Pagination (from/size) in Elasticsearch - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set the starting point for pagination in Elasticsearch.

Elasticsearch

{
  "from": [1],
  "size": 10
}

Drag options to blanks, or click blank then click option'

A0

B10

C5

D20

Attempts:

3 left

💡 Hint

Common Mistakes

Using 1 instead of 0 for the first result index.

Confusing from with size.

The from parameter sets the starting index for the search results. To start from the first result, use 0.

2fill in blank

medium

Complete the code to set the number of results per page in Elasticsearch.

Elasticsearch

{
  "from": 0,
  "size": [1]
}

Drag options to blanks, or click blank then click option'

A20

B10

C15

D5

Attempts:

3 left

💡 Hint

Common Mistakes

Setting size to 0 or a negative number.

Confusing size with from.

The size parameter controls how many results are returned per page. Here, it is set to 10.

3fill in blank

hard

Fix the error in the pagination code to correctly get the second page with 10 results per page.

Elasticsearch

{
  "from": [1],
  "size": 10
}

Drag options to blanks, or click blank then click option'

A10

B20

C1

D0

Attempts:

3 left

💡 Hint

Common Mistakes

Using 1 instead of 10 for the second page.

Setting from to 0 for the second page.

To get the second page with 10 results per page, from should be 10 (skip the first 10 results).

4fill in blank

hard

Fill both blanks to get the third page with 15 results per page.

Elasticsearch

{
  "from": [1],
  "size": [2]
}

Drag options to blanks, or click blank then click option'

A30

B15

C10

D20

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up from and size values.

Using incorrect multiplication for from.

For the third page with 15 results per page, from is (3 - 1) * 15 = 30, and size is 15.

5fill in blank

hard

Fill all three blanks to get the fourth page with 20 results per page and start from the correct offset.

Elasticsearch

{
  "from": [1],
  "size": [2],
  "query": {
    "match_all": [3]
  }
}

Drag options to blanks, or click blank then click option'

A60

B20

C{}

D40

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong from value for the page.

Setting match_all to null or missing braces.

For the fourth page with 20 results per page, from is (4 - 1) * 20 = 60, size is 20, and match_all requires an empty object {}.