eckit::sql::expression::Expressions class
#include <eckit/sql/expression/SQLExpressions.h>

Base classes

class SQLExpression

Derived classes

class OrderByExpressions

Public static functions

static auto number(double) -> std::shared_ptr<SQLExpression>

Constructors, destructors, conversion operators

Expressions()
Expressions(size_t i)
Expressions(const Expressions&) defaulted
Expressions(Expressions&&) defaulted

Public functions

auto operator=(const Expressions&) -> Expressions& defaulted
auto operator=(Expressions&&) -> Expressions& defaulted
void print(std::ostream& s) const override
void prepare(SQLSelect&) override
void cleanup(SQLSelect&) override
auto type() const -> const type::SQLType* override
auto eval(bool& missing) const -> double override
auto isConstant() const -> bool override
auto isNumber() const -> bool override
auto isVector() const -> bool virtual
auto vector() -> Expressions& virtual
auto simplify(bool&) -> std::shared_ptr<SQLExpression> override
auto clone() const -> std::shared_ptr<SQLExpression> override
auto reshift(int minColumnShift_) const -> std::shared_ptr<SQLExpression> override
auto reshift_expressions(int minColumnShift_) const -> Expressions virtual
auto isAggregate() const -> bool override
void output(SQLOutput&) const override
void partialResult() override
void expandStars(const std::vector<std::reference_wrapper<const SQLTable>>&, expression::Expressions&) override
auto eval(bool& missing) const -> double pure virtual
void eval(double* out, bool& missing) const
void preprepare(SQLSelect&) virtual
void updateType(SQLSelect&) virtual
void eval(double* out, bool& missing) const virtual
auto evalAsString(bool& missing) const -> std::string virtual
auto andSplit(expression::Expressions&) -> bool virtual
void tables(std::set<const SQLTable*>&) virtual
void title(const std::string&) virtual
auto title() const -> std::string virtual
auto isBitfield() const -> bool virtual
auto bitfieldDef() const -> BitfieldDef
auto hasMissingValue() const -> bool virtual
auto missingValue() const -> double
auto shared_from_this(T... args) -> T
auto weak_from_this(T... args) -> T
auto assign(T... args) -> T
auto at(T... args) -> T
auto back(T... args) -> T
auto begin(T... args) -> T
auto capacity(T... args) -> T
auto cbegin(T... args) -> T
auto cend(T... args) -> T
auto clear(T... args) -> T
auto crbegin(T... args) -> T
auto crend(T... args) -> T
auto data(T... args) -> T
auto emplace(T... args) -> T
auto emplace_back(T... args) -> T
auto empty(T... args) -> T
auto end(T... args) -> T
auto erase(T... args) -> T
auto front(T... args) -> T
auto get_allocator(T... args) -> T
auto insert(T... args) -> T
auto max_size(T... args) -> T
auto operator[](T... args) -> T
auto pop_back(T... args) -> T
auto push_back(T... args) -> T
auto rbegin(T... args) -> T
auto rend(T... args) -> T
auto reserve(T... args) -> T
auto resize(T... args) -> T
auto shrink_to_fit(T... args) -> T
auto size(T... args) -> T
auto swap(T... args) -> T

Friends

auto operator<<(std::ostream& o, const Expressions& e) -> std::ostream&

Function documentation

static std::shared_ptr<SQLExpression> eckit::sql::expression::Expressions::number(double)
#include <eckit/sql/expression/SQLExpression.h>

void eckit::sql::expression::Expressions::preprepare(SQLSelect&) virtual
#include <eckit/sql/expression/SQLExpression.h>

pre-prepare ideally wouldn't exist. To enable a two-pass prepare of SQL columns for SQLSelect, this is here.

void eckit::sql::expression::Expressions::updateType(SQLSelect&) virtual
#include <eckit/sql/expression/SQLExpression.h>

void eckit::sql::expression::Expressions::eval(double* out, bool& missing) const virtual
#include <eckit/sql/expression/SQLExpression.h>

std::string eckit::sql::expression::Expressions::evalAsString(bool& missing) const virtual
#include <eckit/sql/expression/SQLExpression.h>

bool eckit::sql::expression::Expressions::andSplit(expression::Expressions&) virtual
#include <eckit/sql/expression/SQLExpression.h>

void eckit::sql::expression::Expressions::tables(std::set<const SQLTable*>&) virtual
#include <eckit/sql/expression/SQLExpression.h>

void eckit::sql::expression::Expressions::title(const std::string&) virtual
#include <eckit/sql/expression/SQLExpression.h>

std::string eckit::sql::expression::Expressions::title() const virtual
#include <eckit/sql/expression/SQLExpression.h>

bool eckit::sql::expression::Expressions::isBitfield() const virtual
#include <eckit/sql/expression/SQLExpression.h>

BitfieldDef eckit::sql::expression::Expressions::bitfieldDef() const
#include <eckit/sql/expression/SQLExpression.h>

bool eckit::sql::expression::Expressions::hasMissingValue() const virtual
#include <eckit/sql/expression/SQLExpression.h>

double eckit::sql::expression::Expressions::missingValue() const
#include <eckit/sql/expression/SQLExpression.h>