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Annotation of 43BSD/ingres/source/READ_ME, revision 1.1

1.1     ! root        1: The source code for the INGRES system lives in this directory.
        !             2: 
        !             3: RECOMPILATION
        !             4: 
        !             5: To recompile the system, do:
        !             6: 
        !             7:        su ingres
        !             8:        cd conf; make allclean allinstall
        !             9: 
        !            10: This will clean out all objects from everywhere and then recompile
        !            11: and install the entire system.  This can be expected to take about
        !            12: 1.5 hours. Note that all files and dirs should be owned by user
        !            13: "ingres" and group "ingres".
        !            14: 
        !            15: ROAD MAP
        !            16: 
        !            17: conf
        !            18:        Configuration files for the system.  This is the "main"
        !            19:        directory -- the Makefile in this directory applies to
        !            20:        the entire system, rather than just the particular module.
        !            21: ctlmod
        !            22:        The control module.  This module provides interprocess
        !            23:        communication and provides certain system functions.  It
        !            24:        might be considered the "kernel" of the system.
        !            25: dbu
        !            26:        Database utilities.  These are things like print, help,
        !            27:        copy, ksort, etc.
        !            28: decomp
        !            29:        Decomposition.  This module does query optimization.
        !            30: equel
        !            31:        The EQUEL preprocessor.
        !            32: gutil
        !            33:        General utilities.  These are not particular to INGRES,
        !            34:        although they were written for INGRES.
        !            35: h
        !            36:        Header files.
        !            37: iutil
        !            38:        INGRES utilities.  This includes the old "access" library.
        !            39:        This directory has the access methods and utility routines
        !            40:        that are used throughout INGRES, but have no meaning outside
        !            41:        of the INGRES context.
        !            42: libq
        !            43:        The EQUEL runtime support.
        !            44: monitor
        !            45:        The terminal monitor (front end).
        !            46: ovqp
        !            47:        One Variable Query Processor.  This is the "search engine"
        !            48:        (basically a big interpreter).
        !            49: parser
        !            50:        The parser.  Takes text and produces query trees.
        !            51: qrymod
        !            52:        Query Modification.  This module supports views, integrity,
        !            53:        and protection.
        !            54: support
        !            55:        All programs that are to be run from the shell are in this
        !            56:        directory.
        !            57: 
        !            58: Note for SUN users:
        !            59:        This release will compile on the SUN workstation but it is
        !            60: untested and known to have problems with equel programs.  To compile
        !            61: for the SUN add 'CPUTYPE=SUN' to the make command or change
        !            62: conf/Makefile.
        !            63: 
        !            64: Known bugs:
        !            65:        There is only one known bug with this version of INGRES on
        !            66: VAXs running 4.3 BSD UNIX.  The bug is as follows:
        !            67: The quel statement
        !            68: retrieve (a.foo) where count(a.bar by a.foo)=max(count(a.bar by a.foo))
        !            69: will work but
        !            70: retrieve (a.foo) where max(count(a.bar by a.foo))=count(a.bar by a.foo)
        !            71: will not.  In general the problem is in queries with clauses of the
        !            72: form simpleagg(aggfunc())=thesameaggfunc() as such a clause does not
        !            73: connect the 'by' clause of the aggfunc with the rest of the query.
        !            74: 
        !            75: On the SUN many bugs are known but the system and the system is barely
        !            76: functional.  Serious use of this version of INGRES on the SUN is
        !            77: discouraged.

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