====== Get Table Keys ======

===== Description =====

This functor returns a table containing only the first column of keys.

===== Inputs =====

^ Name ^ Type ^ Description ^
| Table  | [[Table Type|Table]]  | The input table.  |

===== Outputs =====

^ Name ^ Type ^ Description ^
| Keys  | [[Table Type|Table]]  | The table containing the keys from the input table first key column.  |

===== Group =====

[[Functor List#Table|Table]]

===== Notes =====

The result table has columns "Key*" and "Value" and both columns contain the same values. The column types are the same types of the first key column from the input table. 

**Example 1:**

Input:

^ Key1*  ^ Key2*  ^ Value1  ^ Value2  ^
|@lightgreen: 1  | 2  | 2.2  | 3.1  |
|@lightgreen: 1  | 3  | 2.1  | 3.1  |
|@lightgreen: 1  | 6  | 1.2  | 4.2  |
|@lightgreen: 2  | 2  | 3.2  | 6.1  |

Result:

^ Key*  ^ Value  ^
|@lightgreen: 1  |@lightgreen: 1  |
|@lightgreen: 2  |@lightgreen: 2  |

**Example 2:**

Input:

^ Name*  ^ Age*  ^ Value1  ^ Value2  ^
|@lightgreen: "Hermann"  | 28  | 2.2  | 3.1  |
|@lightgreen: "Romulo"  | 12  | 2.1  | 3.1  |
|@lightgreen: "Bruno"  | 61  | 1.2  | 4.2  |
|@lightgreen: "Danilo"  | 25  | 3.2  | 6.1  |

Result:

^ Key*  ^ Value  ^
|@lightgreen: "Hermann"  |@lightgreen: "Hermann"  |
|@lightgreen: "Romulo"  |@lightgreen: "Romulo"  |
|@lightgreen: "Bruno"  |@lightgreen: "Bruno"  |
|@lightgreen: "Danilo"  |@lightgreen: "Danilo"  |

===== Internal Name =====

GetTableKeys