Openedge Data Management: SQL Reference - Product ...

CAST
82
The following example shows the equivalent simple case expression:
Notes • This function is not allowed in a GROUP BY clause.
CAST
SELECT name, city,
CASE
WHEN state = 'MA' THEN 'In Mass' ELSE 'Not in Mass'
END
FROM supplier;
Name City searched_case(State,MA,In Mass,)
---------------- ---------------- --------------------------------
GolfWorld Suppl Boston In Mass
Pool Swimming S Valkeala Not in Mass
Nordic Ski Whol Hingham In Mass
Champion Soccer Harrow Not in Mass
ABC Sports Supp Boston In Mass
Seasonal Sports Bedford In Mass
Tennis Supplies Boston In Mass
Boating Supplie Jacksonville Not in Mass
Aerobic Supplie Newport Beach Not in Mass
Sports Unlimite Irving Not in Mass
SELECT name, city,
CASE state
WHEN 'MA' THEN 'In Mass' ELSE 'Not in Mass'
END
FROM supplier;
Name City simple_case(State,MA,In Mass,)
---------------- ---------------- ------------------------------
GolfWorld Suppl Boston In Mass
Pool Swimming S Valkeala Not in Mass
Nordic Ski Whol Hingham In Mass
Champion Soccer Harrow Not in Mass
ABC Sports Supp Boston In Mass
Seasonal Sports Bedford In Mass
Tennis Supplies Boston In Mass
Boating Supplie Jacksonville Not in Mass
Aerobic Supplie Newport Beach Not in Mass
Sports Unlimite Irving Not in Mass
• Arguments to this function cannot be query expressions.
Compatibility
SQL compatible
Converts an expression to another data type. The first argument is the expression to be
converted. The second argument is the target data type.
The length option for the data_type argument specifies the length for conversions to CHAR and
VARCHAR data types. If omitted, the default is 1 byte.