# QueryColumnList

This function returns the delimited column list of a query.

## Method Signature

```
QueryColumnList(query=[query])
```

### Arguments

| Argument | Type    | Required | Description                            | Default |
| -------- | ------- | -------- | -------------------------------------- | ------- |
| `query`  | `query` | `true`   | The query to get the column names from |         |

## Examples

### Create a query and output the column list

[Run Example](https://try.boxlang.io/?code=eJzLrQwsTS2qVLBVKATRfqnlGgpKni46eYm5qTqJ6alKCprWXOVFmSWp%2FqUlBaUlGhB1zvk5pbl5PpnFQIFcqBGaIKUAWvYbBg%3D%3D)

```java
myQuery = queryNew( "ID,name,age" );
writeOutput( queryColumnList( myQuery ) );

```

Result: ID,name,age

### Using a member function

[Run Example](https://try.boxlang.io/?code=eJzLrQwsTS2qVLBVKATRfqnlGgpKni46eYm5qTqJ6alKCprWXOVFmSWp%2FqUlBaUlGgq5EB16yfk5pbl5PpnFJRqaIEUAtqoY3g%3D%3D)

```java
myQuery = queryNew( "ID,name,age" );
writeOutput( myQuery.columnList() );

```

Result: ID,name,age

### Additional Examples

[Run Example](https://try.boxlang.io/?code=eJwrLKpUsFUoLE0tqvRLLddQUEpMTFRS0LTmSiwqAkoAyUSIhCFUMBrIigXKKCUqQflGEH4SjG8M4ScD%2BYEgcx1TUpzzc0pz8zQUCosqdYAqk5KUdEBGg4zEriQ5ORmhpLwosyTVpTS3QAPiUIhSn8ziErByBU2QIgD8kjvh)

```java
qry = queryNew( "aaa" );
arr = arrayNew( 1 );
arr[ 1 ] = "a";
arr[ 2 ] = "b";
arr[ 3 ] = "c";
QueryAddColumn( qry, "bbb", arr );
QueryAddColumn( qry, "ccc", arr );
writeDump( queryColumnList( qry ) );

```

## Related

* [QueryAddColumn](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryaddcolumn)
* [QueryAddRow](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryaddrow)
* [QueryAppend](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryappend)
* [QueryClear](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryclear)
* [QueryColumnArray](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querycolumnarray)
* [QueryColumnCount](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querycolumncount)
* [QueryColumnData](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querycolumndata)
* [QueryColumnExists](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querycolumnexists)
* [QueryCurrentRow](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querycurrentrow)
* [QueryDeleteColumn](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querydeletecolumn)
* [QueryDeleteRow](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querydeleterow)
* [QueryEach](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryeach)
* [QueryEvery](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryevery)
* [QueryFilter](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryfilter)
* [QueryGetCell](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querygetcell)
* [QueryGetResult](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querygetresult)
* [QueryInsertAt](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryinsertat)
* [QueryKeyExists](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querykeyexists)
* [QueryMap](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querymap)
* [QueryNew](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querynew)
* [QueryNone](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querynone)
* [QueryPrepend](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryprepend)
* [QueryRecordCount](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryrecordcount)
* [QueryRecordCount](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryrecordcount)
* [QueryReduce](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryreduce)
* [QueryRegisterFunction](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryregisterfunction)
* [QueryReverse](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryreverse)
* [QueryRowData](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryrowdata)
* [QueryRowSwap](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryrowswap)
* [QuerySetCell](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querysetcell)
* [QuerySetRow](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querysetrow)
* [QuerySlice](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/queryslice)
* [QuerySome](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querysome)
* [QuerySort](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querysort)