1 cast

Convert an expression or column to the type indicated in the type attribute.

<cast
    type='type'
    size='size'
    ids='y|yes'
    db2='y|yes'
    oracle='y|yes'
>
    <string /> *
</cast>

Attributes
Name	Type	Required	Default	Description
Atype	string				Possible values are:: serial, smallint, int, integer, smallfloat, float, decimal, boolean, char, nchar, varchar, lvarchar, date, datetime, interval, byte, text, clob or blob.
Asize	string				The size of the converted column.
Aids	string				For ids databases.
Adb2	string				For db2 databases.
Aoracle	string				For Oracle databases.

Arguments
Name	Type	Required	Unique	Nullable	Description
Estring	string				Column name or expression.

Example

Convert column c of type char to an integer.

Copy

<select>
  <columns>
     <cast type='INT'>c</cast> <!-- Formato XML -->
  </columns>
  <from table='test'/>
</select>

2 char

Convert a column or numeric expression to text. It is useful when concatenating strings with numbers.

<char>
    <expresion /> *
</char>

Arguments
Name	Type	Required	Unique	Nullable	Description
Eexpresion	string

Example

Copy

<select>
   <columns>
      'remesa' || <char>numrem</char>
   </columns>
   <from table='cremesa'/>
</select>

It allows to convert a column or numerical expression into smallint data type.

<smallint>
    <expresion /> *
</smallint>

Arguments
Name	Type	Required	Unique	Nullable	Description
Eexpresion	string

Example

Copy

<select>
   <columns>
      <smallint>10</smallint>
   </columns>
   <from table='cremesa'/>
</select>