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Rename auto_explain.sample_ratio to sample_rate

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Per suggestion from Tomas Vondra

Author: Julien Rouhaud
This commit is contained in:
Magnus Hagander
2016-03-13 13:18:03 +01:00
parent a1aa8b7ea0
commit 7a8d874836
2 changed files with 11 additions and 12 deletions
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10
contrib/auto_explain/auto_explain.c
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@ -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)