mihaibudiu commented on code in PR #4844:
URL: https://github.com/apache/calcite/pull/4844#discussion_r3076409987
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babel/src/test/java/org/apache/calcite/test/BabelParserTest.java:
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@@ -301,6 +306,101 @@ private void checkParseInfixCast(String sqlType) {
sql(sql).ok(expected);
}
+ @Test void testColonFieldAccessWithInfixCast() {
+ final SqlParserFixture f =
+ fixture().withConformance(new SqlAbstractConformance() {
+ @Override public boolean isColonFieldAccessAllowed() {
+ return true;
+ }
+ });
+
+ // Bracket after :: binds to the type, not as subscript on the cast result
+ sql("select v::varchar[1] from t")
+ .ok("SELECT `V` :: VARCHAR[1]\nFROM `T`");
+ f.sql("select v::varchar[1] from t")
+ .ok("SELECT `V` :: VARCHAR[1]\nFROM `T`");
+
+ // Explicit parentheses make no difference — bracket still binds to the
type
+ sql("select (v::varchar)[1] from t")
+ .ok("SELECT `V` :: VARCHAR[1]\nFROM `T`");
+ f.sql("select (v::varchar)[1] from t")
+ .ok("SELECT `V` :: VARCHAR[1]\nFROM `T`");
+
+ // Array type with bracket
+ sql("select v::integer array[1] from t")
+ .ok("SELECT `V` :: INTEGER ARRAY[1]\nFROM `T`");
+ f.sql("select v::integer array[1] from t")
+ .ok("SELECT `V` :: INTEGER ARRAY[1]\nFROM `T`");
+
+ // Parenthesized array type with bracket
+ sql("select (v::integer array)[1] from t")
+ .ok("SELECT `V` :: INTEGER ARRAY[1]\nFROM `T`");
+ f.sql("select (v::integer array)[1] from t")
+ .ok("SELECT `V` :: INTEGER ARRAY[1]\nFROM `T`");
+
+ // Multiple brackets bind to the type
+ sql("select v::varchar[1][2] from t")
+ .ok("SELECT `V` :: VARCHAR[1][2]\nFROM `T`");
Review Comment:
But `VARCHAR[1]` is not a type. What does this mean?
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