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| author | Magnus Hagander <magnus@hagander.net> | 2016-03-13 13:18:03 +0100 |
|---|---|---|
| committer | Magnus Hagander <magnus@hagander.net> | 2016-03-13 13:18:03 +0100 |
| commit | 7a8d8748362d4d8505e320c3eaab4a2c2463e3a6 (patch) | |
| tree | 78f6662170b707950285580125be6db118c18106 /contrib/auto_explain/auto_explain.c | |
| parent | a1aa8b7ea0558620106e25c27d0a70ee4ac9d6a8 (diff) | |
| download | postgresql-7a8d8748362d4d8505e320c3eaab4a2c2463e3a6.tar.gz postgresql-7a8d8748362d4d8505e320c3eaab4a2c2463e3a6.zip | |
Rename auto_explain.sample_ratio to sample_rate
Per suggestion from Tomas Vondra
Author: Julien Rouhaud
Diffstat (limited to 'contrib/auto_explain/auto_explain.c')
| -rw-r--r-- | contrib/auto_explain/auto_explain.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/contrib/auto_explain/auto_explain.c b/contrib/auto_explain/auto_explain.c index 6708d817fba..fcd11a00713 100644 --- a/contrib/auto_explain/auto_explain.c +++ b/contrib/auto_explain/auto_explain.c @@ -29,7 +29,7 @@ static bool auto_explain_log_triggers = false; static bool auto_explain_log_timing = true; static int auto_explain_log_format = EXPLAIN_FORMAT_TEXT; static bool auto_explain_log_nested_statements = false; -static double auto_explain_sample_ratio = 1; +static double auto_explain_sample_rate = 1; static const struct config_enum_entry format_options[] = { {"text", EXPLAIN_FORMAT_TEXT, false}, @@ -163,10 +163,10 @@ _PG_init(void) NULL, NULL); - DefineCustomRealVariable("auto_explain.sample_ratio", + DefineCustomRealVariable("auto_explain.sample_rate", "Fraction of queries to process.", NULL, - &auto_explain_sample_ratio, + &auto_explain_sample_rate, 1.0, 0.0, 1.0, @@ -209,11 +209,11 @@ static void explain_ExecutorStart(QueryDesc *queryDesc, int eflags) { /* - * For ratio sampling, randomly choose top-level statement. Either + * For rate sampling, randomly choose top-level statement. Either * all nested statements will be explained or none will. */ if (auto_explain_log_min_duration >= 0 && nesting_level == 0) - current_query_sampled = (random() < auto_explain_sample_ratio * + current_query_sampled = (random() < auto_explain_sample_rate * MAX_RANDOM_VALUE); if (auto_explain_enabled() && current_query_sampled) |