[receiver/mysql] Do not export the function Query

.chloggen/mysqlreceicer-checkapi.yaml

@@ -0,0 +1,27 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: breaking
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: mysqlreceiver
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Do not export the function `Query`
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [26304]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [api]

cmd/checkapi/allowlist.txt

@@ -27,7 +27,6 @@ receiver/journaldreceiver
 receiver/kafkareceiver
 receiver/mongodbatlasreceiver
 receiver/mongodbreceiver
-receiver/mysqlreceiver
 receiver/podmanreceiver
 receiver/pulsarreceiver
 receiver/windowseventlogreceiver

receiver/mysqlreceiver/client.go

@@ -205,14 +205,14 @@ func (c *mySQLClient) getVersion() (string, error) {
 
 // getGlobalStats queries the db for global status metrics.
 func (c *mySQLClient) getGlobalStats() (map[string]string, error) {
-	query := "SHOW GLOBAL STATUS;"
-	return Query(*c, query)
+	q := "SHOW GLOBAL STATUS;"
+	return query(*c, q)
 }
 
 // getInnodbStats queries the db for innodb metrics.
 func (c *mySQLClient) getInnodbStats() (map[string]string, error) {
-	query := "SELECT name, count FROM information_schema.innodb_metrics WHERE name LIKE '%buffer_pool_size%';"
-	return Query(*c, query)
+	q := "SELECT name, count FROM information_schema.innodb_metrics WHERE name LIKE '%buffer_pool_size%';"
+	return query(*c, q)
 }
 
 // getTableIoWaitsStats queries the db for table_io_waits metrics.
@@ -505,7 +505,7 @@ func (c *mySQLClient) getReplicaStatusStats() ([]ReplicaStatusStats, error) {
 	return stats, nil
 }
 
-func Query(c mySQLClient, query string) (map[string]string, error) {
+func query(c mySQLClient, query string) (map[string]string, error) {
 	rows, err := c.client.Query(query)
 	if err != nil {
 		return nil, err