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TestTable.java
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TestTable.java
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package com.rockset.jdbc;
import static org.testng.Assert.assertEquals;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.rockset.client.RocksetClient;
import com.rockset.client.model.CreateCollectionRequest;
import com.rockset.client.model.CreateCollectionResponse;
import com.rockset.client.model.DeleteCollectionResponse;
import com.rockset.client.model.QueryRequest;
import com.rockset.client.model.QueryRequestSql;
import com.rockset.client.model.QueryResponse;
import com.rockset.client.model.Resource;
import java.io.File;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Time;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import okhttp3.MediaType;
import okhttp3.MultipartBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;
import org.apache.commons.lang3.RandomStringUtils;
import org.testng.Assert;
import org.testng.annotations.BeforeSuite;
import org.testng.annotations.Test;
//
// An example that shows simple JDBC queries
//
public class TestTable {
// JDBC driver name and database URL
private static final String JDBC_DRIVER = FirstExample.JDBC_DRIVER;
private static final String DB_URL = FirstExample.DB_URL;
// store credentials for accessing rockset service
private Properties property;
// A rockset client to directly interact with Rockset service
private RocksetClient testClient;
// A private object to upload files to rockset
OkHttpClient client = new OkHttpClient();
final ObjectMapper mapper = new ObjectMapper();
@BeforeSuite
public void setUp() throws Exception {
String apikey = System.getenv("ROCKSET_APIKEY");
String endpoint = System.getenv("ROCKSET_APISERVER");
if (apikey == null || endpoint == null) {
throw new Exception("If you want to run unit tests "
+ "Please set ROCKSET_APIKEY and ROCKSET_APISERVER");
}
property = new Properties();
property.setProperty("apikey", apikey);
property.setProperty("endpoint", endpoint);
// create the Rockset test client
testClient = new RocksetClient(property.getProperty("apikey"),
property.getProperty("endpoint"));
// Register JDBC driver
Class.forName(JDBC_DRIVER);
}
//
// Check catalog names.
// This call should return one record with with one column
// TABLE_CATALOG
//
@Test
public void testGetTables() throws Exception {
System.out.println("testGetTables");
// create 3 collections
int numCollections = 3;
List<String> colls = generateCollectionNames(numCollections);
createCollections(colls);
// now check these 3 collections are returned via the JDBC call
Connection conn = null;
Statement stmt = null;
try {
conn = DriverManager.getConnection(DB_URL, property);
DatabaseMetaData meta = conn.getMetaData();
ResultSet rs = meta.getTables(RocksetConnection.DEFAULT_CATALOG,
RocksetConnection.DEFAULT_SCHEMA,
"*", null);
int colCatIndex = rs.findColumn("TABLE_CAT");
int colSchemaIndex = rs.findColumn("TABLE_SCHEM");
int colNameIndex = rs.findColumn("TABLE_NAME");
int colTypeIndex = rs.findColumn("TABLE_TYPE");
int colRemarksIndex = rs.findColumn("REMARKS");
int found = 0;
while (rs.next()) {
String value = rs.getString(colSchemaIndex);
Assert.assertTrue(value.equals(RocksetConnection.DEFAULT_SCHEMA));
value = rs.getString(colCatIndex);
Assert.assertTrue(value.equals(RocksetConnection.DEFAULT_CATALOG));
value = rs.getString(colTypeIndex);
Assert.assertTrue(value.equals("TABLE"));
final String v1 = rs.getString(colNameIndex);
if (colls.stream().anyMatch(str -> str.equals(v1))) {
found++;
}
}
Assert.assertEquals(numCollections, found);
} finally {
cleanup(colls, stmt, conn);
}
}
@Test
public void testDateTimeTimestamp() throws Exception {
System.out.println("testDateTimeTimestamp");
Connection conn = null;
Statement stmt = null;
ResultSet rs = null;
// create 1 collection
int numCollections = 1;
List<String> colls = generateCollectionNames(numCollections);
final String collectionName = colls.get(0);
try {
// create collection
createCollections(colls);
// wait for all leaves to be ready to serve
waitCollections(colls);
String csvParams =
"{ \"csv\": { \"columnNames\": [\"c1\", \"c2\", \"c3\"], "
+ "\"columnTypes\": [\"DATE\", \"TIME\", \"TIMESTAMP\"] } }";
uploadFile(collectionName, "src/test/resources/basic.csv", csvParams);
waitNumberDocs(collectionName, 1);
conn = DriverManager.getConnection(DB_URL, property);
// Execute a query
System.out.println("Creating statement 1...");
stmt = conn.createStatement();
String sql = "select c1, c2, c3 from " + collectionName;
rs = stmt.executeQuery(sql);
// Extract data from result set
while (rs.next()) {
//Retrieve by column name
Date c1 = rs.getDate("c1");
Time c2 = rs.getTime("c2");
long c3 = rs.getLong("c3");
//Display values
System.out.println("c1: " + c1.toString()
+ " c2: " + c2.toString()
+ " c3: " + c3);
}
} finally {
cleanup(colls, stmt, conn);
}
}
@Test
public void testGetColumns() throws Exception {
System.out.println("testGetTableColumns");
Connection conn = null;
Statement stmt = null;
// create 1 collection
int numCollections = 1;
List<String> colls = generateCollectionNames(numCollections);
final String collectionName = colls.get(0);
try {
// create collection
createCollections(colls);
// wait for all leaves to be ready to serve
waitCollections(colls);
// upload one file to collection and wait for it to be visible
uploadFile(collectionName, "src/test/resources/basic.json", null);
waitNumberDocs(collectionName, 1);
// there should be 6 columns in this test file
// a, name, nested, _id, _meta, _event_time
final int numColumns = 6;
conn = DriverManager.getConnection(DB_URL, property);
DatabaseMetaData meta = conn.getMetaData();
ResultSet rs = meta.getColumns(RocksetConnection.DEFAULT_CATALOG,
RocksetConnection.DEFAULT_SCHEMA,
collectionName, null);
int colCatIndex = rs.findColumn("TABLE_CAT");
int colSchemaIndex = rs.findColumn("TABLE_SCHEM");
int colNameIndex = rs.findColumn("TABLE_NAME");
int c1 = rs.findColumn("COLUMN_NAME");
c1 = rs.findColumn("DATA_TYPE");
c1 = rs.findColumn("TYPE_NAME");
c1 = rs.findColumn("COLUMN_SIZE");
c1 = rs.findColumn("BUFFER_LENGTH");
c1 = rs.findColumn("DECIMAL_DIGITS");
c1 = rs.findColumn("NUM_PREC_RADIX");
c1 = rs.findColumn("NULLABLE");
c1 = rs.findColumn("REMARKS");
c1 = rs.findColumn("COLUMN_DEF");
c1 = rs.findColumn("SQL_DATA_TYPE");
c1 = rs.findColumn("SQL_DATETIME_SUB");
c1 = rs.findColumn("CHAR_OCTET_LENGTH");
c1 = rs.findColumn("ORDINAL_POSITION");
c1 = rs.findColumn("IS_NULLABLE");
c1 = rs.findColumn("SCOPE_CATALOG");
c1 = rs.findColumn("SCOPE_SCHEMA");
c1 = rs.findColumn("SCOPE_TABLE");
c1 = rs.findColumn("SOURCE_DATA_TYPE");
c1 = rs.findColumn("IS_AUTOINCREMENT");
c1 = rs.findColumn("IS_GENERATEDCOLUMN");
int found = 0;
while (rs.next()) {
String value = rs.getString(colSchemaIndex);
Assert.assertTrue(value.equals(RocksetConnection.DEFAULT_SCHEMA));
value = rs.getString(colCatIndex);
Assert.assertTrue(value.equals(RocksetConnection.DEFAULT_CATALOG));
value = rs.getString(colNameIndex);
Assert.assertTrue(value.equals(collectionName));
found++;
}
Assert.assertEquals(found, numColumns);
} finally {
cleanup(colls, stmt, conn);
}
}
//
// Invoked by all unit tests at the end to cleanup its mess
//
private void cleanup(List<String> colls, Statement stmt, Connection conn) {
try {
if (colls != null) {
deleteCollections(colls);
}
} catch (Exception e) {
// nothing we can do
}
try {
if (stmt != null) {
stmt.close();
}
} catch (SQLException se2) {
// nothing we can do
}
try {
if (conn != null) {
conn.close();
}
} catch (SQLException se) {
se.printStackTrace();
}
}
//
// Generate a list of collection names
//
private List<String> generateCollectionNames(int num) {
List<String> names = new ArrayList<String>(num);
String prefix = "jdbctestcollection"
+ RandomStringUtils.randomAlphanumeric(5);
for (int i = 0; i < num; i++) {
names.add(prefix + i);
}
return names;
}
//
// Wait for all collections to be ready
//
private void waitCollections(List<String> names) throws Exception {
for (String name: names) {
String sql = "describe \"" + name + "\";";
while (true) {
try {
QueryRequestSql qs = new QueryRequestSql().query(sql);
testClient.query(new QueryRequest().sql(qs));
break;
} catch (Exception e) {
System.out.println(String.format("Waiting for collection %s to be describable",
name));
Thread.sleep(1000);
}
}
}
}
//
// Create the list of collections. Fail if any of the collection
// already exists
//
private void createCollections(List<String> names) throws Exception {
for (String name: names) {
CreateCollectionRequest request =
new CreateCollectionRequest().name(name);
CreateCollectionResponse response = testClient.createCollection(request);
Assert.assertEquals(response.getData().getName(), name);
Assert.assertEquals(response.getData().getStatus(), Resource.StatusEnum.CREATED);
}
}
//
// Delete all specified collections
//
private void deleteCollections(List<String> names) throws Exception {
for (String name: names) {
DeleteCollectionResponse deleteCollectionResponse
= testClient.deleteCollection(name);
Assert.assertEquals(deleteCollectionResponse.getData().getName(), name);
Assert.assertEquals(deleteCollectionResponse.getData().getStatus(),
Resource.StatusEnum.DELETED);
}
}
//
// Upload the specified file to the specified collection
//
void uploadFile(String collectionName, String path, String params) throws IOException {
final File file = new File(path);
final MediaType mt = MediaType.parse("text/json; charset=utf-8");
// create multipart request
MultipartBody.Builder multipartBuilder = new MultipartBody.Builder()
.setType(MultipartBody.FORM)
.addFormDataPart("file", file.getName(),
RequestBody.create(mt, file))
.addFormDataPart("size", String.valueOf(file.length()));
if (params != null) {
multipartBuilder.addFormDataPart("params", params);
}
RequestBody body = multipartBuilder.build();
// send the file upload request
String url = String.format(
"https://%s/v1/orgs/self/ws/commons/collections/%s/uploads",
property.getProperty("endpoint"), collectionName);
System.out.println("Uploading test file to " + url);
Request request = new Request.Builder()
.url(url)
.addHeader("Authorization", String.format("ApiKey %s", property.getProperty("apikey")))
.post(body)
.build();
Response response = null;
try {
response = client.newCall(request).execute();
assertEquals(response.code(), 200);
JsonNode jsonObject = mapper.readTree(response.body().string());
JsonNode jsonData = jsonObject.get("data");
assertEquals(jsonData.get("file_name").asText(), file.getName());
} finally {
if (response != null) {
response.close();
}
}
}
//
// Wait for the specified docs to appear in the collection
//
private void waitNumberDocs(String collectionName, int expectedDocs) throws Exception {
String sql = "select count(*) from \"" + collectionName + "\";";
int found = 0;
while (found < expectedDocs) {
try {
QueryRequestSql qs = new QueryRequestSql().query(sql);
QueryResponse resp = testClient.query(new QueryRequest().sql(qs));
RocksetResultSet res = new RocksetResultSet(resp, 10);
if (res.next()) {
found = res.getInt("?COUNT");
}
} catch (Exception e) {
System.out.println("Exception in query " + sql
+ "exception " + e.getMessage());
}
System.out.println(String.format("Collection %s found %d docs, waiting for %d",
collectionName, found, expectedDocs));
Thread.sleep(1000);
}
}
}