impala::ExprValue Struct Reference

The materialized value returned by ExprContext::GetValue(). More...

#include <expr-value.h>

Collaboration diagram for impala::ExprValue:

Public Member Functions
	ExprValue ()
	ExprValue (bool v)
	ExprValue (int8_t v)
	ExprValue (int16_t v)
	ExprValue (int32_t v)
	ExprValue (int64_t v)
	ExprValue (float v)
	ExprValue (double v)
	ExprValue (int64_t t, int64_t n)
	ExprValue (const std::string &str)
	c'tor for string values More...
void *	SetToZero (const ColumnType &type)
	Sets the value for type to '0' and returns a pointer to the data. More...
void *	SetToMin (const ColumnType &type)
	Sets the value for type to min and returns a pointer to the data. More...
void *	SetToMax (const ColumnType &type)
	Sets the value for type to max and returns a pointer to the data. More...

Public Attributes
bool	bool_val
int8_t	tinyint_val
int16_t	smallint_val
int32_t	int_val
int64_t	bigint_val
float	float_val
double	double_val
StringValue	string_val
TimestampValue	timestamp_val
Decimal4Value	decimal4_val
Decimal8Value	decimal8_val
Decimal16Value	decimal16_val

Private Attributes
std::string	string_data

Detailed Description

The materialized value returned by ExprContext::GetValue().

Definition at line 25 of file expr-value.h.

Constructor & Destructor Documentation

impala::ExprValue::ExprValue ( )

inline

Definition at line 39 of file expr-value.h.

impala::ExprValue::ExprValue ( bool  v )

inline

Definition at line 54 of file expr-value.h.

impala::ExprValue::ExprValue ( int8_t  v )

inline

Definition at line 55 of file expr-value.h.

impala::ExprValue::ExprValue ( int16_t  v )

inline

Definition at line 56 of file expr-value.h.

impala::ExprValue::ExprValue ( int32_t  v )

inline

Definition at line 57 of file expr-value.h.

impala::ExprValue::ExprValue ( int64_t  v )

inline

Definition at line 58 of file expr-value.h.

impala::ExprValue::ExprValue ( float  v )

inline

Definition at line 59 of file expr-value.h.

impala::ExprValue::ExprValue ( double  v )

inline

Definition at line 60 of file expr-value.h.

impala::ExprValue::ExprValue ( int64_t  t, int64_t  n  )

inline

Definition at line 61 of file expr-value.h.

impala::ExprValue::ExprValue ( const std::string &  str )

inline

c'tor for string values

Definition at line 64 of file expr-value.h.

References impala::StringValue::len, impala::StringValue::ptr, string_data, and string_val.

Member Function Documentation

void* impala::ExprValue::SetToMax ( const ColumnType &  type )

inline

Sets the value for type to max and returns a pointer to the data.

Definition at line 137 of file expr-value.h.

References bigint_val, bool_val, double_val, float_val, int_val, smallint_val, tinyint_val, impala::ColumnType::type, impala::TYPE_BIGINT, impala::TYPE_BOOLEAN, impala::TYPE_DOUBLE, impala::TYPE_FLOAT, impala::TYPE_INT, impala::TYPE_NULL, impala::TYPE_SMALLINT, and impala::TYPE_TINYINT.

Referenced by impala::AggregationNode::ConstructIntermediateTuple(), and impala::PartitionedAggregationNode::ConstructIntermediateTuple().

void* impala::ExprValue::SetToMin ( const ColumnType &  type )

inline

Sets the value for type to min and returns a pointer to the data.

Definition at line 103 of file expr-value.h.

References bigint_val, bool_val, double_val, float_val, int_val, smallint_val, tinyint_val, impala::ColumnType::type, impala::TYPE_BIGINT, impala::TYPE_BOOLEAN, impala::TYPE_DOUBLE, impala::TYPE_FLOAT, impala::TYPE_INT, impala::TYPE_NULL, impala::TYPE_SMALLINT, and impala::TYPE_TINYINT.

Referenced by impala::AggregationNode::ConstructIntermediateTuple(), and impala::PartitionedAggregationNode::ConstructIntermediateTuple().

void* impala::ExprValue::SetToZero ( const ColumnType &  type )

inline

Sets the value for type to '0' and returns a pointer to the data.

Definition at line 71 of file expr-value.h.

References bigint_val, bool_val, double_val, float_val, int_val, smallint_val, tinyint_val, impala::ColumnType::type, impala::TYPE_BIGINT, impala::TYPE_BOOLEAN, impala::TYPE_DOUBLE, impala::TYPE_FLOAT, impala::TYPE_INT, impala::TYPE_NULL, impala::TYPE_SMALLINT, and impala::TYPE_TINYINT.

Member Data Documentation

int64_t impala::ExprValue::bigint_val

Definition at line 30 of file expr-value.h.

Referenced by impala::Literal::DebugString(), impala::Literal::GetBigIntVal(), impala::Literal::GetCodegendComputeFn(), impala::ExprContext::GetValue(), impala::Literal::Literal(), SetToMax(), SetToMin(), and SetToZero().

bool impala::ExprValue::bool_val

Definition at line 26 of file expr-value.h.

Referenced by impala::Literal::DebugString(), impala::Literal::GetBooleanVal(), impala::Literal::GetCodegendComputeFn(), impala::ExprContext::GetValue(), impala::Literal::Literal(), SetToMax(), SetToMin(), and SetToZero().

Decimal16Value impala::ExprValue::decimal16_val

Definition at line 37 of file expr-value.h.

Referenced by impala::Literal::DebugString(), impala::Literal::GetCodegendComputeFn(), impala::Literal::GetDecimalVal(), impala::ExprContext::GetValue(), and impala::Literal::Literal().

Decimal4Value impala::ExprValue::decimal4_val

Definition at line 35 of file expr-value.h.

Referenced by impala::Literal::DebugString(), impala::Literal::GetCodegendComputeFn(), impala::Literal::GetDecimalVal(), impala::ExprContext::GetValue(), and impala::Literal::Literal().

Decimal8Value impala::ExprValue::decimal8_val

Definition at line 36 of file expr-value.h.

Referenced by impala::Literal::DebugString(), impala::Literal::GetCodegendComputeFn(), impala::Literal::GetDecimalVal(), impala::ExprContext::GetValue(), and impala::Literal::Literal().

double impala::ExprValue::double_val

Definition at line 32 of file expr-value.h.

Referenced by impala::Literal::DebugString(), impala::Literal::GetCodegendComputeFn(), impala::Literal::GetDoubleVal(), impala::ExprContext::GetValue(), impala::Literal::Literal(), SetToMax(), SetToMin(), and SetToZero().

float impala::ExprValue::float_val

Definition at line 31 of file expr-value.h.

Referenced by impala::Literal::DebugString(), impala::Literal::GetCodegendComputeFn(), impala::Literal::GetFloatVal(), impala::ExprContext::GetValue(), impala::Literal::Literal(), SetToMax(), SetToMin(), and SetToZero().

int32_t impala::ExprValue::int_val

Definition at line 29 of file expr-value.h.

Referenced by impala::Literal::DebugString(), impala::Literal::GetCodegendComputeFn(), impala::Literal::GetIntVal(), impala::ExprContext::GetValue(), impala::Literal::Literal(), SetToMax(), SetToMin(), and SetToZero().

int16_t impala::ExprValue::smallint_val

Definition at line 28 of file expr-value.h.

Referenced by impala::Literal::DebugString(), impala::Literal::GetCodegendComputeFn(), impala::Literal::GetSmallIntVal(), impala::ExprContext::GetValue(), impala::Literal::Literal(), SetToMax(), SetToMin(), and SetToZero().

std::string impala::ExprValue::string_data

private

Definition at line 169 of file expr-value.h.

Referenced by ExprValue().

StringValue impala::ExprValue::string_val

Definition at line 33 of file expr-value.h.

Referenced by impala::Literal::DebugString(), ExprValue(), impala::Literal::GetCodegendComputeFn(), impala::Literal::GetStringVal(), impala::ExprContext::GetValue(), and impala::Literal::Literal().

TimestampValue impala::ExprValue::timestamp_val

Definition at line 34 of file expr-value.h.

Referenced by impala::ExprContext::GetValue(), and impala::Literal::Literal().

int8_t impala::ExprValue::tinyint_val

Definition at line 27 of file expr-value.h.

Referenced by impala::Literal::DebugString(), impala::Literal::GetCodegendComputeFn(), impala::Literal::GetTinyIntVal(), impala::ExprContext::GetValue(), impala::Literal::Literal(), SetToMax(), SetToMin(), and SetToZero().

---

The documentation for this struct was generated from the following file:

• be/src/exprs/expr-value.h