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Fix EXPLAIN ANALYZE SELECT INTO not to choose a parallel plan.

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We don't support any parallel write operations at present, so choosing
a parallel plan causes us to error out.  Also, add a new regression
test that uses EXPLAIN ANALYZE SELECT INTO; if we'd had this previously,
force_parallel_mode testing would have caught this issue.

Mithun Cy and Robert Haas
This commit is contained in:
Robert Haas
2016-03-14 19:48:46 -04:00
parent 5864d6a4b6
commit 270b7daf5c
3 changed files with 16 additions and 1 deletions
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2
src/backend/commands/explain.c
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@ -347,7 +347,7 @@ ExplainOneQuery(Query *query, IntoClause *into, ExplainState *es,
INSTR_TIME_SET_CURRENT(planstart);
/* plan the query */
plan = pg_plan_query(query, CURSOR_OPT_PARALLEL_OK, params);
plan = pg_plan_query(query, into ? 0 : CURSOR_OPT_PARALLEL_OK, params);
INSTR_TIME_SET_CURRENT(planduration);
INSTR_TIME_SUBTRACT(planduration, planstart);