add_case

Description:

[ Version ( since = "4.2" ) ]
public SqlBuilderId add_case (SqlBuilderId test_expr, SqlBuilderId else_expr, ...)

Creates a new CASE ... WHEN ... THEN ... ELSE ... END expression.

this	a SqlBuilder object
test_expr	the expression ID representing the test of the CASE, or `typeof ( unichar2)`0
else_expr	the expression ID representing the ELSE expression, or `typeof ( unichar2)`0
...	a list, terminated by a `typeof (unichar2)`0, of (WHEN expression ID, THEN expression ID) representing all the test cases

the ID of the new expression, or typeof (unichar2)0 if there was an error