eckit::sql::SQLSelect class

#include <eckit/sql/SQLSelect.h>

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&