add SQL LENGTH() function as alias for len() (#5486)

brimdata · Nov 17, 2024 · 5c1851b · 5c1851b
1 parent b2c46ef
commit 5c1851b
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Showing 3 changed files with 11 additions and 2 deletions.
diff --git a/runtime/sam/expr/function/function.go b/runtime/sam/expr/function/function.go
@@ -34,7 +34,7 @@ func New(zctx *super.Context, name string, narg int) (expr.Function, field.Path,
 	case "grok":
 		argmin, argmax = 2, 3
 		f = newGrok(zctx)
-	case "len":
+	case "len", "length":
 		f = &LenFn{zctx: zctx}
 	case "abs":
 		f = &Abs{zctx: zctx}

diff --git a/runtime/vam/expr/function/function.go b/runtime/vam/expr/function/function.go
@@ -37,7 +37,7 @@ func New(zctx *super.Context, name string, narg int) (expr.Function, field.Path,
 		f = &Join{zctx: zctx}
 	case "kind":
 		f = &Kind{zctx: zctx}
-	case "len":
+	case "len", "length":
 		f = &Len{zctx}
 	case "levenshtein":
 		argmin, argmax = 2, 2

diff --git a/runtime/ztests/expr/function/length.yaml b/runtime/ztests/expr/function/length.yaml
@@ -0,0 +1,9 @@
+zed: SELECT LENGTH('W3Schools.com');
+
+vector: true
+
+input: |
+  null
+
+output: |
+  {length:13}