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6.2.29 RELEASE Statement

The RELEASE statement transfers records from an input/output area to the initial phase of a sorting operation.

The RELEASE statement can only be used within the range of an INPUT PROCEDURE associated with a SORT statement.

    ___ Format _____________________________________________________________ 
   |                                                                        |
   | >>__RELEASE__record-name-1__ ____________________ __________________>< |
   |                             |_FROM__identifier-1_|                     |
   |                                                                        |
Within an INPUT PROCEDURE, at least one RELEASE statement must be specified.

When the RELEASE statement is executed, the current contents of record-name-1 are placed in the sort file; that is, made available to the initial phase of the sorting operation.

Must specify the name of a logical record in a sort-merge file description entry (SD). Record-name-1 can be qualified.

X Can define a floating-point data item or DBCS data item. Identifier-1
X must be a DBCS data item if record-name-1 is a DBCS data item.

FROM phrase
The result of the execution of the RELEASE statement with the FROM identifier-1 phrase is equivalent to the execution of the following statements in the order specified.

         MOVE identifier-1 to record-name-1.
         RELEASE record-name-1.

The MOVE is performed according to the rules for the MOVE statement without the CORRESPONDING phrase.

Identifier-1 must be one of the following:

  • The name of an entry in the Working-Storage Section or the Linkage Section
  • The name of a record description for another previously opened file
  • The name of an alphanumeric function identifier

Identifier-1 and record-name-1 must not refer to the same storage area.

X Identifier-1 can be a floating-point data item or a DBCS data item.

After the RELEASE statement is executed, the information is still available in identifier-1. (See "INTO/FROM Identifier Phrase" under "Common Processing Facilities" in topic

If the RELEASE statement is executed without specifying the SD entry for file-name-1 in a SAME RECORD AREA clause, the information in record-name-1 is no longer available.

If the SD entry is specified in a SAME RECORD AREA clause, record-name-1 is still available as a record of the other files named in that clause.

When FROM identifier-1 is specified, the information is still available in identifier-1.

When control passes from the INPUT PROCEDURE, the sort file consists of all those records placed in it by execution of RELEASE statements.

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