diff options
Diffstat (limited to 'src/backend/commands/explain.c')
| -rw-r--r-- | src/backend/commands/explain.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c index 5d61a0195ed..0a67be031be 100644 --- a/src/backend/commands/explain.c +++ b/src/backend/commands/explain.c @@ -224,8 +224,7 @@ ExplainQuery(ParseState *pstate, ExplainStmt *stmt, const char *queryString, * executed repeatedly. (See also the same hack in DECLARE CURSOR and * PREPARE.) XXX FIXME someday. */ - Assert(IsA(stmt->query, Query)); - rewritten = QueryRewrite((Query *) copyObject(stmt->query)); + rewritten = QueryRewrite(castNode(Query, copyObject(stmt->query))); /* emit opening boilerplate */ ExplainBeginOutput(es); @@ -246,7 +245,7 @@ ExplainQuery(ParseState *pstate, ExplainStmt *stmt, const char *queryString, /* Explain every plan */ foreach(l, rewritten) { - ExplainOneQuery((Query *) lfirst(l), + ExplainOneQuery(castNode(Query, lfirst(l)), CURSOR_OPT_PARALLEL_OK, NULL, es, queryString, params); @@ -395,10 +394,9 @@ ExplainOneUtility(Node *utilityStmt, IntoClause *into, ExplainState *es, CreateTableAsStmt *ctas = (CreateTableAsStmt *) utilityStmt; List *rewritten; - Assert(IsA(ctas->query, Query)); - rewritten = QueryRewrite((Query *) copyObject(ctas->query)); + rewritten = QueryRewrite(castNode(Query, copyObject(ctas->query))); Assert(list_length(rewritten) == 1); - ExplainOneQuery((Query *) linitial(rewritten), + ExplainOneQuery(castNode(Query, linitial(rewritten)), 0, ctas->into, es, queryString, params); } @@ -415,10 +413,9 @@ ExplainOneUtility(Node *utilityStmt, IntoClause *into, ExplainState *es, DeclareCursorStmt *dcs = (DeclareCursorStmt *) utilityStmt; List *rewritten; - Assert(IsA(dcs->query, Query)); - rewritten = QueryRewrite((Query *) copyObject(dcs->query)); + rewritten = QueryRewrite(castNode(Query, copyObject(dcs->query))); Assert(list_length(rewritten) == 1); - ExplainOneQuery((Query *) linitial(rewritten), + ExplainOneQuery(castNode(Query, linitial(rewritten)), dcs->options, NULL, es, queryString, params); } |