fixed IDENTIFIED BY KEY grammer. added more tests

Author: chernser

jdbc-v2/src/main/antlr4/com/clickhouse/jdbc/internal/ClickHouseParser.g4

@@ -168,7 +168,7 @@ userIdentifiedWithClause
     | LDAP SERVER literal
     | KERBEROS (REALM literal)?
     | SSL_CERTIFICATE CN literal
-    | SSH_KEY BY KEY literal TYPE literal
+    | SSH_KEY BY KEY literal TYPE literal (COMMA KEY literal TYPE literal)*
     | HTTP SERVER literal (SCHEMA literal)?
     ;
 

jdbc-v2/src/test/java/com/clickhouse/jdbc/internal/SqlParserTest.java

@@ -2,6 +2,7 @@
 
 
 import org.testng.Assert;
+import org.testng.annotations.DataProvider;
 import org.testng.annotations.Test;
 
 import static org.testng.Assert.assertEquals;
@@ -210,4 +211,34 @@ public void testStmtWithFunction() {
         ParsedPreparedStatement stmt = parser.parsePreparedStatement(sql);
         Assert.assertEquals(stmt.getArgCount(), 4);
     }
+
+    @Test(dataProvider = "testCreateStmtDP")
+    public void testCreateStatement(String sql) {
+        SqlParser parser = new SqlParser();
+        ParsedPreparedStatement stmt = parser.parsePreparedStatement(sql);
+        Assert.assertFalse(stmt.isHasErrors());
+    }
+
+    @DataProvider
+    public static Object[][] testCreateStmtDP() {
+        return new Object[][] {
+                {"CREATE USER 'user01' IDENTIFIED WITH no_password"},
+                {"CREATE USER 'user01' IDENTIFIED WITH plaintext_password BY 'qwerty'"},
+                {"CREATE USER 'user01' IDENTIFIED WITH sha256_password BY 'qwerty' or IDENTIFIED BY 'password'"},
+                {"CREATE USER 'user01' IDENTIFIED WITH sha256_hash BY 'hash' SALT 'salt'"},
+                {"CREATE USER 'user01' IDENTIFIED WITH sha256_hash BY 'hash'"},
+                {"CREATE USER 'user01' IDENTIFIED WITH double_sha1_password BY 'qwerty'"},
+                {"CREATE USER 'user01' IDENTIFIED WITH double_sha1_hash BY 'hash'"},
+                {"CREATE USER 'user01' IDENTIFIED WITH bcrypt_password BY 'qwerty'"},
+                {"CREATE USER 'user01' IDENTIFIED WITH bcrypt_hash BY 'hash'"},
+                {"CREATE USER 'user01' IDENTIFIED WITH ldap SERVER 'server_name'"},
+                {"CREATE USER 'user01' IDENTIFIED WITH kerberos"},
+                {"CREATE USER 'user01' IDENTIFIED WITH kerberos REALM 'realm'"},
+                {"CREATE USER 'user01' IDENTIFIED WITH ssl_certificate CN 'mysite.com:user'"},
+                {"CREATE USER 'user01' IDENTIFIED WITH ssh_key BY KEY 'public_key' TYPE 'ssh-rsa', KEY 'another_public_key' TYPE 'ssh-ed25519'"},
+                {"CREATE USER 'user01' IDENTIFIED WITH http SERVER 'http_server' SCHEME 'basic'"},
+                {"CREATE USER 'user01' IDENTIFIED WITH http SERVER 'http_server'"},
+                {"CREATE USER 'user01' IDENTIFIED BY 'qwerty'"},
+        };
+    }
 }