*************************************************************************
**
** Source File Name = tload.sqb 1.2
**
** Licensed Materials - Property of IBM
**
** (C) COPYRIGHT International Business Machines Corp. 1995, 1999
** All Rights Reserved.
**
** US Government Users Restricted Rights - Use, duplication or
** disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
**
** PURPOSE: to show the usage of LOAD and QUIESCE APIs
**
** APIs :
** EXPORT sqlgexpr
** QUIESCE TABLESPACES FOR TABLE sqlgvqdp
** LOAD sqlgload
**
** For more information about these samples see the README file.
**
** For more information on programming in COBOL, see the:
** - "Programming in COBOL" section of the Application Development Guide.
**
** For more information on Building COBOL Applications, see the:
** - "Building COBOL Applications" section of the Application Building Guide.
**
** For more information on the SQL language see the SQL Reference.
**
*************************************************************************
Identification Division.
Program-ID. "tload".
Data Division.
Working-Storage Section.
copy "sqlenv.cbl".
copy "sqlca.cbl".
copy "sqlutil.cbl".
EXEC SQL BEGIN DECLARE SECTION END-EXEC.
77 statement pic x(254).
01 userid pic x(8).
01 passwd.
49 passwd-length pic s9(4) comp-5 value 0.
49 passwd-name pic x(18).
EXEC SQL END DECLARE SECTION END-EXEC.
77 errloc pic x(80).
77 stmt pic x(254).
77 impstmt pic x(254).
77 rc pic s9(9) comp-5.
* Variables for IMPORT/EXPORT APIs
77 msgfile-x pic x(10) value "EXPMSG.TXT".
77 msgfile-x-len pic 9(4) comp-5 value 10.
77 fileformat pic x(3) value "DEL".
77 fileformat-len pic 9(4) comp-5 value 3.
* Variables for the QUIESCE TABLESPACES FOR TABLE API
77 tname-len pic s9(4) comp-5 value +9.
77 quiesce-mode pic s9(4) comp-5 value +2.
77 tname pic x(19) value "loadtable".
* Variables for the LOAD API
77 lclfile-len pic s9(4) comp-5 value +7.
77 lclfile pic x(7) value "LOADMSG".
77 rmtfile-len pic s9(4) comp-5 value +8.
77 rmtfile pic x(8) value "RLOADMSG".
77 null-ind pic s9(9) comp-5.
01 datafile-len1 pic 9(4) comp-5 value 12.
01 datafile-ixf.
05 datafile-len pic 9(9) comp-5 value 12.
05 datafile pic x(12) value "EXPTABLE.IXF".
01 work-dir-ixf.
05 work-dir-len pic 9(9) comp-5 value 1.
05 work-dir-path pic x(12) value ".".
01 copy-dir-ixf.
05 copy-dir-len pic 9(9) comp-5 value 1.
05 copy-dir-path pic x(12) value ".".
01 lob-dir-ixf.
05 lob-dir-len pic 9(9) comp-5 value 1.
05 lob-dir-path pic x(12) value ".".
01 datafile-list.
05 SQL-MEDIA-TYPE PIC X.
05 SQL-FILLER PIC X(3).
05 SQL-SESSIONS PIC S9(9) COMP-5.
05 SQL-TARGET.
10 SQL-MEDIA USAGE IS POINTER.
10 SQL-VENDOR REDEFINES SQL-MEDIA
USAGE IS POINTER.
10 SQL-LOCATION REDEFINES SQL-MEDIA
USAGE IS POINTER.
10 FILLER REDEFINES SQL-MEDIA
PIC X(4).
01 work-dir.
05 SQL-MEDIA-TYPE PIC X.
05 SQL-FILLER PIC X(3).
05 SQL-SESSIONS PIC S9(9) COMP-5.
05 SQL-TARGET.
10 SQL-MEDIA USAGE IS POINTER.
10 SQL-VENDOR REDEFINES SQL-MEDIA
USAGE IS POINTER.
10 SQL-LOCATION REDEFINES SQL-MEDIA
USAGE IS POINTER.
10 FILLER REDEFINES SQL-MEDIA
PIC X(4).
01 copy-target.
05 SQL-MEDIA-TYPE PIC X.
05 SQL-FILLER PIC X(3).
05 SQL-SESSIONS PIC S9(9) COMP-5.
05 SQL-TARGET.
10 SQL-MEDIA USAGE IS POINTER.
10 SQL-VENDOR REDEFINES SQL-MEDIA
USAGE IS POINTER.
10 SQL-LOCATION REDEFINES SQL-MEDIA
USAGE IS POINTER.
10 FILLER REDEFINES SQL-MEDIA
PIC X(4).
01 lobpaths.
05 SQL-MEDIA-TYPE PIC X.
05 SQL-FILLER PIC X(3).
05 SQL-SESSIONS PIC S9(9) COMP-5.
05 SQL-TARGET.
10 SQL-MEDIA USAGE IS POINTER.
10 SQL-VENDOR REDEFINES SQL-MEDIA
USAGE IS POINTER.
10 SQL-LOCATION REDEFINES SQL-MEDIA
USAGE IS POINTER.
10 FILLER REDEFINES SQL-MEDIA
PIC X(4).
* COMMON Variables among the above APIs
77 reserved-x pic s9(9) comp-5 value 0.
77 msgfile-len pic s9(4) comp-5.
77 filetype-len pic s9(4) comp-5 value 3.
77 msgfile pic x(1025).
77 filetype pic x(3) value "IXF".
77 callerac pic s9(4) comp-5.
Procedure Division.
tload Section.
display "Sample COBOL program: TLOAD".
display "Enter your user id (default none): "
with no advancing.
accept userid.
if userid = spaces
EXEC SQL CONNECT TO sample END-EXEC
else
display "Enter your password : " with no advancing
accept passwd-name.
inspect passwd-name tallying passwd-length for characters
before initial " ".
display " ".
* need to preset the size of structure field and counts
move "select id,name from staff" to stmt.
move "insert into imptable (id,name)" to impstmt.
move SQLUEXPT-OUT-SIZE to SQL-SIZE-OF-UEXPT-OUT.
move 0 to SQL-COMMITCNT.
move 0 to SQL-RESTARTCNT.
move stmt to SQL-TCOLSTRG-DATA.
move 25 to SQL-TCOLSTRG-LEN.
move SQL-METH-D to SQL-DCOLMETH.
move 0 to SQL-FILETMOD-LEN of SQL-FILETMOD.
* connecting to SAMPLE database.
EXEC SQL CONNECT TO sample USER :userid USING :passwd
END-EXEC.
move "CONNECT TO SAMPLE" to errloc.
call "checkerr" using SQLCA errloc.
display "Exporting id and name from staff table into file: ",
datafile.
*********************
* EXPORT API called *
*********************
call "sqlgexpr" using
by value datafile-len1
by value fileformat-len
by value msgfile-x-len
by reference datafile
by value 0
by value 0
by reference SQL-DCOLDATA
by reference SQL-TCOLSTRG
by reference fileformat
by reference SQL-FILETMOD
by reference msgfile-x
by value SQLU-INITIAL
by reference SQL-UEXPT-OUT
by value 0
by reference sqlca
returning rc.
move "EXPORTING TABLE" to errloc.
call "checkerr" using SQLCA errloc.
display "Rows exported : ", SQL-ROWSEXPORTED.
* drop the table just in case it already exists
move "drop table loadtable" to statement.
EXEC SQL EXECUTE IMMEDIATE :statement END-EXEC.
EXEC SQL COMMIT END-EXEC.
* create the table loadtable
EXEC SQL CREATE TABLE loadtable (num char(6),
format varchar(10))
END-EXEC.
move "CREATE TABLE loadtable" to errloc.
call "checkerr" using SQLCA errloc.
EXEC SQL COMMIT END-EXEC.
move "COMMIT the CREATE TABLE" to errloc.
call "checkerr" using SQLCA errloc.
*********************************
* QUIESCE TABLESPACES FOR TABLE *
*********************************
move SQLU-QUIESCEMODE-EXCLUSIVE to quiesce-mode.
call "sqlgvqdp" using
by value tname-len
by reference tname
by value quiesce-mode
by reference reserved-x
by reference sqlca
returning rc.
move "QUIESCE TABLESPACES FOR TABLE" to errloc.
call "checkerr" using SQLCA errloc.
display "Tablespace for loadtable has been quiesced.".
********
* LOAD *
********
* initialize variables for the Load API
move SQLU-SERVER-LOCATION
to SQL-MEDIA-TYPE of datafile-list.
move +1 to SQL-SESSIONS of datafile-list.
* set the pointer
set SQL-MEDIA of datafile-list
to address of datafile-len.
move SQLU-INITIAL to callerac.
move +0 to SQL-SESSIONS of work-dir.
move SQLU-LOCAL-MEDIA
to SQL-MEDIA-TYPE of work-dir.
set SQL-LOCATION of work-dir to address of work-dir-len.
move +0 to SQL-SESSIONS of copy-target.
move SQLU-LOCAL-MEDIA
to SQL-MEDIA-TYPE of copy-target.
set SQL-LOCATION of work-dir to address of copy-dir-len.
move +0 to SQL-SESSIONS of lobpaths.
move SQLU-LOCAL-MEDIA
to SQL-MEDIA-TYPE of lobpaths.
set SQL-LOCATION of lobpaths to address of lob-dir-len.
move +0 to null-ind.
move +0 to reserved-x.
initialize SQLULOAD-IN.
move SQLULOAD-IN-SIZE to SQL-SIZE-OF-STRUCT of SQLULOAD-IN.
move +0 to SQL-SAVECNT of SQLULOAD-IN.
move +0 to SQL-RESTARTCOUNT of SQLULOAD-IN.
move +0 to SQL-ROWCNT of SQLULOAD-IN.
move +0 to SQL-WARNINGCNT of SQLULOAD-IN.
move +0 to SQL-DATA-BUFFER-SIZE of SQLULOAD-IN.
move +0 to SQL-SORT-BUFFER-SIZE of SQLULOAD-IN.
move +0 to SQL-HOLD-QUIESCE of SQLULOAD-IN.
move " " to SQL-RESTARTPHASE of SQLULOAD-IN.
move SQLU-STATS-NONE to SQL-STATSOPT of SQLULOAD-IN.
move SQL-METH-D to SQL-DCOLMETH of SQL-DCOLDATA.
initialize SQLULOAD-OUT.
move SQLULOAD-OUT-SIZE to
SQL-SIZE-OF-STRUCT of SQLULOAD-out.
move "insert into loadtable " to impstmt.
move impstmt to SQL-TCOLSTRG-DATA.
move 21 to SQL-TCOLSTRG-LEN.
move SQL-DEL to filetype.
* Call LOAD API
call "sqlgload" using
by value filetype-len
by value lclfile-len
by value rmtfile-len
by reference datafile-list
by reference lobpaths
by reference SQL-DCOLDATA
by reference SQL-TCOLSTRG
by reference filetype
by reference SQL-FILETMOD
by reference lclfile
by reference rmtfile
by value callerac
by reference SQLULOAD-IN
by reference SQLULOAD-OUT
by reference work-dir
by reference copy-target
by reference null-ind
by reference reserved-x
by reference sqlca
returning rc.
move "LOAD" to errloc.
call "checkerr" using SQLCA errloc.
display "Load of table LOADTABLE is complete.".
display "Rows loaded: ", SQL-ROWS-LOADED.
display "Rows committed: ", SQL-ROWS-COMMITTED.
EXEC SQL CONNECT RESET END-EXEC.
move "CONNECT RESET" to errloc.
call "checkerr" using SQLCA errloc.
End-tload. stop run.