go.mod

@@ -13,6 +13,7 @@ require (
 	github.com/go-sql-driver/mysql v1.6.0
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/gwatts/gin-adapter v0.0.0-20170508204228-c44433c485ad
+	github.com/hashicorp/golang-lru v0.5.3 // indirect
 	github.com/huandu/go-clone v1.3.0
 	github.com/kr/text v0.2.0 // indirect
 	github.com/mattn/go-isatty v0.0.12

plugins/inputs/mysql/mysqld.go

@@ -148,7 +148,7 @@ func (m *MysqldExporter) Collect() ([]metric.Metric, error) {
 
 	metricFamilies, err := m.registry.Gather()
 	if err != nil {
-		return nil, errors.Wrap(err, "node exporter registry gather")
+		return nil, errors.Wrap(err, "mysql exporter registry gather")
 	}
 	for _, metricFamily := range metricFamilies {
 		metricsFromMetricFamily := metric.ParseFromMetricFamily(metricFamily)

plugins/inputs/mysql/table_input_test.go

@@ -130,7 +130,7 @@ func TestCollectConditionNotSatisfied(t *testing.T) {
         k1: 1
       collectConfig:
         - sql: select t1, t2, m1, m2 from test_metric
-          condition: k0
+          conditions: [k0]
           name: test
           tags:
             tag1: t1
@@ -161,7 +161,7 @@ func TestCollectConditionNotFound(t *testing.T) {
         k1: 1
       collectConfig:
         - sql: select t1, t2, m1, m2 from test_metric
-          condition: k2
+          conditions: [k2]
           name: test
           tags:
             tag1: t1
@@ -193,7 +193,7 @@ func TestCollectConditionNotBool(t *testing.T) {
         k2: x
       collectConfig:
         - sql: select t1, t2, m1, m2 from test_metric
-          condition: k2
+          conditions: [k2]
           name: test
           tags:
             tag1: t1