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fix(query): fix invalid read.

This commit is contained in:
Haojun Liao 2023-02-28 09:34:16 +08:00
parent d18dd3067b
commit b92de1e9e6
3 changed files with 33 additions and 28 deletions
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4
source/libs/executor/src/executil.c
View File

@ -850,8 +850,7 @@ static SSDataBlock* createTagValBlockForFilter(SArray* pColList, int32_t numOfTa
tagVal.cid = pColInfo->info.colId; tagVal.cid = pColInfo->info.colId;
if (p1->pTagVal == NULL) { if (p1->pTagVal == NULL) {
colDataSetNULL(pColInfo, i); colDataSetNULL(pColInfo, i);
} } else {
const char* p = metaGetTableTagVal(p1->pTagVal, pColInfo->info.type, &tagVal); const char* p = metaGetTableTagVal(p1->pTagVal, pColInfo->info.type, &tagVal);
if (p == NULL || (pColInfo->info.type == TSDB_DATA_TYPE_JSON && ((STag*)p)->nTag == 0)) { if (p == NULL || (pColInfo->info.type == TSDB_DATA_TYPE_JSON && ((STag*)p)->nTag == 0)) {
@ -880,6 +879,7 @@ static SSDataBlock* createTagValBlockForFilter(SArray* pColList, int32_t numOfTa
} }
} }
} }
}
return pResBlock; return pResBlock;
} }

6
source/libs/nodes/src/nodesUtilFuncs.c
View File

@ -2101,9 +2101,9 @@ void nodesValueNodeToVariant(const SValueNode* pNode, SVariant* pVal) {
case TSDB_DATA_TYPE_NCHAR: case TSDB_DATA_TYPE_NCHAR:
case TSDB_DATA_TYPE_VARCHAR: case TSDB_DATA_TYPE_VARCHAR:
case TSDB_DATA_TYPE_VARBINARY: case TSDB_DATA_TYPE_VARBINARY:
pVal->pz = taosMemoryMalloc(pVal->nLen + VARSTR_HEADER_SIZE + 1); pVal->pz = taosMemoryMalloc(pVal->nLen + 1);
memcpy(pVal->pz, pNode->datum.p, pVal->nLen + VARSTR_HEADER_SIZE); memcpy(pVal->pz, pNode->datum.p, pVal->nLen);
pVal->pz[pVal->nLen + VARSTR_HEADER_SIZE] = 0; pVal->pz[pVal->nLen] = 0;
break; break;
case TSDB_DATA_TYPE_JSON: case TSDB_DATA_TYPE_JSON:
pVal->nLen = getJsonValueLen(pNode->datum.p); pVal->nLen = getJsonValueLen(pNode->datum.p);

9
tools/shell/src/shellAuto.c
View File

@ -98,6 +98,7 @@ SWords shellCommands[] = {
{"describe <all_table>", 0, 0, NULL}, {"describe <all_table>", 0, 0, NULL},
{"delete from <all_table> where ", 0, 0, NULL}, {"delete from <all_table> where ", 0, 0, NULL},
{"drop database <db_name>", 0, 0, NULL}, {"drop database <db_name>", 0, 0, NULL},
{"drop index <anyword>", 0, 0, NULL},
{"drop table <all_table>", 0, 0, NULL}, {"drop table <all_table>", 0, 0, NULL},
{"drop dnode <dnode_id>", 0, 0, NULL}, {"drop dnode <dnode_id>", 0, 0, NULL},
{"drop mnode on dnode <dnode_id> ;", 0, 0, NULL}, {"drop mnode on dnode <dnode_id> ;", 0, 0, NULL},
@ -384,7 +385,7 @@ void showHelp() {
create table <tb_name> using <stb_name> tags ...\n\ create table <tb_name> using <stb_name> tags ...\n\
create database <db_name> <db_options> ...\n\ create database <db_name> <db_options> ...\n\
create dnode \"fqdn:port\" ...\n\ create dnode \"fqdn:port\" ...\n\
create index ...\n\ create index <index_name> on <stb_name> (tag_column_name);\n\
create mnode on dnode <dnode_id> ;\n\ create mnode on dnode <dnode_id> ;\n\
create qnode on dnode <dnode_id> ;\n\ create qnode on dnode <dnode_id> ;\n\
create stream <stream_name> into <stb_name> as select ...\n\ create stream <stream_name> into <stb_name> as select ...\n\
@ -404,6 +405,7 @@ void showHelp() {
drop consumer group ... \n\ drop consumer group ... \n\
drop topic <topic_name> ;\n\ drop topic <topic_name> ;\n\
drop stream <stream_name> ;\n\ drop stream <stream_name> ;\n\
drop index <index_name>;\n\
----- E ----- \n\ ----- E ----- \n\
explain select clause ...\n\ explain select clause ...\n\
----- F ----- \n\ ----- F ----- \n\
@ -534,7 +536,7 @@ SWord* addWord(const char* p, int32_t len, bool pattern) {
word->len = len; word->len = len;
// check format // check format
if (pattern) { if (pattern && len > 0) {
word->type = wordType(p, len); word->type = wordType(p, len);
} else { } else {
word->type = WT_TEXT; word->type = WT_TEXT;
@ -1724,6 +1726,9 @@ bool matchEnd(TAOS* con, SShellCmd* cmd) {
if (strlen(last) == 0) { if (strlen(last) == 0) {
goto _return; goto _return;
} }
if (strcmp(last, " ") == 0) {
goto _return;
}
// match database // match database
if (elast == NULL) { if (elast == NULL) {