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Support arithmetic operations for dense_vectors: vector version (#140539)
* Support arithmetic operations for dense_vectors: vector version Adds support for arithmetic operations - '+', '-', '*' and '/' to operands of type dense_vector. The vector dimensions need to match, otherwise the result is null. Closes #140537 * review comments and tests 1. Refactored DenseVectorsEvaluator to keep make it consise. 2. Minor changes in processing of inputs 3. Added new tests for each of the operation 4. Fix for existing tests * [CI] Auto commit changes from spotless * minor updates to address review comments * Update docs/changelog/140539.yaml --------- Co-authored-by: elasticsearchmachine <infra-root+elasticsearchmachine@elastic.co>
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‎docs/changelog/140539.yaml‎

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pr: 140539
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summary: "Support arithmetic operations for dense_vectors: vector version"
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area: ES|QL
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type: enhancement
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issues:
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- 140537

‎docs/reference/query-languages/esql/_snippets/operators/types/add.md‎

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| date_period | date | date |
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| date_period | date_nanos | date_nanos |
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| date_period | date_period | date_period |
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| dense_vector | dense_vector | dense_vector |
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| double | double | double |
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| double | integer | double |
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| double | long | double |

‎docs/reference/query-languages/esql/_snippets/operators/types/div.md‎

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| lhs | rhs | result |
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| --- | --- | --- |
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| dense_vector | dense_vector | dense_vector |
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| double | double | double |
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| double | integer | double |
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| double | long | double |

‎docs/reference/query-languages/esql/_snippets/operators/types/mul.md‎

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| double | double | double |
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‎docs/reference/query-languages/esql/_snippets/operators/types/sub.md‎

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| date_nanos | time_duration | date_nanos |
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| date_period | date_period | date_period |
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| dense_vector | dense_vector | dense_vector |
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| double | double | double |
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| double | integer | double |
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| double | long | double |

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‎docs/reference/query-languages/esql/kibana/definition/operators/add.json‎

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