libpqxx
7.0.1
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Helper base class for the transaction
class template.
More...
#include <transaction.hxx>
Protected Member Functions | |
basic_transaction (connection &c, char const begin_command[]) | |
Protected Member Functions inherited from pqxx::dbtransaction | |
dbtransaction (connection &c) | |
Protected Member Functions inherited from pqxx::transaction_base | |
transaction_base (connection &c) | |
Create a transaction (to be called by implementation classes only). More... | |
void | register_transaction () |
Register this transaction with the connection. More... | |
void | close () noexcept |
End transaction. To be called by implementing class' destructor. More... | |
result | direct_exec (std::string_view) |
Execute query on connection directly. More... | |
result | direct_exec (std::shared_ptr< std::string >) |
Additional Inherited Members | |
Public Member Functions inherited from pqxx::transaction_base | |
transaction_base ()=delete | |
transaction_base (transaction_base const &)=delete | |
transaction_base & | operator= (transaction_base const &)=delete |
virtual | ~transaction_base ()=0 |
void | commit () |
Commit the transaction. More... | |
void | abort () |
Abort the transaction. More... | |
result | exec (std::string_view query, std::string const &desc=std::string{}) |
Execute query. More... | |
result | exec (std::stringstream const &query, std::string const &desc=std::string{}) |
result | exec0 (std::string const &query, std::string const &desc=std::string{}) |
Execute query, which should zero rows of data. More... | |
row | exec1 (std::string const &query, std::string const &desc=std::string{}) |
Execute query returning a single row of data. More... | |
result | exec_n (result::size_type rows, std::string const &query, std::string const &desc=std::string{}) |
Execute query, expect given number of rows. More... | |
connection & | conn () const |
The connection in which this transaction lives. More... | |
void | set_variable (std::string_view var, std::string_view value) |
Set session variable using SQL "SET" command. More... | |
std::string | get_variable (std::string_view) |
Read session variable using SQL "SHOW" command. More... | |
std::string | esc (char const text[]) const |
Escape string for use as SQL string literal in this transaction. More... | |
std::string | esc (char const text[], size_t maxlen) const |
Escape string for use as SQL string literal in this transaction. More... | |
std::string | esc (std::string const &text) const |
Escape string for use as SQL string literal in this transaction. More... | |
std::string | esc_raw (unsigned char const data[], size_t len) const |
Escape binary data for use as SQL string literal in this transaction. More... | |
std::string | esc_raw (std::string const &) const |
Escape binary data for use as SQL string literal in this transaction. More... | |
std::string | unesc_raw (std::string const &text) const |
Unescape binary data, e.g. from a table field or notification payload. More... | |
std::string | unesc_raw (char const *text) const |
Unescape binary data, e.g. from a table field or notification payload. More... | |
template<typename T > | |
std::string | quote (T const &t) const |
Represent object as SQL string, including quoting & escaping. More... | |
std::string | quote_raw (unsigned char const bin[], size_t len) const |
Binary-escape and quote a binarystring for use as an SQL constant. More... | |
std::string | quote_raw (std::string const &bin) const |
std::string | quote_name (std::string_view identifier) const |
Escape an SQL identifier for use in a query. More... | |
std::string | esc_like (std::string const &bin, char escape_char='\\') const |
Escape string for literal LIKE match. More... | |
template<typename... Args> | |
result | exec_params (std::string const &query, Args &&... args) |
Execute an SQL statement with parameters. More... | |
template<typename... Args> | |
row | exec_params1 (std::string const &query, Args &&... args) |
template<typename... Args> | |
result | exec_params0 (std::string const &query, Args &&... args) |
template<typename... Args> | |
result | exec_params_n (size_t rows, std::string const &query, Args &&... args) |
template<typename... Args> | |
result | exec_prepared (std::string const &statement, Args &&... args) |
Execute a prepared statement, with optional arguments. More... | |
template<typename... Args> | |
result | exec_prepared (zview statement, Args &&... args) |
template<typename... Args> | |
row | exec_prepared1 (std::string const &statement, Args &&... args) |
Execute a prepared statement, and expect a single-row result. More... | |
template<typename... Args> | |
row | exec_prepared1 (zview statement, Args &&... args) |
template<typename... Args> | |
result | exec_prepared0 (std::string const &statement, Args &&... args) |
Execute a prepared statement, and expect a result with zero rows. More... | |
template<typename... Args> | |
result | exec_prepared0 (zview statement, Args &&... args) |
template<typename... Args> | |
result | exec_prepared_n (result::size_type rows, std::string const &statement, Args &&... args) |
Execute a prepared statement, expect a result with given number of rows. More... | |
template<typename... Args> | |
result | exec_prepared_n (result::size_type rows, zview statement, Args &&... args) |
void | process_notice (char const msg[]) const |
Have connection process a warning message. More... | |
void | process_notice (std::string const &msg) const |
Have connection process a warning message. More... | |
Public Member Functions inherited from pqxx::internal::namedclass | |
namedclass (std::string_view classname) | |
namedclass (std::string_view classname, std::string_view name) | |
namedclass (std::string_view classname, char const name[]) | |
namedclass (std::string_view classname, std::string &&name) | |
std::string const & | name () const noexcept |
Object name, or the empty string if no name was given. More... | |
std::string const & | classname () const noexcept |
Class name. More... | |
std::string | description () const |
Combination of class name and object name; or just class name. More... | |
Helper base class for the transaction
class template.
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protected |
Implementation of the pqxx::transaction class.
pqxx::transaction represents a regular database transaction.
Copyright (c) 2000-2020, Jeroen T. Vermeulen.
See COPYING for copyright license. If you did not receive a file called COPYING with this source code, please notify the distributor of this mistake, or contact the author.
References pqxx::transaction_base::commit(), pqxx::transaction_base::conn(), pqxx::dbtransaction::dbtransaction(), pqxx::transaction_base::direct_exec(), pqxx::internal::namedclass::name(), pqxx::transaction_base::process_notice(), and pqxx::transaction_base::register_transaction().