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37 lines
1.2 KiB
Markdown
37 lines
1.2 KiB
Markdown
---
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slug: /en/sql-reference/table-functions/fuzzQuery
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sidebar_position: 75
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sidebar_label: fuzzQuery
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---
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# fuzzQuery
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Perturbs the given query string with random variations.
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``` sql
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fuzzQuery(query[, max_query_length[, random_seed]])
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```
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**Arguments**
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- `query` (String) - The source query to perform the fuzzing on.
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- `max_query_length` (UInt64) - A maximum length the query can get during the fuzzing process.
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- `random_seed` (UInt64) - A random seed for producing stable results.
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**Returned Value**
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A table object with a single column containing perturbed query strings.
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## Usage Example
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``` sql
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SELECT * FROM fuzzQuery('SELECT materialize(\'a\' AS key) GROUP BY key') LIMIT 2;
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```
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```
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┌─query──────────────────────────────────────────────────────────┐
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1. │ SELECT 'a' AS key GROUP BY key │
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2. │ EXPLAIN PIPELINE compact = true SELECT 'a' AS key GROUP BY key │
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└────────────────────────────────────────────────────────────────┘
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```
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