fix insert default values statements not parsing

src/main/java/net/sf/jsqlparser/parser/ParserKeywordsUtils.java

@@ -60,6 +60,7 @@ public class ParserKeywordsUtils {
             {"CREATE", RESTRICTED_ALIAS},
             {"CROSS", RESTRICTED_SQL2016},
             {"CURRENT", RESTRICTED_JSQLPARSER},
+            {"DEFAULT", RESTRICTED_ALIAS},
             {"DISTINCT", RESTRICTED_SQL2016},
             {"DOUBLE", RESTRICTED_ALIAS},
             {"ELSE", RESTRICTED_JSQLPARSER},

src/main/java/net/sf/jsqlparser/statement/insert/Insert.java

@@ -37,6 +37,7 @@ public class Insert implements Statement {
     private OracleHint oracleHint = null;
     private ExpressionList<Column> columns;
     private Select select;
+    private boolean onlyDefaultValues = false;
     private List<UpdateSet> duplicateUpdateSets = null;
     private InsertModifierPriority modifierPriority = null;
     private boolean modifierIgnore = false;
@@ -162,7 +163,6 @@ public void setModifierIgnore(boolean modifierIgnore) {
         this.modifierIgnore = modifierIgnore;
     }
 
-
     @Deprecated
     public boolean isUseSet() {
         return setUpdateSets != null && !setUpdateSets.isEmpty();
@@ -176,6 +176,19 @@ public void setWithItemsList(List<WithItem> withItemsList) {
         this.withItemsList = withItemsList;
     }
 
+    public boolean isOnlyDefaultValues() {
+        return onlyDefaultValues;
+    }
+
+    public void setOnlyDefaultValues(boolean onlyDefaultValues) {
+        this.onlyDefaultValues = onlyDefaultValues;
+    }
+
+    public Insert withOnlyDefaultValues(boolean onlyDefaultValues) {
+        this.setOnlyDefaultValues(onlyDefaultValues);
+        return this;
+    }
+
     public InsertConflictTarget getConflictTarget() {
         return conflictTarget;
     }
@@ -230,6 +243,10 @@ public String toString() {
         sql.append("INTO ");
         sql.append(table).append(" ");
 
+        if (onlyDefaultValues) {
+            sql.append("DEFAULT VALUES");
+        }
+
         if (columns != null) {
             sql.append("(");
             for (int i = 0; i < columns.size(); i++) {

src/main/java/net/sf/jsqlparser/util/deparser/InsertDeParser.java

@@ -64,6 +64,11 @@ public void deParse(Insert insert) {
         buffer.append("INTO ");
 
         buffer.append(insert.getTable().toString());
+
+        if (insert.isOnlyDefaultValues()) {
+            buffer.append(" DEFAULT VALUES");
+        }
+
         if (insert.getColumns() != null) {
             buffer.append(" (");
             for (Iterator<Column> iter = insert.getColumns().iterator(); iter.hasNext();) {

src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt

@@ -1602,6 +1602,8 @@ Insert Insert( List<WithItem> with ):
     [ outputClause = OutputClause() { insert.setOutputClause(outputClause); } ]
 
     (
+        <K_DEFAULT> <K_VALUES> { insert.setOnlyDefaultValues(true); }
+        |
         (
             <K_SET> updateSets = UpdateSets() { insert.withSetUpdateSets(updateSets); }
         )
@@ -1959,7 +1961,7 @@ String RelObjectNameWithoutValue() :
 {    Token tk = null; }
 {
     ( tk=<DATA_TYPE> | tk=<S_IDENTIFIER> | tk=<S_QUOTED_IDENTIFIER> |  tk=<K_DATE_LITERAL> | tk=<K_DATETIMELITERAL> | tk=<K_STRING_FUNCTION_NAME> | tk=<K_ISOLATION> | tk=<K_TIME_KEY_EXPR> | tk=<K_TEXT_LITERAL> 
-       | tk="ACTION" | tk="ACTIVE" | tk="ADD" | tk="ADVANCE" | tk="ADVISE" | tk="AGAINST" | tk="ALGORITHM" | tk="ALTER" | tk="ANALYZE" | tk="APPLY" | tk="APPROXIMATE" | tk="ARCHIVE" | tk="ARRAY" | tk="ASC" | tk="AT" | tk="AUTHORIZATION" | tk="AUTO" | tk="BASE64" | tk="BEGIN" | tk="BERNOULLI" | tk="BINARY" | tk="BIT" | tk="BLOCK" | tk="BROWSE" | tk="BUFFERS" | tk="BY" | tk="BYTE" | tk="BYTES" | tk="CACHE" | tk="CALL" | tk="CASCADE" | tk="CASE" | tk="CAST" | tk="CHANGE" | tk="CHANGES" | tk="CHAR" | tk="CHARACTER" | tk="CHECKPOINT" | tk="CLOSE" | tk="COLLATE" | tk="COLUMN" | tk="COLUMNS" | tk="COMMENT" | tk="COMMIT" | tk="CONCURRENTLY" | tk="CONFLICT" | tk="CONSTRAINTS" | tk="CONVERT" | tk="COSTS" | tk="CS" | tk="CYCLE" | tk="DATA" | tk="DATABASE" | tk="DATETIME" | tk="DBA_RECYCLEBIN" | tk="DDL" | tk="DECLARE" | tk="DEFAULT" | tk="DEFERRABLE" | tk="DELAYED" | tk="DELETE" | tk="DESC" | tk="DESCRIBE" | tk="DISABLE" | tk="DISCONNECT" | tk="DIV" | tk="DML" | tk="DO" | tk="DOMAIN" | tk="DROP" | tk="DUMP" | tk="DUPLICATE" | tk="ELEMENTS" | tk="EMIT" | tk="ENABLE" | tk="END" | tk="ESCAPE" | tk="EXCLUDE" | tk="EXEC" | tk="EXECUTE" | tk="EXPLAIN" | tk="EXPLICIT" | tk="EXTENDED" | tk="EXTRACT" | tk="FALSE" | tk="FILTER" | tk="FIRST" | tk="FLUSH" | tk="FN" | tk="FOLLOWING" | tk="FORMAT" | tk="FULLTEXT" | tk="FUNCTION" | tk="GRANT" | tk="GROUP_CONCAT" | tk="GUARD" | tk="HASH" | tk="HIGH_PRIORITY" | tk="HISTORY" | tk="HOPPING" | tk="INCLUDE" | tk="INCLUDE_NULL_VALUES" | tk="INCREMENT" | tk="INDEX" | tk="INSERT" | tk="INTERLEAVE" | tk="INTERPRET" | tk="INVALIDATE" | tk="ISNULL" | tk="JSON" | tk="JSON_ARRAY" | tk="JSON_ARRAYAGG" | tk="JSON_OBJECT" | tk="JSON_OBJECTAGG" | tk="KEEP" | tk="KEY" | tk="KEYS" | tk="LAST" | tk="LEADING" | tk="LINK" | tk="LOCAL" | tk="LOCKED" | tk="LOG" | tk="LONGTEXT" | tk="LOOP" | tk="LOW_PRIORITY" | tk="MATCH" | tk="MATCHED" | tk="MATERIALIZED" | tk="MAX" | tk="MAXVALUE" | tk="MEDIUMTEXT" | tk="MEMBER" | tk="MERGE" | tk="MIN" | tk="MINVALUE" | tk="MODIFY" | tk="MOVEMENT" | tk="NEXT" | tk="NO" | tk="NOCACHE" | tk="NOKEEP" | tk="NOLOCK" | tk="NOMAXVALUE" | tk="NOMINVALUE" | tk="NOORDER" | tk="NOTHING" | tk="NOTNULL" | tk="NOVALIDATE" | tk="NOWAIT" | tk="NULLS" | tk="OF" | tk="OFF" | tk="OPEN" | tk="OVER" | tk="OVERLAPS" | tk="PARALLEL" | tk="PARENT" | tk="PARTITION" | tk="PATH" | tk="PERCENT" | tk="PLACING" | tk="PRECEDING" | tk="PRIMARY" | tk="PRIOR" | tk="PURGE" | tk="QUERY" | tk="QUICK" | tk="QUIESCE" | tk="RANGE" | tk="RAW" | tk="READ" | tk="RECURSIVE" | tk="RECYCLEBIN" | tk="REFERENCES" | tk="REFRESH" | tk="REGEXP" | tk="REGISTER" | tk="REMOTE" | tk="RENAME" | tk="REPEATABLE" | tk="REPLACE" | tk="RESET" | tk="RESPECT" | tk="RESTART" | tk="RESTRICT" | tk="RESTRICTED" | tk="RESUMABLE" | tk="RESUME" | tk="RETURN" | tk="RLIKE" | tk="ROLLBACK" | tk="ROLLUP" | tk="ROOT" | tk="ROW" | tk="ROWS" | tk="RR" | tk="RS" | tk="SAFE_CAST" | tk="SAVEPOINT" | tk="SCHEMA" | tk="SECURE" | tk="SEED" | tk="SEPARATOR" | tk="SEQUENCE" | tk="SESSION" | tk="SETS" | tk="SHARE" | tk="SHOW" | tk="SHUTDOWN" | tk="SIBLINGS" | tk="SIGNED" | tk="SIMILAR" | tk="SIZE" | tk="SKIP" | tk="STORED" | tk="STRING" | tk="STRUCT" | tk="SUSPEND" | tk="SWITCH" | tk="SYNONYM" | tk="SYSTEM" | tk="TABLE" | tk="TABLESPACE" | tk="TEMP" | tk="TEMPORARY" | tk="TEXT" | tk="THEN" | tk="TIMEOUT" | tk="TIMESTAMPTZ" | tk="TIMEZONE" | tk="TINYTEXT" | tk="TO" | tk="TRIGGER" | tk="TRUE" | tk="TRUNCATE" | tk="TRY_CAST" | tk="TUMBLING" | tk="TYPE" | tk="UNLOGGED" | tk="UNQIESCE" | tk="UNSIGNED" | tk="UPDATE" | tk="UPSERT" | tk="UR" | tk="USER" | tk="VALIDATE" | tk="VERBOSE" | tk="VIEW" | tk="VOLATILE" | tk="WAIT" | tk="WITHIN" | tk="WITHOUT" | tk="WITHOUT_ARRAY_WRAPPER" | tk="WORK" | tk="XML" | tk="XMLAGG" | tk="XMLDATA" | tk="XMLSCHEMA" | tk="XMLTEXT" | tk="XSINIL" | tk="YAML" | tk="YES" | tk="ZONE" )
+       | tk="ACTION" | tk="ACTIVE" | tk="ADD" | tk="ADVANCE" | tk="ADVISE" | tk="AGAINST" | tk="ALGORITHM" | tk="ALTER" | tk="ANALYZE" | tk="APPLY" | tk="APPROXIMATE" | tk="ARCHIVE" | tk="ARRAY" | tk="ASC" | tk="AT" | tk="AUTHORIZATION" | tk="AUTO" | tk="BASE64" | tk="BEGIN" | tk="BERNOULLI" | tk="BINARY" | tk="BIT" | tk="BLOCK" | tk="BROWSE" | tk="BUFFERS" | tk="BY" | tk="BYTE" | tk="BYTES" | tk="CACHE" | tk="CALL" | tk="CASCADE" | tk="CASE" | tk="CAST" | tk="CHANGE" | tk="CHANGES" | tk="CHAR" | tk="CHARACTER" | tk="CHECKPOINT" | tk="CLOSE" | tk="COLLATE" | tk="COLUMN" | tk="COLUMNS" | tk="COMMENT" | tk="COMMIT" | tk="CONCURRENTLY" | tk="CONFLICT" | tk="CONSTRAINTS" | tk="CONVERT" | tk="COSTS" | tk="CS" | tk="CYCLE" | tk="DATA" | tk="DATABASE" | tk="DATETIME" | tk="DBA_RECYCLEBIN" | tk="DDL" | tk="DECLARE" | tk="DEFERRABLE" | tk="DELAYED" | tk="DELETE" | tk="DESC" | tk="DESCRIBE" | tk="DISABLE" | tk="DISCONNECT" | tk="DIV" | tk="DML" | tk="DO" | tk="DOMAIN" | tk="DROP" | tk="DUMP" | tk="DUPLICATE" | tk="ELEMENTS" | tk="EMIT" | tk="ENABLE" | tk="END" | tk="ESCAPE" | tk="EXCLUDE" | tk="EXEC" | tk="EXECUTE" | tk="EXPLAIN" | tk="EXPLICIT" | tk="EXTENDED" | tk="EXTRACT" | tk="FALSE" | tk="FILTER" | tk="FIRST" | tk="FLUSH" | tk="FN" | tk="FOLLOWING" | tk="FORMAT" | tk="FULLTEXT" | tk="FUNCTION" | tk="GRANT" | tk="GROUP_CONCAT" | tk="GUARD" | tk="HASH" | tk="HIGH_PRIORITY" | tk="HISTORY" | tk="HOPPING" | tk="INCLUDE" | tk="INCLUDE_NULL_VALUES" | tk="INCREMENT" | tk="INDEX" | tk="INSERT" | tk="INTERLEAVE" | tk="INTERPRET" | tk="INVALIDATE" | tk="ISNULL" | tk="JSON" | tk="JSON_ARRAY" | tk="JSON_ARRAYAGG" | tk="JSON_OBJECT" | tk="JSON_OBJECTAGG" | tk="KEEP" | tk="KEY" | tk="KEYS" | tk="LAST" | tk="LEADING" | tk="LINK" | tk="LOCAL" | tk="LOCKED" | tk="LOG" | tk="LONGTEXT" | tk="LOOP" | tk="LOW_PRIORITY" | tk="MATCH" | tk="MATCHED" | tk="MATERIALIZED" | tk="MAX" | tk="MAXVALUE" | tk="MEDIUMTEXT" | tk="MEMBER" | tk="MERGE" | tk="MIN" | tk="MINVALUE" | tk="MODIFY" | tk="MOVEMENT" | tk="NEXT" | tk="NO" | tk="NOCACHE" | tk="NOKEEP" | tk="NOLOCK" | tk="NOMAXVALUE" | tk="NOMINVALUE" | tk="NOORDER" | tk="NOTHING" | tk="NOTNULL" | tk="NOVALIDATE" | tk="NOWAIT" | tk="NULLS" | tk="OF" | tk="OFF" | tk="OPEN" | tk="OVER" | tk="OVERLAPS" | tk="PARALLEL" | tk="PARENT" | tk="PARTITION" | tk="PATH" | tk="PERCENT" | tk="PLACING" | tk="PRECEDING" | tk="PRIMARY" | tk="PRIOR" | tk="PURGE" | tk="QUERY" | tk="QUICK" | tk="QUIESCE" | tk="RANGE" | tk="RAW" | tk="READ" | tk="RECURSIVE" | tk="RECYCLEBIN" | tk="REFERENCES" | tk="REFRESH" | tk="REGEXP" | tk="REGISTER" | tk="REMOTE" | tk="RENAME" | tk="REPEATABLE" | tk="REPLACE" | tk="RESET" | tk="RESPECT" | tk="RESTART" | tk="RESTRICT" | tk="RESTRICTED" | tk="RESUMABLE" | tk="RESUME" | tk="RETURN" | tk="RLIKE" | tk="ROLLBACK" | tk="ROLLUP" | tk="ROOT" | tk="ROW" | tk="ROWS" | tk="RR" | tk="RS" | tk="SAFE_CAST" | tk="SAVEPOINT" | tk="SCHEMA" | tk="SECURE" | tk="SEED" | tk="SEPARATOR" | tk="SEQUENCE" | tk="SESSION" | tk="SETS" | tk="SHARE" | tk="SHOW" | tk="SHUTDOWN" | tk="SIBLINGS" | tk="SIGNED" | tk="SIMILAR" | tk="SIZE" | tk="SKIP" | tk="STORED" | tk="STRING" | tk="STRUCT" | tk="SUSPEND" | tk="SWITCH" | tk="SYNONYM" | tk="SYSTEM" | tk="TABLE" | tk="TABLESPACE" | tk="TEMP" | tk="TEMPORARY" | tk="TEXT" | tk="THEN" | tk="TIMEOUT" | tk="TIMESTAMPTZ" | tk="TIMEZONE" | tk="TINYTEXT" | tk="TO" | tk="TRIGGER" | tk="TRUE" | tk="TRUNCATE" | tk="TRY_CAST" | tk="TUMBLING" | tk="TYPE" | tk="UNLOGGED" | tk="UNQIESCE" | tk="UNSIGNED" | tk="UPDATE" | tk="UPSERT" | tk="UR" | tk="USER" | tk="VALIDATE" | tk="VERBOSE" | tk="VIEW" | tk="VOLATILE" | tk="WAIT" | tk="WITHIN" | tk="WITHOUT" | tk="WITHOUT_ARRAY_WRAPPER" | tk="WORK" | tk="XML" | tk="XMLAGG" | tk="XMLDATA" | tk="XMLSCHEMA" | tk="XMLTEXT" | tk="XSINIL" | tk="YAML" | tk="YES" | tk="ZONE" )
     { return tk.image; }
 }
 
@@ -1973,7 +1975,7 @@ String RelObjectName() :
     (result = RelObjectNameWithoutValue()
         | tk=<K_GROUP> | tk=<K_INTERVAL> | tk=<K_ON>  | tk=<K_START> | tk=<K_TOP> | tk=<K_VALUE>
         | tk=<K_VALUES> | tk=<K_CREATE> | tk=<K_TABLES> | tk=<K_CONNECT> | tk=<K_IGNORE >
-        | tk=<K_QUALIFY>
+        | tk=<K_QUALIFY> | tk=<K_DEFAULT>
         )
 
     { return tk!=null ? tk.image : result; }

src/site/sphinx/keywords.rst

@@ -37,7 +37,9 @@ The following Keywords are **restricted** in JSQLParser-|JSQLPARSER_VERSION| and
 +----------------------+-------------+-----------+
 | CURRENT              | Yes         | Yes       | 
 +----------------------+-------------+-----------+
-| DISTINCT             | Yes         | Yes       | 
+| DEFAULT              | Yes         |           |
++----------------------+-------------+-----------+
+| DISTINCT             | Yes         | Yes       |
 +----------------------+-------------+-----------+
 | DOUBLE               | Yes         |           | 
 +----------------------+-------------+-----------+

src/test/java/net/sf/jsqlparser/statement/insert/InsertTest.java

@@ -10,6 +10,7 @@
 package net.sf.jsqlparser.statement.insert;
 
 import net.sf.jsqlparser.JSQLParserException;
+import net.sf.jsqlparser.expression.Alias;
 import net.sf.jsqlparser.expression.DoubleValue;
 import net.sf.jsqlparser.expression.Expression;
 import net.sf.jsqlparser.expression.JdbcParameter;
@@ -590,4 +591,55 @@ void testMultiColumnConflictTargetIssue955() throws JSQLParserException {
                         + "on conflict(xxx0, xxx1) do update set xxx1=?, update_time=?";
         assertSqlCanBeParsedAndDeparsed(sqlStr, true);
     }
+
+    @Test
+    public void testDefaultValues() throws JSQLParserException {
+        String statement = "INSERT INTO mytable DEFAULT VALUES";
+        //assertSqlCanBeParsedAndDeparsed(statement);
+        Insert insert = (Insert) parserManager.parse(new StringReader(statement));
+        assertEquals("mytable", insert.getTable().getFullyQualifiedName());
+        assertEquals("INSERT INTO MYTABLE DEFAULT VALUES", insert.toString().toUpperCase());
+        assertTrue(insert.isOnlyDefaultValues());
+        assertDeparse(new Insert()
+                .withTable(new Table("mytable"))
+                .withOnlyDefaultValues(true), statement);
+    }
+
+    @Test
+    public void testDefaultValuesWithAlias() throws JSQLParserException {
+        String statement = "INSERT INTO mytable x DEFAULT VALUES";
+        assertSqlCanBeParsedAndDeparsed(statement);
+        Insert insert = (Insert) parserManager.parse(new StringReader(statement));
+        assertEquals("mytable", insert.getTable().getFullyQualifiedName());
+        assertEquals("INSERT INTO MYTABLE X DEFAULT VALUES", insert.toString().toUpperCase());
+        assertEquals("x", insert.getTable().getAlias().getName());
+        assertTrue(insert.isOnlyDefaultValues());
+        assertDeparse(new Insert()
+                .withTable(new Table("mytable")
+                        .withAlias(new Alias("x").withUseAs(false)))
+                .withOnlyDefaultValues(true), statement);
+    }
+
+    @Test
+    public void testDefaultValuesWithAliasAndAs() throws JSQLParserException {
+        String statement = "INSERT INTO mytable AS x DEFAULT VALUES";
+        assertSqlCanBeParsedAndDeparsed(statement);
+        Insert insert = (Insert) parserManager.parse(new StringReader(statement));
+        assertEquals("mytable", insert.getTable().getFullyQualifiedName());
+        assertEquals("INSERT INTO MYTABLE AS X DEFAULT VALUES", insert.toString().toUpperCase());
+        assertEquals("x", insert.getTable().getAlias().getName());
+        assertTrue(insert.isOnlyDefaultValues());
+        assertDeparse(new Insert()
+                .withTable(new Table("mytable")
+                        .withAlias(new Alias("x").withUseAs(true)))
+                .withOnlyDefaultValues(true), statement);
+    }
+
+    @Test
+    public void throwsParseWhenDefaultKeyowrdUsedAsAlias() {
+        String statement = "INSERT INTO mytable default DEFAULT VALUES";
+        assertThrows(JSQLParserException.class,
+                () -> parserManager.parse(new StringReader(statement)));
+    }
+
 }

src/test/java/net/sf/jsqlparser/statement/truncate/TruncateTest.java

@@ -18,6 +18,7 @@
 import static net.sf.jsqlparser.test.TestUtils.assertDeparse;
 import static net.sf.jsqlparser.test.TestUtils.assertSqlCanBeParsedAndDeparsed;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import org.junit.jupiter.api.Test;
 
@@ -104,4 +105,12 @@ public void testTruncateOnlyAndCascadeDeparse() throws JSQLParserException {
             .withCascade(true)
             .withOnly(true), statement);
     }
+
+    @Test
+    public void throwsParseWhenOnlyUsedWithMultipleTables() {
+        String statement = "TRUNCATE TABLE ONLY foo, bar";
+        assertThrows(JSQLParserException.class,
+                () -> parserManager.parse(new StringReader(statement)));
+    }
+
 }