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Changes In Branch subtypes Excluding Merge-Ins
This is equivalent to a diff from f5580f08 to 8a80d645
2015-09-11
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00:26 | Add new interfaces sqlite3_value_subtype() and sqlite3_result_subtype(). Update the json1.c extension to take advantages of those interfaces to avoid the goofy '$$' path syntax and to allow nested calls to json_array() and json_object() that work as expected. (check-in: db4152ae user: drh tags: trunk) | |
00:06 | Take out the goofy '$$' path syntax. Instead, use subtypes to communicate when a string is JSON. Add the json() function that validates and minifies the JSON and sets the appropriate subtype. (Closed-Leaf check-in: 8a80d645 user: drh tags: subtypes) | |
2015-09-10
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20:40 | Make the sqlite3_value_subtype() and sqlite3_result_subtype() interfaces available to loadable extensions. (check-in: c6fca0be user: drh tags: subtypes) | |
20:34 | Experimental implementation of sqlite3_result_subtype() and sqlite3_value_subtype() interfaces. (check-in: 7b5be299 user: drh tags: subtypes) | |
19:22 | Fix a potential NULL pointer deref in the testing logic of pcache1. NB: The -DSQLITE_TEST compile-time option is needed to hit the problem. (check-in: f5580f08 user: drh tags: trunk) | |
17:23 | Modify the fts5 leaf page format to permit faster seek operations. This is a file-format change. Any existing databases can be upgraded by running the fts5 'rebuild' command. (check-in: 0c0c4ae9 user: dan tags: trunk) | |
Changes to ext/misc/json1.c.
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64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | #define JSON_FALSE 2 #define JSON_INT 3 #define JSON_REAL 4 #define JSON_STRING 5 #define JSON_ARRAY 6 #define JSON_OBJECT 7 /* ** Names of the various JSON types: */ static const char * const jsonType[] = { "null", "true", "false", "integer", "real", "text", "array", "object" }; /* Bit values for the JsonNode.jnFlag field */ #define JNODE_RAW 0x01 /* Content is raw, not JSON encoded */ #define JNODE_ESCAPE 0x02 /* Content is text with \ escapes */ #define JNODE_REMOVE 0x04 /* Do not output */ #define JNODE_REPLACE 0x08 /* Replace with JsonNode.iVal */ #define JNODE_APPEND 0x10 /* More ARRAY/OBJECT entries at u.iAppend */ | > > > < | | 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | #define JSON_FALSE 2 #define JSON_INT 3 #define JSON_REAL 4 #define JSON_STRING 5 #define JSON_ARRAY 6 #define JSON_OBJECT 7 /* The "subtype" set for JSON values */ #define JSON_SUBTYPE 74 /* Ascii for "J" */ /* ** Names of the various JSON types: */ static const char * const jsonType[] = { "null", "true", "false", "integer", "real", "text", "array", "object" }; /* Bit values for the JsonNode.jnFlag field */ #define JNODE_RAW 0x01 /* Content is raw, not JSON encoded */ #define JNODE_ESCAPE 0x02 /* Content is text with \ escapes */ #define JNODE_REMOVE 0x04 /* Do not output */ #define JNODE_REPLACE 0x08 /* Replace with JsonNode.iVal */ #define JNODE_APPEND 0x10 /* More ARRAY/OBJECT entries at u.iAppend */ #define JNODE_LABEL 0x20 /* Is a label of an object */ /* A single node of parsed JSON */ struct JsonNode { u8 eType; /* One of the JSON_ type values */ u8 jnFlags; /* JNODE flags */ |
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239 240 241 242 243 244 245 | /* ** Append a function parameter value to the JSON string under ** construction. */ static void jsonAppendValue( JsonString *p, /* Append to this JSON string */ | | < | | 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 | /* ** Append a function parameter value to the JSON string under ** construction. */ static void jsonAppendValue( JsonString *p, /* Append to this JSON string */ sqlite3_value *pValue /* Value to append */ ){ switch( sqlite3_value_type(pValue) ){ case SQLITE_NULL: { jsonAppendRaw(p, "null", 4); break; } case SQLITE_INTEGER: case SQLITE_FLOAT: { const char *z = (const char*)sqlite3_value_text(pValue); u32 n = (u32)sqlite3_value_bytes(pValue); jsonAppendRaw(p, z, n); break; } case SQLITE_TEXT: { const char *z = (const char*)sqlite3_value_text(pValue); u32 n = (u32)sqlite3_value_bytes(pValue); if( sqlite3_value_subtype(pValue)==JSON_SUBTYPE ){ jsonAppendRaw(p, z, n); }else{ jsonAppendString(p, z, n); } break; } default: { |
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361 362 363 364 365 366 367 | u32 j = 1; jsonAppendChar(pOut, '['); for(;;){ while( j<=pNode->n ){ if( pNode[j].jnFlags & (JNODE_REMOVE|JNODE_REPLACE) ){ if( pNode[j].jnFlags & JNODE_REPLACE ){ jsonAppendSeparator(pOut); | | < | 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 | u32 j = 1; jsonAppendChar(pOut, '['); for(;;){ while( j<=pNode->n ){ if( pNode[j].jnFlags & (JNODE_REMOVE|JNODE_REPLACE) ){ if( pNode[j].jnFlags & JNODE_REPLACE ){ jsonAppendSeparator(pOut); jsonAppendValue(pOut, aReplace[pNode[j].iVal]); } }else{ jsonAppendSeparator(pOut); jsonRenderNode(&pNode[j], pOut, aReplace); } j += jsonNodeSize(&pNode[j]); } |
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387 388 389 390 391 392 393 | for(;;){ while( j<=pNode->n ){ if( (pNode[j+1].jnFlags & JNODE_REMOVE)==0 ){ jsonAppendSeparator(pOut); jsonRenderNode(&pNode[j], pOut, aReplace); jsonAppendChar(pOut, ':'); if( pNode[j+1].jnFlags & JNODE_REPLACE ){ | | < | 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 | for(;;){ while( j<=pNode->n ){ if( (pNode[j+1].jnFlags & JNODE_REMOVE)==0 ){ jsonAppendSeparator(pOut); jsonRenderNode(&pNode[j], pOut, aReplace); jsonAppendChar(pOut, ':'); if( pNode[j+1].jnFlags & JNODE_REPLACE ){ jsonAppendValue(pOut, aReplace[pNode[j+1].iVal]); }else{ jsonRenderNode(&pNode[j+1], pOut, aReplace); } } j += 1 + jsonNodeSize(&pNode[j+1]); } if( (pNode->jnFlags & JNODE_APPEND)==0 ) break; |
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417 418 419 420 421 422 423 424 425 426 427 428 429 430 | sqlite3_context *pCtx, /* Return value for this function */ sqlite3_value **aReplace /* Array of replacement values */ ){ JsonString s; jsonInit(&s, pCtx); jsonRenderNode(pNode, &s, aReplace); jsonResult(&s); } /* ** Make the JsonNode the return value of the function. */ static void jsonReturn( JsonNode *pNode, /* Node to return */ | > | 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 | sqlite3_context *pCtx, /* Return value for this function */ sqlite3_value **aReplace /* Array of replacement values */ ){ JsonString s; jsonInit(&s, pCtx); jsonRenderNode(pNode, &s, aReplace); jsonResult(&s); sqlite3_result_subtype(pCtx, JSON_SUBTYPE); } /* ** Make the JsonNode the return value of the function. */ static void jsonReturn( JsonNode *pNode, /* Node to return */ |
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947 948 949 950 951 952 953 | ** Return NULL if not found or if there is an error. ** ** On an error, write an error message into pCtx and increment the ** pParse->nErr counter. ** ** If pApnd!=NULL then try to append missing nodes and set *pApnd = 1 if ** nodes are appended. | < < < < | < < < < < < < < < < < < | 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 | ** Return NULL if not found or if there is an error. ** ** On an error, write an error message into pCtx and increment the ** pParse->nErr counter. ** ** If pApnd!=NULL then try to append missing nodes and set *pApnd = 1 if ** nodes are appended. */ static JsonNode *jsonLookup( JsonParse *pParse, /* The JSON to search */ const char *zPath, /* The path to search */ int *pApnd, /* Append nodes to complete path if not NULL */ sqlite3_context *pCtx /* Report errors here, if not NULL */ ){ const char *zErr = 0; JsonNode *pNode = 0; if( zPath==0 ) return 0; if( zPath[0]!='$' ){ zErr = zPath; goto lookup_err; } zPath++; pNode = jsonLookupStep(pParse, 0, zPath, pApnd, &zErr); return pNode; lookup_err: pParse->nErr++; if( zErr!=0 && pCtx!=0 ){ char *z = jsonPathSyntaxError(zErr); if( z ){ sqlite3_result_error(pCtx, z, -1); sqlite3_free(z); }else{ sqlite3_result_error_nomem(pCtx); } } return 0; } /* ** Report the wrong number of arguments for json_insert(), json_replace() ** or json_set(). |
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1056 1057 1058 1059 1060 1061 1062 | jsonAppendRaw(&s, "\n", 1); } jsonParseReset(&x); jsonResult(&s); } /* | | > > < < < < < | < < < < < < < < < < < < < | 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 | jsonAppendRaw(&s, "\n", 1); } jsonParseReset(&x); jsonResult(&s); } /* ** The json_test1(JSON) function return true (1) if the input is JSON ** text generated by another json function. It returns (0) if the input ** is not known to be JSON. */ static void jsonTest1Func( sqlite3_context *ctx, int argc, sqlite3_value **argv ){ sqlite3_result_int(ctx, sqlite3_value_subtype(argv[0])==JSON_SUBTYPE); } #endif /* SQLITE_DEBUG */ /**************************************************************************** ** SQL function implementations ****************************************************************************/ |
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1106 1107 1108 1109 1110 1111 1112 | int i; JsonString jx; jsonInit(&jx, ctx); jsonAppendChar(&jx, '['); for(i=0; i<argc; i++){ jsonAppendSeparator(&jx); | | > | 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 | int i; JsonString jx; jsonInit(&jx, ctx); jsonAppendChar(&jx, '['); for(i=0; i<argc; i++){ jsonAppendSeparator(&jx); jsonAppendValue(&jx, argv[i]); } jsonAppendChar(&jx, ']'); jsonResult(&jx); sqlite3_result_subtype(ctx, JSON_SUBTYPE); } /* ** json_array_length(JSON) ** json_array_length(JSON, PATH) ** |
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1134 1135 1136 1137 1138 1139 1140 | u32 i; if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; if( x.nNode ){ JsonNode *pNode; if( argc==2 ){ const char *zPath = (const char*)sqlite3_value_text(argv[1]); | | | 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 | u32 i; if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; if( x.nNode ){ JsonNode *pNode; if( argc==2 ){ const char *zPath = (const char*)sqlite3_value_text(argv[1]); pNode = jsonLookup(&x, zPath, 0, ctx); }else{ pNode = x.aNode; } if( pNode==0 ){ x.nErr = 1; }else if( pNode->eType==JSON_ARRAY ){ assert( (pNode->jnFlags & JNODE_APPEND)==0 ); |
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1176 1177 1178 1179 1180 1181 1182 | if( argc<2 ) return; if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; jsonInit(&jx, ctx); jsonAppendChar(&jx, '['); for(i=1; i<argc; i++){ zPath = (const char*)sqlite3_value_text(argv[i]); | | > | 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 | if( argc<2 ) return; if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; jsonInit(&jx, ctx); jsonAppendChar(&jx, '['); for(i=1; i<argc; i++){ zPath = (const char*)sqlite3_value_text(argv[i]); pNode = jsonLookup(&x, zPath, 0, ctx); if( x.nErr ) break; if( argc>2 ){ jsonAppendSeparator(&jx); if( pNode ){ jsonRenderNode(pNode, &jx, 0); }else{ jsonAppendRaw(&jx, "null", 4); } }else if( pNode ){ jsonReturn(pNode, ctx, 0); } } if( argc>2 && i==argc ){ jsonAppendChar(&jx, ']'); jsonResult(&jx); sqlite3_result_subtype(ctx, JSON_SUBTYPE); } jsonReset(&jx); jsonParseReset(&x); } /* ** Implementation of the json_object(NAME,VALUE,...) function. Return a JSON |
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1230 1231 1232 1233 1234 1235 1236 | return; } jsonAppendSeparator(&jx); z = (const char*)sqlite3_value_text(argv[i]); n = (u32)sqlite3_value_bytes(argv[i]); jsonAppendString(&jx, z, n); jsonAppendChar(&jx, ':'); | | > | 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 | return; } jsonAppendSeparator(&jx); z = (const char*)sqlite3_value_text(argv[i]); n = (u32)sqlite3_value_bytes(argv[i]); jsonAppendString(&jx, z, n); jsonAppendChar(&jx, ':'); jsonAppendValue(&jx, argv[i+1]); } jsonAppendChar(&jx, '}'); jsonResult(&jx); sqlite3_result_subtype(ctx, JSON_SUBTYPE); } /* ** json_remove(JSON, PATH, ...) ** ** Remove the named elements from JSON and return the result. malformed |
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1259 1260 1261 1262 1263 1264 1265 | if( argc<1 ) return; if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; if( x.nNode ){ for(i=1; i<(u32)argc; i++){ zPath = (const char*)sqlite3_value_text(argv[i]); if( zPath==0 ) goto remove_done; | | | 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 | if( argc<1 ) return; if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; if( x.nNode ){ for(i=1; i<(u32)argc; i++){ zPath = (const char*)sqlite3_value_text(argv[i]); if( zPath==0 ) goto remove_done; pNode = jsonLookup(&x, zPath, 0, ctx); if( x.nErr ) goto remove_done; if( pNode ) pNode->jnFlags |= JNODE_REMOVE; } if( (x.aNode[0].jnFlags & JNODE_REMOVE)==0 ){ jsonReturnJson(x.aNode, ctx, 0); } } |
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1295 1296 1297 1298 1299 1300 1301 | if( (argc&1)==0 ) { jsonWrongNumArgs(ctx, "replace"); return; } if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; if( x.nNode ){ for(i=1; i<(u32)argc; i+=2){ | < | < | | 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 | if( (argc&1)==0 ) { jsonWrongNumArgs(ctx, "replace"); return; } if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; if( x.nNode ){ for(i=1; i<(u32)argc; i+=2){ zPath = (const char*)sqlite3_value_text(argv[i]); pNode = jsonLookup(&x, zPath, 0, ctx); if( x.nErr ) goto replace_err; if( pNode ){ pNode->jnFlags |= JNODE_REPLACE; pNode->iVal = i+1; } } if( x.aNode[0].jnFlags & JNODE_REPLACE ){ sqlite3_result_value(ctx, argv[x.aNode[0].iVal]); }else{ jsonReturnJson(x.aNode, ctx, argv); |
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1347 1348 1349 1350 1351 1352 1353 | if( (argc&1)==0 ) { jsonWrongNumArgs(ctx, bIsSet ? "set" : "insert"); return; } if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; if( x.nNode ){ for(i=1; i<(u32)argc; i+=2){ | < | < | | 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 | if( (argc&1)==0 ) { jsonWrongNumArgs(ctx, bIsSet ? "set" : "insert"); return; } if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; if( x.nNode ){ for(i=1; i<(u32)argc; i+=2){ zPath = (const char*)sqlite3_value_text(argv[i]); bApnd = 0; pNode = jsonLookup(&x, zPath, &bApnd, ctx); if( x.oom ){ sqlite3_result_error_nomem(ctx); goto jsonSetDone; }else if( x.nErr ){ goto jsonSetDone; }else if( pNode && (bApnd || bIsSet) ){ pNode->jnFlags |= JNODE_REPLACE; pNode->iVal = i+1; } } if( x.aNode[0].jnFlags & JNODE_REPLACE ){ sqlite3_result_value(ctx, argv[x.aNode[0].iVal]); }else{ jsonReturnJson(x.aNode, ctx, argv); |
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1392 1393 1394 1395 1396 1397 1398 | const char *zPath; if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; if( x.nNode ){ JsonNode *pNode; if( argc==2 ){ zPath = (const char*)sqlite3_value_text(argv[1]); | | | 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 | const char *zPath; if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; if( x.nNode ){ JsonNode *pNode; if( argc==2 ){ zPath = (const char*)sqlite3_value_text(argv[1]); pNode = jsonLookup(&x, zPath, 0, ctx); }else{ pNode = x.aNode; } if( pNode ){ sqlite3_result_text(ctx, jsonType[pNode->eType], -1, SQLITE_STATIC); } } |
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1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 | unsigned int i; static const struct { const char *zName; int nArg; int flag; void (*xFunc)(sqlite3_context*,int,sqlite3_value**); } aFunc[] = { { "json_array", -1, 0, jsonArrayFunc }, { "json_array_length", 1, 0, jsonArrayLengthFunc }, { "json_array_length", 2, 0, jsonArrayLengthFunc }, { "json_extract", -1, 0, jsonExtractFunc }, { "json_insert", -1, 0, jsonSetFunc }, { "json_object", -1, 0, jsonObjectFunc }, { "json_remove", -1, 0, jsonRemoveFunc }, { "json_replace", -1, 0, jsonReplaceFunc }, { "json_set", -1, 1, jsonSetFunc }, { "json_type", 1, 0, jsonTypeFunc }, { "json_type", 2, 0, jsonTypeFunc }, { "json_valid", 1, 0, jsonValidFunc }, #if SQLITE_DEBUG /* DEBUG and TESTING functions */ { "json_parse", 1, 0, jsonParseFunc }, { "json_test1", 1, 0, jsonTest1Func }, | > < | 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 | unsigned int i; static const struct { const char *zName; int nArg; int flag; void (*xFunc)(sqlite3_context*,int,sqlite3_value**); } aFunc[] = { { "json", 1, 0, jsonRemoveFunc }, { "json_array", -1, 0, jsonArrayFunc }, { "json_array_length", 1, 0, jsonArrayLengthFunc }, { "json_array_length", 2, 0, jsonArrayLengthFunc }, { "json_extract", -1, 0, jsonExtractFunc }, { "json_insert", -1, 0, jsonSetFunc }, { "json_object", -1, 0, jsonObjectFunc }, { "json_remove", -1, 0, jsonRemoveFunc }, { "json_replace", -1, 0, jsonReplaceFunc }, { "json_set", -1, 1, jsonSetFunc }, { "json_type", 1, 0, jsonTypeFunc }, { "json_type", 2, 0, jsonTypeFunc }, { "json_valid", 1, 0, jsonValidFunc }, #if SQLITE_DEBUG /* DEBUG and TESTING functions */ { "json_parse", 1, 0, jsonParseFunc }, { "json_test1", 1, 0, jsonTest1Func }, #endif }; #ifndef SQLITE_OMIT_VIRTUALTABLE static const struct { const char *zName; sqlite3_module *pModule; } aMod[] = { |
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Changes to src/loadext.c.
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403 404 405 406 407 408 409 | sqlite3_result_blob64, sqlite3_result_text64, sqlite3_strglob, /* Version 3.8.11 and later */ (sqlite3_value*(*)(const sqlite3_value*))sqlite3_value_dup, sqlite3_value_free, sqlite3_result_zeroblob64, | | > > > | 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 | sqlite3_result_blob64, sqlite3_result_text64, sqlite3_strglob, /* Version 3.8.11 and later */ (sqlite3_value*(*)(const sqlite3_value*))sqlite3_value_dup, sqlite3_value_free, sqlite3_result_zeroblob64, sqlite3_bind_zeroblob64, /* Version 3.8.12 and later */ sqlite3_value_subtype, sqlite3_result_subtype }; /* ** Attempt to load an SQLite extension library contained in the file ** zFile. The entry point is zProc. zProc may be 0 in which case a ** default entry point name (sqlite3_extension_init) is used. Use ** of the default name is recommended. |
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Changes to src/sqlite.h.in.
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4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 | const unsigned char *sqlite3_value_text(sqlite3_value*); const void *sqlite3_value_text16(sqlite3_value*); const void *sqlite3_value_text16le(sqlite3_value*); const void *sqlite3_value_text16be(sqlite3_value*); int sqlite3_value_type(sqlite3_value*); int sqlite3_value_numeric_type(sqlite3_value*); /* ** CAPI3REF: Copy And Free SQL Values ** METHOD: sqlite3_value ** ** ^The sqlite3_value_dup(V) interface makes a copy of the [sqlite3_value] ** object D and returns a pointer to that copy. ^The [sqlite3_value] returned ** is a [protected sqlite3_value] object even if the input is not. | > > > > > > > > > > > > > > > > | 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 | const unsigned char *sqlite3_value_text(sqlite3_value*); const void *sqlite3_value_text16(sqlite3_value*); const void *sqlite3_value_text16le(sqlite3_value*); const void *sqlite3_value_text16be(sqlite3_value*); int sqlite3_value_type(sqlite3_value*); int sqlite3_value_numeric_type(sqlite3_value*); /* ** CAPI3REF: Obtaining SQL Values ** METHOD: sqlite3_value ** ** The sqlite3_value_subtype(V) function returns the subtype for ** an application-defined SQL function argument V. The subtype ** information can be used to pass a limited amount of context from ** one SQL function to another. Use the [sqlite3_result_subtype()] ** routine to set the subtype for the return value of an SQL function. ** ** SQLite makes no use of subtype itself. It merely passes the subtype ** from the result of one application-defined function to the input of ** another. */ unsigned int sqlite3_value_subtype(sqlite3_value*); /* ** CAPI3REF: Copy And Free SQL Values ** METHOD: sqlite3_value ** ** ^The sqlite3_value_dup(V) interface makes a copy of the [sqlite3_value] ** object D and returns a pointer to that copy. ^The [sqlite3_value] returned ** is a [protected sqlite3_value] object even if the input is not. |
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4652 4653 4654 4655 4656 4657 4658 4659 4660 4661 4662 4663 4664 4665 | void sqlite3_result_text16(sqlite3_context*, const void*, int, void(*)(void*)); void sqlite3_result_text16le(sqlite3_context*, const void*, int,void(*)(void*)); void sqlite3_result_text16be(sqlite3_context*, const void*, int,void(*)(void*)); void sqlite3_result_value(sqlite3_context*, sqlite3_value*); void sqlite3_result_zeroblob(sqlite3_context*, int n); int sqlite3_result_zeroblob64(sqlite3_context*, sqlite3_uint64 n); /* ** CAPI3REF: Define New Collating Sequences ** METHOD: sqlite3 ** ** ^These functions add, remove, or modify a [collation] associated ** with the [database connection] specified as the first argument. ** | > > > > > > > > > > > > > > | 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679 4680 4681 4682 4683 4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 | void sqlite3_result_text16(sqlite3_context*, const void*, int, void(*)(void*)); void sqlite3_result_text16le(sqlite3_context*, const void*, int,void(*)(void*)); void sqlite3_result_text16be(sqlite3_context*, const void*, int,void(*)(void*)); void sqlite3_result_value(sqlite3_context*, sqlite3_value*); void sqlite3_result_zeroblob(sqlite3_context*, int n); int sqlite3_result_zeroblob64(sqlite3_context*, sqlite3_uint64 n); /* ** CAPI3REF: Setting The Subtype Of An SQL Function ** METHOD: sqlite3_context ** ** The sqlite3_result_subtype(C,T) function causes the subtype of ** the result from the application-defined function with context C ** to be T. Only the lower 8 bits of the subtype T are preserved ** in current versions of SQLite; higher order bits are discarded. ** The number of subtype bytes preserved by SQLite might increase ** in future releases of SQLite. */ void sqlite3_result_subtype(sqlite3_context*,unsigned int); /* ** CAPI3REF: Define New Collating Sequences ** METHOD: sqlite3 ** ** ^These functions add, remove, or modify a [collation] associated ** with the [database connection] specified as the first argument. ** |
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Changes to src/sqlite3ext.h.
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268 269 270 271 272 273 274 275 276 277 278 279 280 281 | void(*)(void*), unsigned char); int (*strglob)(const char*,const char*); /* Version 3.8.11 and later */ sqlite3_value *(*value_dup)(const sqlite3_value*); void (*value_free)(sqlite3_value*); int (*result_zeroblob64)(sqlite3_context*,sqlite3_uint64); int (*bind_zeroblob64)(sqlite3_stmt*, int, sqlite3_uint64); }; /* ** The following macros redefine the API routines so that they are ** redirected through the global sqlite3_api structure. ** ** This header file is also used by the loadext.c source file | > > > | 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 | void(*)(void*), unsigned char); int (*strglob)(const char*,const char*); /* Version 3.8.11 and later */ sqlite3_value *(*value_dup)(const sqlite3_value*); void (*value_free)(sqlite3_value*); int (*result_zeroblob64)(sqlite3_context*,sqlite3_uint64); int (*bind_zeroblob64)(sqlite3_stmt*, int, sqlite3_uint64); /* Version 3.8.12 and later */ unsigned int (*value_subtype)(sqlite3_value*); void (*result_subtype)(sqlite3_context*,unsigned int); }; /* ** The following macros redefine the API routines so that they are ** redirected through the global sqlite3_api structure. ** ** This header file is also used by the loadext.c source file |
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504 505 506 507 508 509 510 511 512 513 514 515 516 517 | #define sqlite3_result_text64 sqlite3_api->result_text64 #define sqlite3_strglob sqlite3_api->strglob /* Version 3.8.11 and later */ #define sqlite3_value_dup sqlite3_api->value_dup #define sqlite3_value_free sqlite3_api->value_free #define sqlite3_result_zeroblob64 sqlite3_api->result_zeroblob64 #define sqlite3_bind_zeroblob64 sqlite3_api->bind_zeroblob64 #endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */ #if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) /* This case when the file really is being compiled as a loadable ** extension */ # define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines *sqlite3_api=0; # define SQLITE_EXTENSION_INIT2(v) sqlite3_api=v; | > > > | 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 | #define sqlite3_result_text64 sqlite3_api->result_text64 #define sqlite3_strglob sqlite3_api->strglob /* Version 3.8.11 and later */ #define sqlite3_value_dup sqlite3_api->value_dup #define sqlite3_value_free sqlite3_api->value_free #define sqlite3_result_zeroblob64 sqlite3_api->result_zeroblob64 #define sqlite3_bind_zeroblob64 sqlite3_api->bind_zeroblob64 /* Version 3.8.12 and later */ #define sqlite3_value_subtype sqlite3_api->value_subtype #define sqlite3_result_subtype sqlite3_api->result_subtype #endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */ #if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) /* This case when the file really is being compiled as a loadable ** extension */ # define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines *sqlite3_api=0; # define SQLITE_EXTENSION_INIT2(v) sqlite3_api=v; |
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Changes to src/test_func.c.
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458 459 460 461 462 463 464 | } } zOut[16] = 0; sqlite3_result_text(context, zOut, -1, SQLITE_TRANSIENT); } /* | | | 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 | } } zOut[16] = 0; sqlite3_result_text(context, zOut, -1, SQLITE_TRANSIENT); } /* ** test_extract(record, field) ** ** This function implements an SQL user-function that accepts a blob ** containing a formatted database record as the first argument. The ** second argument is the index of the field within that record to ** extract and return. */ static void test_extract( |
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505 506 507 508 509 510 511 | } if( mem.szMalloc ) sqlite3DbFree(db, mem.zMalloc); } } /* | | | 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 | } if( mem.szMalloc ) sqlite3DbFree(db, mem.zMalloc); } } /* ** test_decode(record) ** ** This function implements an SQL user-function that accepts a blob ** containing a formatted database record as its only argument. It returns ** a tcl list (type SQLITE_TEXT) containing each of the values stored ** in the record. */ static void test_decode( |
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597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 | } sqlite3_result_text(context, Tcl_GetString(pRet), -1, SQLITE_TRANSIENT); Tcl_DecrRefCount(pRet); } /* ** The implementation of scalar SQL function "test_zeroblob()". This is ** similar to the built-in zeroblob() function, except that it does not ** check that the integer parameter is within range before passing it ** to sqlite3_result_zeroblob(). */ static void test_zeroblob( sqlite3_context *context, int argc, sqlite3_value **argv ){ int nZero = sqlite3_value_int(argv[0]); sqlite3_result_zeroblob(context, nZero); } static int registerTestFunctions(sqlite3 *db){ static const struct { char *zName; signed char nArg; unsigned int eTextRep; /* 1: UTF-16. 0: UTF-8 */ void (*xFunc)(sqlite3_context*,int,sqlite3_value **); | > > > > > > > > > > > > > > > > > > > > > > > > > > > | 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 | } sqlite3_result_text(context, Tcl_GetString(pRet), -1, SQLITE_TRANSIENT); Tcl_DecrRefCount(pRet); } /* ** test_zeroblob(N) ** ** The implementation of scalar SQL function "test_zeroblob()". This is ** similar to the built-in zeroblob() function, except that it does not ** check that the integer parameter is within range before passing it ** to sqlite3_result_zeroblob(). */ static void test_zeroblob( sqlite3_context *context, int argc, sqlite3_value **argv ){ int nZero = sqlite3_value_int(argv[0]); sqlite3_result_zeroblob(context, nZero); } /* test_getsubtype(V) ** ** Return the subtype for value V. */ static void test_getsubtype( sqlite3_context *context, int argc, sqlite3_value **argv ){ sqlite3_result_int(context, (int)sqlite3_value_subtype(argv[0])); } /* test_setsubtype(V, T) ** ** Return the value V with its subtype changed to T */ static void test_setsubtype( sqlite3_context *context, int argc, sqlite3_value **argv ){ sqlite3_result_value(context, argv[0]); sqlite3_result_subtype(context, (unsigned int)sqlite3_value_int(argv[1])); } static int registerTestFunctions(sqlite3 *db){ static const struct { char *zName; signed char nArg; unsigned int eTextRep; /* 1: UTF-16. 0: UTF-8 */ void (*xFunc)(sqlite3_context*,int,sqlite3_value **); |
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637 638 639 640 641 642 643 644 645 646 647 648 649 650 | { "test_eval", 1, SQLITE_UTF8, test_eval}, { "test_isolation", 2, SQLITE_UTF8, test_isolation}, { "test_counter", 1, SQLITE_UTF8, counterFunc}, { "real2hex", 1, SQLITE_UTF8, real2hex}, { "test_decode", 1, SQLITE_UTF8, test_decode}, { "test_extract", 2, SQLITE_UTF8, test_extract}, { "test_zeroblob", 1, SQLITE_UTF8|SQLITE_DETERMINISTIC, test_zeroblob}, }; int i; for(i=0; i<sizeof(aFuncs)/sizeof(aFuncs[0]); i++){ sqlite3_create_function(db, aFuncs[i].zName, aFuncs[i].nArg, aFuncs[i].eTextRep, 0, aFuncs[i].xFunc, 0, 0); } | > > | 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 | { "test_eval", 1, SQLITE_UTF8, test_eval}, { "test_isolation", 2, SQLITE_UTF8, test_isolation}, { "test_counter", 1, SQLITE_UTF8, counterFunc}, { "real2hex", 1, SQLITE_UTF8, real2hex}, { "test_decode", 1, SQLITE_UTF8, test_decode}, { "test_extract", 2, SQLITE_UTF8, test_extract}, { "test_zeroblob", 1, SQLITE_UTF8|SQLITE_DETERMINISTIC, test_zeroblob}, { "test_getsubtype", 1, SQLITE_UTF8, test_getsubtype}, { "test_setsubtype", 2, SQLITE_UTF8, test_setsubtype}, }; int i; for(i=0; i<sizeof(aFuncs)/sizeof(aFuncs[0]); i++){ sqlite3_create_function(db, aFuncs[i].zName, aFuncs[i].nArg, aFuncs[i].eTextRep, 0, aFuncs[i].xFunc, 0, 0); } |
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Changes to src/vdbeInt.h.
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171 172 173 174 175 176 177 178 179 180 181 182 183 184 | int nZero; /* Used when bit MEM_Zero is set in flags */ FuncDef *pDef; /* Used only when flags==MEM_Agg */ RowSet *pRowSet; /* Used only when flags==MEM_RowSet */ VdbeFrame *pFrame; /* Used when flags==MEM_Frame */ } u; u16 flags; /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */ u8 enc; /* SQLITE_UTF8, SQLITE_UTF16BE, SQLITE_UTF16LE */ int n; /* Number of characters in string value, excluding '\0' */ char *z; /* String or BLOB value */ /* ShallowCopy only needs to copy the information above */ char *zMalloc; /* Space to hold MEM_Str or MEM_Blob if szMalloc>0 */ int szMalloc; /* Size of the zMalloc allocation */ u32 uTemp; /* Transient storage for serial_type in OP_MakeRecord */ sqlite3 *db; /* The associated database connection */ | > | 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 | int nZero; /* Used when bit MEM_Zero is set in flags */ FuncDef *pDef; /* Used only when flags==MEM_Agg */ RowSet *pRowSet; /* Used only when flags==MEM_RowSet */ VdbeFrame *pFrame; /* Used when flags==MEM_Frame */ } u; u16 flags; /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */ u8 enc; /* SQLITE_UTF8, SQLITE_UTF16BE, SQLITE_UTF16LE */ u8 eSubtype; /* Subtype for this value */ int n; /* Number of characters in string value, excluding '\0' */ char *z; /* String or BLOB value */ /* ShallowCopy only needs to copy the information above */ char *zMalloc; /* Space to hold MEM_Str or MEM_Blob if szMalloc>0 */ int szMalloc; /* Size of the zMalloc allocation */ u32 uTemp; /* Transient storage for serial_type in OP_MakeRecord */ sqlite3 *db; /* The associated database connection */ |
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Changes to src/vdbeapi.c.
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182 183 184 185 186 187 188 189 190 191 192 193 194 195 | return sqlite3VdbeRealValue((Mem*)pVal); } int sqlite3_value_int(sqlite3_value *pVal){ return (int)sqlite3VdbeIntValue((Mem*)pVal); } sqlite_int64 sqlite3_value_int64(sqlite3_value *pVal){ return sqlite3VdbeIntValue((Mem*)pVal); } const unsigned char *sqlite3_value_text(sqlite3_value *pVal){ return (const unsigned char *)sqlite3ValueText(pVal, SQLITE_UTF8); } #ifndef SQLITE_OMIT_UTF16 const void *sqlite3_value_text16(sqlite3_value* pVal){ return sqlite3ValueText(pVal, SQLITE_UTF16NATIVE); | > > > | 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 | return sqlite3VdbeRealValue((Mem*)pVal); } int sqlite3_value_int(sqlite3_value *pVal){ return (int)sqlite3VdbeIntValue((Mem*)pVal); } sqlite_int64 sqlite3_value_int64(sqlite3_value *pVal){ return sqlite3VdbeIntValue((Mem*)pVal); } unsigned int sqlite3_value_subtype(sqlite3_value *pVal){ return ((Mem*)pVal)->eSubtype; } const unsigned char *sqlite3_value_text(sqlite3_value *pVal){ return (const unsigned char *)sqlite3ValueText(pVal, SQLITE_UTF8); } #ifndef SQLITE_OMIT_UTF16 const void *sqlite3_value_text16(sqlite3_value* pVal){ return sqlite3ValueText(pVal, SQLITE_UTF16NATIVE); |
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360 361 362 363 364 365 366 367 368 369 370 371 372 373 | void sqlite3_result_int64(sqlite3_context *pCtx, i64 iVal){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetInt64(pCtx->pOut, iVal); } void sqlite3_result_null(sqlite3_context *pCtx){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetNull(pCtx->pOut); } void sqlite3_result_text( sqlite3_context *pCtx, const char *z, int n, void (*xDel)(void *) ){ | > > > > | 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 | void sqlite3_result_int64(sqlite3_context *pCtx, i64 iVal){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetInt64(pCtx->pOut, iVal); } void sqlite3_result_null(sqlite3_context *pCtx){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetNull(pCtx->pOut); } void sqlite3_result_subtype(sqlite3_context *pCtx, unsigned int eSubtype){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); pCtx->pOut->eSubtype = eSubtype & 0xff; } void sqlite3_result_text( sqlite3_context *pCtx, const char *z, int n, void (*xDel)(void *) ){ |
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Changes to test/json101.test.
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12 13 14 15 16 17 18 | # SQLite library. # set testdir [file dirname $argv0] source $testdir/tester.tcl load_static_extension db json | | > > > > > > > > > > > > | 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | # SQLite library. # set testdir [file dirname $argv0] source $testdir/tester.tcl load_static_extension db json do_execsql_test json1-1.1.00 { SELECT json_array(1,2.5,null,'hello'); } {[1,2.5,null,"hello"]} do_execsql_test json1-1.1.01 { SELECT json_array(1,'{"abc":2.5,"def":null,"ghi":hello}',99); -- the second term goes in as a string: } {[1,"{\\"abc\\":2.5,\\"def\\":null,\\"ghi\\":hello}",99]} do_execsql_test json1-1.1.02 { SELECT json_array(1,json('{"abc":2.5,"def":null,"ghi":"hello"}'),99); -- the second term goes in as JSON } {[1,{"abc":2.5,"def":null,"ghi":"hello"},99]} do_execsql_test json1-1.1.03 { SELECT json_array(1,json_object('abc',2.5,'def',null,'ghi','hello'),99); -- the second term goes in as JSON } {[1,{"abc":2.5,"def":null,"ghi":"hello"},99]} do_execsql_test json1-1.2 { SELECT hex(json_array('String "\ Test')); } {5B22537472696E67205C225C5C2054657374225D} do_catchsql_test json1-1.3 { SELECT json_array(1,2,x'abcd',3); } {1 {JSON cannot hold BLOB values}} do_execsql_test json1-1.4 { |
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50 51 52 53 54 55 56 | SELECT json_object('a',1,'b',x'abcd'); } {1 {JSON cannot hold BLOB values}} do_execsql_test json1-3.1 { SELECT json_replace('{"a":1,"b":2}','$.a','[3,4,5]'); } {{{"a":"[3,4,5]","b":2}}} do_execsql_test json1-3.2 { | | | | 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | SELECT json_object('a',1,'b',x'abcd'); } {1 {JSON cannot hold BLOB values}} do_execsql_test json1-3.1 { SELECT json_replace('{"a":1,"b":2}','$.a','[3,4,5]'); } {{{"a":"[3,4,5]","b":2}}} do_execsql_test json1-3.2 { SELECT json_replace('{"a":1,"b":2}','$.a',json('[3,4,5]')); } {{{"a":[3,4,5],"b":2}}} do_execsql_test json1-3.3 { SELECT json_type(json_set('{"a":1,"b":2}','$.b','{"x":3,"y":4}'),'$.b'); } {text} do_execsql_test json1-3.4 { SELECT json_type(json_set('{"a":1,"b":2}','$.b',json('{"x":3,"y":4}')),'$.b'); } {object} # Per rfc7159, any JSON value is allowed at the top level, and whitespace # is permitting before and/or after that value. # do_execsql_test json1-4.1 { CREATE TABLE j1(x); |
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Added test/subtype1.test.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | # 2015-09-10 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file implements tests for sqlite3_value_subtype() and # sqlite3_result_subtype() interfaces. # set testdir [file dirname $argv0] source $testdir/tester.tcl do_execsql_test subtype1-100 { SELECT test_getsubtype('hello'); } {0} do_execsql_test subtype1-110 { SELECT test_getsubtype(test_setsubtype('hello',123)); } {123} do_execsql_test subtype1-120 { SELECT typeof(test_setsubtype('hello',123)); } {text} do_execsql_test subtype1-130 { SELECT test_setsubtype('hello',123); } {hello} finish_test |