Exemple #1
0
bool
rFqur_set()
{
	/* internal declarations */

	i4		sequence;		/* current seq in QUR array */
	register QUR	*qur;			/* fast ptr to QUR array */
	i4		rfq_parse_state;	/*
						** Scanning state for where
						** clause.
						*/
	i4		type;			/* Token type returned	*/
	bool		rfq_error;		/* TRUE if parse error occurs*/
	i4		ord;			/* ordinal of attribute */
	COPT		*copt;			/* Copt structure */
	char 		*qual;			/* Pointer to qualification */
	char 		*n_qual;		/*
						** Pointer to qualification
						** after skip to any parens
						** for JoinDef
						*/
	char		chk_char;		/*
						** Hold current char to check
						** for comments.
						*/
	char		rvar[FE_UNRML_MAXNAME+1];
						/* Range Var name in where */
	char		attname[FE_UNRML_MAXNAME+1];
						/* Attribute name in where */
	char		ColName[FE_MAXNAME+1];	/* RBF Internal column name */
	FE_RSLV_NAME	rfq_ferslv;		/*
						** Work struct to decompose
						** compound identifiers.
						*/


	/* start of routine */

#	ifdef	xRTR1
	if (TRgettrace(200,0))
	{
		SIprintf(ERx("rFqur_set: entry.\r\n"));
	}
#	endif


	qual = NULL;
	for (sequence = 1,qur = Ptr_qur_arr; sequence <= En_qcount;
	     qur++,sequence++)
	{	
		CVlower(qur->qur_section);
		if (STcompare(qur->qur_section,NAM_WHERE) == 0)
		{	
			_VOID_ rfNextQueryLine(&qual, qur->qur_text);
		}
	}


	/*
	** If we are here when creating a new report, we don't have 
	** any selection criteria to look for.
	*/
	if  (qual == NULL)
	{
		return(TRUE);
	}
	if  (*qual == EOS)
	{
		_VOID_ MEfree((PTR)qual);
		return(TRUE);
	}

	/*
	** If the source of data is a JoinDef, we need to skip over 
	** the part of the qualification that defines the join.  So, find
	** any open parenthesis - if none, then no selection criteria exist.
	** Otherwise, reset the qual pointer to the open parens.
	*/
	n_qual = qual;
	if  ((En_SrcTyp == JDRepSrc) &&
	     ((n_qual = STindex(qual,ERx("("),0)) == NULL))
	{
		return(TRUE);
	}

	r_g_set(n_qual);
	rfq_error = FALSE;
	rfq_parse_state = FIND_OPAREN;
	/*
	** Note that the parse state won't change until we first see
	** an open parens.
	*/
	while ((!rfq_error) && ((type = r_g_skip()) != TK_ENDSTRING))
	{
		switch(type)
		{
		case(TK_ALPHA):
		case(TK_QUOTE):
			if  (type == TK_QUOTE)
			{
				/*
				** Check for QUEL string constant first,
				** then check for disallowed delimited
				** identifier.
				*/
				if  (En_qlang == FEDMLQUEL)
				{
					_VOID_ MEfree((PTR)r_g_string(
								TK_QUOTE));
					break;
				}
				else if (!Rbf_xns_given)
				{
					rfq_error = TRUE;
					break;
				}
			}
			rfq_ferslv.name = r_g_ident(TRUE);
			/*
			** Handle the relation operator 'LIKE' if
			** that's what we're looking for.  Note that
			** for it to be a valid identifier, it would have
			** to be in quotes!
			*/
			if ((rfq_parse_state == FIND_GREATER) &&
			    (STbcompare(rfq_ferslv.name,
				       STlength(rfq_ferslv.name),
				       ERx("like"),
				       STlength(ERx("like")),TRUE) == 0))
			{
				rfq_parse_state = FIND_OPAREN;
				_VOID_ MEfree((PTR)rfq_ferslv.name);
				break;
			}
			/*
			** Handle the start of the UNION SELECT clause - 
			** it means that we're all done.  However, unless the
			** state is FIND_OPAREN, then we have an error which
			** the subsequent identifier check will catch (failed
			** for the identifier being a reserved word).  Note
			** that for it to be a valid identifier, it would have
			** to be in quotes!
			*/
			if ((rfq_parse_state == FIND_OPAREN) &&
			    (STbcompare(rfq_ferslv.name,
				       STlength(rfq_ferslv.name),
				       ERx("union"),
				       STlength(ERx("union")),TRUE) == 0))
			{
				_VOID_ MEfree((PTR)rfq_ferslv.name);
				_VOID_ MEfree((PTR)qual);
				return(TRUE);
			}
			/*
			** Keep skipping unless we're looking for an
			** identifier.  This will handle LOGICALS like
			** AND, OR, etc., as well as right side expressions.
			*/
			if  (rfq_parse_state != FIND_IDENT)
			{
				_VOID_ MEfree((PTR)rfq_ferslv.name);
				break;
			}
			rfq_ferslv.name_dest = &attname[0];
			rfq_ferslv.owner_dest = &rvar[0];
			rfq_ferslv.is_nrml = FALSE;
			FE_decompose(&rfq_ferslv);
			if  ((IIUGdlm_ChkdlmBEobject(rfq_ferslv.name_dest,
						     rfq_ferslv.name_dest,
						     rfq_ferslv.is_nrml)
					 == UI_BOGUS_ID) ||
			     ((rfq_ferslv.owner_spec) &&
			      (IIUGdlm_ChkdlmBEobject(rfq_ferslv.owner_dest,
						      rfq_ferslv.owner_dest,
						      rfq_ferslv.is_nrml)
					 == UI_BOGUS_ID)))
			{
				rfq_error = TRUE;
				_VOID_ MEfree((PTR)rfq_ferslv.name);
				break;
			}
			if (En_SrcTyp == JDRepSrc)
			{
			    if (!r_JDMaintAttrList(JD_ATT_GET_ATTR_NAME,
						   &rvar[0],&attname[0],
						   &ColName[0]))
			    {
				/*
				** Why doesn't this result in the fatal error
				** that a parse failure would?  The 6.4 version
				** would actually fail here if a UNION SELECT
				** was present and return - rFdisplay() does
				** not check the return code.  Since we now
				** handle the end of the WHERE clause in a more
				** sane manner, maybe this should be a fatal
				** error ...
				*/
				_VOID_ MEfree((PTR)rfq_ferslv.name);
				_VOID_ MEfree((PTR)qual);
				return(FALSE);
			    }
			    STcopy(&ColName[0],&attname[0]);
			}
			ord = r_mtch_att(&attname[0]);
			if (ord < 0)
			{
			    /* Bad attribute name */
			    IIUGerr(E_RF003A_rFqur_set__Bad_attrib, 
				    UG_ERR_FATAL,1,&attname[0]);
			}
			/*
			** Set the column options of the attribute.  We assume
			** its a value until/unless we find a range indicator.
			*/
			copt = rFgt_copt(ord);
			copt->copt_select = 'v';
			rfq_parse_state = FIND_GREATER;
			_VOID_ MEfree((PTR)rfq_ferslv.name);
			break;

		case(TK_OPAREN):
			CMnext(Tokchar);        /* Skip the paren	*/
			if  (rfq_parse_state == FIND_OPAREN)
			{
				rfq_parse_state = FIND_IDENT;
				break;
			}
			/*
			** Ignore open parens unless we're specifically
			** looking for them.  This handles instances of
			** min(), max(), etc.
			*/
			break;

		case(TK_CPAREN):
			CMnext(Tokchar);        /* Skip the paren	*/
			if ((rfq_parse_state == FIND_CPAREN) &&
			    (copt != (COPT *)NULL) &&
			    (copt->copt_select == 'r'))
			{
				rfq_parse_state = FIND_2CPAREN;
			    	copt = (COPT *)NULL;
				break;
			}
			if  (rfq_parse_state == FIND_2CPAREN)
			{
				rfq_parse_state = FIND_OPAREN;
				break;
			}
			/*
			** Ignore closing parens unless we're specifically
			** looking for them.  This also handles instances of
			** min(), max(), etc.
			*/
			break;

		case(TK_EQUALS):
		case(TK_RELOP):
			CMnext(Tokchar);        /* Skip the relation operator */
			/*
			** Handle '!=', '>=', '<=' compound operators
			*/
			if  (*Tokchar == '=')
			{
				CMnext(Tokchar);
			}
			if  (rfq_parse_state == FIND_GREATER)
			{
				if  (type == TK_RELOP)
				{
					/* Must be a range of values */
					copt->copt_select = 'r';
					rfq_parse_state = FIND_CPAREN;
				}
				else
				{
					rfq_parse_state = FIND_OPAREN;
				}
			}
			break;

		case(TK_SQUOTE):
			CMnext(Tokchar);
			/*
			** Handle single quoted string values atomically so
			** we don't get confused by their containing parens,
			** etc.
			*/
			_VOID_ MEfree((PTR)r_g_string(TK_SQUOTE));
			break;

		case(TK_DOLLAR):
			CMnext(Tokchar);
			/*
			** Handle variables independently from identifiers so
			** we don't get confused by something like '$like'.
			** Additionally, allow compound constructs so we don't
			** get confused by something like "$abc.columnname".
			** Note that this compound construct should only result
			** from user modifications, and is detrimental only
			** when the state is FIND_IDENT - we won't assign any
			** ColumnOptions to columnname.
			*/
			_VOID_ MEfree((PTR)r_g_ident(TRUE));
			break;

		default:
			/*
			** We should only really be here if we see the start
			** of a comment ...
			*/
			chk_char = *Tokchar;
			CMnext(Tokchar);
			if  ((chk_char == '/') && (*Tokchar == '*'))
			{
				/*
				** Note the implication that a comment may not
				** "interrupt" the WHERE clause.  If we
				** allowed one to, then we'd have to add
				** comment recognition to the entire parse
				** loop to avoid being confused!
				*/
				_VOID_ MEfree((PTR)qual);
				return(TRUE);
			}
			break;
		}
	}


	if ((rfq_error) || (rfq_parse_state != FIND_OPAREN))
	{
	    IIUGerr(E_RF003B_rFqur_set__Bad_where_,UG_ERR_FATAL,0);
	}

	_VOID_ MEfree((PTR)qual);

	return(TRUE);
}
Exemple #2
0
VOID
r_rep_load ()
{
	char    *outname;
	char    *tempname;


	/* start of routine */

	r_open_db();		/* open database. If not there, abort */

	STtrmwhite(En_report);

	/* start object-oriented facility for retrieving reports */
	IIOOinit((OO_OBJECT **)NULL);

	En_rid = -1;

	/* set up report environment. */
	if (St_style==RS_NULL && (St_ispec || r_env_set()))
	{	/* report found.  Read in report specifications */
		if (!St_silent)
		{
			SIprintf(ERget(F_RW0005_Reading_report_spec));
			SIflush(stdout);
		}

		r_rco_set();	/* read in the RCOMMANDS table into core */
	}
	else
	{	/* no report found.  Use report name */
		if (St_repspec)
		{	/* error because report does not exist */
			r_error(0x3F7, FATAL, En_report, NULL);
		}
		En_rtype = RT_DEFAULT;
		En_ferslv.name = En_report;
		if  ((En_ferslv.name_dest = (char *)FEreqmem((u_i4)Rst4_tag,
		     (u_i4)(FE_MAXNAME+1),TRUE,(STATUS *)NULL)) == NULL)
		{
			IIUGbmaBadMemoryAllocation(
					ERx("r_rep_loadld - name_dest"));
		}

		if  ((En_ferslv.owner_dest = (char *)FEreqmem((u_i4)Rst4_tag,
		     (u_i4)(FE_MAXNAME+1),TRUE,(STATUS *)NULL)) == NULL)
		{
			IIUGbmaBadMemoryAllocation(
					ERx("r_rep_loadld - owner_dest"));
		}
		/*
		** If the server supports delimited identifiers, then
		** ensure that .DELIMID is enabled since we're doing a report
		** based upon a table, and it may require such services.
		*/
		if  (IIUIdlmcase() != UI_UNDEFCASE)
		{
			St_xns_given = TRUE;
		}
	}

	/*
	** set up (and maybe prompt for) declared variables
	*/
	r_dcl_set(TRUE);

        if ((En_qlang == FEDMLSQL) && (IIUIdbdata()->firstAutoCom == FALSE))
	{
		IIUIautocommit(UI_AC_OFF);
	}

	if( r_sc_qry(Ptr_set_top) == FAIL )
	{
		return;
	}
    
	IIUIdlmcase();          /* Hack for bug 96801 ingcbt198 */

	if(!r_chk_dat())		/* check for a valid data relation */
	{
		return;
	}


	if( !r_sendqry())/* send the query to the backend */
	{
		return;
	}
	

	if (!r_att_dflt())	/* set up ATT structures for each */
	{			/* attribute in the data relation */
		return;
	}


	if (En_rtype == RT_DEFAULT)
	{	/* set up the default report */
		if (!St_silent)
		{
			SIprintf(ERget(F_RW0006_Setting_up_default));
			SIflush(stdout);
		}

		/* Set up first column as a sort column */

		if  (!r_m_dsort())
		{
			r_error(0x416,NONFATAL,NULL);
			return;
		}
	}

	if (!r_srt_set())		/* set up the SORT data structures */
	{	/* bad RSORT */
		r_error(0x0C, FATAL, NULL);
	}
	/* set up the BRK data structures
	** for each sort attribute with a
	** RACTION tuple defined for it
	*/
	if( !r_brk_set())	
	{
		return;
	}


	/* 
	** If there is a .PAGEWIDTH command and no -l flag has been specified 
	** on the commandline, then reset En_lmax. (The -l flag overrides the 
	** .PAGEWIDTH command). (#129, #588)
	*/
        if( STlength(En_pg_width) > 0 && !St_lspec)
	{
		/* If the pagewidth value is preceded by
		* a dollar, evaluate it as a parameter
		*/
		r_g_set(En_pg_width);
		if( r_g_skip() == TK_DOLLAR )
		{
			CMnext(Tokchar);
			outname = r_g_name();
			if( (tempname = r_par_get(outname)) == NULL )
			{
				r_error(0x3F0, FATAL, outname, NULL);
			}
			STcopy(tempname, En_pg_width);
		}
		/* need to convert to a number and set it to En_lmax */
		if (CVan(En_pg_width, &En_lmax) != OK)
		{
			/* Unable to convert so ignore input */
			r_error(0x403, NONFATAL, outname, NULL);
		}
	}
		
	if (En_rtype == RT_DEFAULT)
	{	/* set up default report */
		r_m_rprt();
	}
	else
	{
		Tcmd_tag = FEbegintag();
		r_tcmd_set();		/* set up the tcmd data structures */
		FEendtag();
	}


	r_lnk_agg();		/* set up the CLR and OP structures for
				** fast processing of aggregates.
				*/

	return;
}
Exemple #3
0
VOID
r_p_begin()
{
	/* internal declarations */

	char		*aname;			/* name of found attribute */
	char		*delim;
	i4		type;			/* token type */

	/* start of routine */


	if ((type = r_g_skip()) != TK_ENDSTRING)
	{
		switch (type)
		{
			case(TK_ALPHA):
				aname = r_g_name();
				CVlower(aname);
				/* for begin rbfaggs strip agg # */
				/* nop for others		 */
				switch(r_gt_code(aname))
				{
					case(C_WITHIN):
						r_p_within();
						break;

					case(C_BLOCK):
						r_p_flag(P_BLOCK);
						break;

					case(C_FF):
						/* for the hell of it */
						r_p_flag(P_FF);
						break;

					case(C_UL):
						/* for the hell of it */
						r_p_flag(P_UL);
						break;

				/* the rest are RBF internal commands */

					case(C_RBFAGGS):
						/* start of aggs */
						r_p_flag(P_RBFAGGS);
						break;

					case(C_RBFFIELD):
						/* start of field */
						r_p_flag(P_RBFFIELD);
						break;

					case(C_RBFHEAD):
						/* start of column head */
						r_p_flag(P_RBFHEAD);
						break;

					case(C_RBFPBOT):
						/* start of page bottom */
						r_p_flag(P_RBFPBOT);
						break;

					case(C_RBFPTOP):
						/* start of page top */
						r_p_flag(P_RBFPTOP);
						break;

					case(C_RBFSETUP):
						/* start of report setup */
						r_p_flag(P_RBFSETUP);
						break;

					case(C_RBFTITLE):
						/* start of report title */
						r_p_flag(P_RBFTITLE);
						break;

					case(C_RBFTRIM):
						/* start of trim */
						r_p_flag(P_RBFTRIM);
						break;

					default:
						r_p_flag(P_NOOP);
						break;
				}
				break;

			default:
				r_p_flag(P_NOOP);
				break;

		}
		return;
	}

	/* only a plain old .BEGIN will get here */

	Cact_tcmd->tcmd_code = P_BEGIN;

	return;
}