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Annotation of 43BSD/ingres/source/dbu/resetrel.c, revision 1.1

1.1     ! root        1: # include      <pv.h>
        !             2: # include      <ingres.h>
        !             3: # include      <aux.h>
        !             4: # include      <batch.h>
        !             5: # include      <access.h>
        !             6: # include      <func.h>
        !             7: # include      <sccs.h>
        !             8: 
        !             9: SCCSID(@(#)resetrel.c  8.2     1/15/85)
        !            10: 
        !            11: extern short   tTdbu[];
        !            12: extern int     resetrel();
        !            13: extern int     null_fn();
        !            14: 
        !            15: struct fn_def ResetrFn =
        !            16: {
        !            17:        "RESETREL",
        !            18:        resetrel,
        !            19:        null_fn,                /* initialization function */
        !            20:        null_fn,
        !            21:        NULL,
        !            22:        0,
        !            23:        tTdbu,
        !            24:        100,
        !            25:        'Z',
        !            26:        0
        !            27: };
        !            28: /*
        !            29: **     RESETREL -- will change a relation to an empty heap.  This is only
        !            30: **             to be used on temporary relations and should only be called
        !            31: **             by the DECOMP process.
        !            32: */
        !            33: 
        !            34: resetrel(pc, pv)
        !            35: int    pc;
        !            36: PARM   pv[];
        !            37: 
        !            38: {
        !            39:        extern DESC     Reldes;
        !            40:        DESC            desc;
        !            41:        char            relname[MAXNAME + 4];
        !            42:        long            lnum;
        !            43: 
        !            44:        opencatalog("relation", OR_WRITE);
        !            45:        while (pc-- > 0)
        !            46:        {
        !            47:                if (openr(&desc, OR_RELTID, pv->pv_val.pv_str))
        !            48:                        syserr("RESETREL: openr %s", pv->pv_val.pv_str);
        !            49:                if (!bequal(Usercode, desc.reldum.relowner, sizeof desc.reldum.relowner))
        !            50:                        syserr("RESETREL: not owner of %s", pv->pv_val.pv_str);
        !            51:                ingresname(desc.reldum.relid, desc.reldum.relowner, relname);
        !            52:                if ((desc.relfp = creat(relname, FILEMODE)) < 0)
        !            53:                        syserr("RESETREL: create %s", relname);
        !            54:                lnum = 1;
        !            55:                if (formatpg(&desc, lnum))
        !            56:                        syserr("RESETREL: formatpg %s", relname);
        !            57:                desc.reldum.reltups = 0;
        !            58:                desc.reldum.relspec = M_HEAP;
        !            59:                desc.reldum.relprim = 1;
        !            60:                close(desc.relfp);
        !            61:                if (replace(&Reldes, &desc.reltid, &desc, FALSE) < 0)
        !            62:                        syserr("RESETREL: replace rel %s", relname);
        !            63:                pv++;
        !            64:        }
        !            65:        return (0);
        !            66: 
        !            67: }

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