QueryEmExample.java
// EXAMPLE: query_em
// REMOVE_START
package io.redis.examples;
import org.junit.jupiter.api.Test;
// REMOVE_END
// HIDE_START
import java.util.List;
import redis.clients.jedis.UnifiedJedis;
import redis.clients.jedis.json.Path2;
import redis.clients.jedis.search.*;
import redis.clients.jedis.search.schemafields.*;
import redis.clients.jedis.exceptions.JedisDataException;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class QueryEmExample {
@Test
public void run() {
UnifiedJedis jedis = new UnifiedJedis("redis://localhost:6379");
//REMOVE_START
// Clear any keys here before using them in tests.
try {jedis.ftDropIndex("idx:bicycle");} catch (JedisDataException j){}
try {jedis.ftDropIndex("idx:email");} catch (JedisDataException j){}
//REMOVE_END
SchemaField[] schema = {
TextField.of("$.brand").as("brand"),
TextField.of("$.model").as("model"),
TextField.of("$.description").as("description"),
NumericField.of("$.price").as("price"),
TagField.of("$.condition").as("condition")
};
jedis.ftCreate("idx:bicycle",
FTCreateParams.createParams()
.on(IndexDataType.JSON)
.addPrefix("bicycle:"),
schema
);
String[] bicycleJsons = new String[] {
" {"
+ " \"pickup_zone\": \"POLYGON((-74.0610 40.7578, -73.9510 40.7578, -73.9510 40.6678, "
+ "-74.0610 40.6678, -74.0610 40.7578))\","
+ " \"store_location\": \"-74.0060,40.7128\","
+ " \"brand\": \"Velorim\","
+ " \"model\": \"Jigger\","
+ " \"price\": 270,"
+ " \"description\": \"Small and powerful, the Jigger is the best ride for the smallest of tikes! "
+ "This is the tiniest kids��� pedal bike on the market available without a coaster brake, the Jigger "
+ "is the vehicle of choice for the rare tenacious little rider raring to go.\","
+ " \"condition\": \"new\""
+ " }",
" {"
+ " \"pickup_zone\": \"POLYGON((-118.2887 34.0972, -118.1987 34.0972, -118.1987 33.9872, "
+ "-118.2887 33.9872, -118.2887 34.0972))\","
+ " \"store_location\": \"-118.2437,34.0522\","
+ " \"brand\": \"Bicyk\","
+ " \"model\": \"Hillcraft\","
+ " \"price\": 1200,"
+ " \"description\": \"Kids want to ride with as little weight as possible. Especially "
+ "on an incline! They may be at the age when a 27.5'' wheel bike is just too clumsy coming "
+ "off a 24'' bike. The Hillcraft 26 is just the solution they need!\","
+ " \"condition\": \"used\""
+ " }",
" {"
+ " \"pickup_zone\": \"POLYGON((-87.6848 41.9331, -87.5748 41.9331, -87.5748 41.8231, "
+ "-87.6848 41.8231, -87.6848 41.9331))\","
+ " \"store_location\": \"-87.6298,41.8781\","
+ " \"brand\": \"Nord\","
+ " \"model\": \"Chook air 5\","
+ " \"price\": 815,"
+ " \"description\": \"The Chook Air 5 gives kids aged six years and older a durable "
+ "and uberlight mountain bike for their first experience on tracks and easy cruising through "
+ "forests and fields. The lower top tube makes it easy to mount and dismount in any "
+ "situation, giving your kids greater safety on the trails.\","
+ " \"condition\": \"used\""
+ " }",
" {"
+ " \"pickup_zone\": \"POLYGON((-80.2433 25.8067, -80.1333 25.8067, -80.1333 25.6967, "
+ "-80.2433 25.6967, -80.2433 25.8067))\","
+ " \"store_location\": \"-80.1918,25.7617\","
+ " \"brand\": \"Eva\","
+ " \"model\": \"Eva 291\","
+ " \"price\": 3400,"
+ " \"description\": \"The sister company to Nord, Eva launched in 2005 as the first "
+ "and only women-dedicated bicycle brand. Designed by women for women, allEva bikes "
+ "are optimized for the feminine physique using analytics from a body metrics database. "
+ "If you like 29ers, try the Eva 291. It���s a brand new bike for 2022.. This "
+ "full-suspension, cross-country ride has been designed for velocity. The 291 has "
+ "100mm of front and rear travel, a superlight aluminum frame and fast-rolling "
+ "29-inch wheels. Yippee!\","
+ " \"condition\": \"used\""
+ " }",
" {"
+ " \"pickup_zone\": \"POLYGON((-122.4644 37.8199, -122.3544 37.8199, -122.3544 37.7099, "
+ "-122.4644 37.7099, -122.4644 37.8199))\","
+ " \"store_location\": \"-122.4194,37.7749\","
+ " \"brand\": \"Noka Bikes\","
+ " \"model\": \"Kahuna\","
+ " \"price\": 3200,"
+ " \"description\": \"Whether you want to try your hand at XC racing or are looking "
+ "for a lively trail bike that's just as inspiring on the climbs as it is over rougher "
+ "ground, the Wilder is one heck of a bike built specifically for short women. Both the "
+ "frames and components have been tweaked to include a women���s saddle, different bars "
+ "and unique colourway.\","
+ " \"condition\": \"used\""
+ " }",
" {"
+ " \"pickup_zone\": \"POLYGON((-0.1778 51.5524, 0.0822 51.5524, 0.0822 51.4024, "
+ "-0.1778 51.4024, -0.1778 51.5524))\","
+ " \"store_location\": \"-0.1278,51.5074\","
+ " \"brand\": \"Breakout\","
+ " \"model\": \"XBN 2.1 Alloy\","
+ " \"price\": 810,"
+ " \"description\": \"The XBN 2.1 Alloy is our entry-level road bike ��� but that���s "
+ "not to say that it���s a basic machine. With an internal weld aluminium frame, a full "
+ "carbon fork, and the slick-shifting Claris gears from Shimano���s, this is a bike which "
+ "doesn���t break the bank and delivers craved performance.\","
+ " \"condition\": \"new\""
+ " }",
" {"
+ " \"pickup_zone\": \"POLYGON((2.1767 48.9016, 2.5267 48.9016, 2.5267 48.5516, "
+ "2.1767 48.5516, 2.1767 48.9016))\","
+ " \"store_location\": \"2.3522,48.8566\","
+ " \"brand\": \"ScramBikes\","
+ " \"model\": \"WattBike\","
+ " \"price\": 2300,"
+ " \"description\": \"The WattBike is the best e-bike for people who still "
+ "feel young at heart. It has a Bafang 1000W mid-drive system and a 48V 17.5AH "
+ "Samsung Lithium-Ion battery, allowing you to ride for more than 60 miles on one "
+ "charge. It���s great for tackling hilly terrain or if you just fancy a more "
+ "leisurely ride. With three working modes, you can choose between E-bike, "
+ "assisted bicycle, and normal bike modes.\","
+ " \"condition\": \"new\""
+ " }",
" {"
+ " \"pickup_zone\": \"POLYGON((13.3260 52.5700, 13.6550 52.5700, 13.6550 52.2700, "
+ "13.3260 52.2700, 13.3260 52.5700))\","
+ " \"store_location\": \"13.4050,52.5200\","
+ " \"brand\": \"Peaknetic\","
+ " \"model\": \"Secto\","
+ " \"price\": 430,"
+ " \"description\": \"If you struggle with stiff fingers or a kinked neck or "
+ "back after a few minutes on the road, this lightweight, aluminum bike alleviates "
+ "those issues and allows you to enjoy the ride. From the ergonomic grips to the "
+ "lumbar-supporting seat position, the Roll Low-Entry offers incredible comfort. "
+ "The rear-inclined seat tube facilitates stability by allowing you to put a foot "
+ "on the ground to balance at a stop, and the low step-over frame makes it "
+ "accessible for all ability and mobility levels. The saddle is very soft, with "
+ "a wide back to support your hip joints and a cutout in the center to redistribute "
+ "that pressure. Rim brakes deliver satisfactory braking control, and the wide tires "
+ "provide a smooth, stable ride on paved roads and gravel. Rack and fender mounts "
+ "facilitate setting up the Roll Low-Entry as your preferred commuter, and the "
+ "BMX-like handlebar offers space for mounting a flashlight, bell, or phone holder.\","
+ " \"condition\": \"new\""
+ " }",
" {"
+ " \"pickup_zone\": \"POLYGON((1.9450 41.4301, 2.4018 41.4301, 2.4018 41.1987, "
+ "1.9450 41.1987, 1.9450 41.4301))\","
+ " \"store_location\": \"2.1734, 41.3851\","
+ " \"brand\": \"nHill\","
+ " \"model\": \"Summit\","
+ " \"price\": 1200,"
+ " \"description\": \"This budget mountain bike from nHill performs well both "
+ "on bike paths and on the trail. The fork with 100mm of travel absorbs rough "
+ "terrain. Fat Kenda Booster tires give you grip in corners and on wet trails. "
+ "The Shimano Tourney drivetrain offered enough gears for finding a comfortable "
+ "pace to ride uphill, and the Tektro hydraulic disc brakes break smoothly. "
+ "Whether you want an affordable bike that you can take to work, but also take "
+ "trail in mountains on the weekends or you���re just after a stable, comfortable "
+ "ride for the bike path, the Summit gives a good value for money.\","
+ " \"condition\": \"new\""
+ " }",
" {"
+ " \"pickup_zone\": \"POLYGON((12.4464 42.1028, 12.5464 42.1028, "
+ "12.5464 41.7028, 12.4464 41.7028, 12.4464 42.1028))\","
+ " \"store_location\": \"12.4964,41.9028\","
+ " \"model\": \"ThrillCycle\","
+ " \"brand\": \"BikeShind\","
+ " \"price\": 815,"
+ " \"description\": \"An artsy, retro-inspired bicycle that���s as "
+ "functional as it is pretty: The ThrillCycle steel frame offers a smooth ride. "
+ "A 9-speed drivetrain has enough gears for coasting in the city, but we wouldn���t "
+ "suggest taking it to the mountains. Fenders protect you from mud, and a rear "
+ "basket lets you transport groceries, flowers and books. The ThrillCycle comes "
+ "with a limited lifetime warranty, so this little guy will last you long "
+ "past graduation.\","
+ " \"condition\": \"refurbished\""
+ " }"
};
for (int i = 0; i < bicycleJsons.length; i++) {
jedis.jsonSet("bicycle:" + i, Path2.ROOT_PATH, bicycleJsons[i]);
}
// HIDE_END
// STEP_START em1
SearchResult res1 = jedis.ftSearch("idx:bicycle", "@price:[270 270]");
System.out.println(res1.getTotalResults()); // >>> 1
List<Document> docs1 = res1.getDocuments();
for (int i = 0; i < docs1.size(); i++) {
System.out.println(docs1.get(i).getId());
}
// >>> bicycle:0
SearchResult res2 = jedis.ftSearch("idx:bicycle",
"*",
FTSearchParams.searchParams()
.filter("price", 270, 270)
);
System.out.println(res2.getTotalResults()); // >>> 1
List<Document> docs2 = res2.getDocuments();
for (int i = 0; i < docs2.size(); i++) {
System.out.println(docs2.get(i).getId());
}
// >>> bicycle:0
// STEP_END
// Tests for 'em1' step.
// REMOVE_START
assertEquals(1, res1.getTotalResults());
assertEquals("bicycle:0", docs1.get(0).getId());
assertEquals(1, res2.getTotalResults());
assertEquals("bicycle:0", docs2.get(0).getId());
// REMOVE_END
// STEP_START em2
SearchResult res3 = jedis.ftSearch("idx:bicycle", "@condition:{new}");
System.out.println(res3.getTotalResults()); // >>> 5
List<Document> docs3 = res3.getDocuments();
for (int i = 0; i < docs3.size(); i++) {
System.out.println(docs3.get(i).getId());
}
// >>> bicycle:5
// >>> bicycle:0
// >>> bicycle:6
// >>> bicycle:7
// >>> bicycle:8
// STEP_END
// Tests for 'em2' step.
// REMOVE_START
assertEquals(5, res3.getTotalResults());
assertArrayEquals(
new String[] {"bicycle:0", "bicycle:5", "bicycle:6", "bicycle:7", "bicycle:8" },
docs3.stream().map(Document::getId).sorted().toArray()
);
// REMOVE_END
// STEP_START em3
SchemaField[] emailSchema = {
TextField.of("$.email").as("email")
};
jedis.ftCreate("idx:email",
new FTCreateParams()
.addPrefix("key:")
.on(IndexDataType.JSON),
emailSchema
);
jedis.jsonSet("key:1", Path2.ROOT_PATH, "{\"email\": \"test@redis.com\"}");
SearchResult res4 = jedis.ftSearch("idx:email",
RediSearchUtil.escapeQuery("@email{test@redis.com}"),
new FTSearchParams().dialect(2)
);
System.out.println(res4.getTotalResults());
// STEP_END
// Tests for 'em3' step.
// REMOVE_START
jedis.ftDropIndex("idx:email");
// REMOVE_END
// STEP_START em4
SearchResult res5 = jedis.ftSearch("idx:bicycle",
"@description:\"rough terrain\""
);
System.out.println(res5.getTotalResults()); // >>> 1
List<Document> docs5 = res5.getDocuments();
for (int i = 0; i < docs5.size(); i++) {
System.out.println(docs5.get(i).getId());
}
// >>> bicycle:8
// STEP_END
// Tests for 'em4' step.
// REMOVE_START
assertEquals(1, res5.getTotalResults());
assertEquals("bicycle:8", docs5.get(0).getId());
// REMOVE_END
// HIDE_START
jedis.close();
}
}
// HIDE_END