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Adds example of how to escape punctuation when searching. (#2027)

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* Adds example of how to escape punctuation when searching.

* Optimized regex.
This commit is contained in:
Simon Prickett
2022-03-10 16:22:22 +00:00
committed by GitHub
parent c57da8b78b
commit bae54f19be
1 changed files with 77 additions and 23 deletions
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100
examples/search-json.js
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@ -21,6 +21,10 @@ async function searchJSON() {
'$.coins': {
type: SchemaFieldTypes.NUMERIC,
AS: 'coins'
},
'$.email': {
type: SchemaFieldTypes.TAG,
AS: 'email'
}
}, {
ON: 'JSON',
@ -41,12 +45,14 @@ async function searchJSON() {
client.json.set('noderedis:users:1', '$', {
name: 'Alice',
age: 32,
coins: 100
coins: 100,
email: 'alice@nonexist.com'
}),
client.json.set('noderedis:users:2', '$', {
name: 'Bob',
age: 23,
coins: 15
coins: 15,
email: 'bob@somewhere.gov'
})
]);
@ -54,37 +60,85 @@ async function searchJSON() {
console.log('Users under 30 years old:');
console.log(
// https://oss.redis.com/redisearch/Commands/#ftsearch
await client.ft.search('idx:users', '@age:[0 30]')
JSON.stringify(
await client.ft.search('idx:users', '@age:[0 30]'),
null,
2
)
);
// {
// total: 1,
// documents: [ { id: 'noderedis:users:2', value: [Object] } ]
// "total": 1,
// "documents": [
// {
// "id": "noderedis:users:2",
// "value": {
// "name": "Bob",
// "age": 23,
// "coins": 15,
// "email": "bob@somewhere.gov"
// }
// }
// ]
// }
// Find a user by email - note we need to escape . and @ characters
// in the email address. This applies for other punctuation too.
// https://oss.redis.com/redisearch/Tags/#including_punctuation_in_tags
console.log('Users with email "bob@somewhere.gov":');
const emailAddress = 'bob@somewhere.gov'.replace(/[.@]/g, '\\$&');
console.log(
JSON.stringify(
await client.ft.search('idx:users', `@email:{${emailAddress}}`),
null,
2
)
);
// {
// "total": 1,
// "documents": [
// {
// "id": "noderedis:users:2",
// "value": {
// "name": "Bob",
// "age": 23,
// "coins": 15,
// "email": "bob@somewhere.gov"
// }
// }
// ]
// }
// Some aggregrations, what's the average age and total number of coins...
// https://oss.redis.com/redisearch/Commands/#ftaggregate
console.log('Aggregation Demo:');
console.log(
await client.ft.aggregate('idx:users', '*', {
STEPS: [{
type: AggregateSteps.GROUPBY,
REDUCE: [{
type: AggregateGroupByReducers.AVG,
property: 'age',
AS: 'averageAge'
}, {
type: AggregateGroupByReducers.SUM,
property: 'coins',
AS: 'totalCoins'
JSON.stringify(
await client.ft.aggregate('idx:users', '*', {
STEPS: [{
type: AggregateSteps.GROUPBY,
REDUCE: [{
type: AggregateGroupByReducers.AVG,
property: 'age',
AS: 'averageAge'
}, {
type: AggregateGroupByReducers.SUM,
property: 'coins',
AS: 'totalCoins'
}]
}]
}]
})
}),
null,
2
)
);
// {
// total: 2,
// results: [{
// averageAge: '27.5',
// totalCoins: '115'
// }]
// "total": 1,
// "results": [
// {
// "averageAge": "27.5",
// "totalCoins": "115"
// }
// ]
// }
await client.quit();