use of software.amazon.awssdk.services.redshiftdata.RedshiftDataClient in project aws-doc-sdk-examples by awsdocs.
the class RedshiftService method addRecord.
// Add a new record to the Amazon Redshift table.
public String addRecord(String author, String title, String body) {
try {
RedshiftDataClient redshiftDataClient = getClient();
UUID uuid = UUID.randomUUID();
String id = uuid.toString();
// Date conversion.
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm:ss");
LocalDateTime now = LocalDateTime.now();
String sDate1 = dtf.format(now);
Date date1 = new SimpleDateFormat("yyyy/MM/dd").parse(sDate1);
java.sql.Date sqlDate = new java.sql.Date(date1.getTime());
// Inject an item into the system.
String sqlStatement = "INSERT INTO blog (idblog, date, title, body, author) VALUES( '" + uuid + "' ,'" + sqlDate + "','" + title + "' , '" + body + "', '" + author + "');";
ExecuteStatementRequest statementRequest = ExecuteStatementRequest.builder().clusterIdentifier(clusterId).database(database).dbUser(dbUser).sql(sqlStatement).build();
redshiftDataClient.executeStatement(statementRequest);
return id;
} catch (RedshiftDataException | ParseException e) {
System.err.println(e.getMessage());
System.exit(1);
}
return null;
}
use of software.amazon.awssdk.services.redshiftdata.RedshiftDataClient in project aws-doc-sdk-examples by awsdocs.
the class RedshiftService method getClient.
private RedshiftDataClient getClient() {
Region region = Region.US_WEST_2;
RedshiftDataClient redshiftDataClient = RedshiftDataClient.builder().credentialsProvider(EnvironmentVariableCredentialsProvider.create()).region(region).build();
return redshiftDataClient;
}
use of software.amazon.awssdk.services.redshiftdata.RedshiftDataClient in project aws-doc-sdk-examples by awsdocs.
the class InsertData method main.
public static void main(String[] args) {
try {
String clusterId = "redshift-cluster-1";
String database = "dev";
String dbUser = "awsuser";
RedshiftDataClient redshiftDataClient = getClient();
UUID uuid = UUID.randomUUID();
String id = uuid.toString();
// Date conversion
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm:ss");
LocalDateTime now = LocalDateTime.now();
String sDate1 = dtf.format(now);
Date date1 = new SimpleDateFormat("yyyy/MM/dd").parse(sDate1);
java.sql.Date sqlDate = new java.sql.Date(date1.getTime());
String title = "Aug Weather";
String body = "Aug is suppose to be mild";
String author = "user";
// Inject an item into the system
String sqlStatement = "INSERT INTO blog (idblog, date, title, body, author) VALUES( '" + uuid + "' ,'" + sqlDate + "','" + title + "' , '" + body + "', '" + author + "');";
ExecuteStatementRequest statementRequest = ExecuteStatementRequest.builder().clusterIdentifier(clusterId).database(database).dbUser(dbUser).sql(sqlStatement).build();
ExecuteStatementResponse response = redshiftDataClient.executeStatement(statementRequest);
System.out.println("The id is " + response.id());
} catch (RedshiftDataException | ParseException e) {
System.err.println(e.getMessage());
System.exit(1);
}
}
use of software.amazon.awssdk.services.redshiftdata.RedshiftDataClient in project aws-doc-sdk-examples by awsdocs.
the class RetrieveData method main.
public static void main(String[] args) {
final String USAGE = "\n" + "Usage:\n" + " RetrieveData <database> <dbUser> <sqlStatement> <clusterId> \n\n" + "Where:\n" + " database - the name of the database (for example, dev) \n" + " dbUser - the master user name \n" + " sqlStatement - the sql statement to use (for example, select * from information_schema.tables;) \n" + " clusterId - the id of the Redshift cluster (for example, redshift-cluster) \n";
if (args.length != 4) {
System.out.println(USAGE);
System.exit(1);
}
String database = args[0];
String dbUser = args[1];
String sqlStatement = args[2];
String clusterId = args[3];
Region region = Region.US_WEST_2;
RedshiftDataClient redshiftDataClient = RedshiftDataClient.builder().region(region).build();
String id = performSQLStatement(redshiftDataClient, database, dbUser, sqlStatement, clusterId);
System.out.println("The identifier of the statement is " + id);
checkStatement(redshiftDataClient, id);
getResults(redshiftDataClient, id);
redshiftDataClient.close();
}
use of software.amazon.awssdk.services.redshiftdata.RedshiftDataClient in project aws-doc-sdk-examples by awsdocs.
the class RedshiftService method getPosts.
// Returns a collection that returns 5, 10, or all posts from the Redshift table.
public String getPosts(String lang, int num) {
try {
RedshiftDataClient redshiftDataClient = getClient();
String sqlStatement = "";
if (num == 5)
sqlStatement = "SELECT TOP 5 * FROM blog ORDER BY date DESC";
else if (num == 10)
sqlStatement = "SELECT TOP 10 * FROM blog ORDER BY date DESC";
else
sqlStatement = "SELECT * FROM blog ORDER BY date DESC";
ExecuteStatementRequest statementRequest = ExecuteStatementRequest.builder().clusterIdentifier(clusterId).database(database).dbUser(dbUser).sql(sqlStatement).build();
ExecuteStatementResponse response = redshiftDataClient.executeStatement(statementRequest);
String myId = response.id();
checkStatement(redshiftDataClient, myId);
List<Post> posts = getResults(redshiftDataClient, myId, lang);
return convertToString(toXml(posts));
} catch (RedshiftDataException e) {
System.err.println(e.getMessage());
System.exit(1);
}
return "";
}
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