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8a48246ed1
This class had slightly confusing semantics and the added weirdness doesn't seem worth it just so we can say "." instead of "->" when iterating over a vector of NNRPs. This patch replaces NonnullRefPtrVector<T> with Vector<NNRP<T>>.
61 lines
2.2 KiB
C++
61 lines
2.2 KiB
C++
/*
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* Copyright (c) 2021, Jan de Visser <jan@de-visser.net>
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* Copyright (c) 2021, Mahmoud Mandour <ma.mandourr@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibSQL/AST/AST.h>
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#include <LibSQL/Database.h>
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#include <LibSQL/Meta.h>
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#include <LibSQL/Row.h>
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namespace SQL::AST {
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ResultOr<ResultSet> Insert::execute(ExecutionContext& context) const
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{
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auto table_def = TRY(context.database->get_table(m_schema_name, m_table_name));
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Row row(table_def);
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for (auto& column : m_column_names) {
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if (!row.has(column))
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return Result { SQLCommand::Insert, SQLErrorCode::ColumnDoesNotExist, column };
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}
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ResultSet result { SQLCommand::Insert };
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TRY(result.try_ensure_capacity(m_chained_expressions.size()));
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for (auto& row_expr : m_chained_expressions) {
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for (auto& column_def : table_def->columns()) {
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if (!m_column_names.contains_slow(column_def->name()))
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row[column_def->name()] = column_def->default_value();
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}
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auto row_value = TRY(row_expr->evaluate(context));
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VERIFY(row_value.type() == SQLType::Tuple);
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auto values = row_value.to_vector().release_value();
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if (m_column_names.is_empty() && values.size() != row.size())
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return Result { SQLCommand::Insert, SQLErrorCode::InvalidNumberOfValues, DeprecatedString::empty() };
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for (auto ix = 0u; ix < values.size(); ix++) {
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auto& tuple_descriptor = *row.descriptor();
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// In case of having column names, this must succeed since we checked for every column name for existence in the table.
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auto element_index = m_column_names.is_empty() ? ix : tuple_descriptor.find_if([&](auto element) { return element.name == m_column_names[ix]; }).index();
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auto element_type = tuple_descriptor[element_index].type;
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if (!values[ix].is_type_compatible_with(element_type))
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return Result { SQLCommand::Insert, SQLErrorCode::InvalidValueType, table_def->columns()[element_index]->name() };
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row[element_index] = move(values[ix]);
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}
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TRY(context.database->insert(row));
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result.insert_row(row, {});
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}
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return result;
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}
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}
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