DDFLG1 SAP (Flag byte 1 of nametab for field attributes) Structure details
Description: Flag byte 1 of nametab for field attributes
Structure field list including key, data, relationships and ABAP select examples
DDFLG1 is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "Flag byte 1 of nametab for field attributes" Information within sap ABAP programs.
This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately.
i.e. DATA: wa_DDFLG1 TYPE DDFLG1.
The DDFLG1 table consists of various fields, each holding specific information or linking keys about Flag byte 1 of nametab for field attributes data available in SAP. These include SIGNFLAG (Flag for sign in numerical fields), LOWERCASE (Lowercase letters allowed/not allowed), CHECKFLAG (No check in Screen Painter), VALEXI (Existence of fixed values).. See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .
Delivery Class:Display/Maintenance via tcode SM30: Display/Maintenance Allowed but with Restrictions
SAP enhancement categories: Not classified
SAP DDFLG1 structure fields - Full list of fields found in SAP data dictionary
| Field | Description | Data Element | Data Type | length (Dec) | Check table | Conversion Routine | Domain Name | MemoryID | SHLP |
| KEYFLAG | Identifies a key field of a table | KEYFLAG | CHAR | 1 | KEYFLAG | ||||
| SIGNFLAG | Flag for sign in numerical fields | SIGNFLAG | CHAR | 1 | AS4FLAG | ||||
| LOWERCASE | Lowercase letters allowed/not allowed | LOWERCASE | CHAR | 1 | AS4FLAG | ||||
| CHECKFLAG | No check in Screen Painter | CHECKFLAG | CHAR | 1 | AS4FLAG | ||||
| VALEXI | Existence of fixed values | VALEXI | CHAR | 1 | AS4FLAG | ||||
| LOGFLAG | Indicator for writing change documents | LOGFLAG | CHAR | 1 | AS4FLAG | ||||
| NOTNULL | Indicator that NOT NULL is forced for this field | NOTNULL | CHAR | 1 | NOTNULL | ||||
| NULLABLE | Null values allowed | NULLABLE | CHAR | 1 | AS4FLAG |
| Key field | Non-key field |
How do I retrieve data from SAP structure DDFLG1 using ABAP code?
As DDFLG1 is a database structure and not a table it does not store any data in the SAP data dictionary. The ABAP SELECT statement is therefore not appropriate and can not be performed on DDFLG1 as there is no data to select.How to access SAP table DDFLG1
Within an ECC or HANA version of SAP you can also view further information about DDFLG1 and the data within it using relevant transactions such asSE11 (ABAP Dictionary Maintenance)
SM30 (Maintain Table Data)
SE80 (Object Navigator)
SE16 (Data Browser).
Search for further information about these or an SAP related objects