Documentation
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Index ¶
Constants ¶
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const ( Top = iota Join Semi Left Limit Merge //5 Order Group //7 Output //8 Offset Product Restrict Dispatch Connector //13 Projection //14 Anti Single //16 Mark LoopJoin LoopLeft LoopSemi LoopAnti LoopSingle MergeTop MergeLimit MergeOrder MergeGroup //26 MergeOffset Deletion Insert Update External Minus Intersect IntersectAll HashBuild Unnest GenerateSeries // LastInstructionOp is not a true operator and must set at last. // It was used by unit testing to ensure that // all functions related to instructions can reach 100% coverage. LastInstructionOp )
Variables ¶
This section is empty.
Functions ¶
func Prepare ¶
func Prepare(ins Instructions, proc *process.Process) error
Prepare range instructions and do init work for each operator's argument by calling its prepare function
func String ¶
func String(ins Instructions, buf *bytes.Buffer)
String range instructions and call each operator's string function to show a query plan
Types ¶
type Instruction ¶
type Instruction struct {
// Op specified the operator code of an instruction.
Op int
// Idx specified the analysis information index.
Idx int
// Arg contains the operand of this instruction.
Arg InstructionArgument
}
Instruction contains relational algebra
func (*Instruction) IsBrokenNode ¶ added in v0.6.0
func (ins *Instruction) IsBrokenNode() bool
func (Instruction) MarshalBinary ¶ added in v0.6.0
func (ins Instruction) MarshalBinary() ([]byte, error)
func (Instruction) UnmarshalBinary ¶ added in v0.6.0
func (ins Instruction) UnmarshalBinary(_ []byte) error
type InstructionArgument ¶ added in v0.6.0
type Instructions ¶
type Instructions []Instruction
Source Files
Directories
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| Path | Synopsis |
|---|---|
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tae/common
A few allocators for TAE
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A few allocators for TAE |
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tae/mergesort/bools
Package heap provides heap operations for any type that implements heap.Interface.
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Package heap provides heap operations for any type that implements heap.Interface. |
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tae/mergesort/decimal128s
Package heap provides heap operations for any type that implements heap.Interface.
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Package heap provides heap operations for any type that implements heap.Interface. |
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tae/mergesort/decimal64s
Package heap provides heap operations for any type that implements heap.Interface.
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Package heap provides heap operations for any type that implements heap.Interface. |
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tae/mergesort/numerics
Package heap provides heap operations for any type that implements heap.Interface.
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Package heap provides heap operations for any type that implements heap.Interface. |
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tae/mergesort/rowid
Package heap provides heap operations for any type that implements heap.Interface.
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Package heap provides heap operations for any type that implements heap.Interface. |
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tae/mergesort/txnts
Package heap provides heap operations for any type that implements heap.Interface.
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Package heap provides heap operations for any type that implements heap.Interface. |
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tae/mergesort/uuids
Package heap provides heap operations for any type that implements heap.Interface.
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Package heap provides heap operations for any type that implements heap.Interface. |
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tae/mergesort/varchar
Package heap provides heap operations for any type that implements heap.Interface.
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Package heap provides heap operations for any type that implements heap.Interface. |
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