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ABAP Syntax Starting with “I”


Home »ABAP Syntax » ABAP Syntax Starting with “I”


Syntax Starting with “I”

IF

Conditional branch.

Introduces a new branch.

Syntax

IF <logexp>.

Opens an IF control structure that ends with an ENDIF statement. The system evaluates the logical expression <logexp>, and processes different statement blocks depending on the result.




IMPORT

Imports data clusters.

Syntax

IMPORT… <fi> [TO <g i>]… | (<itab>)
FROM  MEMORY
| DATABASE <dbtab>(<ar>) ID(<key>)
| SHARED BUFFER <dbtab>(<ar>) ID(<key>).

The data objects <fi> or <g i>, or the data objects in the internal table <itab> are read from data clusters, either in the cross-program ABAP memory of the current internal session; in a cluster database table <dbtab>; or in the cross-transaction application buffer of the table <dbtab> and written to the variables <f i> and <g i>.

IMPORT DIRECTORY

Creates the directory of a data cluster from a cluster database.

Syntax

IMPORT DIRECTORY INTO <itab>
FROM DATABASE <dbtab>(<ar>)
Id <key>.

Writes a directory of the data objects belonging to a data cluster in the cluster database <dbtab> to the internal table <dirtab>.

In the third variant, the table <itab> contains a directory of the objects stored using EXPORT TO DATABASE.

INCLUDE

Inserts an include program in another program.

Syntax

INCLUDE <incl>.

Has the same effect as copying the source code of the include program <incl> into the program. Include programs are not loaded at runtime, but are expanded when the program is generated. Include programs must have the program type I.

INCLUDE TYPE|STRUCTURE

Includes a structure within another.

Syntax

INCLUDE TYPE <t>|STRUCTURE <s> [AS <name> [RENAMING WITH SUFFIX <suffix>]].

Within a structure declared using TYPES|DATA BEGIN OF, copies a structured datatype <t>, or a structure <s> already available as a data object, as part of the structure declaration. The AS addition lets you address the individual components using the name <name>. The RENAMING addition lets you append a suffix, <suffix>, to <name>, so that you can copy the same structure several times.

INITIALIZATION

Event keywords for defining event blocks for reporting events.

Syntax

INITIALIZATION.

Only occurs in executable programs. The ABAP runtime environment triggers the INITIALIZATION event before the selection screen is processed, at which point the corresponding event block is processed.

INSERT for Database Tables

Inserts entries from database tables.

Syntax

INSERT <dbtab> FROM <wa>.

INSERT <dbtab> FROM TABLE <itab> [ACCEPTING DUPLICATE KEYS].

Inserts one line from the work area <wa> or several lines from the internal table <itab> into the database table <dbtab>. The ACCEPTING DUPLICATE KEYS addition prevents a runtime error from occurring if two entries have the same primary key. Instead, it merely discards the duplicate

INSERT for Field Groups

Defines the structure of field groups for extract datasets.

Syntax

INSERT <f1>… <f n> INTO <fg>.

Includes the fields <fi> in the field group <fg>, thus defining a line structure for an extract dataset.

INSERT for any Internal Table

Inserts lines from internal tables of any type.

Syntax

INSERT <line>|LINES OF <jtab> [FROM <n1>] [TO <n 2>]
INTO TABLE <itab>
[ASSIGNING <FS> | REFERENCE INTO <dref>].

Inserts a line <line> or a set of lines from the internal table <jtab> into the internal table <itab>. If <jtab> is an index table, you can use the FROM and TO additions to restrict the lines inserted. If you use ASSIGNING or INTO REFERENCE, field symbol <FS> refers to the inserted line or the relevant data reference is stored in <dref> after the statement.

INSERT for Index Tables

Inserts entries in index tables.

Syntax

INSERT <line>|LINES OF <jtab> [FROM <n1>] [TO <n 2>]
INTO <itab> [INDEX <idx>]
[ASSIGNING <FS> | REFERENCE INTO <dref>].

Inserts a line <line> or a set of lines from the internal table <jtab> into the internal table <itab>before the line with the index <idx>. If <jtab> is an index table, you can use the FROM and TO additions to restrict the lines inserted. If you omit the INDEX addition, you can only use the statement within a LOOP. A new line containing values is inserted before the current line. If you use ASSIGNING or INTO REFERENCE, field symbol <FS> refers to the inserted line or the relevant data reference is stored in <dref> after the statement.

INSERT for Programs

Inserts ABAP programs into the program library.

Syntax

INSERT REPORT <prog> FROM <itab>.

The lines of the internal table <itab> are added to the program library as the program <prog>.

INTERFACE

Declares a interface in ABAP Objects.

Syntax

INTERFACE <ifac> [DEFERRED]
[LOAD].

Introduces an interface <interface>. The definition ends with ENDINTERFACE and contains the declaration of all the components of the interface. The DEFERRED addition makes the interface known to the program before it is defined. The LOAD addition loads an interface explicitly from the Class Library.

INTERFACES

Implementation or nesting of an interface in ABAP Objects.

Syntax

INTERFACES <ifac>
[ABSTRACT|FINAL METHODS <meth1> <meth 2> | ALL METHODS ABSTRACT|FINAL ]
[DATA VALUES <attr1> = <val 1> <attr 2> = <val 2> …]

.

Used in a class declaration: This statement adds the components of the interface to the existing class definition. Used in an interface definition: Forms a compound interface. Use the additions to characterize methods in interfaces as abstract or final. Their attributes can be filled with initial values.

A D V E R T I S E M E N T

A D V E R T I S E M E N T

S A P - R E S O U R C E S


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