diff options
Diffstat (limited to 'src/backend/commands/explain.c')
| -rw-r--r-- | src/backend/commands/explain.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c index d99e5a86f0d..032f5a47433 100644 --- a/src/backend/commands/explain.c +++ b/src/backend/commands/explain.c @@ -33,6 +33,10 @@ #include "utils/xml.h" +/* Crude hack to avoid changing sizeof(ExplainState) in released branches */ +#define grouping_stack extra->groupingstack +#define deparse_cxt extra->deparsecxt + /* Hook for plugins to get control in ExplainOneQuery() */ ExplainOneQuery_hook_type ExplainOneQuery_hook = NULL; @@ -262,6 +266,8 @@ ExplainInitState(ExplainState *es) es->costs = true; /* Prepare output buffer. */ es->str = makeStringInfo(); + /* Kluge to avoid changing sizeof(ExplainState) in released branches. */ + es->extra = (ExplainStateExtra *) palloc0(sizeof(ExplainStateExtra)); } /* @@ -562,6 +568,8 @@ ExplainPrintPlan(ExplainState *es, QueryDesc *queryDesc) es->rtable = queryDesc->plannedstmt->rtable; ExplainPreScanNode(queryDesc->planstate, &rels_used); es->rtable_names = select_rtable_names_for_explain(es->rtable, rels_used); + es->deparse_cxt = deparse_context_for_plan_rtable(es->rtable, + es->rtable_names); ExplainNode(queryDesc->planstate, NIL, NULL, NULL, es); } @@ -1653,10 +1661,9 @@ show_plan_tlist(PlanState *planstate, List *ancestors, ExplainState *es) return; /* Set up deparsing context */ - context = deparse_context_for_planstate((Node *) planstate, - ancestors, - es->rtable, - es->rtable_names); + context = set_deparse_context_planstate(es->deparse_cxt, + (Node *) planstate, + ancestors); useprefix = list_length(es->rtable) > 1; /* Deparse each result column (we now include resjunk ones) */ @@ -1685,10 +1692,9 @@ show_expression(Node *node, const char *qlabel, char *exprstr; /* Set up deparsing context */ - context = deparse_context_for_planstate((Node *) planstate, - ancestors, - es->rtable, - es->rtable_names); + context = set_deparse_context_planstate(es->deparse_cxt, + (Node *) planstate, + ancestors); /* Deparse the expression */ exprstr = deparse_expression(node, context, useprefix, false); @@ -1830,10 +1836,9 @@ show_sort_group_keys(PlanState *planstate, const char *qlabel, return; /* Set up deparsing context */ - context = deparse_context_for_planstate((Node *) planstate, - ancestors, - es->rtable, - es->rtable_names); + context = set_deparse_context_planstate(es->deparse_cxt, + (Node *) planstate, + ancestors); useprefix = (list_length(es->rtable) > 1 || es->verbose); for (keyno = 0; keyno < nkeys; keyno++) |