The following table shows the mapping between C data types, I4GL data types, and EGL primitive types for use in a Library part with the stereotype nativeLibrary.
| C data types | Equivalent I4GL data type | Equivalent EGL primitive type |
|---|---|---|
| char | CHAR or CHARACTER | UNICODE(1) |
| char | NCHAR | UNICODE(size) |
| char | NVARCHAR | STRING |
| char | VARCHAR | STRING |
| int | INT or INTEGER | INT |
| short | SMALLINT | SMALLINT |
| ifx_int8_t | BIGINT | BIGINT |
| dec_t | DEC or DECIMAL(p,s,) or NUMERIC(p) | DECIMAL(p) |
| dec_t | MONEY | MONEY |
| double | FLOAT | FLOAT |
| float | SMALLFLOAT | SMALLFLOAT |
| loc_t | TEXT | CLOB |
| loc_t | BYTE | BLOB |
| int | DATE | DATE |
| dtime_t | DATETIME | TIMESTAMP |
| intvl_t | INTERVAL | INTERVAL |