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Macro Language Elements
The section contains detailed specifications for all 1010data Macro Language elements.
Data Transformation
Data transformation operations use functions and expressions to functionally alter tabular data. These operations take 0, 1, or 2 tables as input and produce a single table as a result.
<col>
<col> changes the display attributes of a column in a table. It does not change the name of a column, but it does change the heading, as an example.

Macro Language Elements
The section contains detailed specifications for all 1010data Macro Language elements.
- Data Transformation
  Data transformation operations use functions and expressions to functionally alter tabular data. These operations take 0, 1, or 2 tables as input and produce a single table as a result.
  - <amend>
    Update a specified value, or column of values, either by entering a new value or by using an expression. The expression can be applied to the column the value is in or to another column.
  - <base>
    <base> is the concrete macro operation that represents the action of opening the initial table.
  - <col>
    <col> changes the display attributes of a column in a table. It does not change the name of a column, but it does change the heading, as an example.
  - <colord>
    <colord> tells the system which columns to display and in what order.
  - <cols>
    Modifies the metadata of multiple columns at once, based on a query result or formatted tabular input.
  - <columns>
    <columns> is a special operation that retrieves column information from a table.
  - <directory>
    <directory> returns a table that provides information about the child objects of a particular folder. These include any tables, folders, and queries that have been saved to that folder.
  - <find>
    Efficiently finds (without selecting) the first n rows, between the specified row numbers, where the specified Boolean value expression is true.
  - <ignore>
    <ignore> encases code in a Macro Language query that should not be executed by the system.
  - <link>
    Link a foreign table to a base table or worksheet. Both tables must share a column on which to link.
  - <materialize>
    Creates a new physical table.
  - <merge>
    Merge a table to another table or worksheet.
  - <meta>
    <meta> allows settings to be made at the level of an individual query (and saved along with the query).
  - <note>
    <note> may be used to place a comment in the Macro Language. The contents of the element is any standard text.
  - <sel>
    Select the rows relevant to your analysis.
  - <sort>
    Changes the order in which rows appear in a table by sorting according to the values in a column.
  - <stats:>
    The <stats:> package provides more advanced statistics operations.
  - <table>
    <table> is a special operation that creates a temporary table within the scope of a query.
  - <tabu>
    <tabu> defines a tabulation or cross-tabulation.
  - <transpose>
    <transpose> results in a table in which the rows from the original table are its columns and the columns from the original table are its rows.
  - <willbe>
    Define a new computed column in an existing worksheet with a value expression.
- Blocks
  Blocks allow users to reuse sections of Macro Language code and to parameterize values in that code for greater flexibility and power.
- Application Development

`<col>`

<col> changes the display attributes of a column in a table. It does not change the name of a column, but it does change the heading, as an example.

Syntax

<col name="[COLUMN_NAME_TO_CHANGE]" label="[NEW_COLUMN_HEADING]"/>

Attributes

name: The name of the column (real or computed) to modify. It is an error to specify a column that does not exist.
label: The new column heading for the column. The heading may consist of multiple lines separated by backtick characters (`). If not specified, the column's heading is not changed.
format: The new format for the column (see Display formats). If not specified, the column's format is not changed.
desc: Accepts a string that specifies the description for the column.
If this attribute is not specified, the column description is not changed.
fixed: 1 if the column should be displayed as fixed (on the left side of the table display, 0 if not. By default, break columns in tabulations are fixed, and columns in a table may be designated as fixed when the table is loaded, but fixed columns may be un-fixed and vice-versa using the <col>. If fixed is not specified, the column's fixed status is not changed.

Example

In this example, assume the "current" table is pub.demo.retail.item, a transactional sales table. We would like to change the Account column heading to read Customer ID for clarity.

<base table="pub.demo.retail.item"/>
<col name="account" label="Customer ID"/>