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| - | ====== Omnidex SQL Function: CASE ====== | ||
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| - | ===== Description ===== | ||
| - | The CAST function converts expressions to a specified data type. Column formatting will be the default for the specified data type. | ||
| - | Due to conflicts in specifications, the main OmniAccess data types are not supported here. The $CONVERT function should be used for OmniAccess data types and for more specific functions. | ||
| - | ===== Syntax ===== | ||
| - | CAST(scalar_expression AS datatype[(n)]) | ||
| - | |||
| - | == scalar_expression == | ||
| - | Required. The column name that is to be cast. | ||
| - | |||
| - | == AS == | ||
| - | Required | ||
| - | |||
| - | == datatype == | ||
| - | Required. The supported SQL92 data type. | ||
| - | |||
| - | == n == | ||
| - | Length if applicable. | ||
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| - | ===== Examples ===== | ||
| - | ==== Example 1 ==== | ||
| - | <code SQL> | ||
| - | select amount, | ||
| - | cast(orders.amount as DOUBLE PRECISION) | ||
| - | from orders where status='cncl'; | ||
| - | </code> | ||
| - | ==== Example 2 ==== | ||
| - | <code SQL> | ||
| - | select order_date, | ||
| - | cast(substring(order_date from 1 for 2) as INTEGER) | ||
| - | from orders | ||
| - | where status='back'; | ||
| - | </code> | ||
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