Consistently use NULL for invalid GUC unit strings

bmomjian · bmomjian · commit d6c8e8d7aca9 · 2014-10-13T16:11:43.000-04:00
Patch by Euler Taveira
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
@@ -7734,7 +7734,7 @@ GetConfigOptionByNum(int varnum, const char **values, bool *noshow)
 				values[2] = "min";
 				break;
 			default:
-				values[2] = "";
+				values[2] = NULL;
 				break;
 		}
 	}

Original file line number	Diff line number	Diff line change
`@@ -7734,7 +7734,7 @@ GetConfigOptionByNum(int varnum, const char *values, bool noshow)`
`7734`	`7734`	`values[2] = "min";`
`7735`	`7735`	`break;`
`7736`	`7736`	`default:`
`7737`		`- values[2] = "";`
	`7737`	`+ values[2] = NULL;`
`7738`	`7738`	`break;`
`7739`	`7739`	`}`
`7740`	`7740`	`}`