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Static Public Member Functions | List of all members
impala::ConditionalFunctions Class Reference

Conditional functions that can be expressed as UDFs. More...

#include <conditional-functions.h>

Collaboration diagram for impala::ConditionalFunctions:

Static Public Member Functions

static TinyIntVal NullIfZero (FunctionContext *context, const TinyIntVal &val)
 
static SmallIntVal NullIfZero (FunctionContext *context, const SmallIntVal &val)
 
static IntVal NullIfZero (FunctionContext *context, const IntVal &val)
 
static BigIntVal NullIfZero (FunctionContext *context, const BigIntVal &val)
 
static FloatVal NullIfZero (FunctionContext *context, const FloatVal &val)
 
static DoubleVal NullIfZero (FunctionContext *context, const DoubleVal &val)
 
static DecimalVal NullIfZero (FunctionContext *context, const DecimalVal &val)
 
static TinyIntVal ZeroIfNull (FunctionContext *context, const TinyIntVal &val)
 
static SmallIntVal ZeroIfNull (FunctionContext *context, const SmallIntVal &val)
 
static IntVal ZeroIfNull (FunctionContext *context, const IntVal &val)
 
static BigIntVal ZeroIfNull (FunctionContext *context, const BigIntVal &val)
 
static FloatVal ZeroIfNull (FunctionContext *context, const FloatVal &val)
 
static DoubleVal ZeroIfNull (FunctionContext *context, const DoubleVal &val)
 
static DecimalVal ZeroIfNull (FunctionContext *context, const DecimalVal &val)
 
static BooleanVal IsFalse (FunctionContext *ctx, const BooleanVal &val)
 
static BooleanVal IsNotFalse (FunctionContext *ctx, const BooleanVal &val)
 
static BooleanVal IsTrue (FunctionContext *ctx, const BooleanVal &val)
 
static BooleanVal IsNotTrue (FunctionContext *ctx, const BooleanVal &val)
 

Detailed Description

Conditional functions that can be expressed as UDFs.

Definition at line 31 of file conditional-functions.h.

Member Function Documentation

BooleanVal ConditionalFunctions::IsFalse ( FunctionContext *  ctx,
const BooleanVal &  val 
)
static

Functions IsFalse and IsTrue return false when the input is NULL. Functions IsNotFalse and IsNotTrue return true when the input is NULL.

Definition at line 34 of file conditional-functions.cc.

References impala_udf::AnyVal::is_null, and impala_udf::BooleanVal::val.

BooleanVal ConditionalFunctions::IsNotFalse ( FunctionContext *  ctx,
const BooleanVal &  val 
)
static

Definition at line 39 of file conditional-functions.cc.

References impala_udf::AnyVal::is_null, and impala_udf::BooleanVal::val.

BooleanVal ConditionalFunctions::IsNotTrue ( FunctionContext *  ctx,
const BooleanVal &  val 
)
static

Definition at line 49 of file conditional-functions.cc.

References impala_udf::AnyVal::is_null, and impala_udf::BooleanVal::val.

BooleanVal ConditionalFunctions::IsTrue ( FunctionContext *  ctx,
const BooleanVal &  val 
)
static

Definition at line 44 of file conditional-functions.cc.

References impala_udf::AnyVal::is_null, and impala_udf::BooleanVal::val.

static TinyIntVal impala::ConditionalFunctions::NullIfZero ( FunctionContext *  context,
const TinyIntVal &  val 
)
static

Referenced by impala::Expr::InitBuiltinsDummy().

static SmallIntVal impala::ConditionalFunctions::NullIfZero ( FunctionContext *  context,
const SmallIntVal &  val 
)
static
static IntVal impala::ConditionalFunctions::NullIfZero ( FunctionContext *  context,
const IntVal &  val 
)
static
static BigIntVal impala::ConditionalFunctions::NullIfZero ( FunctionContext *  context,
const BigIntVal &  val 
)
static
static FloatVal impala::ConditionalFunctions::NullIfZero ( FunctionContext *  context,
const FloatVal &  val 
)
static
static DoubleVal impala::ConditionalFunctions::NullIfZero ( FunctionContext *  context,
const DoubleVal &  val 
)
static
DecimalVal ConditionalFunctions::NullIfZero ( FunctionContext *  context,
const DecimalVal &  val 
)
static

Definition at line 72 of file conditional-functions-ir.cc.

References impala::ColumnType::GetByteSize(), impala_udf::FunctionContext::GetReturnType(), impala_udf::AnyVal::is_null, impala::AnyValUtil::TypeDescToColumnType(), impala_udf::DecimalVal::val16, impala_udf::DecimalVal::val4, and impala_udf::DecimalVal::val8.

static TinyIntVal impala::ConditionalFunctions::ZeroIfNull ( FunctionContext *  context,
const TinyIntVal &  val 
)
static
static SmallIntVal impala::ConditionalFunctions::ZeroIfNull ( FunctionContext *  context,
const SmallIntVal &  val 
)
static
static IntVal impala::ConditionalFunctions::ZeroIfNull ( FunctionContext *  context,
const IntVal &  val 
)
static
static BigIntVal impala::ConditionalFunctions::ZeroIfNull ( FunctionContext *  context,
const BigIntVal &  val 
)
static
static FloatVal impala::ConditionalFunctions::ZeroIfNull ( FunctionContext *  context,
const FloatVal &  val 
)
static
static DoubleVal impala::ConditionalFunctions::ZeroIfNull ( FunctionContext *  context,
const DoubleVal &  val 
)
static
static DecimalVal impala::ConditionalFunctions::ZeroIfNull ( FunctionContext *  context,
const DecimalVal &  val 
)
static
The documentation for this class was generated from the following files: