mirror of https://gitee.com/bigwinds/arangodb
135 lines
7.5 KiB
Plaintext
135 lines
7.5 KiB
Plaintext
shell> curl -X POST --data-binary @- --dump - http://localhost:8529/_api/explain <<EOF
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{
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<span class="hljs-string">"query"</span> : <span class="hljs-string">"FOR p IN products FILTER p.id == 25 RETURN p"</span>,
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<span class="hljs-string">"options"</span> : {
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<span class="hljs-string">"allPlans"</span> : <span class="hljs-literal">true</span>
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}
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}
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EOF
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HTTP/<span class="hljs-number">1.1</span> <span class="hljs-number">200</span> OK
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content-type: application/json; charset=utf<span class="hljs-number">-8</span>
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x-content-type-options: nosniff
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{
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<span class="hljs-string">"plans"</span> : [
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{
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<span class="hljs-string">"nodes"</span> : [
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{
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<span class="hljs-string">"type"</span> : <span class="hljs-string">"SingletonNode"</span>,
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<span class="hljs-string">"dependencies"</span> : [ ],
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<span class="hljs-string">"id"</span> : <span class="hljs-number">1</span>,
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<span class="hljs-string">"estimatedCost"</span> : <span class="hljs-number">1</span>,
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<span class="hljs-string">"estimatedNrItems"</span> : <span class="hljs-number">1</span>
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},
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{
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<span class="hljs-string">"type"</span> : <span class="hljs-string">"IndexNode"</span>,
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<span class="hljs-string">"dependencies"</span> : [
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<span class="hljs-number">1</span>
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],
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<span class="hljs-string">"id"</span> : <span class="hljs-number">6</span>,
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<span class="hljs-string">"estimatedCost"</span> : <span class="hljs-number">1.99</span>,
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<span class="hljs-string">"estimatedNrItems"</span> : <span class="hljs-number">1</span>,
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<span class="hljs-string">"database"</span> : <span class="hljs-string">"_system"</span>,
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<span class="hljs-string">"collection"</span> : <span class="hljs-string">"products"</span>,
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<span class="hljs-string">"satellite"</span> : <span class="hljs-literal">false</span>,
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<span class="hljs-string">"outVariable"</span> : {
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<span class="hljs-string">"id"</span> : <span class="hljs-number">0</span>,
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<span class="hljs-string">"name"</span> : <span class="hljs-string">"p"</span>
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},
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<span class="hljs-string">"producesResult"</span> : <span class="hljs-literal">true</span>,
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<span class="hljs-string">"indexes"</span> : [
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{
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<span class="hljs-string">"id"</span> : <span class="hljs-string">"12474"</span>,
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<span class="hljs-string">"type"</span> : <span class="hljs-string">"hash"</span>,
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<span class="hljs-string">"fields"</span> : [
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<span class="hljs-string">"id"</span>
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],
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<span class="hljs-string">"selectivityEstimate"</span> : <span class="hljs-number">1</span>,
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<span class="hljs-string">"unique"</span> : <span class="hljs-literal">false</span>,
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<span class="hljs-string">"sparse"</span> : <span class="hljs-literal">false</span>,
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<span class="hljs-string">"deduplicate"</span> : <span class="hljs-literal">true</span>
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}
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],
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<span class="hljs-string">"condition"</span> : {
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<span class="hljs-string">"type"</span> : <span class="hljs-string">"n-ary or"</span>,
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<span class="hljs-string">"subNodes"</span> : [
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{
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<span class="hljs-string">"type"</span> : <span class="hljs-string">"n-ary and"</span>,
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<span class="hljs-string">"subNodes"</span> : [
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{
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<span class="hljs-string">"type"</span> : <span class="hljs-string">"compare =="</span>,
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<span class="hljs-string">"subNodes"</span> : [
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{
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<span class="hljs-string">"type"</span> : <span class="hljs-string">"attribute access"</span>,
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<span class="hljs-string">"name"</span> : <span class="hljs-string">"id"</span>,
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<span class="hljs-string">"subNodes"</span> : [
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{
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<span class="hljs-string">"type"</span> : <span class="hljs-string">"reference"</span>,
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<span class="hljs-string">"name"</span> : <span class="hljs-string">"p"</span>,
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<span class="hljs-string">"id"</span> : <span class="hljs-number">0</span>
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}
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]
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},
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{
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<span class="hljs-string">"type"</span> : <span class="hljs-string">"value"</span>,
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<span class="hljs-string">"value"</span> : <span class="hljs-number">25</span>
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}
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]
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}
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]
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}
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]
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},
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<span class="hljs-string">"reverse"</span> : <span class="hljs-literal">false</span>
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},
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{
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<span class="hljs-string">"type"</span> : <span class="hljs-string">"ReturnNode"</span>,
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<span class="hljs-string">"dependencies"</span> : [
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<span class="hljs-number">6</span>
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],
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<span class="hljs-string">"id"</span> : <span class="hljs-number">5</span>,
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<span class="hljs-string">"estimatedCost"</span> : <span class="hljs-number">2.99</span>,
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<span class="hljs-string">"estimatedNrItems"</span> : <span class="hljs-number">1</span>,
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<span class="hljs-string">"inVariable"</span> : {
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<span class="hljs-string">"id"</span> : <span class="hljs-number">0</span>,
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<span class="hljs-string">"name"</span> : <span class="hljs-string">"p"</span>
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}
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}
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],
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<span class="hljs-string">"rules"</span> : [
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<span class="hljs-string">"use-indexes"</span>,
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<span class="hljs-string">"remove-filter-covered-by-index"</span>,
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<span class="hljs-string">"remove-unnecessary-calculations-2"</span>
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],
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<span class="hljs-string">"collections"</span> : [
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{
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<span class="hljs-string">"name"</span> : <span class="hljs-string">"products"</span>,
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<span class="hljs-string">"type"</span> : <span class="hljs-string">"read"</span>
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}
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],
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<span class="hljs-string">"variables"</span> : [
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{
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<span class="hljs-string">"id"</span> : <span class="hljs-number">2</span>,
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<span class="hljs-string">"name"</span> : <span class="hljs-string">"1"</span>
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},
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{
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<span class="hljs-string">"id"</span> : <span class="hljs-number">0</span>,
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<span class="hljs-string">"name"</span> : <span class="hljs-string">"p"</span>
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}
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],
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<span class="hljs-string">"estimatedCost"</span> : <span class="hljs-number">2.99</span>,
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<span class="hljs-string">"estimatedNrItems"</span> : <span class="hljs-number">1</span>,
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<span class="hljs-string">"initialize"</span> : <span class="hljs-literal">true</span>
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}
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],
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<span class="hljs-string">"warnings"</span> : [ ],
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<span class="hljs-string">"stats"</span> : {
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<span class="hljs-string">"rulesExecuted"</span> : <span class="hljs-number">31</span>,
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<span class="hljs-string">"rulesSkipped"</span> : <span class="hljs-number">0</span>,
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<span class="hljs-string">"plansCreated"</span> : <span class="hljs-number">1</span>
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},
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<span class="hljs-string">"error"</span> : <span class="hljs-literal">false</span>,
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<span class="hljs-string">"code"</span> : <span class="hljs-number">200</span>
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}
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