CS_RETCODE cs_will_convert(CS_CONTEXT * ctx, CS_INT srctype, CS_INT desttype, CS_BOOL * result) { tdsdump_log(TDS_DBG_FUNC, "cs_will_convert(%p, %d, %d, %p)\n", ctx, srctype, desttype, result); *result = (tds_willconvert(srctype, desttype) ? CS_TRUE : CS_FALSE); return CS_SUCCEED; }
int main(int argc, char **argv) { int srctype; int desttype; /* some default inputs */ static const int bit_input = 1; /* timing variables to compute performance */ struct timeval start, end; double starttime, endtime; int i, j, iterations = 0, result; TDS_CHAR *src = NULL; TDS_UINT srclen; CONV_RESULT cr; TDS_NUMERIC numeric; TDS_MONEY money; TDS_MONEY4 money4; TDS_DATETIME datetime; TDS_DATETIME4 datetime4; TDS_DATETIMEALL dta; TDS_DATE date; TDS_TIME time; TDS_BIGDATETIME bigdatetime; TDS_BIGTIME bigtime; TDS_TINYINT tds_tinyint; TDS_SMALLINT tds_smallint; TDS_INT tds_int; TDS_INT8 tds_int8; TDS_USMALLINT tds_usmallint; TDS_UINT tds_uint; TDS_UINT8 tds_uint8; TDS_REAL tds_real; TDS_FLOAT tds_float; TDS_UNIQUE tds_unique; if (argc > 1) { iterations = atoi(argv[1]); printf("Computing %d iterations\n", iterations); } setbuf(stdout, NULL); setbuf(stderr, NULL); ctx = tds_alloc_context(NULL); assert(ctx); if (ctx->locale && !ctx->locale->date_fmt) { /* set default in case there's no locale file */ ctx->locale->date_fmt = strdup(STD_DATETIME_FMT); } /* * Test every possible conversion pair */ for (i = 0; i < 0x10000; i++) { srctype = i >> 8; desttype = i & 0xff; srctype = (srctype + SYBCHAR) & 0xff; if (!tds_willconvert(srctype, desttype)) { /* pass a CONV_RESULT as input for make sure size and alignment is enough * for all types */ CONV_RESULT src; memset(&src, 0, sizeof(src)); result = tds_convert(ctx, srctype, (const TDS_CHAR *) &src, 4, desttype, &cr); if (result >= 0) free_convert(desttype, &cr); if (result != TDS_CONVERT_NOAVAIL) { printf("NOT EXPECTED: converted %d (%s, %d bytes) : %d (%s, %d bytes).\n", srctype, tds_prtype(srctype), srclen, desttype, tds_prtype(desttype), result); exit(1); } continue; /* don't attempt nonconvertible types */ } if (srctype == desttype) continue; /* don't attempt same types */ /* valid types should have a name ! */ assert(tds_prtype(srctype)[0] != 0); assert(tds_prtype(desttype)[0] != 0); cr.n.precision = 8; cr.n.scale = 2; switch (srctype) { case SYBCHAR: case SYBVARCHAR: case SYBTEXT: case SYBBINARY: case SYBVARBINARY: case SYBIMAGE: case SYBLONGBINARY: case XSYBBINARY: case XSYBVARBINARY: case XSYBCHAR: case XSYBVARCHAR: switch (desttype) { case SYBCHAR: case SYBVARCHAR: case SYBTEXT: case SYBDATETIME: case SYBDATETIME4: src = "Jan 1, 1999"; break; case SYBMSDATE: case SYBMSDATETIME2: case SYBMSDATETIMEOFFSET: case SYBDATE: src = "2012-11-27"; break; case SYBMSTIME: case SYBTIME: src = "15:27:12"; break; case SYB5BIGTIME: src = "15:27:12.327862"; break; case SYB5BIGDATETIME: src = "2015-09-12 21:48:12.638161"; break; case SYBBINARY: case SYBIMAGE: src = "0xbeef"; break; case SYBINT1: case SYBINT2: case SYBINT4: case SYBINT8: case SYBUINT1: case SYBUINT2: case SYBUINT4: case SYBUINT8: src = "255"; break; case SYBFLT8: case SYBREAL: case SYBNUMERIC: case SYBDECIMAL: case SYBMONEY: case SYBMONEY4: src = "1999.25"; cr.n.precision = 8; cr.n.scale = 2; break; case SYBUNIQUE: src = "A8C60F70-5BD4-3E02-B769-7CCCCA585DCC"; break; case SYBBIT: default: src = "1"; break; } assert(src); srclen = strlen(src); break; case SYBINT1: case SYBUINT1: src = (char *) &tds_tinyint; srclen = sizeof(tds_tinyint); break; case SYBINT2: src = (char *) &tds_smallint; srclen = sizeof(tds_smallint); break; case SYBINT4: src = (char *) &tds_int; srclen = sizeof(tds_int); break; case SYBINT8: src = (char *) &tds_int8; srclen = sizeof(tds_int8); break; case SYBUINT2: src = (char *) &tds_usmallint; srclen = sizeof(tds_usmallint); break; case SYBUINT4: src = (char *) &tds_uint; srclen = sizeof(tds_uint); break; case SYBUINT8: src = (char *) &tds_uint8; srclen = sizeof(tds_uint8); break; case SYBFLT8: tds_float = 3.14159; src = (char *) &tds_float; srclen = sizeof(tds_float); break; case SYBREAL: tds_real = (TDS_REAL) 3.14159; src = (char *) &tds_real; srclen = sizeof(tds_real); break; case SYBNUMERIC: case SYBDECIMAL: src = (char *) &numeric; srclen = sizeof(numeric); break; case SYBMONEY: src = (char *) &money; srclen = sizeof(money); break; case SYBMONEY4: src = (char *) &money4; srclen = sizeof(money4); break; case SYBBIT: case SYBBITN: src = (char *) &bit_input; srclen = sizeof(bit_input); break; case SYBDATETIME: src = (char *) &datetime; srclen = sizeof(datetime); break; case SYBDATETIME4: src = (char *) &datetime4; srclen = sizeof(datetime4); break; case SYBDATE: src = (char *) &date; srclen = sizeof(date); break; case SYBTIME: src = (char *) &time; srclen = sizeof(time); break; case SYB5BIGTIME: src = (char *) &bigtime; srclen = sizeof(bigtime); break; case SYB5BIGDATETIME: src = (char *) &bigdatetime; srclen = sizeof(bigdatetime); break; case SYBUNIQUE: src = (char *) &tds_unique; srclen = sizeof(tds_unique); break; case SYBMSTIME: case SYBMSDATE: case SYBMSDATETIME2: case SYBMSDATETIMEOFFSET: src = (char *) &dta; srclen = sizeof(dta); break; /***** not defined yet case SYBBOUNDARY: case SYBSENSITIVITY: fprintf (stderr, "type %d not supported\n", srctype ); continue; break; *****/ default: fprintf(stderr, "no such type %d (%s)\n", srctype, tds_prtype(srctype)); return -1; } /* * Now at last do the conversion */ result = tds_convert(ctx, srctype, src, srclen, desttype, &cr); if (result >= 0) free_convert(desttype, &cr); if (result < 0) { if (result == TDS_CONVERT_NOAVAIL) /* tds_willconvert returned true, but it lied. */ fprintf(stderr, "Conversion not yet implemented:\n\t"); fprintf(stderr, "failed (%d) to convert %d (%s, %d bytes) : %d (%s).\n", result, srctype, tds_prtype(srctype), srclen, desttype, tds_prtype(desttype)); if (result == TDS_CONVERT_NOAVAIL) exit(1); } printf("converted %d (%s, %d bytes) -> %d (%s, %d bytes).\n", srctype, tds_prtype(srctype), srclen, desttype, tds_prtype(desttype), result); /* * In the first iteration, start with varchar -> others. * By saving the output, we initialize subsequent inputs. */ switch (desttype) { case SYBNUMERIC: case SYBDECIMAL: numeric = cr.n; break; case SYBMONEY: money = cr.m; break; case SYBMONEY4: money4 = cr.m4; break; case SYBDATETIME: datetime = cr.dt; break; case SYBDATETIME4: datetime4 = cr.dt4; break; case SYBDATE: date = cr.date; break; case SYBTIME: time = cr.time; break; case SYBMSDATETIME2: dta = cr.dta; break; case SYB5BIGTIME: bigtime = cr.bigtime; break; case SYB5BIGDATETIME: bigdatetime = cr.bigdatetime; break; case SYBINT1: case SYBUINT1: tds_tinyint = cr.ti; break; case SYBINT2: tds_smallint = cr.si; break; case SYBINT4: tds_int = cr.i; break; case SYBINT8: tds_int8 = cr.bi; break; case SYBUINT2: tds_usmallint = cr.usi; break; case SYBUINT4: tds_uint = cr.ui; break; case SYBUINT8: tds_uint8 = cr.ubi; break; case SYBUNIQUE: tds_unique = cr.u; break; default: break; } /* * If an iteration count was passed on the command line (not by "make check") * run the conversion N times and print the conversions per second. */ result = gettimeofday(&start, NULL); starttime = (double) start.tv_sec + (double) start.tv_usec * 0.000001; for (j = 0; result >= 0 && j < iterations; j++) { result = tds_convert(ctx, srctype, src, srclen, desttype, &cr); if (result >= 0) free_convert(desttype, &cr); } if (result < 0) continue; result = gettimeofday(&end, NULL); endtime = (double) end.tv_sec + (double) end.tv_usec * 0.000001; if (endtime != starttime) { printf("%9.0f iterations/second converting %13s => %s.\n", j / (endtime - starttime), tds_prtype(srctype), tds_prtype(desttype)); } } tds_free_context(ctx); return g_result; }