ESQL: Lazy collection copying during node transform #124424
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A set of optimization for tree traversal: 1. perform lazy copying during children transform 2. use long hashing to avoid object creation 3. perform type check first before collection checking Relates elastic#124395
elasticsearchmachine added the Team:Analytics 
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| Hi @costin, I've created a changelog YAML for you. |
costin added v8.19.0 v8.18.1 auto-backport 
costin added a commit to costin/elasticsearch that referenced this pull request Mar 10, 2025
* ESQL: Lazy collection copying during node transform A set of optimization for tree traversal: 1. perform lazy copying during children transform 2. use long hashing to avoid object creation 3. perform type check first before collection checking Relates elastic#124395
costin added a commit to costin/elasticsearch that referenced this pull request Mar 10, 2025
* ESQL: Lazy collection copying during node transform A set of optimization for tree traversal: 1. perform lazy copying during children transform 2. use long hashing to avoid object creation 3. perform type check first before collection checking Relates elastic#124395
costin added a commit to costin/elasticsearch that referenced this pull request Mar 10, 2025
* ESQL: Lazy collection copying during node transform A set of optimization for tree traversal: 1. perform lazy copying during children transform 2. use long hashing to avoid object creation 3. perform type check first before collection checking Relates elastic#124395
elasticsearchmachine pushed a commit that referenced this pull request Mar 11, 2025
* ESQL: Lazy collection copying during node transform A set of optimization for tree traversal: 1. perform lazy copying during children transform 2. use long hashing to avoid object creation 3. perform type check first before collection checking Relates #124395
elasticsearchmachine pushed a commit that referenced this pull request Mar 11, 2025
* ESQL: Lazy collection copying during node transform A set of optimization for tree traversal: 1. perform lazy copying during children transform 2. use long hashing to avoid object creation 3. perform type check first before collection checking Relates #124395
elasticsearchmachine pushed a commit that referenced this pull request Mar 11, 2025
* ESQL: Lazy collection copying during node transform A set of optimization for tree traversal: 1. perform lazy copying during children transform 2. use long hashing to avoid object creation 3. perform type check first before collection checking Relates #124395
georgewallace pushed a commit to georgewallace/elasticsearch that referenced this pull request Mar 11, 2025
* ESQL: Lazy collection copying during node transform A set of optimization for tree traversal: 1. perform lazy copying during children transform 2. use long hashing to avoid object creation 3. perform type check first before collection checking Relates elastic#124395
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alex-spies reviewed Mar 11, 2025
| | ||
| Function<Object, Object> realRule = p -> { | ||
| if (p != children && false == children.contains(p) && (p == null || typeToken.isInstance(p))) { | ||
| if (p != children && (p == null || typeToken.isInstance(p)) && false == children.contains(p)) { |
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Thought: should the children.contains(p) still show up in profiles, we could maybe refactor NodeInfo to track the non-children properties separately - avoiding this check in the first place.
albertzaharovits pushed a commit to albertzaharovits/elasticsearch that referenced this pull request Mar 13, 2025
* ESQL: Lazy collection copying during node transform A set of optimization for tree traversal: 1. perform lazy copying during children transform 2. use long hashing to avoid object creation 3. perform type check first before collection checking Relates elastic#124395
jfreden pushed a commit to jfreden/elasticsearch that referenced this pull request Mar 13, 2025
* ESQL: Lazy collection copying during node transform A set of optimization for tree traversal: 1. perform lazy copying during children transform 2. use long hashing to avoid object creation 3. perform type check first before collection checking Relates elastic#124395
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A set of optimization for tree traversal:
Relates #124395