Test/hive dml (#155)

* feat: add showIndex parser rule

* test: uncomment show index test cases

* test: add unit tests about DML syntax to HiveSQL

* test: add unit tests about export and import syntax to HiveSQL

* refactor: recompile hive grammar

* test: correct description of HiveSQL unit tests

src/grammar/hive/HiveSqlParser.g4

@@ -346,6 +346,7 @@ showStatement
     | KW_SHOW KW_CONF StringLiteral
     | KW_SHOW KW_RESOURCE (KW_PLAN rp_name=id_ | KW_PLANS)
     | KW_SHOW KW_DATACONNECTORS
+    | KW_SHOW KW_FORMATTED? ( KW_INDEX | KW_INDEXES ) KW_ON tableName (from_in id_)?
     ;
 
 showTablesFilterExpr

src/lib/hive/HiveSqlLexer.ts

@@ -1,4 +1,4 @@
-// Generated from /Users/xuxiaoqi/Documents/dt-sql-parser-copy/src/grammar/hive/HiveSqlLexer.g4 by ANTLR 4.9.0-SNAPSHOT
+// Generated from /Users/hayden/Desktop/dt-works/dt-sql-parser/src/grammar/hive/HiveSqlLexer.g4 by ANTLR 4.9.0-SNAPSHOT
 
 
 import { ATN } from "antlr4ts/atn/ATN";

src/lib/hive/HiveSqlParserListener.ts

@@ -1,4 +1,4 @@
-// Generated from /Users/xuxiaoqi/Documents/dt-sql-parser-copy/src/grammar/hive/HiveSqlParser.g4 by ANTLR 4.9.0-SNAPSHOT
+// Generated from /Users/hayden/Desktop/dt-works/dt-sql-parser/src/grammar/hive/HiveSqlParser.g4 by ANTLR 4.9.0-SNAPSHOT
 
 
 import { ParseTreeListener } from "antlr4ts/tree/ParseTreeListener";

src/lib/hive/HiveSqlParserVisitor.ts

@@ -1,4 +1,4 @@
-// Generated from /Users/xuxiaoqi/Documents/dt-sql-parser-copy/src/grammar/hive/HiveSqlParser.g4 by ANTLR 4.9.0-SNAPSHOT
+// Generated from /Users/hayden/Desktop/dt-works/dt-sql-parser/src/grammar/hive/HiveSqlParser.g4 by ANTLR 4.9.0-SNAPSHOT
 
 
 import { ParseTreeVisitor } from "antlr4ts/tree/ParseTreeVisitor";