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Class List
Here are the classes, structs, unions and interfaces with brief descriptions:

pqxx | The home of all libpqxx classes, functions, templates, etc
internal | Internal items for libpqxx' own use. Do not use these yourself
gate |
connection_errorhandler |
connection_largeobject |
connection_notification_receiver |
connection_pipeline |
connection_sql_cursor |
connection_stream_from |
connection_stream_to |
connection_transaction |
const_connection_largeobject |
errorhandler_connection |
icursor_iterator_icursorstream |
icursorstream_icursor_iterator |
result_connection |
result_creation |
result_pipeline |
result_sql_cursor |
transaction_sql_cursor |
transaction_transaction_focus |
array_string_traits | String traits for SQL arrays
basic_robusttransaction | Helper base class for the robusttransaction class template
basic_transaction | Helper base class for the transaction class template
c_params | Internal type: encode statement parameters
callgate | Base class for call gates
disallowed_ambiguous_char_conversion | Deliberately nonfunctional conversion traits for `char` types
dynamic_params |
enum_traits | Helper class for defining enum conversions
float_traits | String traits for builtin floating-point types
glyph_scanner | Wrapper struct template for "find next glyph" functions
glyph_scanner< encoding_group::BIG5 > |
glyph_scanner< encoding_group::EUC_CN > |
glyph_scanner< encoding_group::EUC_JP > |
glyph_scanner< encoding_group::EUC_KR > |
glyph_scanner< encoding_group::EUC_TW > |
glyph_scanner< encoding_group::GB18030 > |
glyph_scanner< encoding_group::GBK > |
glyph_scanner< encoding_group::JOHAB > |
glyph_scanner< encoding_group::MONOBYTE > |
glyph_scanner< encoding_group::MULE_INTERNAL > |
glyph_scanner< encoding_group::SJIS > |
glyph_scanner< encoding_group::UHC > |
glyph_scanner< encoding_group::UTF8 > |
integral_traits | String traits for builtin integral types (though not bool)
notice_waiters | Various callbacks waiting for a notice to come in
result_iter | Iterator for looped unpacking of a result
result_iteration |
sql_cursor | Cursor with SQL positioning semantics
stream_from_input_iterator | Input iterator for stream_from
stream_input_iteration | Iteration over a stream_query
stream_query | Stream query results from the database. Used by transaction_base::stream
stream_query_end_iterator | The `end()` iterator for a `stream_query`
stream_query_input_iterator | Input iterator for stream_query
argument_error | Invalid argument passed to libpqxx, similar to std::invalid_argument
array | An SQL array received from the database
array_parser | Low-level parser for C++ arrays
basic_fieldstream | Input stream that gets its data from a result field
basic_ilostream | Input stream that gets its data from a large object
basic_lostream | Stream that reads and writes a large object
basic_olostream | Output stream that writes data back to a large object
binarystring | Binary data corresponding to PostgreSQL's "BYTEA" binary-string type
blob |
broken_connection | Exception class for lost or failed backend connection
byte_char_traits | Custom `std::char_trast` if the compiler does not provide one
check_violation |
connecting | An ongoing, non-blocking stepping stone to a connection
connection | Connection to a database
const_result_iterator | Iterator for rows in a result. Use as result::const_iterator
const_reverse_result_iterator | Reverse iterator for result. Use as result::const_reverse_iterator
const_reverse_row_iterator | Reverse iterator for a row. Use as row::const_reverse_iterator
const_row_iterator | Iterator for fields in a row. Use as row::const_iterator
conversion_error | Value conversion failed, e.g. when converting "Hello" to int
conversion_overrun | Could not convert value to string: not enough buffer space
cursor_base | Common definitions for cursor types
data_exception | Error in data provided to SQL statement
dbtransaction | Abstract transaction base class: bracket transactions on the database
deadlock_detected | The ongoing transaction has deadlocked. Retrying it may help
disk_full |
errorhandler |
exclusive_bound | An exclusive boundary value to a pqxx::range
failure | Run-time failure encountered by libpqxx, similar to std::runtime_error
feature_not_supported | Database feature not supported in current setup
field | Reference to a field in a result set
field_streambuf |
forbidden_conversion | String traits for a forbidden type conversion
foreign_key_violation |
from_query_t | Marker for stream_from constructors: "stream from query."
from_table_t | Marker for stream_from constructors: "stream from table."
has_generic_char_traits |
has_generic_char_traits< TYPE, std::void_t< decltype(std::char_traits< TYPE >::eof)> > |
in_doubt_error | "Help, I don't know whether transaction was committed successfully!"
inclusive_bound | An inclusive boundary value to a pqxx::range
insufficient_privilege |
insufficient_resources | Resource shortage on the server
integrity_constraint_violation |
internal_error | Internal error in libpqxx library
invalid_cursor_name |
invalid_cursor_state |
invalid_sql_statement_name |
largeobject | Identity of a large object
largeobject_streambuf | Streambuf to use large objects in standard I/O streams
largeobjectaccess | Accessor for large object's contents
no_bound | An unlimited boundary value to a pqxx::range
no_null | Nullness traits describing a type which does not have a null value
nontransaction | Simple "transaction" class offering no transactional integrity
not_null_violation |
notification | An incoming notification
notification_receiver |
nullness | Traits describing a type's "null value," if any
nullness< binarystring > |
nullness< bytes > |
nullness< bytes_view > |
nullness< char * > |
nullness< char const * > |
nullness< char[N]> |
nullness< ENUM, std::enable_if_t< std::is_enum_v< ENUM > > > | Nullness: Enums do not have an inherent null value
nullness< range< TYPE > > | A range type does not have an innate null value
nullness< std::array< T, N > > |
nullness< std::monostate > |
nullness< std::nullopt_t > |
nullness< std::nullptr_t > |
nullness< std::optional< T > > |
nullness< std::shared_ptr< T > > |
nullness< std::string > |
nullness< std::string_view > | There's no real null for `std::string_view`
nullness< std::stringstream > |
nullness< std::unique_ptr< T > > |
nullness< std::variant< T... > > |
nullness< std::vector< T, Args... > > |
nullness< T, std::enable_if_t< std::is_arithmetic_v< T > > > | The built-in arithmetic types do not have inherent null values
nullness< zview > |
out_of_memory |
params | Build a parameter list for a parameterised or prepared statement
pipeline | Processes several queries in FIFO manner, optimized for high throughput
placeholders | Generate parameter placeholders for use in an SQL statement
plpgsql_error | PL/pgSQL error
plpgsql_no_data_found |
plpgsql_raise | Exception raised in PL/pgSQL procedure
plpgsql_too_many_rows |
prepped | A string that is the name of a prepared statement
protocol_violation | Exception class for micommunication with the server
quiet_errorhandler |
range | A C++ equivalent to PostgreSQL's range types
range_bound | A range boundary value
range_error | Something is out of range, similar to std::out_of_range
restrict_violation |
result | Result set containing data returned by a query or command
row | Reference to one row in a result
serialization_failure | Transaction failed to serialize. Please retry it
sql_error | Exception class for failed queries
stateless_cursor | "Stateless cursor" class: easy API for retrieving parts of result sets
statement_completion_unknown | We can't tell whether our last statement succeeded
stream_from | Stream data from the database
stream_query |
stream_to | Efficiently write data directly to a database table
string_traits | Traits class for use in string conversions
string_traits< binarystring > | String conversion traits for `binarystring`
string_traits< bool > |
string_traits< bytes > |
string_traits< bytes_view > |
string_traits< char * > | String traits for non-const C-style string ("pointer to char")
string_traits< char > | You cannot convert a `char` to/from SQL
string_traits< char const * > | String traits for C-style string ("pointer to char const")
string_traits< char[N]> | String traits for C-style string constant ("pointer to array of char")
string_traits< double > |
string_traits< float > |
string_traits< int > |
string_traits< long > |
string_traits< long double > |
string_traits< long long > |
string_traits< pqxx::internal::encoding_group > |
string_traits< range< TYPE > > | String conversions for a range type
string_traits< short > |
string_traits< signed char > | You cannot convert a `signed char` to/from SQL
string_traits< std::array< T, N > > |
string_traits< std::byte > | You cannot convert a `std::byte` to/from SQL
string_traits< std::monostate > |
string_traits< std::nullopt_t > |
string_traits< std::nullptr_t > |
string_traits< std::optional< T > > |
string_traits< std::shared_ptr< T > > |
string_traits< std::string > |
string_traits< std::string_view > | String traits for `string_view`
string_traits< std::stringstream > |
string_traits< std::unique_ptr< T, Args... > > |
string_traits< std::variant< T... > > |
string_traits< std::vector< T, Args... > > |
string_traits< unsigned > |
string_traits< unsigned char > | You cannot convert an `unsigned char` to/from SQL
string_traits< unsigned long > |
string_traits< unsigned long long > |
string_traits< unsigned short > |
string_traits< zview > | String traits for `zview`
subtransaction | "Transaction" nested within another transaction
syntax_error |
thread_safety_model | Descriptor of library's thread-safety model
too_many_connections |
transaction_base | Interface definition (and common code) for "transaction" classes
transaction_focus | Base class for things that monopolise a transaction's attention
transaction_rollback | The backend saw itself forced to roll back the ongoing transaction
undefined_column |
undefined_function |
undefined_table |
unexpected_null | Could not convert null value: target type does not support null
unexpected_rows | Query returned an unexpected number of rows
unique_violation |
usage_error | Error in usage of libpqxx library, similar to std::logic_error
variable_set_to_null | The caller attempted to set a variable to null, which is not allowed
zview | Marker-type wrapper: zero-terminated `std::string_view`