HuangZhenQiu commented on a change in pull request #10240: [FLINK-14841][table]
add create and drop function ddl in SQL parser
URL: https://github.com/apache/flink/pull/10240#discussion_r347725667
##########
File path:
flink-table/flink-sql-parser/src/main/codegen/includes/parserImpls.ftl
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@@ -177,6 +177,87 @@ SqlDescribeDatabase SqlDescribeDatabase() :
}
+SqlCreate SqlCreateFunction(Span s, boolean replace) :
+{
+ SqlIdentifier functionName = null;
+ SqlCharStringLiteral functionClassName = null;
+ String functionLanguage = null;
+ boolean ifNotExists = false;
+ boolean hasTemporary = false;
+ boolean isSystemFunction = false;
+}
+{
+ [
+ <TEMPORARY> {hasTemporary = true;}
+ (
+ <SYSTEM> { isSystemFunction = true; }
+ |
+ {isSystemFunction = false; }
+ )
+ ]
+ <FUNCTION>
+ (
+ <IF> <NOT> <EXISTS> { ifNotExists = true; }
+ |
+ { ifNotExists = false; }
+ )
+ functionName = CompoundIdentifier()
+ <AS> <QUOTED_STRING> {
+ String p = SqlParserUtil.parseString(token.image);
+ functionClassName = SqlLiteral.createCharString(p, getPos());
+ }
+ [<LANGUAGE>
+ (
+ <JAVA> { functionLanguage = "JAVA"; }
+ |
+ <SCALA> { functionLanguage = "SCALA"; }
+ |
+ <SQL> { functionLanguage = "SQL"; }
+ )
+ ]
+ {
+ return new SqlCreateFunction(s.pos(), functionName, functionClassName,
functionLanguage,
+ ifNotExists, hasTemporary, isSystemFunction);
+ }
+}
+
+SqlDrop SqlDropFunction(Span s, boolean replace) :
+{
+ SqlIdentifier functionName = null;
+ String functionLanguage = null;
+ boolean ifExists = false;
+ boolean hasTemporary = false;
Review comment:
Yes
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