checking for type in map

vl4deee11 · vl4deee11 · commit 0514ba2f7a50 · 2021-08-24T17:59:29.000+03:00
diff --git a/lib/column/array.go b/lib/column/array.go
@@ -139,7 +139,12 @@ func (array *Array) read(readColumn columnDecoder, offsets [][]uint64, index uin
 			return nil, err
 		}
 		if array.nullable && level == array.depth-1 {
-			cSlice, err := nullableAppender[scanT.String()](value, slice)
+			f, ok := nullableAppender[scanT.String()]
+			if !ok {
+				return nil, fmt.Errorf("unsupported Array type '%s'", scanT.String())
+			}
+
+			cSlice, err := f(value, slice)
 			if err != nil {
 				return nil, err
 			}

Original file line number	Diff line number	Diff line change
`@@ -139,7 +139,12 @@ func (array *Array) read(readColumn columnDecoder, offsets [][]uint64, index uin`
`139`	`139`	`return nil, err`
`140`	`140`	`}`
`141`	`141`	`if array.nullable && level == array.depth-1 {`
`142`		`- cSlice, err := nullableAppender[scanT.String()](value, slice)`
	`142`	`+ f, ok := nullableAppender[scanT.String()]`
	`143`	`+ if !ok {`
	`144`	`+ return nil, fmt.Errorf("unsupported Array type '%s'", scanT.String())`
	`145`	`+ }`
	`146`	`+`
	`147`	`+ cSlice, err := f(value, slice)`
`143`	`148`	`if err != nil {`
`144`	`149`	`return nil, err`
`145`	`150`	`}`