class
#include <eckit/sql/SQLSelect.h>
SQLSelect
Base classes
- class SQLStatement
Public types
-
using ValueLookup = std::
pair<const double*, bool>
Constructors, destructors, conversion operators
-
SQLSelect(const Expressions& columns,
const std::
vector<std:: reference_wrapper<const SQLTable>>& tables, std:: shared_ptr<expression:: SQLExpression> where, SQLOutput& out, std:: vector<std:: unique_ptr<SQLOutput>>&& ownedOutputs_ = std:: vector<std:: unique_ptr<SQLOutput>>()) - ~SQLSelect()
Public functions
- void prepareExecute()
- auto process() -> unsigned long long
- auto processOneRow() -> bool
- void postExecute()
- auto isAggregate() -> bool
-
auto column(const std::
string& name, const SQLTable*) -> ValueLookup& -
auto typeOf(const std::
string& name, const SQLTable*) const -> const type:: SQLType* -
auto findTable(const std::
string& name) const -> const SQLTable& -
void ensureFetch(const SQLTable& table,
const std::
string& columnName) - auto output() const -> Expressions override
-
auto outputFiles() const -> std::
vector<eckit:: PathName> -
void outputFiles(const std::
vector<eckit:: PathName>& files) -
auto tables() -> const std::
vector<const SQLTable*>& -
auto where() -> expression::
SQLExpression* - auto execute() -> unsigned long long override
Private functions
-
void print(std::
ostream&) const override
Friends
-
auto operator<<(std::
ostream& s, const SQLSelect& p) -> std:: ostream&