本文整理汇总了Golang中github.com/influxdata/influxdb/influxql.NewLimitIterator函数的典型用法代码示例。如果您正苦于以下问题:Golang NewLimitIterator函数的具体用法?Golang NewLimitIterator怎么用?Golang NewLimitIterator使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了NewLimitIterator函数的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Golang代码示例。
示例1: TestLimitIterator_Boolean
// Ensure limit iterators work with limit and offset.
func TestLimitIterator_Boolean(t *testing.T) {
input := &BooleanIterator{Points: []influxql.BooleanPoint{
{Name: "cpu", Time: 0, Value: true},
{Name: "cpu", Time: 5, Value: false},
{Name: "cpu", Time: 10, Value: true},
{Name: "mem", Time: 5, Value: false},
{Name: "mem", Time: 7, Value: true},
}}
itr := influxql.NewLimitIterator(input, influxql.IteratorOptions{
Limit: 1,
Offset: 1,
})
if a := Iterators([]influxql.Iterator{itr}).ReadAll(); !deep.Equal(a, [][]influxql.Point{
{&influxql.BooleanPoint{Name: "cpu", Time: 5, Value: false}},
{&influxql.BooleanPoint{Name: "mem", Time: 7, Value: true}},
}) {
t.Fatalf("unexpected points: %s", spew.Sdump(a))
}
if !input.Closed {
t.Error("iterator not closed")
}
}
开发者ID:seiflotfy,项目名称:influxdb,代码行数:26,代码来源:iterator_test.go
示例2: TestLimitIterator_String
// Ensure limit iterators work with limit and offset.
func TestLimitIterator_String(t *testing.T) {
input := &StringIterator{Points: []influxql.StringPoint{
{Name: "cpu", Time: 0, Value: "a"},
{Name: "cpu", Time: 5, Value: "b"},
{Name: "cpu", Time: 10, Value: "c"},
{Name: "mem", Time: 5, Value: "d"},
{Name: "mem", Time: 7, Value: "e"},
}}
itr := influxql.NewLimitIterator(input, influxql.IteratorOptions{
Limit: 1,
Offset: 1,
})
if a, err := Iterators([]influxql.Iterator{itr}).ReadAll(); err != nil {
t.Fatalf("unexpected error: %s", err)
} else if !deep.Equal(a, [][]influxql.Point{
{&influxql.StringPoint{Name: "cpu", Time: 5, Value: "b"}},
{&influxql.StringPoint{Name: "mem", Time: 7, Value: "e"}},
}) {
t.Fatalf("unexpected points: %s", spew.Sdump(a))
}
if !input.Closed {
t.Error("iterator not closed")
}
}
开发者ID:Vidhuran,项目名称:influxdb,代码行数:28,代码来源:iterator_test.go
示例3: TestLimitIterator
// Ensure limit iterator returns a subset of points.
func TestLimitIterator(t *testing.T) {
itr := influxql.NewLimitIterator(
&FloatIterator{Points: []influxql.FloatPoint{
{Time: 0, Value: 0},
{Time: 1, Value: 1},
{Time: 2, Value: 2},
{Time: 3, Value: 3},
}},
influxql.IteratorOptions{
Limit: 2,
Offset: 1,
StartTime: influxql.MinTime,
EndTime: influxql.MaxTime,
},
)
if a, err := (Iterators{itr}).ReadAll(); err != nil {
t.Fatalf("unexpected error: %s", err)
} else if !deep.Equal(a, [][]influxql.Point{
{&influxql.FloatPoint{Time: 1, Value: 1}},
{&influxql.FloatPoint{Time: 2, Value: 2}},
}) {
t.Fatalf("unexpected points: %s", spew.Sdump(a))
}
}
开发者ID:Vidhuran,项目名称:influxdb,代码行数:26,代码来源:iterator_test.go
示例4: createMeasurementsIterator
func (e *StatementExecutor) createMeasurementsIterator(stmt *influxql.SelectStatement, index *tsdb.DatabaseIndex) ([]influxql.Iterator, error) {
opt := influxql.IteratorOptions{
Condition: stmt.Condition,
Aux: []influxql.VarRef{{Val: "name", Type: influxql.String}},
Limit: stmt.Limit,
Offset: stmt.Offset,
}
var input influxql.Iterator
input, err := tsdb.NewMeasurementIterator(index, opt)
if err != nil {
return nil, err
}
// Apply limit & offset.
if opt.Limit > 0 || opt.Offset > 0 {
input = influxql.NewLimitIterator(input, opt)
}
aitr := influxql.NewAuxIterator(input, opt)
itr := aitr.Iterator("name", influxql.String)
aitr.Background()
return []influxql.Iterator{itr}, nil
}
开发者ID:ChenXiukun,项目名称:influxdb,代码行数:24,代码来源:statement_executor.go
注:本文中的github.com/influxdata/influxdb/influxql.NewLimitIterator函数示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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