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influxdb/influxql/query
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Ayan George ca2055c16c
refactor: Replace ctx.Done() with ctx.Err() (#19546) 
* refactor: Replace ctx.Done() with ctx.Err()

Prior to this commit we checked for context cancellation with a select
block and context.Context.Done() without multiplexing over any other
channel like:

  select {
    case <-ctx.Done():
      // handle cancellation
    default:
      // fallthrough
  }

This commit replaces those type of blocks with a simple check of
ctx.Err().  This has the following benefits:

* Calling ctx.Err() is much faster than entering a select block.

* ctx.Done() allocates a channel when called for the first time.

* Testing the result of ctx.Err() is a reliable way of determininging if
  a context.Context value has been canceled.

* fix: Fix data race in execDeleteTagValueEntry()
 		2020-09-16 12:20:09 -04:00
..
internal chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
mocks feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
neldermead chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
call_iterator.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
call_iterator_test.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
cast.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
compile.go feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
compile_test.go feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
cursor.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
emitter.go refactor: move v2/v1/models to v2/models 2020-08-03 09:20:51 -07:00
execution_context.go feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
executor.go refactor: Replace ctx.Done() with ctx.Err() (#19546) 2020-09-16 12:20:09 -04:00
executor_test.go feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
explain.go feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
functions.gen.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
functions.gen.go.tmpl chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
functions.go feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
functions_test.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
iterator.gen.go chore(influxdb): Placate the linter. 2020-08-27 15:46:32 -04:00
iterator.gen.go.tmpl chore(influxdb): Placate the linter. 2020-08-27 15:46:32 -04:00
iterator.gen_test.go chore(influxql): Update to latest influxql master-1.x 2020-08-13 11:02:40 -07:00
iterator.go feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
iterator_mapper.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
iterator_mapper_test.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
iterator_test.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
linear.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
math.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
math_test.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
point.gen.go feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
point.gen.go.tmpl feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
point.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
point_test.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
proxy_executor.go feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
query.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
response.go feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
response_writer.go feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
result.go refactor: move v2/v1/models to v2/models 2020-08-03 09:20:51 -07:00
select.go feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
select_test.go feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
statement_rewriter.go chore(influxql): Update to latest influxql master-1.x 2020-08-13 11:02:40 -07:00
statement_rewriter_test.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
subquery.go chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00
subquery_test.go feat(influxql): Initial implementation of InfluxQL query engine 2020-08-14 12:37:30 -07:00
tmpldata chore(tsdb): Initial commit of tsdb package 2020-08-03 09:17:23 -07:00