修复子事务里内存报错core问题

2021-08-04 21:20:30 +08:00 · 2021-08-04 21:20:30 +08:00 · d470ef5f50
parent c1a69126a5
commit d470ef5f50
1 changed files with 2 additions and 0 deletions
--- a/src/common/backend/utils/time/combocid.cpp
+++ b/src/common/backend/utils/time/combocid.cpp
@ -256,7 +256,9 @@ static CommandId GetComboCommandId(CommandId cmin, CommandId cmax)

        u_sess->utils_cxt.comboHash =
            hash_create("Combo CIDs", CCID_HASH_SIZE, &hash_ctl, HASH_ELEM | HASH_FUNCTION | HASH_CONTEXT);
+    }

+    if (u_sess->utils_cxt.comboCids == NULL) {
        u_sess->utils_cxt.comboCids = (ComboCidKeyData*)MemoryContextAlloc(
            u_sess->top_transaction_mem_cxt, sizeof(ComboCidKeyData) * CCID_ARRAY_SIZE);
        u_sess->utils_cxt.sizeComboCids = CCID_ARRAY_SIZE;