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Annotation of 43BSD/ingres/doc/other/v710v81diff.nr, revision 1.1

1.1     ! root        1: .ds HE 'Version 8.1 Changes'INGRES'Page %'
        !             2: .so nmacs
        !             3: Version 8.1 of INGRES is functionaly upward compatible
        !             4: with version 7.10 of INGRES.
        !             5: .sh 1
        !             6: Monitor
        !             7: .dn
        !             8: Escaped characters.
        !             9: .PS
        !            10: The INGRES monitor used to interpret \\g as meaning "go", no matter
        !            11: how it was escaped. You can now send a \\g as part of a string.
        !            12: For example:
        !            13: .nf
        !            14: 
        !            15: replace e (string ="quel statment\\\\g") where e.number = 4
        !            16: 
        !            17: .fi
        !            18: .sh
        !            19: Nested includes
        !            20: .PS
        !            21: A bug in the monitor which caused a "longjmp botch" if there were a
        !            22: recursive include followed by a user interrupt has been fixed.
        !            23: 
        !            24: .sh 1
        !            25: Equel
        !            26: .dn
        !            27: Error Messages
        !            28: .PS
        !            29: The EQUEL precompiler now produces error messages that the
        !            30: UNIX utility "error(1)" can understand.
        !            31: 
        !            32: .sh
        !            33: Exit Value
        !            34: .PS
        !            35: The EQUEL precompiler now exits with a non-zero status if it finds any
        !            36: errors.
        !            37: 
        !            38: .sh
        !            39: Param Commands
        !            40: .PS
        !            41: A bug in the param command which caused the last request to be
        !            42: lost has been fixed.
        !            43: .sh 1
        !            44: Parser
        !            45: .dn
        !            46: Implicit Range Variables
        !            47: .PS
        !            48: The INGRES system now supports implicit range variables. If you issue
        !            49: a query with an undefined range variable, the system will check to see
        !            50: if there is a relation with the same name as the variable. If there is,
        !            51: it will create a range variable over that relation with the name of the
        !            52: relation.
        !            53: For example:
        !            54: .nf
        !            55: 
        !            56: retrieve ( relation.all ) where relation.relid = "attribute"
        !            57: 
        !            58: .fi
        !            59: .sh
        !            60: Qualification Clauses With And Or Nodes.
        !            61: .PS
        !            62: A bug which caused statements with a qualification clause of the form:
        !            63: .nf
        !            64: 
        !            65: retrieve ( e.all ) where e.a = f.a of (e.b = f.b and e.c = f.c)
        !            66: 
        !            67: .fi
        !            68: to core dump has been fixed.
        !            69: .sh
        !            70: Block Copy of Tids
        !            71: .PS
        !            72: You can now use the copy(QUEL) command to block copy tids out of
        !            73: a relation. You can NOT use the copy command to block copy them in.
        !            74: For example:
        !            75: .nf
        !            76: 
        !            77: copy emp(tid=i4,name=c0,comma=d1,sal=c0,nl=d1) 
        !            78:        into "/mnt/you/yourfile"
        !            79: 
        !            80: .fi
        !            81: .sh
        !            82: New String Manipulation Routines
        !            83: .PS
        !            84: There are now a number of complex string manipulation routines
        !            85: that are available, see quel(QUEL) for details.
        !            86: .sh
        !            87: New Storage Structure
        !            88: .PS
        !            89: There is now a new storage structure "ordered". This structure
        !            90: will guarantee the retrieval order of a relation, see ordered(QUEL)
        !            91: for details.
        !            92: .sh 1
        !            93: Qrymod
        !            94: .dn
        !            95: Range Variables in Views.
        !            96: .PS
        !            97: A bug that caused range variables to disapear after executing a view
        !            98: multiple times has been removed.
        !            99: .sh
        !           100: Protection.
        !           101: .PS
        !           102: A bug which kept some protection definitions from being inserted into
        !           103: the system has been fixed.
        !           104: .sh
        !           105: Integrity.
        !           106: .PS
        !           107: A bug which caused some integrities to be incorrectly stored has been fixed.
        !           108: .sh
        !           109: View Updates.
        !           110: .PS
        !           111: A decision to disallow updates to attributes which define a view has been
        !           112: reversed. That is this now works:
        !           113: .nf
        !           114: 
        !           115: range of e is emp
        !           116: range of d is dept
        !           117: 
        !           118: define view viewdef (name = e.emname,deptname = d.dept, deptno = d.deptno) 
        !           119:        where d.deptno = e.deptno
        !           120: 
        !           121: range of v is viewdef
        !           122: 
        !           123: replace v (v.deptno = 5) where v.deptno = 4
        !           124: .fi
        !           125: 
        !           126: .sh 1
        !           127: Support
        !           128: .dn
        !           129: Purge.
        !           130: .PS
        !           131: Purge will now remove all files when running in the super user mode.
        !           132: .sh
        !           133: Copydb
        !           134: .PS
        !           135: Copydb now works on the vax.
        !           136: .sh
        !           137: Directory Access.
        !           138: .PS
        !           139: The INGRES system now uses the directory handling system supplied with 4.2.
        !           140: .sh
        !           141: Ingconv
        !           142: .PS
        !           143: There is now a program ingconv, which will convert version 7 databases
        !           144: into version 8 databases.
        !           145: .sh 1
        !           146: General
        !           147: .dn
        !           148: Concurrency Control
        !           149: .PS
        !           150: The concurrency control driver is now a user process, rather than a
        !           151: kernel device driver.
        !           152: .sh
        !           153: Sort Function
        !           154: .PS
        !           155: The program ksort which INGRES uses to sort relation has been made
        !           156: part of INGRES. This should cause programs that have sort clauses
        !           157: to run faster.
        !           158: .sh
        !           159: Syserr
        !           160: .PS
        !           161: When INGRES dies because of a fatal error, it uses the function "perror"
        !           162: now, rather then printing the UNIX error number.

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