private void RunQuery(AerospikeClient client, Arguments args, string indexName, string binName, string valuePrefix)
{
string filter = valuePrefix + 3;
console.Info("Query for: ns={0} set={1} index={2} bin={3} filter={4}",
args.ns, args.set, indexName, binName, filter);
Statement stmt = new Statement();
stmt.SetNamespace(args.ns);
stmt.SetSetName(args.set);
stmt.SetBinNames(binName);
stmt.SetFilter(Filter.Equal(binName, filter));
RecordSet rs = client.Query(null, stmt);
try
{
int count = 0;
while (rs.Next())
{
Key key = rs.Key;
Record record = rs.Record;
string result = (string)record.GetValue(binName);
if (result.Equals(filter))
{
console.Info("Record found: namespace={0} set={1} digest={2} bin={3} value={4}",
key.ns, key.setName, ByteUtil.BytesToHexString(key.digest), binName, result);
}
else
{
console.Error("Query mismatch: Expected {0}. Received {1}.", filter, result);
}
count++;
}
if (count == 0)
{
console.Error("Query failed. No records returned.");
}
}
finally
{
rs.Close();
}
}
private void RunQuery1(AerospikeClient client, Arguments args, string binName)
{
int begin = 10;
int end = 40;
console.Info("Query Predicate: (bin2 > 126 && bin2 <= 140) or (bin2 = 360)");
Statement stmt = new Statement();
stmt.SetNamespace(args.ns);
stmt.SetSetName(args.set);
// Filter applied on query itself. Filter can only reference an indexed bin.
stmt.SetFilter(Filter.Range(binName, begin, end));
// Predicates are applied on query results on server side.
// Predicates can reference any bin.
stmt.SetPredExp(
PredExp.IntegerBin("bin2"),
PredExp.IntegerValue(126),
PredExp.IntegerGreater(),
PredExp.IntegerBin("bin2"),
PredExp.IntegerValue(140),
PredExp.IntegerLessEq(),
PredExp.And(2),
PredExp.IntegerBin("bin2"),
PredExp.IntegerValue(360),
PredExp.IntegerEqual(),
PredExp.Or(2)
);
RecordSet rs = client.Query(null, stmt);
try
{
while (rs.Next())
{
Record record = rs.Record;
console.Info("Record: " + record.ToString());
}
}
finally
{
rs.Close();
}
}
private void RunQuery(AerospikeClient client, Arguments args, string binName, string binName2, IndexCollectionType indexType)
{
console.Info("Query for: ns={0} set={1} bin={2} {3} within <region>", args.ns, args.set, binName, indexType.ToString());
StringBuilder rgnsb = GenerateQueryRegion();
Statement stmt = new Statement();
stmt.SetNamespace(args.ns);
stmt.SetSetName(args.set);
stmt.SetFilters(Filter.GeoWithinRegion(binName, indexType, rgnsb.ToString()));
RecordSet rs = client.Query(null, stmt);
try
{
int count = 0;
HashSet <string> uniques = new HashSet <string>();
while (rs.Next())
{
Record record = rs.Record;
string val = record.GetString(binName2);
uniques.Add(val);
count++;
}
if (count != 697)
{
console.Error("Query failed. {0} records expected. {1} returned.", 697, count);
}
else if (uniques.Count != 21)
{
console.Error("Query failed. {0} unique records expected. {1} unique returned.", 21, uniques.Count);
}
else
{
console.Info("query succeeded with {0} records {1} unique", count, uniques.Count);
}
}
finally
{
rs.Close();
}
}
public Dictionary <string, InstanceInfo> GetInstanceList()
{
Dictionary <string, InstanceInfo> instancesInfo = new Dictionary <string, InstanceInfo>();
var statement = new Statement()
{
Namespace = _settings[Keystore.AerospikeKeys.InstanceStore.Namespace],
SetName = _settings[Keystore.AerospikeKeys.InstanceStore.Set]
};
using (AerospikeClient client = GetClient())
{
var records = client.Query(null, statement);
if (records == null)
{
return(instancesInfo);
}
try
{
while (records.Next())
{
Key key = records.Key;
Record record = records.Record;
var instanceInfo = new InstanceInfo()
{
RegionId = record.GetUInt(Keystore.AerospikeKeys.InstanceStore.RegionIdBin),
ZoneId = record.GetUInt(Keystore.AerospikeKeys.InstanceStore.ZoneIdBin),
InstanceId = record.GetUInt(Keystore.AerospikeKeys.InstanceStore.InstanceIdBin),
UpdateTimestamp = GetTimestamp(record.GetString(Keystore.AerospikeKeys.InstanceStore.TimestampBin))
};
instancesInfo[instanceInfo.GetUniqueId()] = instanceInfo;
}
}
finally
{
records.Close();
}
return(instancesInfo);
}
}
private void RunQuery(AerospikeClient client, Arguments args, string indexName, string binName)
{
int begin = 14;
int end = 18;
console.Info("Query for: ns={0} set={1} index={2} bin={3} >= {4} <= {5}",
args.ns, args.set, indexName, binName, begin, end);
Statement stmt = new Statement();
stmt.SetNamespace(args.ns);
stmt.SetSetName(args.set);
stmt.SetBinNames(binName);
stmt.SetFilters(Filter.Range(binName, begin, end));
RecordSet rs = client.Query(null, stmt);
try
{
int count = 0;
while (rs.Next())
{
Key key = rs.Key;
Record record = rs.Record;
long result = record.GetLong(binName);
console.Info("Record found: namespace={0} set={1} digest={2} bin={3} value={4}",
key.ns, key.setName, ByteUtil.BytesToHexString(key.digest), binName, result);
count++;
}
if (count != 5)
{
console.Error("Query count mismatch. Expected 5. Received " + count);
}
}
finally
{
rs.Close();
}
}
private void RunRadiusQuery(AerospikeClient client, Arguments args, string indexName, string binName)
{
double lon = -122.0;
double lat = 37.5;
double radius = 50000.0;
console.Info("QueryRadius long=" + lon + " lat= " + lat + " radius=" + radius);
Statement stmt = new Statement();
stmt.SetNamespace(args.ns);
stmt.SetSetName(args.set);
stmt.SetBinNames(binName);
stmt.SetFilter(Filter.GeoWithinRadius(binName, lon, lat, radius));
RecordSet rs = client.Query(null, stmt);
try
{
int count = 0;
while (rs.Next())
{
Key key = rs.Key;
Record record = rs.Record;
string result = record.GetGeoJSON(binName);
console.Info("Record found: " + result);
count++;
}
if (count != 4)
{
console.Error("Query count mismatch. Expected 4. Received " + count);
}
}
finally
{
rs.Close();
}
}
private void RunQuery1(AerospikeClient client, Arguments args, string binName)
{
int begin = 10;
int end = 40;
console.Info("Query Predicate: (bin2 > 126 && bin2 <= 140) || (bin2 = 360)");
Statement stmt = new Statement();
stmt.SetNamespace(args.ns);
stmt.SetSetName(args.set);
// Filter applied on query itself. Filter can only reference an indexed bin.
stmt.SetFilter(Filter.Range(binName, begin, end));
// Predicates are applied on query results on server side.
// Predicates can reference any bin.
QueryPolicy policy = new QueryPolicy(client.queryPolicyDefault);
policy.filterExp = Exp.Build(
Exp.Or(
Exp.And(
Exp.GT(Exp.IntBin("bin2"), Exp.Val(126)),
Exp.LE(Exp.IntBin("bin2"), Exp.Val(140))),
Exp.EQ(Exp.IntBin("bin2"), Exp.Val(360))));
RecordSet rs = client.Query(policy, stmt);
try
{
while (rs.Next())
{
Record record = rs.Record;
console.Info("Record: " + record.ToString());
}
}
finally
{
rs.Close();
}
}
private void RunQuery2(AerospikeClient client, Arguments args, string binName)
{
int begin = 10;
int end = 40;
console.Info("Query Predicate: Record updated on 2017-01-15");
DateTime beginTime = new DateTime(2017, 1, 15);
DateTime endTime = new DateTime(2017, 1, 16);
Statement stmt = new Statement();
stmt.SetNamespace(args.ns);
stmt.SetSetName(args.set);
stmt.SetFilter(Filter.Range(binName, begin, end));
stmt.SetPredExp(
PredExp.RecLastUpdate(),
PredExp.IntegerValue(beginTime),
PredExp.IntegerGreaterEq(),
PredExp.RecLastUpdate(),
PredExp.IntegerValue(endTime),
PredExp.IntegerLess(),
PredExp.And(2)
);
RecordSet rs = client.Query(null, stmt);
try
{
while (rs.Next())
{
Record record = rs.Record;
console.Info("Record: " + record.ToString());
}
}
finally
{
rs.Close();
}
}
private void RunQuery2(AerospikeClient client, Arguments args, string binName)
{
int begin = 10;
int end = 40;
console.Info("Query Predicate: Record updated in 2020");
DateTime beginTime = new DateTime(2020, 1, 1);
DateTime endTime = new DateTime(2021, 1, 1);
Statement stmt = new Statement();
stmt.SetNamespace(args.ns);
stmt.SetSetName(args.set);
stmt.SetFilter(Filter.Range(binName, begin, end));
QueryPolicy policy = new QueryPolicy(client.queryPolicyDefault);
policy.filterExp = Exp.Build(
Exp.And(
Exp.GE(Exp.LastUpdate(), Exp.Val(beginTime)),
Exp.LT(Exp.LastUpdate(), Exp.Val(endTime))));
RecordSet rs = client.Query(policy, stmt);
try
{
while (rs.Next())
{
Record record = rs.Record;
console.Info("Record: " + record.ToString());
}
}
finally
{
rs.Close();
}
}
private void RunQuery(AerospikeClient client, Arguments args, string indexName, string binName)
{
console.Info("Query list bins");
Statement stmt = new Statement();
stmt.SetNamespace(args.ns);
stmt.SetSetName(args.set);
stmt.SetBinNames(binName);
stmt.SetFilter(Filter.Contains(binName, IndexCollectionType.LIST, "905"));
RecordSet rs = client.Query(null, stmt);
try
{
int count = 0;
while (rs.Next())
{
count++;
Key key = rs.Key;
Record record = rs.Record;
IList list = record.GetList(binName);
console.Info("Record " + count);
foreach (string s in list)
{
console.Info(s);
}
}
}
finally
{
rs.Close();
}
}
private void ValidateRecords(AerospikeClient client, Arguments args, string indexName, string binName1, string binName2, int size)
{
int begin = 1;
int end = size + 100;
console.Info("Validate records");
Statement stmt = new Statement();
stmt.SetNamespace(args.ns);
stmt.SetSetName(args.set);
stmt.SetFilters(Filter.Range(binName1, begin, end));
RecordSet rs = client.Query(null, stmt);
try
{
int[] expectedList = new int[] { 1, 2, 3, 104, 5, 106, 7, 108, -1, 10 };
int expectedSize = size - 1;
int count = 0;
while (rs.Next())
{
Key key = rs.Key;
Record record = rs.Record;
object value1 = null;
object value2 = null;
record.bins.TryGetValue(binName1, out value1);
record.bins.TryGetValue(binName2, out value2);
console.Info("Record found: ns={0} set={1} bin1={2} value1={3} bin2={4} value2={5}",
key.ns, key.setName, binName1, value1, binName2, value2);
if (value1 == null)
{
console.Error("Data mismatch. value1 is null");
break;
}
long val1 = (long)value1;
if (val1 == 9)
{
console.Error("Data mismatch. value1 " + val1 + " should not exist");
break;
}
if (val1 == 5)
{
if (value2 != null)
{
console.Error("Data mismatch. value2 " + value2 + " should be null");
break;
}
}
else
{
long val2 = (long)value2;
if (val1 != expectedList[val2 - 1])
{
console.Error("Data mismatch. Expected " + expectedList[val2 - 1] + ". Received " + value1);
break;
}
}
count++;
}
if (count != expectedSize)
{
console.Error("Query count mismatch. Expected " + expectedSize + ". Received " + count);
}
}
finally
{
rs.Close();
}
}
/// <summary>
/// Example functions not in use
/// </summary>
private void deleteTweets()
{
RecordSet rs = null;
try
{
// Get username
string username;
Console.WriteLine("\nEnter username:"******"test", "users", username);
Record userRecord = client.Get(null, userKey);
if (userRecord != null)
{
WritePolicy wPolicy = new WritePolicy();
wPolicy.recordExistsAction = RecordExistsAction.UPDATE;
string[] bins = { "tweet" };
Statement stmt = new Statement();
stmt.SetNamespace("test");
stmt.SetSetName("tweets");
stmt.SetIndexName("username_index");
stmt.SetBinNames(bins);
stmt.SetFilters(Filter.Equal("username", username));
Console.WriteLine("\nDeleting " + username + "'s tweet(s):\n");
rs = client.Query(null, stmt);
while (rs.Next())
{
Record r = rs.Record;
Console.WriteLine(r.GetValue("tweet"));
client.Delete(null, rs.Key);
}
//Update tweetcount and timestamp to reflect this
client.Operate(wPolicy, userKey, Operation.Put(new Bin("tweetcount", 0)), Operation.Put(new Bin("lasttweeted", 0)));
rs.Close();
}
else
{
Console.WriteLine("ERROR: User record not found!");
}
}
else
{
Console.WriteLine("ERROR: User record not found!");
}
}
finally
{
if (rs != null)
{
// Close record set
rs.Close();
}
}
}
} //updatePasswordUsingUDF
public void aggregateUsersByTweetCountByRegion()
{
RecordSet rs = null;
//ResultSet asd
try
{
int min;
int max;
Console.WriteLine("\nEnter Min Tweet Count:");
min = int.Parse(Console.ReadLine());
Console.WriteLine("Enter Max Tweet Count:");
max = int.Parse(Console.ReadLine());
Console.WriteLine("\nAggregating users with " + min + "-" + max + " tweets by region. Hang on...\n");
//string luaDirectory = @"..\..\udf";
//LuaConfig.PackagePath = luaDirectory + @"\?.lua";
//string filename = "aggregationByRegion.lua";
//string path = Path.Combine(luaDirectory, filename);
//RegisterTask rt = client.Register(null, path, filename, Language.LUA);
//rt.Wait();
Assembly assembly = Assembly.GetExecutingAssembly();
Policy policy = new Policy();
policy.SetTimeout(100);
RegisterTask rtask = client.Register(policy, "aggregationByRegion.lua", "aggregationByRegion.lua", Language.LUA);
rtask.Wait();
string[] bins = { "tweetcount", "region" };
Statement stmt = new Statement();
stmt.SetNamespace("test");
stmt.SetSetName("users");
stmt.SetIndexName("tweetcount_index");
stmt.SetBinNames(bins);
stmt.SetFilter(Filter.Range("tweetcount", min, max));
stmt.SetAggregateFunction("aggregationByRegion", "sum");
//QueryAggregateExecutor queryAggregateExecutor = new QueryAggregateExecutor(null, null, stmt);
//rs = queryAggregateExecutor.ResultSet;
rs = client.Query(null, stmt);
//rs = client.QueryAggregate(null, stmt, "aggregationByRegion", "sum");
if (rs.Next())
{
//Dictionary<object, object> result = (Dictionary<object, object>)rs.Record.;
//Console.WriteLine("Total Users in North: " + result["n"]);
//Console.WriteLine("Total Users in South: " + result["s"]);
//Console.WriteLine("Total Users in East: " + result["e"]);
//Console.WriteLine("Total Users in West: " + result["w"]);
}
}
finally
{
if (rs != null)
{
// Close record set
rs.Close();
}
}
} //aggregateUsersByTweetCountByRegion
} //scanTweetsCallback
public void queryTweetsByUsername()
{
Console.WriteLine("\n********** Query Tweets By Username **********\n");
// TODO: Create STRING index on username in tweets set
// Exercise Q1
// NOTE: Index creation has been included in here for convenience and to demonstrate the syntax
// The recommended way of creating indexes in production env is via AQL
// or create once using a standalone application.
//IndexTask task = client.CreateIndex(null, "test", "tweets", "username_index", "username", IndexType.STRING);
//task.Wait();
RecordSet rs = null;
try
{
// Get username
string username;
Console.WriteLine("\nEnter username:"******"tweet" };
// TODO: Create Statement instance
// Exercise Q3
Statement stmt = new Statement();
// TODO: Set namespace on the instance of the Statement
// Exercise Q3
stmt.SetNamespace("test");
// TODO: Set the name of the set on the instance of the Statement
// Exercise Q3
stmt.SetSetName("tweets");
// TODO: Set the name of index on the instance of the Statement
// Exercise Q3
stmt.SetIndexName("username_index");
// TODO: Set the list of bins to retrieve on the instance of the Statement
// Exercise Q3
stmt.SetBinNames(bins);
// TODO: Set the equality Filter on username on the instance of the Statement
// Exercise Q3
stmt.SetFilters(Filter.Equal("username", username));
Console.WriteLine("\nHere's " + username + "'s tweet(s):\n");
// TODO: Execute the Query passing null policy and Statement instance
// Exercise Q3
rs = client.Query(null, stmt);
while (rs.Next())
{
// TODO: Iterate through returned RecordSet and output tweets to the console.
// Exercise Q3
Record r = rs.Record;
Console.WriteLine(r.GetValue("tweet"));
}
}
else
{
Console.WriteLine("ERROR: User record not found!");
}
}
finally
{
// TODO: Close the RecordSet
// Exercise Q3
if (rs != null)
{
// Close record set
rs.Close();
}
}
} //queryTweetsByUsername