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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.mapr.drill.maprdb.tests.index;
import static com.mapr.drill.maprdb.tests.MaprDBTestsSuite.INDEX_FLUSH_TIMEOUT;
import java.io.InputStream;
import java.io.StringBufferInputStream;
import org.apache.hadoop.fs.Path;
import org.ojai.DocumentStream;
import org.ojai.json.Json;
import com.mapr.db.Admin;
import com.mapr.db.Table;
import com.mapr.db.TableDescriptor;
import com.mapr.db.impl.MapRDBImpl;
import com.mapr.db.impl.TableDescriptorImpl;
import com.mapr.db.tests.utils.DBTests;
import com.mapr.fs.utils.ssh.TestCluster;
/**
* This class is to generate a MapR json table of this schema:
* {
* "address" : {
* "city":"wtj",
* "state":"ho"
* }
* "contact" : {
* "email":"VcFahjRfM@gmail.com",
* "phone":"6500005583"
* }
* "id" : {
* "ssn":"100005461"
* }
* "name" : {
* "fname":"VcFahj",
* "lname":"RfM"
* }
* }
*
*/
public class LargeTableGen extends LargeTableGenBase {
static final int SPLIT_SIZE = 5000;
private Admin admin;
public LargeTableGen(Admin dbadmin) {
admin = dbadmin;
}
Table createOrGetTable(String tableName, int recordNum) {
if (admin.tableExists(tableName)) {
return MapRDBImpl.getTable(tableName);
//admin.deleteTable(tableName);
}
else {
TableDescriptor desc = new TableDescriptorImpl(new Path(tableName));
int splits = (recordNum / SPLIT_SIZE) - (((recordNum % SPLIT_SIZE) > 1)? 0 : 1);
String[] splitsStr = new String[splits];
StringBuilder strBuilder = new StringBuilder("Splits:");
for(int i=0; i<splits; ++i) {
splitsStr[i] = String.format("%d", (i+1)*SPLIT_SIZE);
strBuilder.append(splitsStr[i] + ", ");
}
System.out.print(strBuilder.toString());
return admin.createTable(desc, splitsStr);
}
}
private void createIndex(Table table, String[] indexDef) throws Exception {
if(indexDef == null) {
//don't create index here. indexes may have been created
return;
}
for(int i=0; i<indexDef.length / 3; ++i) {
String indexCmd = String.format("maprcli table index add"
+ " -path " + table.getPath()
+ " -index %s"
+ " -indexedfields '%s'"
+ ((indexDef[3 * i + 2].length()==0)?"":" -includedfields '%s'")
+ ((indexDef[3 * i].startsWith("hash"))? " -hashed true" : ""),
indexDefInCommand(indexDef[3 * i]), //index name
indexDefInCommand(indexDef[3 * i + 1]), //indexedfields
indexDefInCommand(indexDef[3 * i + 2])); //includedfields
System.out.println(indexCmd);
TestCluster.runCommand(indexCmd);
DBTests.admin().getTableIndexes(table.getPath(), true);
}
}
private String indexDefInCommand(String def) {
String[] splitted = def.split(",");
StringBuffer ret = new StringBuffer();
for(String field: splitted) {
if(ret.length() == 0) {
ret.append(field);
}
else {
ret.append(",").append(field);
}
}
return ret.toString();
}
public void generateTableWithIndex(String tablePath, int recordNumber, String[] indexDef) throws Exception {
// create index
initRandVector(recordNumber);
initDictionary();
DBTests.setTableStatsSendInterval(1);
if (admin.tableExists(tablePath)) {
//admin.deleteTable(tablePath);
}
//create Json String
int batch, i;
int BATCH_SIZE=2000;
try (Table table = createOrGetTable(tablePath, recordNumber)) {
//create index
createIndex(table, indexDef);
for (batch = 0; batch < recordNumber; batch += BATCH_SIZE) {
int batchStop = Math.min(recordNumber, batch + BATCH_SIZE);
StringBuffer strBuf = new StringBuffer();
for (i = batch; i < batchStop; ++i) {
strBuf.append(String.format("{\"rowid\": \"%d\", \"reverseid\": \"%d\", \"id\": {\"ssn\": \"%s\"}, \"contact\": {\"phone\": \"%s\", \"email\": \"%s\"}," +
"\"address\": {\"city\": \"%s\", \"state\": \"%s\"}, \"name\": { \"fname\": \"%s\", \"lname\": \"%s\" }," +
"\"personal\": {\"age\" : %s, \"income\": %s, \"birthdate\": {\"$dateDay\": \"%s\"} }," +
"\"activity\": {\"irs\" : { \"firstlogin\": \"%s\" } }," +
"\"driverlicense\":{\"$numberLong\": %s} } \n",
i + 1, recordNumber - i , getSSN(i), getPhone(i), getEmail(i),
getAddress(i)[2], getAddress(i)[1], getFirstName(i), getLastName(i),
getAge(i), getIncome(i), getBirthdate(i),
getFirstLogin(i),
getSSN(i)));
}
try (InputStream in = new StringBufferInputStream(strBuf.toString());
DocumentStream stream = Json.newDocumentStream(in)) {
//write by individual document
//for (Document document : stream) {
// table.insert(document, "rowid");
//}
try {
table.insert(stream, "rowid"); //insert a batch of document in stream
}catch(Exception e) {
System.out.println(stream.toString());
throw e;
}
}
}
table.flush();
DBTests.waitForIndexFlush(table.getPath(), INDEX_FLUSH_TIMEOUT);
Thread.sleep(200000);
}
}
}
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