fix: missing slice import for querier (#1773)

* fix: missing slice import for querier

* whoops, fix test case

Author: jlisthood

internal/codegen/golang/imports.go

@@ -244,7 +244,8 @@ func (i *importer) interfaceImports() fileImports {
 				}
 			}
 			if !q.Arg.isEmpty() {
-				if strings.HasPrefix(q.Arg.Type(), name) {
+				argType := strings.TrimPrefix(q.Arg.Type(), "[]")
+				if strings.HasPrefix(argType, name) {
 					return true
 				}
 			}

internal/endtoend/testdata/unnest/postgresql/pgx/go/querier.go

@@ -7,7 +7,8 @@
       "sql_package": "pgx/v4",
       "name": "querytest",
       "schema": "schema.sql",
-      "queries": "query.sql"
+      "queries": "query.sql",
+      "emit_interface": true
     }
   ]
 }

internal/endtoend/testdata/unnest/postgresql/pgx/sqlc.json

@@ -6,7 +6,8 @@
       "engine": "postgresql",
       "name": "querytest",
       "schema": "schema.sql",
-      "queries": "query.sql"
+      "queries": "query.sql",
+      "emit_interface": true
     }
   ]
 }