75 lines
1.8 KiB
Plaintext
75 lines
1.8 KiB
Plaintext
/*
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* $Id$
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*/
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/*
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creating new index files, seek and found tests
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closing files and reusing existing index file
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LOCATE ...
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*/
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#include "sixapi.ch"
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#include "simpleio.ch"
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PROCEDURE MAIN()
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LOCAL cFile := "sixtest.dbf"
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LOCAL aStruct := { ;
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{ "MYCHAR" , "C", 15, 0 }, ;
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{ "MYDATE" , "D", 8, 0 }, ;
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{ "MYNUMBER1" , "N", 8, 0 }, ;
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{ "MYNUMBER2" , "N", 8, 0 } }
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LOCAL j, n := seconds(), nArea, cPad
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SET CENTURY ON
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SET DATE ANSI
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IF File( "myText.Txt" )
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FErase( "myText.Txt" )
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ENDIF
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CREATE DBF cFile STRUCT aStruct RDD SDENSX
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USE cFile ALIAS MYALIAS RDD SDENSX VAR nArea EXCLUSIVE
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? "--------------------------------"
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? "Polupating DBF with 1000 Records"
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? "--------------------------------"
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? "Area : ", nArea
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? "RDD : " + sx_rddDriver( nArea )
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? "Start : ", n
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FOR j := 1 TO 1000
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APPEND BLANK
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cPad := PADL( j, 5, "0" )
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FieldPut( MYCHAR, "NAME_" + cPad )
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FieldPut( MYDATE, date() + j )
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FieldPut( MYNUMBER1, j * 10 )
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FieldPut( MYNUMBER2, j * 20 )
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NEXT
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COMMIT
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? "End : ", seconds()
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? "Time : ", seconds() - n
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?
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? 'GO TOP'
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? [sx_locate( 'MYCHAR = "NAME_00100"', .F., .F. )]
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GO TOP
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// Syntax : SX_LOCATE( cExpression, lBackward, lContinue ) => RecNo()
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// Locate forward
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? '->', sx_locate( 'MYCHAR = "NAME_00100"', .F. , .F. )
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?
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? [sx_locate( 'MYCHAR = "NAME_00035"', .T., .F. )]
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? '->', sx_locate( 'MYCHAR = "NAME_00035"', .T. , .F. )
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?
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? 'GO BOTTOM'
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? [sx_locate( 'MYCHAR = "NAME_00100"', .T., .F. )]
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GO BOTTOM
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// Locate backward
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? '->', sx_locate( 'MYCHAR = "NAME_00100"', .T. , .F. )
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?
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? [sx_locate( 'MYCHAR = "NAME_00800"', .F., .F. )]
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? '->', sx_locate( 'MYCHAR = "NAME_00800"', .F. , .F. )
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