class
SQLExpressionEvaluated
Base classes
- class SQLExpression
Public static functions
-
static auto number(double) -> std::
shared_ptr<SQLExpression>
Constructors, destructors, conversion operators
- SQLExpressionEvaluated(SQLExpression&)
- ~SQLExpressionEvaluated() override
Public functions
- void prepare(SQLSelect&) override
- void updateType(SQLSelect&) override
- void cleanup(SQLSelect&) override
- auto eval(bool& missing) const -> double override
- void eval(double* out, bool& missing) const override
-
auto evalAsString(bool& missing) const -> std::
string override - auto isConstant() const -> bool override
- auto isNumber() const -> bool override
-
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 isAggregate() const -> bool override
-
auto type() const -> const type::
SQLType* override - void output(SQLOutput& o) const override
- void preprepare(SQLSelect&) 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 - void partialResult() virtual
-
void expandStars(const std::
vector<std:: reference_wrapper<const SQLTable>>&, expression:: Expressions&) 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 print(std::
ostream&) const override
Friends
-
auto operator<<(std::
ostream& s, const SQLExpressionEvaluated& p) -> std:: ostream&
Function documentation
static std:: shared_ptr<SQLExpression> eckit:: sql:: expression:: SQLExpressionEvaluated:: number(double)
void eckit:: sql:: expression:: SQLExpressionEvaluated:: preprepare(SQLSelect&) virtual
pre-prepare ideally wouldn't exist. To enable a two-pass prepare of SQL columns for SQLSelect, this is here.
bool eckit:: sql:: expression:: SQLExpressionEvaluated:: andSplit(expression:: Expressions&) virtual
void eckit:: sql:: expression:: SQLExpressionEvaluated:: title(const std:: string&) virtual
std:: string eckit:: sql:: expression:: SQLExpressionEvaluated:: title() const virtual
void eckit:: sql:: expression:: SQLExpressionEvaluated:: partialResult() virtual
void eckit:: sql:: expression:: SQLExpressionEvaluated:: expandStars(const std:: vector<std:: reference_wrapper<const SQLTable>>&,
expression:: Expressions&) virtual
bool eckit:: sql:: expression:: SQLExpressionEvaluated:: isBitfield() const virtual
BitfieldDef eckit:: sql:: expression:: SQLExpressionEvaluated:: bitfieldDef() const
bool eckit:: sql:: expression:: SQLExpressionEvaluated:: hasMissingValue() const virtual
double eckit:: sql:: expression:: SQLExpressionEvaluated:: missingValue() const