# QueryColumnData

Returns the data in a query column.

## Method Signature

```
QueryColumnData(query=[query], columnName=[string])
```

### Arguments

| Argument     | Type     | Required | Description                                  | Default |
| ------------ | -------- | -------- | -------------------------------------------- | ------- |
| `query`      | `query`  | `true`   | The query to get the column data from.       |         |
| `columnName` | `string` | `true`   | The name of the column to get the data from. |         |

## Examples

### Create and populate a query and output the 'name' column data as an array

[Run Example](https://try.boxlang.io/?code=eJxljcEKwjAQRM%2FmK5btJUL%2FoPQgVtCLIB7Fw2oCFZJWt4kSv95NcvQ0s8POPJ9O0XKCHooe7UcDIqw7NZG3i%2BQXtcLDZJiwFbdzjy%2FdbBjLtSfmVNw5R%2BraqVee2RiznV30kwZfAS1gHkTRN%2FF9JBZbEcJiu0QXBFbatTpQoL96fh6if2qQlR6bWmxK%2FgOIdT5L)

```java
myQuery = QueryNew( "" );
names = [
	"Indra",
	"Elizabeth",
	"Harry",
	"Seth"
];
queryAddColumn( myQuery, "name", "varchar", names );
result = queryColumnData( myQuery, "name" );
Dump( var="#result#" );

```

### Using a member function

[Run Example](https://try.boxlang.io/?code=eJwtjcEKwjAQRM%2FmK5btJULxB0oPYgW9COJRPKxNoEISddso9evdJD3t7DBvxs%2FnaHmGFvI92a8GRFg3KpC3o%2FhXtcJjMExYi9q7x4%2FudhrydyDmOatLstStUe9UszVm93TRBw2%2BDNSAqRDlfoj7gVhkmZAttmN0k4wt6U2f6Y4m0guYYl30Lw3Ct1gVpMr%2BHwSjPBc%3D)

```java
myQuery = QueryNew( "" );
names = [
	"Indra",
	"Elizabeth",
	"Harry",
	"Seth"
];
queryAddColumn( myQuery, "name", "varchar", names );
result = myQuery.columnData( "name" );
Dump( var="#result#" );

```

### Additional Examples

[Run Example](https://try.boxlang.io/?code=eJzLrQwsTS2qVLBVANN%2BqeUaCkpKCprWXHmJuanFQPFoLk6lCiBQ0gEyKoFAiSvWmqsQpNoxJcU5P6c0N09DIRdijo6CEkifEpAuSyxKzkgsAjIhJgGNLEotLs0pAZoJ1g3R6pJYkoihHaS4vCizJNWlNLdAQwGqDygIAPqQOAQ%3D)

```java
myQuery = QueryNew( "" );
names = [
	"xxxx",
	"yyyy"
];
queryAddColumn( myQuery, "name", "varchar", names );
result = queryColumnData( myQuery, "name" );
writeDump( result );

```

## 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)
* [QueryColumnExists](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querycolumnexists)
* [QueryColumnList](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/query/querycolumnlist)
* [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)