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execution

package

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Versions in this module

v0

v0.4.1

Mar 11, 2016

Changes in this version

+ const Immutable

+ const MaxRangeMillisec

+ const MaxRangeSec

+ const MaxRangeTuples

+ const Stable

+ const UnknownVolatility

+ const Volatile

+ func CanBuildDefaultSelectExecutionPlan(lp *LogicalPlan, reg udf.FunctionRegistry) bool

+ func CanBuildFilterPlan(lp *LogicalPlan, reg udf.FunctionRegistry) bool

+ func CanBuildGroupbyExecutionPlan(lp *LogicalPlan, reg udf.FunctionRegistry) bool

+ func EvaluateFoldable(expr parser.Expression, reg udf.FunctionRegistry) (data.Value, error)

+ func EvaluateOnInput(expr parser.Expression, input data.Value, reg udf.FunctionRegistry) (data.Value, error)

+ type Evaluator interface

+ Eval func(input data.Value) (data.Value, error)

+ func ExpressionToEvaluator(ast FlatExpression, reg udf.FunctionRegistry) (Evaluator, error)

+ func FuncApp(name string, f udf.UDF, ctx *core.Context, params []Evaluator) Evaluator

+ type FlatExpression interface

+ Columns func() []rowValue

+ ContainsWildcard func() bool

+ Repr func() string

+ Volatility func() VolatilityType

+ func ParserExprToFlatExpr(e parser.Expression, reg udf.FunctionRegistry) (FlatExpression, error)

+ func ParserExprToMaybeAggregate(e parser.Expression, aggIdx int, reg udf.FunctionRegistry) (FlatExpression, map[string]FlatExpression, error)

+ type LogicalPlan struct

+ EmitterLimit int64

+ EmitterSampling float64

+ EmitterSamplingType parser.EmitterSamplingType

+ EmitterType parser.Emitter

+ Filter FlatExpression

+ GroupList []FlatExpression

+ GroupingStmt bool

+ Projections []aliasedExpression

+ func Analyze(s parser.SelectStmt, reg udf.FunctionRegistry) (*LogicalPlan, error)

+ func (lp *LogicalPlan) LogicalOptimize() (*LogicalPlan, error)

+ func (lp *LogicalPlan) MakePhysicalPlan(reg udf.FunctionRegistry) (PhysicalPlan, error)

+ type PhysicalPlan interface

+ Process func(input *core.Tuple) ([]data.Map, error)

+ func NewDefaultSelectExecutionPlan(lp *LogicalPlan, reg udf.FunctionRegistry) (PhysicalPlan, error)

+ func NewFilterPlan(lp *LogicalPlan, reg udf.FunctionRegistry) (PhysicalPlan, error)

+ func NewGroupbyExecutionPlan(lp *LogicalPlan, reg udf.FunctionRegistry) (PhysicalPlan, error)

+ type VolatilityType int

+ func (v VolatilityType) String() string

v0.4.0

Feb 19, 2016

v0.3.1

Oct 30, 2015

v0.3.0

Sep 4, 2015

v0.2.0

Aug 17, 2015

v0.1.0

Aug 3, 2015