libpqxx
4.0.1
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#include <dbtransaction.hxx>
Public Member Functions | |
virtual | ~dbtransaction () |
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virtual | ~transaction_base ()=0 |
void | commit () |
Commit the transaction. | |
void | abort () |
Abort the transaction. | |
std::string | esc (const char str[]) const |
Escape string for use as SQL string literal in this transaction. | |
std::string | esc (const char str[], size_t maxlen) const |
Escape string for use as SQL string literal in this transaction. | |
std::string | esc (const std::string &str) const |
Escape string for use as SQL string literal in this transaction. | |
std::string | esc_raw (const unsigned char str[], size_t len) const |
Escape binary data for use as SQL string literal in this transaction. | |
std::string | esc_raw (const std::string &) const |
Escape binary data for use as SQL string literal in this transaction. | |
template<typename T > | |
std::string | quote (const T &t) const |
Represent object as SQL string, including quoting & escaping. | |
std::string | quote_raw (const unsigned char str[], size_t len) const |
Binary-escape and quote a binarystring for use as an SQL constant. | |
std::string | quote_raw (const std::string &str) const |
std::string | quote_name (const std::string &identifier) const |
Escape an SQL identifier for use in a query. | |
result | exec (const std::string &Query, const std::string &Desc=std::string()) |
Execute query. | |
result | exec (const std::stringstream &Query, const std::string &Desc=std::string()) |
internal::parameterized_invocation | parameterized (const std::string &query) |
Parameterize a statement. | |
connection_base & | conn () const |
Connection this transaction is running in. | |
void | set_variable (const std::string &Var, const std::string &Val) |
Set session variable in this connection. | |
std::string | get_variable (const std::string &) |
Get currently applicable value of variable. | |
prepare::invocation | prepared (const std::string &statement=std::string()) |
Execute prepared statement. | |
void | process_notice (const char Msg[]) const |
Have connection process warning message. | |
void | process_notice (const std::string &Msg) const |
Have connection process warning message. | |
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namedclass (const std::string &Classname, const std::string &Name="") | |
const std::string & | name () const throw () |
const std::string & | classname () const throw () |
std::string | description () const |
Protected Member Functions | |
dbtransaction (connection_base &, const std::string &IsolationString, readwrite_policy rw=read_write) | |
dbtransaction (connection_base &, bool direct=true, readwrite_policy rw=read_write) | |
void | start_backend_transaction () |
Start a transaction on the backend and set desired isolation level. | |
virtual void | do_begin () |
Sensible default implemented here: begin backend transaction. | |
virtual result | do_exec (const char Query[]) |
Sensible default implemented here: perform query. | |
virtual void | do_commit ()=0 |
To be implemented by derived class: commit backend transaction. | |
virtual void | do_abort () |
Sensible default implemented here: abort backend transaction. | |
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transaction_base (connection_base &c, bool direct=true) | |
Create a transaction (to be called by implementation classes only) | |
void | Begin () |
Begin transaction (to be called by implementing class) | |
void | End () throw () |
End transaction. To be called by implementing class' destructor. | |
result | DirectExec (const char C[], int Retries=0) |
Execute query on connection directly. | |
void | reactivation_avoidance_clear () throw () |
Forget about any reactivation-blocking resources we tried to allocate. |
Static Protected Member Functions | |
static std::string | fullname (const std::string &ttype, const std::string &isolation) |
Additional Inherited Members | |
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typedef isolation_traits < read_committed > | isolation_tag |
If nothing else is known, our isolation level is at least read_committed. | |
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internal::reactivation_avoidance_counter | m_reactivation_avoidance |
Resources allocated in this transaction that make reactivation impossible. |
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virtual |
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protected |
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explicitprotected |
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protectedvirtual |
Sensible default implemented here: abort backend transaction.
Default implementation does two things:
Implements pqxx::transaction_base.
References pqxx::internal::sql_rollback_work.
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protectedvirtual |
Sensible default implemented here: begin backend transaction.
Implements pqxx::transaction_base.
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protectedpure virtual |
To be implemented by derived class: commit backend transaction.
Implements pqxx::transaction_base.
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protectedvirtual |
Sensible default implemented here: perform query.
Implements pqxx::transaction_base.
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staticprotected |
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protected |
Start a transaction on the backend and set desired isolation level.