File Information
Library: Data/PostgreSQL
Package: PostgreSQL
Header: Poco/Data/PostgreSQL/StatementExecutor.h
Description
PostgreSQL statement executor.
Member Summary
Member Functions: bindParams, columnsReturned, execute, fetch, getAffectedRowCount, metaColumn, operator PGresult *, prepare, resultColumn, state
Enumerations
State
Constructors
StatementExecutor
explicit StatementExecutor(
SessionHandle & aSessionHandle
);
Creates the StatementExecutor.
Destructor
~StatementExecutor
Destroys the StatementExecutor.
Member Functions
bindParams
void bindParams(
const InputParameterVector & anInputParameterVector
);
Binds the params - REQUIRED if the statement has input parameters/placeholders Pointer and list elements must stay valid for the lifetime of the StatementExecutor!
columnsReturned
std::size_t columnsReturned() const;
get the count of columns returned by the statement
execute
void execute();
Executes the statement.
fetch
bool fetch();
Fetches the data for the current row
getAffectedRowCount
std::size_t getAffectedRowCount() const;
get the count of rows affected by the statement
metaColumn
const MetaColumn & metaColumn(
std::size_t aPosition
) const;
Returns the reference to the specified metacolumn - 0 based
operator PGresult * 
operator PGresult * ();
Cast operator to native result handle type.
prepare
void prepare(
const std::string & aSQLStatement
);
Prepares the statement for execution.
resultColumn
const OutputParameter & resultColumn(
std::size_t aPosition
) const;
Returns the reference to the specified result - 0 based
state
State state() const;
Returns the current state.