database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-12 13:01:09 +03:00
Code Activity

Improved EQP output for recursive CTEs and multi-value VALUES clauses.

Browse Source 
FossilOrigin-Name: f2f525548c65f89f55cbe91da8a21512dedc6f7b68b58b7906d653e800a2963a
This commit is contained in:
drh
2018-05-02 16:13:48 +00:00
parent 03c3905f94
commit 84a01debf9
4 changed files with 14 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/select.c
View File

@@ -2290,6 +2290,8 @@ static void generateWithRecursiveQuery(
/* Store the results of the setup-query in Queue. */
pSetup->pNext = 0;
ExplainQueryPlan((pParse, 1, "SETUP"));
ExplainQueryPlanSetId(pParse, pSetup);
rc = sqlite3Select(pParse, pSetup, &destQueue);
pSetup->pNext = p;
if( rc ) goto end_of_recursive_query;
@@ -2324,6 +2326,8 @@ static void generateWithRecursiveQuery(
sqlite3ErrorMsg(pParse, "recursive aggregate queries not supported");
}else{
p->pPrior = 0;
ExplainQueryPlan((pParse, 1, "RECURSIVE STEP"));
ExplainQueryPlanSetId(pParse, p);
sqlite3Select(pParse, p, &destQueue);
assert( p->pPrior==0 );
p->pPrior = pSetup;
@@ -2383,6 +2387,7 @@ static int multiSelectValues(
p = p->pPrior;
nRow++;
}while(1);
ExplainQueryPlan((pParse, 0, "SCAN %d CONSTANT ROWS", nRow));
while( p ){
pPrior = p->pPrior;
p->pPrior = 0;