| 1 | #include "duckdb/main/prepared_statement.hpp" |
| 2 | #include "duckdb/common/exception.hpp" |
| 3 | #include "duckdb/main/client_context.hpp" |
| 4 | #include "duckdb/main/prepared_statement_data.hpp" |
| 5 | |
| 6 | namespace duckdb { |
| 7 | |
| 8 | PreparedStatement::PreparedStatement(shared_ptr<ClientContext> context, shared_ptr<PreparedStatementData> data_p, |
| 9 | string query, idx_t n_param, case_insensitive_map_t<idx_t> named_param_pam_p) |
| 10 | : context(std::move(context)), data(std::move(data_p)), query(std::move(query)), success(true), n_param(n_param), |
| 11 | named_param_map(std::move(named_param_pam_p)) { |
| 12 | D_ASSERT(data || !success); |
| 13 | } |
| 14 | |
| 15 | PreparedStatement::PreparedStatement(PreservedError error) : context(nullptr), success(false), error(std::move(error)) { |
| 16 | } |
| 17 | |
| 18 | PreparedStatement::~PreparedStatement() { |
| 19 | } |
| 20 | |
| 21 | const string &PreparedStatement::GetError() { |
| 22 | D_ASSERT(HasError()); |
| 23 | return error.Message(); |
| 24 | } |
| 25 | |
| 26 | PreservedError &PreparedStatement::GetErrorObject() { |
| 27 | return error; |
| 28 | } |
| 29 | |
| 30 | bool PreparedStatement::HasError() const { |
| 31 | return !success; |
| 32 | } |
| 33 | |
| 34 | idx_t PreparedStatement::ColumnCount() { |
| 35 | D_ASSERT(data); |
| 36 | return data->types.size(); |
| 37 | } |
| 38 | |
| 39 | StatementType PreparedStatement::GetStatementType() { |
| 40 | D_ASSERT(data); |
| 41 | return data->statement_type; |
| 42 | } |
| 43 | |
| 44 | StatementProperties PreparedStatement::GetStatementProperties() { |
| 45 | D_ASSERT(data); |
| 46 | return data->properties; |
| 47 | } |
| 48 | |
| 49 | const vector<LogicalType> &PreparedStatement::GetTypes() { |
| 50 | D_ASSERT(data); |
| 51 | return data->types; |
| 52 | } |
| 53 | |
| 54 | const vector<string> &PreparedStatement::GetNames() { |
| 55 | D_ASSERT(data); |
| 56 | return data->names; |
| 57 | } |
| 58 | |
| 59 | vector<LogicalType> PreparedStatement::GetExpectedParameterTypes() const { |
| 60 | D_ASSERT(data); |
| 61 | vector<LogicalType> expected_types(data->value_map.size()); |
| 62 | for (auto &it : data->value_map) { |
| 63 | D_ASSERT(it.first >= 1); |
| 64 | idx_t param_index = it.first - 1; |
| 65 | D_ASSERT(param_index < expected_types.size()); |
| 66 | D_ASSERT(it.second); |
| 67 | expected_types[param_index] = it.second->value.type(); |
| 68 | } |
| 69 | return expected_types; |
| 70 | } |
| 71 | |
| 72 | unique_ptr<QueryResult> PreparedStatement::Execute(vector<Value> &values, bool allow_stream_result) { |
| 73 | auto pending = PendingQuery(values, allow_stream_result); |
| 74 | if (pending->HasError()) { |
| 75 | return make_uniq<MaterializedQueryResult>(args&: pending->GetErrorObject()); |
| 76 | } |
| 77 | return pending->Execute(); |
| 78 | } |
| 79 | |
| 80 | unique_ptr<PendingQueryResult> PreparedStatement::PendingQuery(vector<Value> &values, bool allow_stream_result) { |
| 81 | if (!success) { |
| 82 | throw InvalidInputException("Attempting to execute an unsuccessfully prepared statement!" ); |
| 83 | } |
| 84 | D_ASSERT(data); |
| 85 | PendingQueryParameters parameters; |
| 86 | parameters.parameters = &values; |
| 87 | parameters.allow_stream_result = allow_stream_result && data->properties.allow_stream_result; |
| 88 | auto result = context->PendingQuery(query, prepared&: data, parameters); |
| 89 | return result; |
| 90 | } |
| 91 | |
| 92 | } // namespace duckdb |
| 93 | |