DOC-4195: add TCEs to the range query page

doctests/query-range.js

@@ -0,0 +1,98 @@
+// EXAMPLE: query_range
+// HIDE_START
+import assert from 'node:assert';
+import fs from 'node:fs';
+import { createClient, SchemaFieldTypes, AggregateGroupByReducers, AggregateSteps} from 'redis';
+
+const client = createClient();
+
+await client.connect().catch(console.error);
+
+// create index
+await client.ft.create('idx:bicycle', {
+  '$.description': {
+    type: SchemaFieldTypes.TEXT,
+    AS: 'description'
+  },
+  '$.price': {
+    type: SchemaFieldTypes.NUMERIC,
+    AS: 'price'
+  },
+  '$.condition': {
+    type: SchemaFieldTypes.TAG,
+    AS: 'condition'
+  }
+}, {
+    ON: 'JSON',
+    PREFIX: 'bicycle:'
+})
+
+// load data
+const bicycles = JSON.parse(fs.readFileSync('data/query_em.json', 'utf8'));
+
+await Promise.all(
+  bicycles.map((bicycle, bid) => {
+      return client.json.set(`bicycle:${bid}`, '$', bicycle);
+  })
+);
+// HIDE_END
+
+// STEP_START range1
+const res1 = await client.ft.search('idx:bicycle', '@price:[500 1000]');
+console.log(res1.total); // >>> 3
+// REMOVE_START
+assert.strictEqual(res1.total, 3);
+// REMOVE_END
+// STEP_END
+
+// STEP_START range2
+// FILTER is not supported
+// const res2 = await client.ft.search('idx:bicycle', '*', {
+//   FILTER: {
+//     field: 'price',
+//     min: 500,
+//     max: 1000,
+//   }
+// });
+// console.log(res2.total); // >>> 3
+// REMOVE_START
+// assert.strictEqual(res2.total, 3);
+// REMOVE_END
+// STEP_END
+
+// STEP_START range3
+// FILTER is not supported
+// const res3 = await client.ft.search('idx:bicycle', '*', {
+//   FILTER: {
+//     field: 'price',
+//     min: '(1000',
+//     max: '+inf,
+//   }
+// });
+// console.log(res3.total); // >>> 5
+// REMOVE_START
+// assert.strictEqual(res3.total, 5);
+// REMOVE_END
+// STEP_END
+
+// STEP_START range4
+const res4 = await client.ft.search(
+  'idx:bicycle',
+  '@price:[-inf 2000]',
+  {
+    SORTBY: 'price',
+    LIMIT: { from: 0, size: 5 }
+  }
+);
+console.log(res4.total); // >>> 7
+console.log(res4); // >>> { total: 7, documents: [ { id: 'bicycle:0', value: [Object: null prototype] }, { id: 'bicycle:7', value: [Object: null prototype] }, { id: 'bicycle:5', value: [Object: null prototype] }, { id: 'bicycle:2', value: [Object: null prototype] }, { id: 'bicycle:9', value: [Object: null prototype] } ] }
+// REMOVE_START
+assert.strictEqual(res4.total, 7);
+// REMOVE_END
+// STEP_END
+
+// REMOVE_START
+// destroy index and data
+await client.ft.dropIndex('idx:bicycle', { DD: true });
+await client.disconnect();
+// REMOVE_END