bowenli86 commented on a change in pull request #10209: [FLINK-14688] Add table
related DDLs support in SQL Parser
URL: https://github.com/apache/flink/pull/10209#discussion_r348084750
##########
File path:
flink-table/flink-sql-parser/src/main/codegen/includes/parserImpls.ftl
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@@ -177,6 +177,65 @@ SqlDescribeDatabase SqlDescribeDatabase() :
}
+/**
+* Parse a "Show Tables" metadata query command.
+*/
+SqlShowTables SqlShowTables() :
+{
+}
+{
+ <SHOW> <TABLES>
+ {
+ return new SqlShowTables(getPos());
+ }
+}
+
+/**
+ * DESCRIBE [ EXTENDED] [[catalogName.] dataBasesName].tableName sql call.
+ * Here we add Rich in className to distinguish from calcite's original
SqlDescribeTable.
+ */
+SqlRichDescribeTable SqlRichDescribeTable() :
+{
+ SqlIdentifier tableName;
+ SqlParserPos pos;
+ boolean isExtended = false;
+}
+{
+ <DESCRIBE> { pos = getPos();}
+ [ <EXTENDED> { isExtended = true;} ]
+ tableName = CompoundIdentifier()
+ {
+ return new SqlRichDescribeTable(pos, tableName, isExtended);
+ }
+}
+
+SqlAlterTable SqlAlterTable() :
+{
+ SqlParserPos startPos;
+ SqlIdentifier tableName;
+ SqlIdentifier newTableName = null;
Review comment:
rename to `tableIdentifier` and `newTableIdentifier`?
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