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ABAPDATA_SHORTREF - DATA SHORTREF

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DATA

Reference

Syntax

DATA var[(len)] [TYPE { {abap_type [LENGTH len]
                                   [DECIMALS dec]}
                      | {[LINE OF] type [BOXED]}
                      | {REF TO type}
                      | { {{[STANDARD] TABLE}
                          |{SORTED TABLE}
                          |{HASHED TABLE}}
                          OF [REF TO] type
                          [WITH [UNIQUE|NON-UNIQUE]
                             { {KEY [primary_key [ALIAS key_name]
                                  COMPONENTS] comp1 comp2 ...}
                             | {DEFAULT KEY} }]
                          {[WITH {UNIQUE HASHED}|{{UNIQUE|NON-UNIQUE} SORTED}
                             KEY key_name1 COMPONENTS comp1 comp2 ...]
                           [WITH {UNIQUE HASHED}|{{UNIQUE|NON-UNIQUE} SORTED}
                             KEY key_name2 COMPONENTS comp1 comp2 ...]
                           ...}
                          [INITIAL SIZE n]
                          [WITH HEADER LINE]}
                        | {RANGE OF type [INITIAL SIZE n]
                                         [WITH HEADER LINE]}
                        | {dbtab { READER|LOCATOR|{LOB HANDLE} }
                               | { WRITER|LOCATOR } FOR
                                 { COLUMNS blob1 blob2 ...  clob1 clob2 ... }
                               | { ALL [OTHER] [BLOB|CLOB] COLUMNS }
                                  [...]}} ]
              | [LIKE { {[LINE OF] dobj}
                      | {REF TO dobj}
                      | { {{[STANDARD] TABLE}
                          |{SORTED TABLE}
                          |{HASHED TABLE}}
                          OF [REF TO] dobj
                          [WITH [UNIQUE|NON-UNIQUE]
                             { {KEY [primary_key [ALIAS key_name]
                                  COMPONENTS] comp1 comp2 ...}
                             | {DEFAULT KEY} }]
                          {[WITH {UNIQUE HASHED}|{{UNIQUE|NON-UNIQUE} SORTED}
                             KEY key_name1 COMPONENTS comp1 comp2 ...]
                           [WITH {UNIQUE HASHED}|{{UNIQUE|NON-UNIQUE} SORTED}
                             KEY key_name2 COMPONENTS comp1 comp2 ...]
                           ...}
                          [INITIAL SIZE n]
                          [WITH HEADER LINE]}
                        | {RANGE OF dobj [INITIAL SIZE n]
                                         [WITH HEADER LINE]} }]
                [VALUE { val | {IS INITIAL} }]
                [READ-ONLY].

Effect

Declares a variable or an instance attribute var.

Additions

• (len)
  Defines the length when making reference to generic built in ABAP types.

• TYPE
  Defines the type by referring to a data type.

• LIKE
  Defines the type by referring to a data object.

• $[LENGTH len$] $[DECIMALS dec$]
  Defines the length and number of decimal places when referencing generically built-in ABAP types.

• LINE OF
  Defines the type by referring to the line type of an internal table.

• BOXED
  Declares a structure as a static box.

• REF TO
  Creates a reference variable.

• ${$[STANDARD$] TABLE$}$|${SORTED TABLE$}$|${HASHED TABLE$}
  Creates a standard, sorted, or hashed table.

• WITH ${$[UNIQUE$|NON-UNIQUE$] ${KEY $[primary_key $[ALIAS alias_name$] COMPONENTS$] comp1 comp2 ...$}$}$|${DEFAULT KEY$}
  Defines a unique or non-unique primary table key primary_key. The components of the key are either specified explicitly or are defined by a standard key. ALIAS can be used to define an alias name alias_name.

• WITH EMPTY KEY
  Defines an empty primary table key.

• WITH ${UNIQUE HASHED$}$|${${UNIQUE$|NON-UNIQUE$} SORTED$} KEY key_name $[ALIAS alias_name$] COMPONENTS comp1 comp2 ...
  Defines a secondary table key key_name. It is managed using either a unique hashed algorithm, a unique sorted secondary index, or a non-unique sorted secondary index. ALIAS can be used to define an alias name alias_name.

• INITIAL SIZE n
  Defines the initial memory usage of an internal table.

• WITH HEADER LINE
  Obsolete: Defines a header line of the same name for an internal table.

• RANGE OF
  Defines a ranges table with the line type of a ranges table.

• VALUE ${ val $| ${IS INITIAL$} $}
  Defines a start value of the data object as val or as the initial value.

• READ-ONLY
  Protects non- private attributes from writes from outside of their own class.

• READER$|WRITER$|LOCATOR$|${LOB HANDLE$} FOR ... COLUMNS ...
  Derives an LOB handle structure from the structure of a database table or DDIC database view.

• RANGE OF
  Defines a ranges table with the line type of a ranges table.
  

• VALUE ${ val $| ${IS INITIAL$} $}
  Defines a start value of the data object as val or as the initial value.
  

• READ-ONLY
  Protects non- private attributes from writes from outside of their own class.
  

• READER$|WRITER$|LOCATOR$|${LOB HANDLE$} FOR ... COLUMNS ...
  Derives an LOB handle structure from the structure of a database table or DDIC database view.

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