query_details parser: stop matching leading \b

Author: ethanyzhang

presto/plan_node/details.go

@@ -24,9 +24,9 @@ type (
 var (
 	planNodeDetailLexer = lexer.MustStateful(lexer.Rules{
 		"Root": {
-			{"DataType", `(?i)\b(BIGINT|INTEGER|SMALLINT|TINYINT|REAL|DECIMAL|VARCHAR|DATE|TIMESTAMP)\b`, nil},
-			{"Cast", `(?i)\bCAST\b`, nil},
-			{"As", `(?i)\bAS\b`, nil},
+			{"DataType", `(?i)(BIGINT|INTEGER|SMALLINT|TINYINT|REAL|DECIMAL|VARCHAR|DATE|TIMESTAMP)\b`, nil},
+			{"Cast", `(?i)CAST\b`, nil},
+			{"As", `(?i)AS\b`, nil},
 			{"Ident", `[a-zA-Z_$][\w.$]*`, nil},
 			{"Int", `-?\d+`, nil},
 			{"Assign", `:=`, nil},
@@ -41,7 +41,7 @@ var (
 	PlanNodeDetailParserOptions = []participle.Option{
 		participle.Lexer(planNodeDetailLexer),
 		participle.CaseInsensitive("DataType", "Cast", "As"),
-		participle.Elide("Whitespace", "EOL"),
+		participle.Elide("Whitespace"),
 		participle.Union[Value](
 			&HiveColumnHandle{},
 			&FunctionCall{},

presto/plan_node/details_test.go

@@ -179,8 +179,7 @@ func TestParseAssignment(t *testing.T) {
 			`array_agg_51 := "presto.default.array_agg"((name_35)) ORDER BY OrderingScheme {orderBy='[Ordering {variable='name_35', sortOrder='ASC_NULLS_LAST'}]', orderings='{name_35=ASC_NULLS_LAST}'} (6:21)`,
 			`branded_car_enrollment.target_id := car_id (22:5)`,
 			`expr_5 := ((b) + (INTEGER'1')) - ((INTEGER'2') * (abs(c))) (10:6)`,
-			`date_format_5 := date_format(CAST(CAST(period_hour_local_date AS date) AS timestamp), VARCHAR'%Y-%m-%d') (8:12)
-`,
+			`date_format_5 := date_format(CAST(CAST(period_hour_local_date AS date) AS timestamp), VARCHAR'%Y-%m-%d') (8:12)`,
 		},
 		[]plan_node.Assignment{
 			{ // case 0