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# PreserveSingleQuotes

Prevents from automatically escaping single quotation mark characters that are contained in a variable.

It is not neccesary to use this function around listQualify() when the qualifier is a single quote, or around quotedValueList() as those automatically preserve and escape single quotes as needed when used inside a query component.

## Method Signature

```
PreserveSingleQuotes(variable=[String])
```

### Arguments

| Argument   | Type     | Required | Description                                                    | Default |
| ---------- | -------- | -------- | -------------------------------------------------------------- | ------- |
| `variable` | `String` | `true`   | The expression that needs to have its single quotes preserved. |         |

## Examples

### Preserve single quotes in a SQL string

Prevents double-escaping of single quotes in dynamic SQL.

```java
sql = "SELECT * FROM users WHERE name = '#preserveSingleQuotes( "O'Brien" )#'";
writeOutput( sql.contains( "O'Brien" ) );

```

Result: true

## Related

* [IsInTransaction](/boxlang-language/reference/built-in-functions/jdbc/isintransaction.md)
* [IsWithinTransaction](/boxlang-language/reference/built-in-functions/jdbc/iswithintransaction.md)
* [QueryExecute](/boxlang-language/reference/built-in-functions/jdbc/queryexecute.md)
* [TransactionCommit](/boxlang-language/reference/built-in-functions/jdbc/transactioncommit.md)
* [TransactionRollback](/boxlang-language/reference/built-in-functions/jdbc/transactionrollback.md)
* [TransactionSetSavepoint](/boxlang-language/reference/built-in-functions/jdbc/transactionsetsavepoint.md)


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