type() == SQLType::Tuple);
|
|
auto values = row_value.to_vector().value();
|
|
|
|
if (m_column_names.is_empty() && values.size() != row.size())
|
|
return Result { 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.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 Result { SQLCommand::Insert, SQLErrorCode::InvalidValueType, table_def->columns()[element_index].name() };
|
|
|
|
row[element_index] = values[ix];
|
|
}
|
|
|
|
TRY(context.database->insert(row));
|
|
result.insert_row(row, {});
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
}
|