class
BitColumnExpression
Base classes
- class ColumnExpression
Public static functions
-
static auto number(double) -> std::
shared_ptr<SQLExpression>
Constructors, destructors, conversion operators
-
BitColumnExpression(const std::
string&, const std:: string&, SQLTable*) -
BitColumnExpression(const std::
string&, const std:: string&, const std:: string&) - BitColumnExpression(const BitColumnExpression&)
- ~BitColumnExpression()
Public functions
-
auto clone() const -> std::
shared_ptr<SQLExpression> override -
auto reshift(int minColumnShift) const -> std::
shared_ptr<SQLExpression> override - auto table() -> const SQLTable*
- auto current() -> const double*
- auto nominalShift(int n) -> SQLExpression*
-
auto andSplit(expression::
Expressions&) -> bool virtual - auto isNumber() const -> bool virtual
-
auto simplify(bool&) -> std::
shared_ptr<SQLExpression> virtual -
void title(const std::
string&) virtual -
auto title() const -> std::
string virtual - auto isAggregate() const -> bool virtual
- void partialResult() 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
Private functions
- void prepare(SQLSelect& sql) override
- void updateType(SQLSelect& sql) override
- void eval(double* out, bool& missing) const override
- auto eval(bool& missing) const -> double override
-
void expandStars(const std::
vector<std:: reference_wrapper<const SQLTable>>&, expression:: Expressions&) override -
auto type() const -> const eckit::
sql:: type:: SQLType* override -
auto tableColumnToFullname(const SQLColumn& column) const -> std::
string override
Function documentation
static std:: shared_ptr<SQLExpression> eckit:: sql:: expression:: BitColumnExpression:: number(double)
const double* eckit:: sql:: expression:: BitColumnExpression:: current()
SQLExpression* eckit:: sql:: expression:: BitColumnExpression:: nominalShift(int n)
bool eckit:: sql:: expression:: BitColumnExpression:: andSplit(expression:: Expressions&) virtual
bool eckit:: sql:: expression:: BitColumnExpression:: isNumber() const virtual
std:: shared_ptr<SQLExpression> eckit:: sql:: expression:: BitColumnExpression:: simplify(bool&) virtual
void eckit:: sql:: expression:: BitColumnExpression:: title(const std:: string&) virtual
std:: string eckit:: sql:: expression:: BitColumnExpression:: title() const virtual
bool eckit:: sql:: expression:: BitColumnExpression:: isAggregate() const virtual
void eckit:: sql:: expression:: BitColumnExpression:: partialResult() virtual
bool eckit:: sql:: expression:: BitColumnExpression:: isBitfield() const virtual
BitfieldDef eckit:: sql:: expression:: BitColumnExpression:: bitfieldDef() const
bool eckit:: sql:: expression:: BitColumnExpression:: hasMissingValue() const virtual
double eckit:: sql:: expression:: BitColumnExpression:: missingValue() const