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Add a linked list of ParseCleanup objects to the end of a Parse object and

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use that list as a place to put other sub-objects that need to be deallocated.
Have a single such list for infrequently used sub-objects is more efficient
than doing an a separate check for each kind of sub-object.

FossilOrigin-Name: affa2b7b316941b8a6c4d0d1ff212c81a593faf1d05d129e14d2b70d73a25c59
This commit is contained in:
drh
2021-01-11 20:37:02 +00:00
parent a6e6cf2c8f
commit cf3c078f93
8 changed files with 72 additions and 33 deletions
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src/insert.c
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@@ -371,6 +371,7 @@ static int autoIncBegin(
if( pInfo==0 ){
pInfo = sqlite3DbMallocRawNN(pParse->db, sizeof(*pInfo));
if( pInfo==0 ) return 0;
sqlite3ParserAddCleanup(pToplevel, sqlite3DbFreeNN, pInfo);
pInfo->pNext = pToplevel->pAinc;
pToplevel->pAinc = pInfo;
pInfo->pTab = pTab;