Documentation
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Index ¶
Constants ¶
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const ( Top = iota Limit Order Group Output Offset Product Restrict Dispatch Connector Projection Join LoopJoin Left LoopLeft Single LoopSingle Semi LoopSemi Anti LoopAnti Mark LoopMark Merge MergeTop MergeLimit MergeOrder MergeGroup MergeOffset Deletion Insert Update External Minus Intersect IntersectAll HashBuild TableFunction // MergeBlock is used to recieve S3 block metLoc Info, and write // them to S3 MergeBlock // 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
// flag for analyzeInfo record the row information
IsFirst bool
IsLast bool
}
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
¶
| Path | Synopsis |
|---|---|
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tae/common
A few allocators for TAE
|
A few allocators for TAE |
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tae/logtail/service
This package implements client and server for logtail push model.
|
This package implements client and server for logtail push model. |
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tae/mergesort/bools
Package heap provides heap operations for any type that implements heap.Interface.
|
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. |
|
tae/mergesort/varchar
Package heap provides heap operations for any type that implements heap.Interface.
|
Package heap provides heap operations for any type that implements heap.Interface. |
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