File Management - IBM

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| | | | | Special considerations for the Override Database File (OVRDBF), Override Diskette File (OVRDKTF), and Override Tape File (OVRTAPF) commands. . . . . . . . . . . . . . 91 How the copy function adds members to the to-file . . . . . . . . . . . . . . . 91 Selecting the records to copy . . . . . . . . 92 Selecting records using a specified record format name (RCDFMT Parameter) . . . . . . . . 92 Selecting records by relative record numbers (FROMRCD and TORCD Parameters) . . . . 93 Selecting records by record keys (FROMKEY and TOKEY Parameters) . . . . . . . . . . 94 Selecting a specified number of records (NBRRCDS Parameter) . . . . . . . . . 98 Selecting records based on character content (INCCHAR Parameter) . . . . . . . . . 99 Selecting records based on field value (INCREL Parameter) . . . . . . . . . . . . . 101 Copying deleted records (COMPRESS Parameter) . . . . . . . . . . . . . 103 Printing records (PRINT, OUTFMT, and TOFILE(*PRINT) parameters) . . . . . . . . 105 Creating an unformatted print listing . . . . 106 Copying between different database record formats (FMTOPT parameter). . . . . . . . . . . 106 Specifying data for different field types and attributes . . . . . . . . . . . . . . 109 Converting universal coded character set (UCS-2) graphic fields . . . . . . . . . 117 Converting System/370 floating point and null fields . . . . . . . . . . . . . . . 118 Conversion rules for copying files . . . . . 119 Adding or changing source file sequence number and date fields (SRCOPT and SRCSEQ Parameters) 120 Copying device source files to database source files . . . . . . . . . . . . . . . 120 Copying database source files to device source files . . . . . . . . . . . . . . . 121 Copying database source files to database source files . . . . . . . . . . . . . 121 Preventing errors when copying files . . . . . 122 Limiting recoverable errors during copy . . . 122 Preventing date, time, and timestamp errors when copying files . . . . . . . . . . 124 Preventing position errors when copying files 125 Preventing allocation errors when copying files 126 Preventing copy errors that result from constraint relationships . . . . . . . . . 127 Copying files not in check-pending status . . . 127 Copying files in check pending status . . . . 128 Preventing copy errors related to your authority to files. . . . . . . . . . . . . . . 128 Improving copy performance . . . . . . . . 129 Avoiding keyed sequence access paths . . . . 129 Specifying fewer parameters . . . . . . . 129 Year 2000 support: date, time, and timestamp considerations . . . . . . . . . . . . . 130 Copying FROM logical file ZONED, CHARACTER, or PACKED field (with a DATFMT) TO a DATE field in a physical to-file . 130 iv File Management V4R5 Copying FROM or TO a ZONED or PACKED field (that has no DATFMT) TO or FROM a DATE type field . . . . . . . . . . . 132 Restrictions for Year 2000 support . . . . . 134 Copying complex objects . . . . . . . . . 134 Copying files that contain user-defined functions . . . . . . . . . . . . . . 134 Copying files that contain user-defined types 134 Copying files that contain DataLinks . . . . 135 Copying files that contain large objects . . . . 135 Copying between different systems . . . . . . 139 Using the Copy From Import File (CPYFRMIMPF) command to copy between different systems . . . . . . . . . . . 140 Using the Copy To Import File (CPYTOIMPF) command to copy between different systems . . 140 Notes on the CPYFRMIMPF command . . . . 140 Restrictions on the CPYFRMIMPF command 141 (CPYFRMIMPF) Importing data to the AS/400 when the from-file is a database file or DDM file . . . . . . . . . . . . . . . . 141 (CPYFRMIMPF) Importing data to AS/400 when the import file is a stream file . . . . . 142 Parallel data loader support to use with the CPYFRMIMPF command . . . . . . . . 143 Handling data from the import file . . . . . 143 Delimited import file . . . . . . . . . . 143 Fixed formatted import file . . . . . . . . 145 Notes on the CPYTOIMPF command . . . . 146 Notes on the delimited import file (CPYTOIMPF command) . . . . . . . . . . . . . 147 Restrictions for the CPYTOIMPF command . . 148 Copying data to the import file in a fixed format (CPYTOIMPF command) . . . . . . 148 Chapter 5. Working with spooled files 149 Output spooling . . . . . . . . . . . . 149 Spooling device descriptions . . . . . . . 150 Summary of spooled file commands. . . . . 151 Locating your spooled files . . . . . . . . 151 File redirection of spooled files . . . . . . 151 Output queues of spooled files . . . . . . . 152 Summary of output queue commands . . . . 153 Default printer output queues . . . . . . . 153 Default system output queues . . . . . . . 154 Creating your own output queues . . . . . 154 Order of spooled files on an output queue . . 154 Using multiple output queues . . . . . . . 155 Output queue recovery . . . . . . . . . 155 Spooling writers . . . . . . . . . . . . 156 Summary of spooling writer commands . . . 157 Spooled file security . . . . . . . . . . . 157 Controlling the number of spooled files in your system . . . . . . . . . . . . . . . 158 Command examples for additional spooling support . . . . . . . . . . . . . . . 159 Input spooling . . . . . . . . . . . . . 159 Summary of job input commands . . . . . 160 Job queues . . . . . . . . . . . . . 161 Transferring jobs in a queue . . . . . . . 163 Using an inline data file . . . . . . . . . 165
Spooling subsystem . . . . . . . . . . . 166 Spooling library . . . . . . . . . . . . 167 Appendix A. Feedback area layouts 169 Open feedback area . . . . . . . . . . . 169 Device definition list . . . . . . . . . . 173 Volume label fields . . . . . . . . . . 179 I/O feedback area . . . . . . . . . . . . 179 Common I/O feedback area . . . . . . . 179 I/O feedback area for ICF and display files . . 185 I/O feedback area for printer files . . . . . 188 I/O feedback area for database files . . . . . 189 Get attributes feedback area . . . . . . . 190 Appendix B. Double-byte character set support . . . . . . . . . . . . 197 Double-byte character set fundamentals . . . . 197 DBCS code scheme . . . . . . . . . . 198 Shift-control double-byte characters . . . . . 201 Invalid double-byte code and undefined double-byte code . . . . . . . . . . . 202 Using double-byte data . . . . . . . . . 202 Double-byte character size . . . . . . . . 202 Processing double-byte characters . . . . . . 203 Basic double-byte characters . . . . . . . 203 Extended double-byte characters . . . . . . 203 What happens when extended double-byte characters are not processed . . . . . . . 203 DBCS device file support . . . . . . . . . 204 What a DBCS file is . . . . . . . . . . 204 When to indicate a DBCS file . . . . . . . 204 How to indicate a DBCS file . . . . . . . 204 Improperly indicated DBCS files . . . . . . 206 DBCS display support . . . . . . . . . . 208 Inserting shift-control double-byte characters 208 Number of displayed extended double-byte characters . . . . . . . . . . . . . 208 Number of DBCS input fields on a display . . 208 Effects of displaying double-byte data at alphanumeric work stations . . . . . . . 209 Copying DBCS files . . . . . . . . . . . 209 Copying spooled DBCS files . . . . . . . 209 Copying nonspooled DBCS files . . . . . . 209 Application program considerations for DBCS . . 211 Designing application programs that process double-byte data . . . . . . . . . . . 211 Changing alphanumeric application programs to DBCS application programs . . . . . . . 211 DBCS font tables . . . . . . . . . . . . 212 Commands for DBCS font tables . . . . . . 212 Finding out if a DBCS font table exists . . . . 213 Copying a DBCS font table onto tape or diskette 213 Copying a DBCS font table from tape or diskette . . . . . . . . . . . . . . 214 Deleting a DBCS font table . . . . . . . . 214 Starting the character generator utility for DBCS font tables . . . . . . . . . . . . . 215 Copying user-defined double-byte characters 215 DBCS font files . . . . . . . . . . . . . 216 DBCS sort tables . . . . . . . . . . . . 216 Commands for DBCS sort tables . . . . . . 217 Using DBCS sort tables on the system . . . . 217 Finding out if a DBCS sort table exists . . . . 218 Saving a DBCS sort table onto tape or diskette 218 Restoring a DBCS sort table from tape or diskette . . . . . . . . . . . . . . 218 Copying a Japanese DBCS master sort table to a data file . . . . . . . . . . . . . . 218 Copying a Japanese DBCS master sort table from a data file. . . . . . . . . . . . 219 Deleting a DBCS sort table . . . . . . . . 220 DBCS conversion dictionaries . . . . . . . . 221 System-supplied dictionary (for Japanese use only) for DBCS . . . . . . . . . . . . 221 User-created dictionary for DBCS. . . . . . 222 Commands for DBCS conversion dictionaries 222 Displaying and printing the DBCS conversion dictionary . . . . . . . . . . . . . 227 Deleting a DBCS conversion dictionary . . . . 227 DBCS conversion (for Japanese use only) . . . . 228 Where you can use DBCS Conversion . . . . 228 How DBCS Conversion works. . . . . . . 229 Using DBCS Conversion. . . . . . . . . 229 Performing DBCS Conversion . . . . . . . 229 Bibliography. . . . . . . . . . . . 237 Index . . . . . . . . . . . . . . . 241 Contents v
Page 1: AS/400e File Management Version 4
Page 4 and 5: © Copyright International Business
Page 8 and 9: vi File Management V4R5
Page 10 and 11: viii File Management V4R5
Page 12 and 13: 2 File Management V4R5 v Distribute
Page 14 and 15: Table 1. File Types and Their Main
Page 16 and 17: Table 2. High-Level Languages and T
Page 18 and 19: | | Table 3. High-Level Languages a
Page 20 and 21: Add Add new records to the file. Up
Page 22 and 23: | Sharing files 12 File Management
Page 24 and 25: 14 File Management V4R5 For example
Page 26 and 27: 16 File Management V4R5 File resour
Page 28 and 29: 18 File Management V4R5 v “Displa
Page 30 and 31: Application 1 Application 2 Applica
Page 32 and 33: 22 File Management V4R5 LVLCHK(*NO)
Page 34 and 35: The open feedback area also contain
Page 36 and 37: 26 File Management V4R5 Table 6. OS
Page 38 and 39: 28 File Management V4R5 Table 7. Ma
Page 40 and 41: 30 File Management V4R5 Depending o
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Page 44 and 45: 34 File Management V4R5 Handling ov
Page 46 and 47: 36 File Management V4R5 output queu
Page 48 and 49: 38 File Management V4R5 The followi
Page 50 and 51: 40 File Management V4R5 application
Page 52 and 53: 42 File Management V4R5 activation
Page 54 and 55: Program A (in user default activati
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46 File Management V4R5 Override 1
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48 File Management V4R5 same call l
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50 File Management V4R5 Program A .
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52 File Management V4R5 Applying OV
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Deleting overrides 54 File Manageme
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Program A (in user default activati
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58 File Management V4R5 Displaying
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60 File Management V4R5 Command 7 d
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62 File Management V4R5 Display All
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Redirecting files 64 File Managemen
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66 File Management V4R5 Default act
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68 File Management V4R5 From Databa
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Copying files: overview 70 File Man
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72 File Management V4R5 Table 9. Co
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Table 10. Summary of Copy Functions
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76 File Management V4R5 Copying fil
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Resending copy file completion mess
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80 File Management V4R5 from-file m
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CPYSRCF command support for CCSIDs
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90 File Management V4R5 Copying onl
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Selecting the records to copy 92 Fi
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94 File Management V4R5 Selecting r
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96 File Management V4R5 Example: bu
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98 File Management V4R5 When you sp
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100 File Management V4R5 A field na
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102 File Management V4R5 v “Null-
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104 File Management V4R5 - INCCHAR(
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When you specify PRINT(*EXCLD), the
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Note: It is possible for files with
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110 File Management V4R5 Variable-L
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Table 14 on page 112 outlines the c
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114 File Management V4R5 in the cur
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116 File Management V4R5 (including
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Preventing errors when copying file
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elationship. However, the copy oper
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Preventing allocation errors when c
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128 File Management V4R5 - A depend
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Year 2000 support: date, time, and
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FLD TYPE DATFMT SPECIFIED FIELD LEN
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Restrictions for Year 2000 support
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| | | | | | | | | | AS/400 supports
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| | | | | | | | | | | | | | | | | |
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Using the Copy From Import File (CP
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externally described database file
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144 File Management V4R5 v Two adja
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- Description: This Field Definitio
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Date Fields All date formats suppor
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150 File Management V4R5 Figure 14
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devices that process the same type
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Default system output queues 154 Fi
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Spooling writers 156 File Managemen
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value of *OWNER indicates that only
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160 File Management V4R5 You can us
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162 File Management V4R5 QFNC Finan
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164 File Management V4R5 If a job b
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Spooling subsystem 166 File Managem
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168 File Management V4R5 the DLTSPL
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Table 20. Open Feedback Area (conti
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Table 20. Open Feedback Area (conti
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Table 21. Device Definition List (c
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Table 23. Common I/O Feedback Area
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Table 24. I/O Feedback Area for ICF
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Table 24. I/O Feedback Area for ICF
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Table 26. I/O Feedback Area for Dat
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Table 27. Get Attributes (continued
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(SBCS) A B 1 2 1-Byte Code X’C1
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200 File Management V4R5 Table 28.
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Invalid double-byte code and undefi
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DBCS device file support 204 File M
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206 File Management V4R5 - Create D
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DBCS display support 208 File Manag
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210 File Management V4R5 When you c
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DBCS font tables 212 File Managemen
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214 File Management V4R5 CPYIGCTBLI
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DBCS font files DBCS sort tables 21
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Finding out if a DBCS sort table ex
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220 File Management V4R5 v When you
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User-created dictionary for DBCS 22
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Work with DBCS conversion dictionar
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another alphanumeric entry in the e
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Figure 22. Display Produced by the
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230 File Management V4R5 1. Positio
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Figure 23. Example Screen 1 Positio
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Figure 27. Example Screen 5 234 Fil
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236 File Management V4R5 - If you t
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contains information on data descri
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240 File Management V4R5
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CHGWTR (Change Writer) command 157
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command, CL 160, 212 (continued) Tr
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DBCS conversion dictionary (continu
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file object authority 8 file proces
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output queue (continued) changing 1
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estriction DBCS files 206 deleting
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WRKOUTQD (Work with Output Queue De
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