* Show buffer usage details. */
| 4531 | * Show buffer usage details. |
| 4532 | */ |
| 4533 | static void |
| 4534 | show_buffer_usage(ExplainState *es, const BufferUsage *usage, bool planning) |
| 4535 | { |
| 4536 | if (es->format == EXPLAIN_FORMAT_TEXT) |
| 4537 | { |
| 4538 | bool has_shared = (usage->shared_blks_hit > 0 || |
| 4539 | usage->shared_blks_read > 0 || |
| 4540 | usage->shared_blks_dirtied > 0 || |
| 4541 | usage->shared_blks_written > 0); |
| 4542 | bool has_local = (usage->local_blks_hit > 0 || |
| 4543 | usage->local_blks_read > 0 || |
| 4544 | usage->local_blks_dirtied > 0 || |
| 4545 | usage->local_blks_written > 0); |
| 4546 | bool has_temp = (usage->temp_blks_read > 0 || |
| 4547 | usage->temp_blks_written > 0); |
| 4548 | bool has_timing = (!INSTR_TIME_IS_ZERO(usage->blk_read_time) || |
| 4549 | !INSTR_TIME_IS_ZERO(usage->blk_write_time)); |
| 4550 | bool show_planning = (planning && (has_shared || |
| 4551 | has_local || has_temp || has_timing)); |
| 4552 | |
| 4553 | if (show_planning) |
| 4554 | { |
| 4555 | ExplainIndentText(es); |
| 4556 | appendStringInfoString(es->str, "Planning:\n"); |
| 4557 | es->indent++; |
| 4558 | } |
| 4559 | |
| 4560 | /* Show only positive counter values. */ |
| 4561 | if (has_shared || has_local || has_temp) |
| 4562 | { |
| 4563 | ExplainIndentText(es); |
| 4564 | appendStringInfoString(es->str, "Buffers:"); |
| 4565 | |
| 4566 | if (has_shared) |
| 4567 | { |
| 4568 | appendStringInfoString(es->str, " shared"); |
| 4569 | if (usage->shared_blks_hit > 0) |
| 4570 | appendStringInfo(es->str, " hit=%lld", |
| 4571 | (long long) usage->shared_blks_hit); |
| 4572 | if (usage->shared_blks_read > 0) |
| 4573 | appendStringInfo(es->str, " read=%lld", |
| 4574 | (long long) usage->shared_blks_read); |
| 4575 | if (usage->shared_blks_dirtied > 0) |
| 4576 | appendStringInfo(es->str, " dirtied=%lld", |
| 4577 | (long long) usage->shared_blks_dirtied); |
| 4578 | if (usage->shared_blks_written > 0) |
| 4579 | appendStringInfo(es->str, " written=%lld", |
| 4580 | (long long) usage->shared_blks_written); |
| 4581 | if (has_local || has_temp) |
| 4582 | appendStringInfoChar(es->str, ','); |
| 4583 | } |
| 4584 | if (has_local) |
| 4585 | { |
| 4586 | appendStringInfoString(es->str, " local"); |
| 4587 | if (usage->local_blks_hit > 0) |
| 4588 | appendStringInfo(es->str, " hit=%lld", |
| 4589 | (long long) usage->local_blks_hit); |
| 4590 | if (usage->local_blks_read > 0) |
no test coverage detected