AlloyDB - Vector Search
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In this article
Overview
You can use this Snap to perform advanced vector-based queries using the SELECT statement.
Snap Type
The AlloyDB - Vector Search Snap is a Read-type Snap.
Prerequisites
A valid account with the required permissions.
Support for Ultra Pipelines
Works in Ultra Pipelines.Â
Limitations and Known Issues
None.
Snap Views
Type | Format | Number of Views | Examples of Upstream and Downstream Snaps | Description |
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Input | Document   |
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Output | Document  |
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| For each input document, all results are grouped in a single output document. |
Error | Error handling is a generic way to handle errors without losing data or failing the Snap execution. You can handle the errors that the Snap might encounter when running the pipeline by choosing one of the following options from the When errors occur list under the Views tab:
Learn more about Error handling in Pipelines. |
Snap Settings
Asterisk ( * ): Indicates a mandatory field.
Suggestion icon (): Indicates a list that is dynamically populated based on the configuration.
Expression icon ( ): Indicates the value is an expression (if enabled) or a static value (if disabled). Learn more about Using Expressions in SnapLogic.
Add icon ( ): Indicates that you can add fields in the field set.
Remove icon ( ): Indicates that you can remove fields from the field set.
Upload icon ( ): Indicates that you can upload files.
Field Name | Field Type | Description |
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Label* Â Default Value:Â AlloyDB Vector Search | String | Specify a name for the Snap. You can modify this to be more specific, especially if you have more than one of the same Snaps in your pipeline. Â |
Schema name  Default Value: N/A | String/Expression/Suggestion | Specify the schema name when searching for a vector. |
Table Name* Â Default Value: N/AÂ | String/Expression/Suggestion | Specify the table name when searching for a vector. |
 Vector Column*  Default Value: N/A | String/Expression/Suggestion | Specify the vector column name to search. |
Where Clause  Default Value: N/A | String/Expression/Suggestion | Specify the where clause to use in the vector search query statement. Because of the limitation of the SQL standard, you cannot use the |
Limit Rows  Default Value: 4 | Integer/Expression/Suggestion | Specify the number of results to return for each query.  |
Distance Function* Â Default Value:Â L2 | Dropdown List | Choose the similarity function to compare vectors. The available options are:
Learn more about the Vector Similarity Functions. |
Include vector values  Default Value: Deselected | Checkbox/Expression | Select this checkbox to include vector values in the response. This field does not support input schema from the upstream Snaps. |
Include scores  Default Value: Selected | Checkbox/Expression | Select this checkbox to include similarity scores in the response. |
Ignore empty result Default Value: Deselected | Checkbox | Select this checkbox if you want the Snap to produce no output when no matching vector is found. Otherwise, the Snap outputs a blank document when no vectors match. |
Number of retries  Default Value: 0 | Integer/Expression | Specify the maximum number of attempts to make to receive a response. |
Retry interval (seconds) Â Default Value:Â 0 | Integer/Expression | Specify the minimum number of seconds the Snap must wait before each retry attempt. |
Snap execution Default Value:Â Validate & Execute | Dropdown list | Select one of the following three modes in which the Snap executes:
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 Snap Pack History
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