feat(flink): add inset\drop\alter grammar

src/grammar/flinksql/FlinkSqlLexer.g4

@@ -267,9 +267,11 @@ BRACKETED_EMPTY_COMMENT:      'BRACKETED_EMPTY_COMMENT';
 BRACKETED_COMMENT:            'BRACKETED_COMMENT';
 WS:                           'WS';
 UNRECOGNIZED:                 'UNRECOGNIZED';
-REVERSE_QUOTE_ID:             '"' ~'"'+ '"';
+REVERSE_QUOTE_ID:              '`' ~'`'+ '`';
+DOUBLE_QUOTE_ID:              '"' ~'"'+ '"';
 DOT_ID:                       '.' ID_LITERAL;
 ID:                           ID_LITERAL;
+SYSTEM:                       'SYSTEM';
 
 
 // DATA TYPE Keywords
@@ -332,4 +334,4 @@ REVERSE_QUOTE_SYMB:                  '`';
 COLON_SYMB:                          ':';
 
 
-fragment ID_LITERAL:                 [A-Z_0-9a-z]*?[A-Z_a-z]+?[A-Z_0-9a-z]*;
+fragment ID_LITERAL:                 [A-Z_0-9a-z]*?[A-Z_a-z]+?[A-Z_0-9a-z]*;

src/grammar/flinksql/FlinkSqlParser.g4

@@ -30,20 +30,16 @@ dmlStatement
     : selectStatement | insertStatement
     ;
 
+
+// Create statements
+
 createTable
-    : CREATE TABLE tableName
+    : CREATE TABLE uid
     LR_BRACKET 
         columnOptionDefinition (COMMA columnOptionDefinition)*
     RR_BRACKET
     partitionDefinition?
-    WITH LR_BRACKET
-        withOptionDefinition (COMMA withOptionDefinition)*
-    RR_BRACKET
-    ;
-
-
-tableName
-    : ID (DOT_ID)*?
+    withOption
     ;
 
 columnOptionDefinition
@@ -74,54 +70,118 @@ partitionColumnName
     : ID
     ;
 
-withOptionDefinition
-    : REVERSE_QUOTE_ID EQUAL_SYMBOL REVERSE_QUOTE_ID
-    ;
-
 createDatabase
-    :
+    : CREATE DATABASE ifNotExists? uid withOption
     ;
 
 createView
-    :
+    : CREATE TEMPORARY? VIEW ifNotExists? uid AS selectStatement
     ;
 
 createFunction
     :
     ;
 
+// Alter statements
+
 alterTable
-    :
+    : ALTER TABLE uid (renameDefinition | setKeyValueDefinition)
+    ;
+
+renameDefinition
+    : RENAME TO uid
+    ;
+
+setKeyValueDefinition
+    : SET LR_BRACKET
+        keyValueDefinition (COMMA keyValueDefinition)*
+    RR_BRACKET
     ;
 
 alterDatabase
-    :
+    : ALTER DATABASE uid setKeyValueDefinition
     ;
 
 alterFunction
     :
     ;
 
+
+// Drop statements
+
 dropTable
-    :
+    : DROP TABLE ifExists uid
     ;
 
 dropDatabase
-    :
+    : DROP DATABASE ifExists uid dropType=(RESTRICT | CASCADE)?
     ;
 
 dropView
-    :
+    : DROP TEMPORARY? VIEW ifExists uid
     ;
 
 dropFunction
-    :
+    : DROP (TEMPORARY|TEMPORARY SYSTEM)? FUNCTION ifExists uid
     ;
 
+
+// Select statements
+
 selectStatement
     :
     ;
 
+
+// Insert statements
+
 insertStatement
-    :
+    : INSERT (INTO | OVERWRITE) uid
+    (
+        insertPartitionDefinition? selectStatement
+        | valuesDefinition
+    )
+    ;
+
+insertPartitionDefinition
+    : PARTITION LR_BRACKET
+        keyValueDefinition (COMMA keyValueDefinition)*
+    RR_BRACKET
+    ;
+
+valuesDefinition
+    : VALUES valuesRowDefinition (COMMA valuesRowDefinition)*
+    ;
+
+// TODO 匹配所有的值 任意value
+valuesRowDefinition
+    : LR_BRACKET
+        .*?
+    RR_BRACKET
+    ;
+
+// base common
+
+uidList
+    : uid (',' uid)*
+    ;
+
+uid
+    : ID (DOT_ID)*?
+    ;
+
+withOption
+    : WITH LR_BRACKET
+        keyValueDefinition (COMMA keyValueDefinition)*
+    RR_BRACKET
+    ;
+
+ifNotExists
+    : IF NOT EXISTS;
+
+ifExists
+    : IF EXISTS;
+
+keyValueDefinition
+    : DOUBLE_QUOTE_ID EQUAL_SYMBOL DOUBLE_QUOTE_ID
     ;