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TD-1743 When deleting a database, tables in other databases may be deleted by mistake

This commit is contained in:
Shengliang Guan 2020-10-19 02:23:24 +00:00
parent 95aa2442e1
commit e5633b6ad3
1 changed files with 6 additions and 2 deletions
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8
src/mnode/src/mnodeTable.c
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@ -2224,16 +2224,20 @@ void mnodeDropAllChildTablesInVgroups(SVgObj *pVgroup) {
void mnodeDropAllChildTables(SDbObj *pDropDb) { void mnodeDropAllChildTables(SDbObj *pDropDb) {
void * pIter = NULL; void * pIter = NULL;
int32_t numOfTables = 0; int32_t numOfTables = 0;
int32_t dbNameLen = strlen(pDropDb->name);
SChildTableObj *pTable = NULL; SChildTableObj *pTable = NULL;
char prefix[64] = {0};
tstrncpy(prefix, pDropDb->name, 64);
strcat(prefix, TS_PATH_DELIMITER);
int32_t prefixLen = strlen(prefix);
mInfo("db:%s, all child tables will be dropped from sdb", pDropDb->name); mInfo("db:%s, all child tables will be dropped from sdb", pDropDb->name);
while (1) { while (1) {
pIter = mnodeGetNextChildTable(pIter, &pTable); pIter = mnodeGetNextChildTable(pIter, &pTable);
if (pTable == NULL) break; if (pTable == NULL) break;
if (strncmp(pDropDb->name, pTable->info.tableId, dbNameLen) == 0) { if (strncmp(prefix, pTable->info.tableId, prefixLen) == 0) {
SSdbOper oper = { SSdbOper oper = {
.type = SDB_OPER_LOCAL, .type = SDB_OPER_LOCAL,
.table = tsChildTableSdb, .table = tsChildTableSdb,