Struct PgVectorBuilder

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pub struct PgVectorBuilder { /* private fields */ }
Available on crate feature pgvector only.
Expand description

Builder for PgVector.

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impl PgVectorBuilder

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pub fn table_name<VALUE: Into<String>>(&mut self, value: VALUE) -> &mut Self

Name of the table to store vectors.

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pub fn vector_size<VALUE: Into<i32>>(&mut self, value: VALUE) -> &mut Self

Default vector size; can be customized per configuration.

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pub fn batch_size<VALUE: Into<usize>>(&mut self, value: VALUE) -> &mut Self

Batch size for storing nodes.

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pub fn fields<VALUE: Into<Vec<FieldConfig>>>( &mut self, value: VALUE, ) -> &mut Self

Field configurations for the PgVector table schema.

Supports multiple field types (see FieldConfig).

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pub fn db_url<VALUE: Into<String>>(&mut self, value: VALUE) -> &mut Self

Database connection URL.

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pub fn db_max_connections<VALUE: Into<u32>>( &mut self, value: VALUE, ) -> &mut Self

Maximum connections allowed in the connection pool.

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pub fn db_max_retry<VALUE: Into<u32>>(&mut self, value: VALUE) -> &mut Self

Maximum retry attempts for establishing a database connection.

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pub fn db_conn_retry_delay<VALUE: Into<Duration>>( &mut self, value: VALUE, ) -> &mut Self

Delay between retry attempts for database connections.

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pub fn connection_pool<VALUE: Into<Arc<OnceLock<PgPool>>>>( &mut self, value: VALUE, ) -> &mut Self

Lazy-initialized database connection pool.

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pub fn sql_stmt_bulk_insert<VALUE: Into<Arc<OnceLock<String>>>>( &mut self, value: VALUE, ) -> &mut Self

SQL statement used for executing bulk insert.

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pub fn build(&self) -> Result<PgVector, Error>

Builds a new PgVector.

§Errors

If a required field has not been initialized.

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impl PgVectorBuilder

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pub fn with_vector(&mut self, config: impl Into<VectorConfig>) -> &mut Self

Adds a vector configuration to the builder.

§Arguments
  • config - The vector configuration to add, which can be converted into a VectorConfig.
§Returns

A mutable reference to the builder with the new vector configuration added.

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pub fn with_metadata(&mut self, config: impl Into<MetadataConfig>) -> &mut Self

Sets the metadata configuration for the vector similarity search.

This method allows you to specify metadata configurations for vector similarity search using MetadataConfig. The provided configuration will be added as a new field in the builder.

§Arguments
  • config - The metadata configuration to use.
§Returns
  • Returns a mutable reference to self for method chaining.
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pub fn default_fields() -> Vec<FieldConfig>

Trait Implementations§

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impl Clone for PgVectorBuilder

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fn clone(&self) -> PgVectorBuilder

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Default for PgVectorBuilder

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fn default() -> Self

Returns the “default value” for a type. Read more

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