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116
src/test/java/com/datastax/astra/jdbc/jdbc/TestVector.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| package com.datastax.astra.jdbc.jdbc; | ||
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| import com.datastax.astra.jdbc.AstraJdbcDataSource; | ||
| import com.dtsx.astra.sdk.db.AstraDbClient; | ||
| import com.dtsx.astra.sdk.utils.TestUtils; | ||
| import org.junit.jupiter.api.Assertions; | ||
| import org.junit.jupiter.api.BeforeAll; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
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| import java.sql.Connection; | ||
| import java.sql.PreparedStatement; | ||
| import java.sql.SQLException; | ||
| import java.util.Optional; | ||
|
|
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| /** | ||
| * This class test Support of Vector with CQL | ||
| */ | ||
| public class TestVector { | ||
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| static Logger logger = LoggerFactory.getLogger(TestVector.class); | ||
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| private static final String TEST_DB = "test_jdbc_wrapper"; | ||
| private static final String TEST_KEYSPACE = "test"; | ||
| private static String token; | ||
| private static AstraJdbcDataSource jdbcDataSource; | ||
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| @BeforeAll | ||
| public static void setupDb() throws SQLException { | ||
| token = Optional.ofNullable(System.getenv("ASTRA_DB_APPLICATION_TOKEN")) | ||
| .orElseThrow(() -> new IllegalStateException("Please define env variable ASTRA_DB_APPLICATION_TOKEN")); | ||
| logger.info("[setup] - Token found"); | ||
|
|
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| // Create DB | ||
| TestUtils.setupVectorDatabase(TEST_DB, TEST_KEYSPACE); | ||
| logger.info("[setup] - DB Setup"); | ||
|
|
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| // Create DataSource | ||
| jdbcDataSource = new AstraJdbcDataSource(token, TEST_DB, TEST_KEYSPACE); | ||
| logger.info("[setup] - Jdbc Connection established"); | ||
|
|
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| // Create Tables and data | ||
| createVectorTable(); | ||
| logger.info("[setup] - Schema Created"); | ||
| } | ||
|
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| @Test | ||
| public void testSimilaritySearch() { | ||
| try (Connection connection = jdbcDataSource.getConnection()) { | ||
| PreparedStatement ps = connection.prepareStatement("" + | ||
| "SELECT\n" + | ||
| " product_id, product_vector,\n" + | ||
| " similarity_dot_product(product_vector,[1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]) as similarity\n" + | ||
| "FROM pet_supply_vectors\n" + | ||
| "ORDER BY product_vector\n" + | ||
| "ANN OF [1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]\n" + | ||
| "LIMIT 2;"); | ||
| java.sql.ResultSet rs = ps.executeQuery(); | ||
| // A result has been found | ||
| Assertions.assertTrue(rs.next()); | ||
| logger.info("Similarity Search succeed {}", rs.getObject("product_vector")); | ||
|
|
||
| } catch (java.sql.SQLException e) { | ||
| System.out.println("[KO] " + e.getMessage()); | ||
| } | ||
| } | ||
|
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||
| /** | ||
| * Create table with JDBC | ||
| * | ||
| * @throws SQLException | ||
| * error | ||
| */ | ||
| private static void createVectorTable() throws SQLException { | ||
| // Create Connection | ||
| try (Connection conn = jdbcDataSource.getConnection()) { | ||
|
|
||
| // Create a Table with Embeddings | ||
| conn.createStatement().execute("" + | ||
| "CREATE TABLE IF NOT EXISTS pet_supply_vectors (" + | ||
| " product_id TEXT PRIMARY KEY," + | ||
| " product_name TEXT," + | ||
| " product_vector vector<float, 14>)"); | ||
| logger.info("Table created."); | ||
|
|
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| // Create a Search Index | ||
| conn.createStatement().execute("" + | ||
| "CREATE CUSTOM INDEX IF NOT EXISTS idx_vector " + | ||
| "ON pet_supply_vectors(product_vector) " + | ||
| "USING 'StorageAttachedIndex'"); | ||
| logger.info("Index Created."); | ||
|
|
||
| // Insert rows | ||
| conn.createStatement().execute("" + | ||
| "INSERT INTO pet_supply_vectors (product_id, product_name, product_vector) " + | ||
| "VALUES ('pf1843','HealthyFresh - Chicken raw dog food',[1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0])"); | ||
| conn.createStatement().execute("" + | ||
| "INSERT INTO pet_supply_vectors (product_id, product_name, product_vector) " + | ||
| "VALUES ('pf1844','HealthyFresh - Beef raw dog food',[1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0])"); | ||
| conn.createStatement().execute("" + | ||
| "INSERT INTO pet_supply_vectors (product_id, product_name, product_vector) " + | ||
| "VALUES ('pt0021','Dog Tennis Ball Toy',[0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0])"); | ||
| conn.createStatement().execute("" + | ||
| "INSERT INTO pet_supply_vectors (product_id, product_name, product_vector) " + | ||
| "VALUES ('pt0041','Dog Ring Chew Toy',[0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0])"); | ||
| conn.createStatement().execute("" + | ||
| "INSERT INTO pet_supply_vectors (product_id, product_name, product_vector) " + | ||
| "VALUES ('pf7043','PupperSausage Bacon dog Treats',[0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1])"); | ||
| conn.createStatement().execute("" + | ||
| "INSERT INTO pet_supply_vectors (product_id, product_name, product_vector) " + | ||
| "VALUES ('pf7044','PupperSausage Beef dog Treats',[0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0])"); | ||
| logger.info("Table populated."); | ||
| } | ||
| } | ||
| } |