session, metrics: refine the resource control metrics (#41045)

ref #38825
pingcap · Feb 6, 2023 · b78c62f · b78c62f
1 parent ddaf0d7
commit b78c62f
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Showing 6 changed files with 88 additions and 70 deletions.
diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go
@@ -84,7 +84,6 @@ const (
 	// When setting the placement policy with "PLACEMENT POLICY `default`",
 	// it means to remove placement policy from the specified object.
 	defaultPlacementPolicyName        = "default"
-	defaultResourceGroupName          = "default"
 	tiflashCheckPendingTablesWaitTime = 3000 * time.Millisecond
 	// Once tiflashCheckPendingTablesLimit is reached, we trigger a limiter detection.
 	tiflashCheckPendingTablesLimit = 100
@@ -7635,7 +7634,7 @@ func (d *ddl) CreateResourceGroup(ctx sessionctx.Context, stmt *ast.CreateResour
 		return infoschema.ErrResourceGroupExists.GenWithStackByArgs(groupName)
 	}
 
-	if groupName.L == defaultResourceGroupName {
+	if groupName.L == variable.DefaultResourceGroupName {
 		return errors.Trace(infoschema.ErrReservedSyntax.GenWithStackByArgs(groupName))
 	}