diff options
Diffstat (limited to 'src/backend/commands/prepare.c')
| -rw-r--r-- | src/backend/commands/prepare.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/backend/commands/prepare.c b/src/backend/commands/prepare.c index 284a5bfbec7..80d6df8ac1e 100644 --- a/src/backend/commands/prepare.c +++ b/src/backend/commands/prepare.c @@ -616,7 +616,11 @@ ExplainExecuteQuery(ExecuteStmt *execstmt, IntoClause *into, ExplainState *es, EState *estate = NULL; instr_time planstart; instr_time planduration; + BufferUsage bufusage_start, + bufusage; + if (es->buffers) + bufusage_start = pgBufferUsage; INSTR_TIME_SET_CURRENT(planstart); /* Look it up in the hash table */ @@ -654,6 +658,13 @@ ExplainExecuteQuery(ExecuteStmt *execstmt, IntoClause *into, ExplainState *es, INSTR_TIME_SET_CURRENT(planduration); INSTR_TIME_SUBTRACT(planduration, planstart); + /* calc differences of buffer counters. */ + if (es->buffers) + { + memset(&bufusage, 0, sizeof(BufferUsage)); + BufferUsageAccumDiff(&bufusage, &pgBufferUsage, &bufusage_start); + } + plan_list = cplan->stmt_list; /* Explain each query */ @@ -663,7 +674,7 @@ ExplainExecuteQuery(ExecuteStmt *execstmt, IntoClause *into, ExplainState *es, if (pstmt->commandType != CMD_UTILITY) ExplainOnePlan(pstmt, into, es, query_string, paramLI, queryEnv, - &planduration); + &planduration, (es->buffers ? &bufusage : NULL)); else ExplainOneUtility(pstmt->utilityStmt, into, es, query_string, paramLI, queryEnv); |