Elasticsearch: Difference between revisions
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== Create the index or table == | == Create the index or table == | ||
Elasticsearch | Elasticsearch<ref>[https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-create-index.html#mappings Create index API | Elasticsearch Guide [8.15] | Elastic]</ref><ref>[https://opster.com/guides/elasticsearch/search-apis/elasticsearch-strings-keyword-vs-text-vs-wildcard/ Elasticsearch Keyword VS. Text - Strings Types Explained]</ref><ref>[https://www.elastic.co/guide/en/elasticsearch/reference/current/mapping-types.html Field data types | Elasticsearch Guide [8.15] | Elastic]</ref> | ||
<pre> | <pre> | ||
PUT /MY_INXEX | PUT /MY_INXEX | ||
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</pre> | </pre> | ||
MySQL [https://dev.mysql.com/doc/refman/8.4/en/create-table.html MySQL :: MySQL 8.4 Reference Manual :: 15.1.20 CREATE TABLE Statement] | MySQL<ref>[https://dev.mysql.com/doc/refman/8.4/en/create-table.html MySQL :: MySQL 8.4 Reference Manual :: 15.1.20 CREATE TABLE Statement]</ref> | ||
<pre> | <pre> | ||
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field1 TEXT | field1 TEXT | ||
) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; | ) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; | ||
</pre> | |||
== Select the data from index or table == | |||
Elasticsearch<ref>[https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-get-index.html Get index API | Elasticsearch Guide [8.15] | Elastic]</ref> | |||
<pre> | |||
GET /MY_INDEX/_search/?size=1000&pretty=true | |||
</pre> | |||
MySQL<ref>[https://dev.mysql.com/doc/refman/8.4/en/selecting-all.html MySQL :: MySQL 8.4 Reference Manual :: 5.3.4.1 Selecting All Data]</ref> | |||
<pre> | |||
SELECT * | |||
FROM MY_TABLE | |||
LIMIT 1000 | |||
</pre> | </pre> | ||
Revision as of 15:49, 15 October 2024
Count the number of documents
Elasticsearch: Count API | Elasticsearch Guide [8.15 Elastic]
GET /MY_INXEX/_count
MySQL MySQL :: MySQL 8.4 Reference Manual :: 5.3.4.8 Counting Rows
SELECT COUNT(*) FROM MY_TABLE
Truncate the index or table
Elasticsearch: Delete API | Elasticsearch Guide [8.15 | Elastic][1]
DELETE /MY_INXEX/
MySQL MySQL :: MySQL 8.4 Reference Manual :: 15.1.37 TRUNCATE TABLE Statement
TRUNCATE MY_TABLE
Create the index or table
PUT /MY_INXEX
{
"mappings": {
"properties": {
"id": { "type": "keyword" },
"field1": { "type": "text" }
}
}
}
MySQL[5]
CREATE TABLE MY_TABLE ( id INT AUTO_INCREMENT PRIMARY KEY, field1 TEXT ) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
Select the data from index or table
Elasticsearch[6]
GET /MY_INDEX/_search/?size=1000&pretty=true
MySQL[7]
SELECT * FROM MY_TABLE LIMIT 1000
References
- ↑ python - Truncate index in elasticsearch - Stack Overflow
- ↑ Create index API | Elasticsearch Guide [8.15 | Elastic]
- ↑ Elasticsearch Keyword VS. Text - Strings Types Explained
- ↑ Field data types | Elasticsearch Guide [8.15 | Elastic]
- ↑ MySQL :: MySQL 8.4 Reference Manual :: 15.1.20 CREATE TABLE Statement
- ↑ Get index API | Elasticsearch Guide [8.15 | Elastic]
- ↑ MySQL :: MySQL 8.4 Reference Manual :: 5.3.4.1 Selecting All Data