Example #1
0
void
print_results(DBPROCESS *dbproc) 
{
	static const char empty_string[] = "";
	static const char dashes[] = "----------------------------------------------------------------" /* each line is 64 */
				     "----------------------------------------------------------------"
				     "----------------------------------------------------------------"
				     "----------------------------------------------------------------";
	
	struct METADATA *metadata = NULL, return_status;
	
	struct DATA { char *buffer; int status; } *data = NULL;
	
	struct METACOMP { int numalts; struct METADATA *meta; struct DATA *data; } **metacompute = NULL;
	
	RETCODE erc;
	int row_code;
	int i, c, ret;
	int iresultset;
	int ncomputeids = 0, ncols = 0;
	
	/* 
	 * Set up each result set with dbresults()
	 * This is more commonly implemented as a while() loop, but we're counting the result sets. 
	 */
	fprintf(options.verbose, "%s:%d: calling dbresults OK:\n", options.appname, __LINE__);
	for (iresultset=1; (erc = dbresults(dbproc)) != NO_MORE_RESULTS; iresultset++) {
		if (erc == FAIL) {
			fprintf(stderr, "%s:%d: dbresults(), result set %d failed\n", options.appname, __LINE__, iresultset);
			return;
		}
		
		fprintf(options.verbose, "Result set %d\n", iresultset);
		/* Free prior allocations, if any. */
		fprintf(options.verbose, "Freeing prior allocations\n", iresultset);
		for (c=0; c < ncols; c++) {
			free(metadata[c].format_string);
			free(data[c].buffer);
		}
		free(metadata);
		metadata = NULL;
		free(data);
		data = NULL;
		ncols = 0;
		
		for (i=0; i < ncomputeids; i++) {
			for (c=0; c < metacompute[i]->numalts; c++) {
				free(metacompute[i]->meta[c].name);
				free(metacompute[i]->meta[c].format_string);
			}
			free(metacompute[i]->meta);
			free(metacompute[i]->data);
			free(metacompute[i]);
		}
		free(metacompute);
		metacompute = NULL;
		ncomputeids = 0;
		
		/* 
		 * Allocate memory for metadata and bound columns 
		 */
		fprintf(options.verbose, "Allocating buffers\n", iresultset);
		ncols = dbnumcols(dbproc);	

		metadata = (struct METADATA*) calloc(ncols, sizeof(struct METADATA));
		assert(metadata);

		data = (struct DATA*) calloc(ncols, sizeof(struct DATA));
		assert(data);
		
		/* metadata is more complicated only because there may be several compute ids for each result set */
		fprintf(options.verbose, "Allocating compute buffers\n", iresultset);
		ncomputeids = dbnumcompute(dbproc);
		if (ncomputeids > 0) {
			metacompute = (struct METACOMP**) calloc(ncomputeids, sizeof(struct METACOMP*));
			assert(metacompute);
		}
		
		for (i=0; i < ncomputeids; i++) {
			metacompute[i] = (struct METACOMP*) calloc(ncomputeids, sizeof(struct METACOMP));
			assert(metacompute[i]);
			metacompute[i]->numalts = dbnumalts(dbproc, 1+i);
			fprintf(options.verbose, "%d columns found in computeid %d\n", metacompute[i]->numalts, 1+i);
			if (metacompute[i]->numalts > 0) {
				fprintf(options.verbose, "allocating column %d\n", 1+i);
				metacompute[i]->meta = (struct METADATA*) calloc(metacompute[i]->numalts, sizeof(struct METADATA));
				assert(metacompute[i]->meta);
				metacompute[i]->data = (struct     DATA*) calloc(metacompute[i]->numalts, sizeof(struct     DATA));
				assert(metacompute[i]->data);
			}
		}

		/* 
		 * For each column, get its name, type, and size. 
		 * Allocate a buffer to hold the data, and bind the buffer to the column.
		 * "bind" here means to give db-lib the address of the buffer we want filled as each row is fetched.
		 * TODO: Implement dbcoltypeinfo() for numeric/decimal datatypes.  
		 */

		fprintf(options.verbose, "Metadata\n", iresultset);
		fprintf(options.verbose, "%-6s  %-30s  %-30s  %-15s  %-6s  %-6s  \n", "col", "name", "source", "type", "size", "varys");
		fprintf(options.verbose, "%.6s  %.30s  %.30s  %.15s  %.6s  %.6s  \n", dashes, dashes, dashes, dashes, dashes, dashes);
		for (c=0; c < ncols; c++) {
			int width;
			/* Get and print the metadata.  Optional: get only what you need. */
			char *name = dbcolname(dbproc, c+1);
			metadata[c].name = (name)? name : empty_string;

			name = dbcolsource(dbproc, c+1);
			metadata[c].source = (name)? name : empty_string;

			metadata[c].type = dbcoltype(dbproc, c+1);
			metadata[c].size = dbcollen(dbproc, c+1);
			assert(metadata[c].size != -1); /* -1 means indicates an out-of-range request*/

			fprintf(options.verbose, "%6d  %30s  %30s  %15s  %6d  %6d  \n", 
				c+1, metadata[c].name, metadata[c].source, dbprtype(metadata[c].type), 
				metadata[c].size,  dbvarylen(dbproc, c+1));

			/* 
			 * Build the column header format string, based on the column width. 
			 * This is just one solution to the question, "How wide should my columns be when I print them out?"
			 */
			width = get_printable_size(metadata[c].type, metadata[c].size);
			if (width < strlen(metadata[c].name))
				width = strlen(metadata[c].name);
				
			ret = set_format_string(&metadata[c], (c+1 < ncols)? "  " : "\n");
			if (ret <= 0) {
				fprintf(stderr, "%s:%d: asprintf(), column %d failed\n", options.appname, __LINE__, c+1);
				return;
			}

			/* 
			 * Bind the column to our variable.
			 * We bind everything to strings, because we want db-lib to convert everything to strings for us.
			 * If you're performing calculations on the data in your application, you'd bind the numeric data
			 * to C integers and floats, etc. instead. 
			 * 
			 * It is not necessary to bind to every column returned by the query.  
			 * Data in unbound columns are simply never copied to the user's buffers and are thus 
			 * inaccesible to the application.  
			 */

			data[c].buffer = calloc(1, metadata[c].size);
			assert(data[c].buffer);

			erc = dbbind(dbproc, c+1, STRINGBIND, -1, (BYTE *) data[c].buffer);
			if (erc == FAIL) {
				fprintf(stderr, "%s:%d: dbbind(), column %d failed\n", options.appname, __LINE__, c+1);
				return;
			}

			erc = dbnullbind(dbproc, c+1, &data[c].status);
			if (erc == FAIL) {
				fprintf(stderr, "%s:%d: dbnullbind(), column %d failed\n", options.appname, __LINE__, c+1);
				return;
			}
		}
		
		/* 
		 * Get metadata and bind the columns for any compute rows.
		 */
		for (i=0; i < ncomputeids; i++) {
			fprintf(options.verbose, "For computeid %d:\n", 1+i);
			for (c=0; c < metacompute[i]->numalts; c++) {
				/* read metadata */
				struct METADATA *meta = &metacompute[i]->meta[c];
				int nbylist, ibylist;
				BYTE *bylist;
				char *colname, bynames[256] = "by (";
				int altcolid = dbaltcolid(dbproc, i+1, c+1);
				
				metacompute[i]->meta[c].type = dbalttype(dbproc, i+1, c+1);
				metacompute[i]->meta[c].size = dbaltlen(dbproc, i+1, c+1);

				/* 
				 * Jump through hoops to determine a useful name for the computed column 
				 * If the query says "compute count(c) by a,b", we get a "by list" indicating a & b.  
				 */
				bylist = dbbylist(dbproc, c+1, &nbylist);

				for (ibylist=0; ibylist < nbylist; ibylist++) {
					int ret;
					char *s = strchr(bynames, '\0'); 
					int remaining = bynames + sizeof(bynames) - s;
					assert(remaining > 0);
					ret = snprintf(s, remaining, "%s%s", dbcolname(dbproc, bylist[ibylist]), 
										(ibylist+1 < nbylist)? ", " : ")");
					if (ret <= 0) {
						fprintf(options.verbose, "Insufficient room to create name for column %d:\n", 1+c);
						break;
					}
				}
				
				if( altcolid == -1 ) {
					colname = "*";
				} else {
					colname = metadata[altcolid].name;
				}

				asprintf(&metacompute[i]->meta[c].name, "%s(%s)", dbprtype(dbaltop(dbproc, i+1, c+1)), colname);
				assert(metacompute[i]->meta[c].name);
					
				ret = set_format_string(meta, (c+1 < metacompute[i]->numalts)? "  " : "\n");
				if (ret <= 0) {
					fprintf(stderr, "%s:%d: asprintf(), column %d failed\n", options.appname, __LINE__, c+1);
					return;
				}
				
				fprintf(options.verbose, "\tcolumn %d is %s, type %s, size %d %s\n", 
					c+1, metacompute[i]->meta[c].name, dbprtype(metacompute[i]->meta[c].type), metacompute[i]->meta[c].size, 
					(nbylist > 0)? bynames : "");
	
				/* allocate buffer */
				assert(metacompute[i]->data);
				metacompute[i]->data[c].buffer = calloc(1, metacompute[i]->meta[c].size);
				assert(metacompute[i]->data[c].buffer);
				
				/* bind */
				erc = dbaltbind(dbproc, i+1, c+1, STRINGBIND, -1, metacompute[i]->data[c].buffer);
				if (erc == FAIL) {
					fprintf(stderr, "%s:%d: dbaltbind(), column %d failed\n", options.appname, __LINE__, c+1);
					return;
				}
			}
		}
		
		fprintf(options.verbose, "\n");
		fprintf(options.verbose, "Data\n", iresultset);

		/* Print the column headers to stderr to keep them separate from the data.  */
		for (c=0; c < ncols; c++) {
			char fmt[256] = "%-";
			
			/* left justify the names */
			strcat(fmt, &metadata[c].format_string[1]);
			fprintf(stderr, fmt, metadata[c].name);
		}

		/* Underline the column headers.  */
		for (c=0; c < ncols; c++) {
			fprintf(stderr, metadata[c].format_string, dashes);
		}

		/* 
		 * Print the data to stdout.  
		 */
		while ((row_code = dbnextrow(dbproc)) != NO_MORE_ROWS) {
			switch (row_code) {
			case REG_ROW:
				for (c=0; c < ncols; c++) {
					switch (data[c].status) { /* handle nulls */
					case -1: /* is null */
						/* TODO: FreeTDS 0.62 does not support dbsetnull() */
						fprintf(stdout, metadata[c].format_string, "NULL");
						break;
					case 0:
					/* case >1 is datlen when buffer is too small */
					default:
						fprintf(stdout, metadata[c].format_string, data[c].buffer);
						break;
					}
				}
				break;
				
			case BUF_FULL:
				assert(row_code != BUF_FULL);
				break;
				
			default: /* computeid */
				fprintf(options.verbose, "Data for computeid %d\n", row_code);
				for (c=0; c < metacompute[row_code-1]->numalts; c++) {
					char fmt[256] = "%-";
					struct METADATA *meta = &metacompute[row_code-1]->meta[c];
					
					/* left justify the names */
					strcat(fmt, &meta->format_string[1]);
					fprintf(stderr, fmt, meta->name);
				}

				/* Underline the column headers.  */
				for (c=0; c < metacompute[row_code-1]->numalts; c++) {
					fprintf(stderr, metacompute[row_code-1]->meta[c].format_string, dashes);
				}
					
				for (c=0; c < metacompute[row_code-1]->numalts; c++) {
					struct METADATA *meta = &metacompute[row_code-1]->meta[c];
					struct     DATA *data = &metacompute[row_code-1]->data[c];
					
					switch (data->status) { /* handle nulls */
					case -1: /* is null */
						/* TODO: FreeTDS 0.62 does not support dbsetnull() */
						fprintf(stdout, meta->format_string, "NULL");
						break;
					case 0:
					/* case >1 is datlen when buffer is too small */
					default:
						fprintf(stdout, meta->format_string, data->buffer);
						break;
					}
				}
			}


		}

		/* Check return status */
		fprintf(options.verbose, "Retrieving return status... ");
		if (dbhasretstat(dbproc) == TRUE) {
			fprintf(stderr, "Procedure returned %d\n", dbretstatus(dbproc));
		} else {
			fprintf(options.verbose, "none\n");
		}
		
		/* 
		 * Get row count, if available.   
		 */
		if (DBCOUNT(dbproc) > -1)
			fprintf(stderr, "%d rows affected\n", DBCOUNT(dbproc));
			

		/* 
		 * Check return parameter values 
		 */
		fprintf(options.verbose, "Retrieving output parameters... ");
		if (dbnumrets(dbproc) > 0) {
			for (i = 1; i <= dbnumrets(dbproc); i++) {
				char parameter_string[1024];
				
				return_status.name = dbretname(dbproc, i);
				fprintf(stderr, "ret name %d is %s\n", i, return_status.name);
				
				return_status.type = dbrettype(dbproc, i);
				fprintf(options.verbose, "\n\tret type %d is %d", i, return_status.type);
				
				return_status.size = dbretlen(dbproc, i);
				fprintf(options.verbose, "\n\tret len %d is %d\n", i, return_status.size);
				
				dbconvert(dbproc, return_status.type, dbretdata(dbproc, i), return_status.size, 
					  SYBVARCHAR, (BYTE *) parameter_string, -1);
				fprintf(stderr, "ret data %d is %s\n", i, parameter_string);
			}
		} else {
			fprintf(options.verbose, "none\n");
		}
	} /* wend dbresults */
	fprintf(options.verbose, "%s:%d: dbresults() returned NO_MORE_RESULTS (%d):\n", options.appname, __LINE__, erc);
}
Example #2
0
static void
print_results(DBPROCESS *dbproc) 
{
	static const char empty_string[] = "";
	static const char dashes[] = "----------------------------------------------------------------" /* each line is 64 */
				     "----------------------------------------------------------------"
				     "----------------------------------------------------------------"
				     "----------------------------------------------------------------";
	
	struct METADATA *metadata = NULL, return_status;
	
	struct DATA { char *buffer; int status; } *data = NULL;
	
	struct METACOMP { int numalts; struct METADATA *meta; struct DATA *data; } **metacompute = NULL;
	
	RETCODE erc;
	int row_code;
	int i, c, ret;
	int iresultset;
	int ncomputeids = 0, ncols = 0;
	

	/* 
	 * If using default column separator, we want columns to line up vertically, 
	 * 	so we use blank padding (STRINGBIND).  
	 * For any other separator, we use no padding.
	 */
	const int bindtype = (0 == strcmp(options.colsep, default_colsep))? STRINGBIND : NTBSTRINGBIND;
	
	/* 
	 * Set up each result set with dbresults()
	 * This is more commonly implemented as a while() loop, but we're counting the result sets. 
	 */
	fprintf(options.verbose, "%s:%d: calling dbresults: OK\n", options.appname, __LINE__);
	for (iresultset=1; (erc = dbresults(dbproc)) != NO_MORE_RESULTS; iresultset++) {
		if (erc == FAIL) {
			fprintf(stderr, "%s:%d: dbresults(), result set %d failed\n", options.appname, __LINE__, iresultset);
			return;
		}
		
		if (options.pivot.func) {
			const struct key_t *rk = &options.pivot.row_key, *ck = &options.pivot.col_key;
			erc = dbpivot(dbproc, rk->nkeys, rk->keys, ck->nkeys, ck->keys, 
					options.pivot.func, options.pivot.val_col);
		}
		
		fprintf(options.verbose, "Result set %d\n", iresultset);
		/* Free prior allocations, if any. */
		for (c=0; c < ncols; c++) {
			free(metadata[c].format_string);
			free(data[c].buffer);
		}
		free(metadata);
		metadata = NULL;
		free(data);
		data = NULL;
		ncols = 0;
		
		for (i=0; i < ncomputeids; i++) {
			for (c=0; c < metacompute[i]->numalts; c++) {
				free(metacompute[i]->meta[c].name);
				free(metacompute[i]->meta[c].format_string);
			}
			free(metacompute[i]->meta);
			free(metacompute[i]->data);
			free(metacompute[i]);
		}
		free(metacompute);
		metacompute = NULL;
		ncomputeids = 0;
		
		/* 
		 * Allocate memory for metadata and bound columns 
		 */
		fprintf(options.verbose, "Allocating buffers\n");
		ncols = dbnumcols(dbproc);	

		metadata = (struct METADATA*) calloc(ncols, sizeof(struct METADATA));
		assert(metadata);

		data = (struct DATA*) calloc(ncols, sizeof(struct DATA));
		assert(data);
		
		/* metadata is more complicated only because there may be several compute ids for each result set */
		fprintf(options.verbose, "Allocating compute buffers\n");
		ncomputeids = dbnumcompute(dbproc);
		if (ncomputeids > 0) {
			metacompute = (struct METACOMP**) calloc(ncomputeids, sizeof(struct METACOMP*));
			assert(metacompute);
		}
		
		for (i=0; i < ncomputeids; i++) {
			metacompute[i] = (struct METACOMP*) calloc(ncomputeids, sizeof(struct METACOMP));
			assert(metacompute[i]);
			metacompute[i]->numalts = dbnumalts(dbproc, 1+i);
			fprintf(options.verbose, "%d columns found in computeid %d\n", metacompute[i]->numalts, 1+i);
			if (metacompute[i]->numalts > 0) {
				fprintf(options.verbose, "allocating column %d\n", 1+i);
				metacompute[i]->meta = (struct METADATA*) calloc(metacompute[i]->numalts, sizeof(struct METADATA));
				assert(metacompute[i]->meta);
				metacompute[i]->data = (struct     DATA*) calloc(metacompute[i]->numalts, sizeof(struct     DATA));
				assert(metacompute[i]->data);
			}
		}

		/* 
		 * For each column, get its name, type, and size. 
		 * Allocate a buffer to hold the data, and bind the buffer to the column.
		 * "bind" here means to give db-lib the address of the buffer we want filled as each row is fetched.
		 * TODO: Implement dbcoltypeinfo() for numeric/decimal datatypes.  
		 */

		fprintf(options.verbose, "Metadata\n");
		fprintf(options.verbose, "%-6s  %-30s  %-30s  %-15s  %-6s  %-6s  \n", "col", "name", "source", "type", "size", "varies");
		fprintf(options.verbose, "%.6s  %.30s  %.30s  %.15s  %.6s  %.6s  \n", dashes, dashes, dashes, dashes, dashes, dashes);
		for (c=0; c < ncols; c++) {
			/* Get and print the metadata.  Optional: get only what you need. */
			char *name = dbcolname(dbproc, c+1);
			metadata[c].name = strdup(name ? (const char *) name : empty_string);

			name = dbcolsource(dbproc, c+1);
			metadata[c].source = (name)? name : empty_string;

			metadata[c].type = dbcoltype(dbproc, c+1);
			metadata[c].size = dbcollen(dbproc, c+1);
			assert(metadata[c].size != -1); /* -1 means indicates an out-of-range request*/

			fprintf(options.verbose, "%6d  %30s  %30s  %15s  %6d  %6d  \n", 
				c+1, metadata[c].name, metadata[c].source, dbprtype(metadata[c].type), 
				metadata[c].size,  dbvarylen(dbproc, c+1));

			/* 
			 * Build the column header format string, based on the column width. 
			 * This is just one solution to the question, "How wide should my columns be when I print them out?"
			 */
			metadata[c].width = get_printable_size(metadata[c].type, metadata[c].size);
			if (metadata[c].width < strlen(metadata[c].name))
				metadata[c].width = strlen(metadata[c].name);
				
			ret = set_format_string(&metadata[c], (c+1 < ncols)? options.colsep : "\n");
			if (ret <= 0) {
				fprintf(stderr, "%s:%d: asprintf(), column %d failed\n", options.appname, __LINE__, c+1);
				return;
			}

			/* 
			 * Bind the column to our variable.
			 * We bind everything to strings, because we want db-lib to convert everything to strings for us.
			 * If you're performing calculations on the data in your application, you'd bind the numeric data
			 * to C integers and floats, etc. instead. 
			 * 
			 * It is not necessary to bind to every column returned by the query.  
			 * Data in unbound columns are simply never copied to the user's buffers and are thus 
			 * inaccesible to the application.  
			 */

			if (metadata[c].width < INT_MAX) {
				data[c].buffer = calloc(1, 1 + metadata[c].width); /* allow for null terminator */
				assert(data[c].buffer);

				erc = dbbind(dbproc, c+1, bindtype, 0, (BYTE *) data[c].buffer);
				if (erc == FAIL) {
					fprintf(stderr, "%s:%d: dbbind(), column %d failed\n", options.appname, __LINE__, c+1);
					return;
				}

				erc = dbnullbind(dbproc, c+1, &data[c].status);
				if (erc == FAIL) {
					fprintf(stderr, "%s:%d: dbnullbind(), column %d failed\n", options.appname, __LINE__, c+1);
					return;
				}
			} else {
				/* We don't bind text buffers, but use dbreadtext instead. */
				data[c].buffer = NULL;
			}

		}
		
		/* 
		 * Get metadata and bind the columns for any compute rows.
		 */
		for (i=0; i < ncomputeids; i++) {
			fprintf(options.verbose, "For computeid %d:\n", 1+i);
			for (c=0; c < metacompute[i]->numalts; c++) {
				/* read metadata */
				struct METADATA *meta = &metacompute[i]->meta[c];
				int nby, iby;
				BYTE *bylist;
				char *colname, *bynames;
				int altcolid = dbaltcolid(dbproc, i+1, c+1);
				
				metacompute[i]->meta[c].type = dbalttype(dbproc, i+1, c+1);
				metacompute[i]->meta[c].size = dbaltlen(dbproc, i+1, c+1);

				/* 
				 * Jump through hoops to determine a useful name for the computed column 
				 * If the query says "compute count(c) by a,b", we get a "by list" indicating a & b.  
				 */
				bylist = dbbylist(dbproc, c+1, &nby);

				bynames = strdup("by (");
				for (iby=0; iby < nby; iby++) {
					char *s = NULL; 
					int ret = asprintf(&s, "%s%s%s", bynames, dbcolname(dbproc, bylist[iby]), 
										(iby+1 < nby)? ", " : ")");
					if (ret < 0) {
						fprintf(options.verbose, "Insufficient room to create name for column %d:\n", 1+c);
						break;
					}
					free(bynames);
					bynames = s;
				}
				
				if( altcolid == -1 ) {
					colname = "*";
				} else {
					assert(0 < altcolid && altcolid <= dbnumcols(dbproc));
					colname = metadata[--altcolid].name;
				}

				asprintf(&metacompute[i]->meta[c].name, "%s(%s)", dbprtype(dbaltop(dbproc, i+1, c+1)), colname);
				assert(metacompute[i]->meta[c].name);
					
				metacompute[i]->meta[c].width = get_printable_size(metacompute[i]->meta[c].type, 
										   metacompute[i]->meta[c].size);
				if (metacompute[i]->meta[c].width < strlen(metacompute[i]->meta[c].name))
					metacompute[i]->meta[c].width = strlen(metacompute[i]->meta[c].name);

				ret = set_format_string(meta, (c+1 < metacompute[i]->numalts)? options.colsep : "\n");
				if (ret <= 0) {
					free(bynames);
					fprintf(stderr, "%s:%d: asprintf(), column %d failed\n", options.appname, __LINE__, c+1);
					return;
				}
				
				fprintf(options.verbose, "\tcolumn %d is %s, type %s, size %d %s\n", 
					c+1, metacompute[i]->meta[c].name, dbprtype(metacompute[i]->meta[c].type),
					metacompute[i]->meta[c].size, (nby > 0)? bynames : "");
				free(bynames);
	
				/* allocate buffer */
				assert(metacompute[i]->data);
				metacompute[i]->data[c].buffer = calloc(1, metacompute[i]->meta[c].width);
				assert(metacompute[i]->data[c].buffer);
				
				/* bind */
				erc = dbaltbind(dbproc, i+1, c+1, bindtype, -1, (BYTE*) metacompute[i]->data[c].buffer);
				if (erc == FAIL) {
					fprintf(stderr, "%s:%d: dbaltbind(), column %d failed\n", options.appname, __LINE__, c+1);
					return;
				}
			}
		}
		
		fprintf(options.verbose, "\n");
		fprintf(options.verbose, "Data\n");

		if (!options.fquiet) {
			/* Print the column headers to stderr to keep them separate from the data.  */
			for (c=0; c < ncols; c++) {
				fprintf(options.headers, metadata[c].format_string, metadata[c].name);
			}

			/* Underline the column headers.  */
			for (c=0; c < ncols; c++) {
				fprintf(options.headers, metadata[c].format_string, dashes);
			}
		}
		/* 
		 * Print the data to stdout.  
		 */
		while ((row_code = dbnextrow(dbproc)) != NO_MORE_ROWS) {
			switch (row_code) {
			case REG_ROW:
				for (c=0; c < ncols; c++) {
					if (metadata[c].width == INT_MAX) { /* TEXT/IMAGE */
						BYTE *p = dbdata(dbproc, c+1);
						size_t len = dbdatlen(dbproc, c+1);
						if (len == 0) {
							fputs("NULL", stdout);
						} else {
							BYTE *pend = p + len;
							switch(dbcoltype(dbproc, c+1)) {
							case SYBTEXT:
								if (fwrite(p, len, 1, stdout) != 1) {
									perror("could not write to output file");
									exit(EXIT_FAILURE);
								}
								break;
							default:	/* image, binary */
								fprintf(stdout, "0x");
								for (; p < pend; p++) {
									printf("%02hx", (unsigned short int)*p);
								}
								break;
							}
						}
						fprintf(stdout, metadata[c].format_string, ""); /* col/row separator */
						continue;
					}
					switch (data[c].status) { /* handle nulls */
					case -1: /* is null */
						/* TODO: FreeTDS 0.62 does not support dbsetnull() */
						fprintf(stdout, metadata[c].format_string, "NULL");
						break;
					case 0:
					/* case >1 is datlen when buffer is too small */
					default:
						fprintf(stdout, metadata[c].format_string, data[c].buffer);
						break;
					}
				}
				break;
				
			case BUF_FULL:
				assert(row_code != BUF_FULL);
				break;
				
			case FAIL:
				fprintf(stderr, "bsqldb: fatal error: dbnextrow returned FAIL\n");
				assert(row_code != FAIL);
				exit(EXIT_FAILURE);
				break;
				
			default: /* computeid */
				fprintf(options.verbose, "Data for computeid %d\n", row_code);
				for (c=0; c < metacompute[row_code-1]->numalts; c++) {
					char fmt[256] = "%-";
					struct METADATA *meta = &metacompute[row_code-1]->meta[c];
					
					/* left justify the names */
					strcat(fmt, &meta->format_string[1]);
					fprintf(options.headers, fmt, meta->name);
				}

				/* Underline the column headers.  */
				for (c=0; c < metacompute[row_code-1]->numalts; c++) {
					fprintf(options.headers, metacompute[row_code-1]->meta[c].format_string, dashes);
				}
					
				for (c=0; c < metacompute[row_code-1]->numalts; c++) {
					struct METADATA *meta = &metacompute[row_code-1]->meta[c];
					struct     DATA *data = &metacompute[row_code-1]->data[c];
					
					switch (data->status) { /* handle nulls */
					case -1: /* is null */
						/* TODO: FreeTDS 0.62 does not support dbsetnull() */
						fprintf(stdout, meta->format_string, "NULL");
						break;
					case 0:
					/* case >1 is datlen when buffer is too small */
					default:
						fprintf(stdout, meta->format_string, data->buffer);
						break;
					}
				}
			}


		}

		/* Check return status */
		if (!options.fquiet) {
			fprintf(options.verbose, "Retrieving return status... ");
			if (dbhasretstat(dbproc) == TRUE) {
				fprintf(stderr, "Procedure returned %d\n", dbretstatus(dbproc));
			} else {
				fprintf(options.verbose, "none\n");
			}
		}
		
		/* 
		 * Get row count, if available.   
		 */
		if (!options.fquiet) {
			if (DBCOUNT(dbproc) > -1)
				fprintf(stderr, "%d rows affected\n", DBCOUNT(dbproc));
			else 
				fprintf(stderr, "@@rowcount not available\n");
		}			

		/* 
		 * Check return parameter values 
		 */
		fprintf(options.verbose, "Retrieving output parameters... ");
		if (dbnumrets(dbproc) > 0) {
			for (i = 1; i <= dbnumrets(dbproc); i++) {
				char parameter_string[1024];
				
				return_status.name = dbretname(dbproc, i);
				fprintf(stderr, "ret name %d is %s\n", i, return_status.name);
				
				return_status.type = dbrettype(dbproc, i);
				fprintf(options.verbose, "\n\tret type %d is %d", i, return_status.type);
				
				return_status.size = dbretlen(dbproc, i);
				fprintf(options.verbose, "\n\tret len %d is %d\n", i, return_status.size);
				
				dbconvert(dbproc, return_status.type, dbretdata(dbproc, i), return_status.size, 
					  SYBVARCHAR, (BYTE *) parameter_string, -1);
				fprintf(stderr, "ret data %d is %s\n", i, parameter_string);
			}
		} else {
			fprintf(options.verbose, "none\n");
		}
	} /* wend dbresults */
	fprintf(options.verbose, "%s:%d: dbresults() returned NO_MORE_RESULTS (%d):\n", options.appname, __LINE__, erc);
}
Example #3
0
int
main(int argc, char *argv[])
{
	LOGINREC *login;
	DBPROCESS *dbproc;
	int i;
	DBINT rowint;
	DBCHAR rowchar[2];
	DBCHAR rowdate[32];

	DBINT rowtype;
	DBINT computeint;
	DBCHAR computedate[32];

	set_malloc_options();
	read_login_info(argc, argv);

	fprintf(stdout, "Starting %s\n", argv[0]);

	/* Fortify_EnterScope(); */
	dbinit();

	dberrhandle(syb_err_handler);
	dbmsghandle(syb_msg_handler);

	fprintf(stdout, "About to logon\n");

	login = dblogin();
	DBSETLPWD(login, PASSWORD);
	DBSETLUSER(login, USER);
	DBSETLAPP(login, "t0023");

	fprintf(stdout, "About to open\n");

	dbproc = dbopen(login, SERVER);
	if (strlen(DATABASE))
		dbuse(dbproc, DATABASE);
	dbloginfree(login);

	fprintf(stdout, "creating table\n");
	sql_cmd(dbproc);
	dbsqlexec(dbproc);
	while (dbresults(dbproc) == SUCCEED) {
		/* nop */
	}

	fprintf(stdout, "insert\n");

	sql_cmd(dbproc);
	dbsqlexec(dbproc);
	while (dbresults(dbproc) == SUCCEED) {
		/* nop */
	}
	sql_cmd(dbproc);
	dbsqlexec(dbproc);
	while (dbresults(dbproc) == SUCCEED) {
		/* nop */
	}
	sql_cmd(dbproc);
	dbsqlexec(dbproc);
	while (dbresults(dbproc) == SUCCEED) {
		/* nop */
	}
	sql_cmd(dbproc);
	dbsqlexec(dbproc);
	while (dbresults(dbproc) == SUCCEED) {
		/* nop */
	}
	sql_cmd(dbproc);
	dbsqlexec(dbproc);
	while (dbresults(dbproc) == SUCCEED) {
		/* nop */
	}

	fprintf(stdout, "select\n");
	sql_cmd(dbproc);
	dbsqlexec(dbproc);

	if (dbresults(dbproc) != SUCCEED) {
		failed = 1;
		fprintf(stdout, "Was expecting a result set.\n");
		exit(1);
	}

	for (i = 1; i <= dbnumcols(dbproc); i++)
		printf("col %d is %s\n", i, dbcolname(dbproc, i));

	fprintf(stdout, "binding row columns\n");
	if (SUCCEED != dbbind(dbproc, 1, INTBIND, 0, (BYTE *) & rowint)) {
		failed = 1;
		fprintf(stderr, "Had problem with bind col1\n");
		abort();
	}
	if (SUCCEED != dbbind(dbproc, 2, STRINGBIND, 0, (BYTE *) rowchar)) {
		failed = 1;
		fprintf(stderr, "Had problem with bind col2\n");
		abort();
	}
	if (SUCCEED != dbbind(dbproc, 3, STRINGBIND, 0, (BYTE *) rowdate)) {
		failed = 1;
		fprintf(stderr, "Had problem with bind col3\n");
		abort();
	}

	fprintf(stdout, "testing compute clause 1\n");

	if (dbnumalts(dbproc, 1) != 1) {
		failed = 1;
		fprintf(stderr, "Had problem with dbnumalts 1\n");
		abort();
	}

	if (dbalttype(dbproc, 1, 1) != SYBINT4) {
		failed = 1;
		fprintf(stderr, "Had problem with dbalttype 1, 1\n");
		abort();
	}

	if (dbaltcolid(dbproc, 1, 1) != 1) {
		failed = 1;
		fprintf(stderr, "Had problem with dbaltcolid 1, 1\n");
		abort();
	}

	if (dbaltop(dbproc, 1, 1) != SYBAOPSUM) {
		failed = 1;
		fprintf(stderr, "Had problem with dbaltop 1, 1\n");
		abort();
	}

	if (SUCCEED != dbaltbind(dbproc, 1, 1, INTBIND, 0, (BYTE *) & computeint)) {
		failed = 1;
		fprintf(stderr, "Had problem with dbaltbind 1, 1\n");
		abort();
	}


	fprintf(stdout, "testing compute clause 2\n");

	if (dbnumalts(dbproc, 2) != 1) {
		failed = 1;
		fprintf(stderr, "Had problem with dbnumalts 2\n");
		abort();
	}

	if (dbalttype(dbproc, 2, 1) != SYBDATETIME) {
		failed = 1;
		fprintf(stderr, "Had problem with dbalttype 2, 1\n");
		abort();
	}

	if (dbaltcolid(dbproc, 2, 1) != 3) {
		failed = 1;
		fprintf(stderr, "Had problem with dbaltcolid 2, 1\n");
		abort();
	}

	if (dbaltop(dbproc, 2, 1) != SYBAOPMAX) {
		failed = 1;
		fprintf(stderr, "Had problem with dbaltop 2, 1\n");
		abort();
	}

	if (SUCCEED != dbaltbind(dbproc, 2, 1, STRINGBIND, -1, (BYTE *) computedate)) {
		failed = 1;
		fprintf(stderr, "Had problem with dbaltbind 2, 1\n");
		abort();
	}

	while ((rowtype = dbnextrow(dbproc)) != NO_MORE_ROWS) {

		if (rowtype == REG_ROW) {
			printf("gotten a regular row\n");
		}

		if (rowtype == 1) {
			printf("gotten a compute row for clause 1\n");
			printf("value of sum(col1) = %d\n", computeint);
		}

		if (rowtype == 2) {
			printf("gotten a compute row for clause 2\n");
			printf("value of max(col3) = %s\n", computedate);

		}
	}

	dbexit();

	fprintf(stdout, "%s %s\n", __FILE__, (failed ? "failed!" : "OK"));
	return failed ? 1 : 0;
}