SQL: Make `FULL` non-reserved keyword in the grammar (#37377)

Since `full` can be common as a field name or part of a field name
(e.g.: `full.name` or `name.full`), it's nice if it's not a reserved
keyword of the grammar so a user can use it without resorting to quotes.

Fixes: #37376

x-pack/plugin/sql/src/main/antlr/SqlBase.g4

@@ -342,7 +342,7 @@ nonReserved
     | CATALOGS | COLUMNS | CURRENT 
     | DAY | DEBUG  
     | EXECUTABLE | EXPLAIN 
-    | FIRST | FORMAT | FUNCTIONS 
+    | FIRST | FORMAT | FULL | FUNCTIONS
     | GRAPHVIZ
     | HOUR
     | INTERVAL

x-pack/plugin/sql/src/main/java/org/elasticsearch/xpack/sql/parser/SqlBaseParser.java

@@ -811,6 +811,7 @@ class SqlBaseParser extends Parser {
         case EXPLAIN:
         case FIRST:
         case FORMAT:
+        case FULL:
         case FUNCTIONS:
         case GRAPHVIZ:
         case HOUR:
@@ -887,6 +888,7 @@ class SqlBaseParser extends Parser {
         case EXPLAIN:
         case FIRST:
         case FORMAT:
+        case FULL:
         case FUNCTIONS:
         case GRAPHVIZ:
         case HOUR:
@@ -957,6 +959,7 @@ class SqlBaseParser extends Parser {
         case EXPLAIN:
         case FIRST:
         case FORMAT:
+        case FULL:
         case FUNCTIONS:
         case GRAPHVIZ:
         case HOUR:
@@ -1140,6 +1143,7 @@ class SqlBaseParser extends Parser {
         case EXPLAIN:
         case FIRST:
         case FORMAT:
+        case FULL:
         case FUNCTIONS:
         case GRAPHVIZ:
         case HOUR:
@@ -2056,7 +2060,7 @@ class SqlBaseParser extends Parser {
         match(T__0);
         setState(332);
         _la = _input.LA(1);
-        if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << T__0) | (1L << ANALYZE) | (1L << ANALYZED) | (1L << CAST) | (1L << CATALOGS) | (1L << COLUMNS) | (1L << CONVERT) | (1L << CURRENT) | (1L << CURRENT_TIMESTAMP) | (1L << DAY) | (1L << DEBUG) | (1L << EXECUTABLE) | (1L << EXISTS) | (1L << EXPLAIN) | (1L << EXTRACT) | (1L << FALSE) | (1L << FIRST) | (1L << FORMAT) | (1L << FUNCTIONS) | (1L << GRAPHVIZ) | (1L << HOUR) | (1L << INTERVAL) | (1L << LAST) | (1L << LEFT) | (1L << LIMIT) | (1L << MAPPED) | (1L << MATCH) | (1L << MINUTE) | (1L << MONTH) | (1L << NOT) | (1L << NULL) | (1L << OPTIMIZED))) != 0) || ((((_la - 67)) & ~0x3f) == 0 && ((1L << (_la - 67)) & ((1L << (PARSED - 67)) | (1L << (PHYSICAL - 67)) | (1L << (PLAN - 67)) | (1L << (RIGHT - 67)) | (1L << (RLIKE - 67)) | (1L << (QUERY - 67)) | (1L << (SCHEMAS - 67)) | (1L << (SECOND - 67)) | (1L << (SHOW - 67)) | (1L << (SYS - 67)) | (1L << (TABLES - 67)) | (1L << (TEXT - 67)) | (1L << (TRUE - 67)) | (1L << (TYPE - 67)) | (1L << (TYPES - 67)) | (1L << (VERIFY - 67)) | (1L << (YEAR - 67)) | (1L << (FUNCTION_ESC - 67)) | (1L << (DATE_ESC - 67)) | (1L << (TIME_ESC - 67)) | (1L << (TIMESTAMP_ESC - 67)) | (1L << (GUID_ESC - 67)) | (1L << (PLUS - 67)) | (1L << (MINUS - 67)) | (1L << (ASTERISK - 67)) | (1L << (PARAM - 67)) | (1L << (STRING - 67)) | (1L << (INTEGER_VALUE - 67)) | (1L << (DECIMAL_VALUE - 67)) | (1L << (IDENTIFIER - 67)) | (1L << (DIGIT_IDENTIFIER - 67)) | (1L << (QUOTED_IDENTIFIER - 67)) | (1L << (BACKQUOTED_IDENTIFIER - 67)))) != 0)) {
+        if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << T__0) | (1L << ANALYZE) | (1L << ANALYZED) | (1L << CAST) | (1L << CATALOGS) | (1L << COLUMNS) | (1L << CONVERT) | (1L << CURRENT) | (1L << CURRENT_TIMESTAMP) | (1L << DAY) | (1L << DEBUG) | (1L << EXECUTABLE) | (1L << EXISTS) | (1L << EXPLAIN) | (1L << EXTRACT) | (1L << FALSE) | (1L << FIRST) | (1L << FORMAT) | (1L << FULL) | (1L << FUNCTIONS) | (1L << GRAPHVIZ) | (1L << HOUR) | (1L << INTERVAL) | (1L << LAST) | (1L << LEFT) | (1L << LIMIT) | (1L << MAPPED) | (1L << MATCH) | (1L << MINUTE) | (1L << MONTH) | (1L << NOT) | (1L << NULL) | (1L << OPTIMIZED))) != 0) || ((((_la - 67)) & ~0x3f) == 0 && ((1L << (_la - 67)) & ((1L << (PARSED - 67)) | (1L << (PHYSICAL - 67)) | (1L << (PLAN - 67)) | (1L << (RIGHT - 67)) | (1L << (RLIKE - 67)) | (1L << (QUERY - 67)) | (1L << (SCHEMAS - 67)) | (1L << (SECOND - 67)) | (1L << (SHOW - 67)) | (1L << (SYS - 67)) | (1L << (TABLES - 67)) | (1L << (TEXT - 67)) | (1L << (TRUE - 67)) | (1L << (TYPE - 67)) | (1L << (TYPES - 67)) | (1L << (VERIFY - 67)) | (1L << (YEAR - 67)) | (1L << (FUNCTION_ESC - 67)) | (1L << (DATE_ESC - 67)) | (1L << (TIME_ESC - 67)) | (1L << (TIMESTAMP_ESC - 67)) | (1L << (GUID_ESC - 67)) | (1L << (PLUS - 67)) | (1L << (MINUS - 67)) | (1L << (ASTERISK - 67)) | (1L << (PARAM - 67)) | (1L << (STRING - 67)) | (1L << (INTEGER_VALUE - 67)) | (1L << (DECIMAL_VALUE - 67)) | (1L << (IDENTIFIER - 67)) | (1L << (DIGIT_IDENTIFIER - 67)) | (1L << (QUOTED_IDENTIFIER - 67)) | (1L << (BACKQUOTED_IDENTIFIER - 67)))) != 0)) {
           {
           setState(324);
           expression();
@@ -3870,6 +3874,7 @@ class SqlBaseParser extends Parser {
       case FALSE:
       case FIRST:
       case FORMAT:
+      case FULL:
       case FUNCTIONS:
       case GRAPHVIZ:
       case HOUR:
@@ -4257,7 +4262,7 @@ class SqlBaseParser extends Parser {
         {
         setState(581);
         _la = _input.LA(1);
-        if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << ANALYZE) | (1L << ANALYZED) | (1L << CATALOGS) | (1L << COLUMNS) | (1L << CURRENT) | (1L << DAY) | (1L << DEBUG) | (1L << EXECUTABLE) | (1L << EXPLAIN) | (1L << FIRST) | (1L << FORMAT) | (1L << FUNCTIONS) | (1L << GRAPHVIZ) | (1L << HOUR) | (1L << INTERVAL) | (1L << LAST) | (1L << LIMIT) | (1L << MAPPED) | (1L << MINUTE) | (1L << MONTH) | (1L << OPTIMIZED))) != 0) || ((((_la - 67)) & ~0x3f) == 0 && ((1L << (_la - 67)) & ((1L << (PARSED - 67)) | (1L << (PHYSICAL - 67)) | (1L << (PLAN - 67)) | (1L << (RLIKE - 67)) | (1L << (QUERY - 67)) | (1L << (SCHEMAS - 67)) | (1L << (SECOND - 67)) | (1L << (SHOW - 67)) | (1L << (SYS - 67)) | (1L << (TABLES - 67)) | (1L << (TEXT - 67)) | (1L << (TYPE - 67)) | (1L << (TYPES - 67)) | (1L << (VERIFY - 67)) | (1L << (YEAR - 67)) | (1L << (IDENTIFIER - 67)) | (1L << (DIGIT_IDENTIFIER - 67)) | (1L << (QUOTED_IDENTIFIER - 67)) | (1L << (BACKQUOTED_IDENTIFIER - 67)))) != 0)) {
+        if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << ANALYZE) | (1L << ANALYZED) | (1L << CATALOGS) | (1L << COLUMNS) | (1L << CURRENT) | (1L << DAY) | (1L << DEBUG) | (1L << EXECUTABLE) | (1L << EXPLAIN) | (1L << FIRST) | (1L << FORMAT) | (1L << FULL) | (1L << FUNCTIONS) | (1L << GRAPHVIZ) | (1L << HOUR) | (1L << INTERVAL) | (1L << LAST) | (1L << LIMIT) | (1L << MAPPED) | (1L << MINUTE) | (1L << MONTH) | (1L << OPTIMIZED))) != 0) || ((((_la - 67)) & ~0x3f) == 0 && ((1L << (_la - 67)) & ((1L << (PARSED - 67)) | (1L << (PHYSICAL - 67)) | (1L << (PLAN - 67)) | (1L << (RLIKE - 67)) | (1L << (QUERY - 67)) | (1L << (SCHEMAS - 67)) | (1L << (SECOND - 67)) | (1L << (SHOW - 67)) | (1L << (SYS - 67)) | (1L << (TABLES - 67)) | (1L << (TEXT - 67)) | (1L << (TYPE - 67)) | (1L << (TYPES - 67)) | (1L << (VERIFY - 67)) | (1L << (YEAR - 67)) | (1L << (IDENTIFIER - 67)) | (1L << (DIGIT_IDENTIFIER - 67)) | (1L << (QUOTED_IDENTIFIER - 67)) | (1L << (BACKQUOTED_IDENTIFIER - 67)))) != 0)) {
           {
           setState(578);
           qualifiedName();
@@ -4756,6 +4761,7 @@ class SqlBaseParser extends Parser {
       case EXPLAIN:
       case FIRST:
       case FORMAT:
+      case FULL:
       case FUNCTIONS:
       case GRAPHVIZ:
       case HOUR:
@@ -4864,7 +4870,7 @@ class SqlBaseParser extends Parser {
       match(T__0);
       setState(664);
       _la = _input.LA(1);
-      if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << T__0) | (1L << ALL) | (1L << ANALYZE) | (1L << ANALYZED) | (1L << CAST) | (1L << CATALOGS) | (1L << COLUMNS) | (1L << CONVERT) | (1L << CURRENT) | (1L << CURRENT_TIMESTAMP) | (1L << DAY) | (1L << DEBUG) | (1L << DISTINCT) | (1L << EXECUTABLE) | (1L << EXISTS) | (1L << EXPLAIN) | (1L << EXTRACT) | (1L << FALSE) | (1L << FIRST) | (1L << FORMAT) | (1L << FUNCTIONS) | (1L << GRAPHVIZ) | (1L << HOUR) | (1L << INTERVAL) | (1L << LAST) | (1L << LEFT) | (1L << LIMIT) | (1L << MAPPED) | (1L << MATCH) | (1L << MINUTE) | (1L << MONTH) | (1L << NOT) | (1L << NULL) | (1L << OPTIMIZED))) != 0) || ((((_la - 67)) & ~0x3f) == 0 && ((1L << (_la - 67)) & ((1L << (PARSED - 67)) | (1L << (PHYSICAL - 67)) | (1L << (PLAN - 67)) | (1L << (RIGHT - 67)) | (1L << (RLIKE - 67)) | (1L << (QUERY - 67)) | (1L << (SCHEMAS - 67)) | (1L << (SECOND - 67)) | (1L << (SHOW - 67)) | (1L << (SYS - 67)) | (1L << (TABLES - 67)) | (1L << (TEXT - 67)) | (1L << (TRUE - 67)) | (1L << (TYPE - 67)) | (1L << (TYPES - 67)) | (1L << (VERIFY - 67)) | (1L << (YEAR - 67)) | (1L << (FUNCTION_ESC - 67)) | (1L << (DATE_ESC - 67)) | (1L << (TIME_ESC - 67)) | (1L << (TIMESTAMP_ESC - 67)) | (1L << (GUID_ESC - 67)) | (1L << (PLUS - 67)) | (1L << (MINUS - 67)) | (1L << (ASTERISK - 67)) | (1L << (PARAM - 67)) | (1L << (STRING - 67)) | (1L << (INTEGER_VALUE - 67)) | (1L << (DECIMAL_VALUE - 67)) | (1L << (IDENTIFIER - 67)) | (1L << (DIGIT_IDENTIFIER - 67)) | (1L << (QUOTED_IDENTIFIER - 67)) | (1L << (BACKQUOTED_IDENTIFIER - 67)))) != 0)) {
+      if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << T__0) | (1L << ALL) | (1L << ANALYZE) | (1L << ANALYZED) | (1L << CAST) | (1L << CATALOGS) | (1L << COLUMNS) | (1L << CONVERT) | (1L << CURRENT) | (1L << CURRENT_TIMESTAMP) | (1L << DAY) | (1L << DEBUG) | (1L << DISTINCT) | (1L << EXECUTABLE) | (1L << EXISTS) | (1L << EXPLAIN) | (1L << EXTRACT) | (1L << FALSE) | (1L << FIRST) | (1L << FORMAT) | (1L << FULL) | (1L << FUNCTIONS) | (1L << GRAPHVIZ) | (1L << HOUR) | (1L << INTERVAL) | (1L << LAST) | (1L << LEFT) | (1L << LIMIT) | (1L << MAPPED) | (1L << MATCH) | (1L << MINUTE) | (1L << MONTH) | (1L << NOT) | (1L << NULL) | (1L << OPTIMIZED))) != 0) || ((((_la - 67)) & ~0x3f) == 0 && ((1L << (_la - 67)) & ((1L << (PARSED - 67)) | (1L << (PHYSICAL - 67)) | (1L << (PLAN - 67)) | (1L << (RIGHT - 67)) | (1L << (RLIKE - 67)) | (1L << (QUERY - 67)) | (1L << (SCHEMAS - 67)) | (1L << (SECOND - 67)) | (1L << (SHOW - 67)) | (1L << (SYS - 67)) | (1L << (TABLES - 67)) | (1L << (TEXT - 67)) | (1L << (TRUE - 67)) | (1L << (TYPE - 67)) | (1L << (TYPES - 67)) | (1L << (VERIFY - 67)) | (1L << (YEAR - 67)) | (1L << (FUNCTION_ESC - 67)) | (1L << (DATE_ESC - 67)) | (1L << (TIME_ESC - 67)) | (1L << (TIMESTAMP_ESC - 67)) | (1L << (GUID_ESC - 67)) | (1L << (PLUS - 67)) | (1L << (MINUS - 67)) | (1L << (ASTERISK - 67)) | (1L << (PARAM - 67)) | (1L << (STRING - 67)) | (1L << (INTEGER_VALUE - 67)) | (1L << (DECIMAL_VALUE - 67)) | (1L << (IDENTIFIER - 67)) | (1L << (DIGIT_IDENTIFIER - 67)) | (1L << (QUOTED_IDENTIFIER - 67)) | (1L << (BACKQUOTED_IDENTIFIER - 67)))) != 0)) {
         {
         setState(654);
         _la = _input.LA(1);
@@ -4967,6 +4973,7 @@ class SqlBaseParser extends Parser {
       case EXPLAIN:
       case FIRST:
       case FORMAT:
+      case FULL:
       case FUNCTIONS:
       case GRAPHVIZ:
       case HOUR:
@@ -5809,6 +5816,7 @@ class SqlBaseParser extends Parser {
       case EXPLAIN:
       case FIRST:
       case FORMAT:
+      case FULL:
       case FUNCTIONS:
       case GRAPHVIZ:
       case HOUR:
@@ -5899,7 +5907,7 @@ class SqlBaseParser extends Parser {
         {
         setState(739);
         _la = _input.LA(1);
-        if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << ANALYZE) | (1L << ANALYZED) | (1L << CATALOGS) | (1L << COLUMNS) | (1L << CURRENT) | (1L << DAY) | (1L << DEBUG) | (1L << EXECUTABLE) | (1L << EXPLAIN) | (1L << FIRST) | (1L << FORMAT) | (1L << FUNCTIONS) | (1L << GRAPHVIZ) | (1L << HOUR) | (1L << INTERVAL) | (1L << LAST) | (1L << LIMIT) | (1L << MAPPED) | (1L << MINUTE) | (1L << MONTH) | (1L << OPTIMIZED))) != 0) || ((((_la - 67)) & ~0x3f) == 0 && ((1L << (_la - 67)) & ((1L << (PARSED - 67)) | (1L << (PHYSICAL - 67)) | (1L << (PLAN - 67)) | (1L << (RLIKE - 67)) | (1L << (QUERY - 67)) | (1L << (SCHEMAS - 67)) | (1L << (SECOND - 67)) | (1L << (SHOW - 67)) | (1L << (SYS - 67)) | (1L << (TABLES - 67)) | (1L << (TEXT - 67)) | (1L << (TYPE - 67)) | (1L << (TYPES - 67)) | (1L << (VERIFY - 67)) | (1L << (YEAR - 67)) | (1L << (IDENTIFIER - 67)) | (1L << (DIGIT_IDENTIFIER - 67)) | (1L << (QUOTED_IDENTIFIER - 67)) | (1L << (BACKQUOTED_IDENTIFIER - 67)))) != 0)) {
+        if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << ANALYZE) | (1L << ANALYZED) | (1L << CATALOGS) | (1L << COLUMNS) | (1L << CURRENT) | (1L << DAY) | (1L << DEBUG) | (1L << EXECUTABLE) | (1L << EXPLAIN) | (1L << FIRST) | (1L << FORMAT) | (1L << FULL) | (1L << FUNCTIONS) | (1L << GRAPHVIZ) | (1L << HOUR) | (1L << INTERVAL) | (1L << LAST) | (1L << LIMIT) | (1L << MAPPED) | (1L << MINUTE) | (1L << MONTH) | (1L << OPTIMIZED))) != 0) || ((((_la - 67)) & ~0x3f) == 0 && ((1L << (_la - 67)) & ((1L << (PARSED - 67)) | (1L << (PHYSICAL - 67)) | (1L << (PLAN - 67)) | (1L << (RLIKE - 67)) | (1L << (QUERY - 67)) | (1L << (SCHEMAS - 67)) | (1L << (SECOND - 67)) | (1L << (SHOW - 67)) | (1L << (SYS - 67)) | (1L << (TABLES - 67)) | (1L << (TEXT - 67)) | (1L << (TYPE - 67)) | (1L << (TYPES - 67)) | (1L << (VERIFY - 67)) | (1L << (YEAR - 67)) | (1L << (IDENTIFIER - 67)) | (1L << (DIGIT_IDENTIFIER - 67)) | (1L << (QUOTED_IDENTIFIER - 67)) | (1L << (BACKQUOTED_IDENTIFIER - 67)))) != 0)) {
           {
           setState(736);
           ((TableIdentifierContext)_localctx).catalog = identifier();
@@ -6101,6 +6109,7 @@ class SqlBaseParser extends Parser {
       case EXPLAIN:
       case FIRST:
       case FORMAT:
+      case FULL:
       case FUNCTIONS:
       case GRAPHVIZ:
       case HOUR:
@@ -6300,6 +6309,7 @@ class SqlBaseParser extends Parser {
     public TerminalNode EXPLAIN() { return getToken(SqlBaseParser.EXPLAIN, 0); }
     public TerminalNode FIRST() { return getToken(SqlBaseParser.FIRST, 0); }
     public TerminalNode FORMAT() { return getToken(SqlBaseParser.FORMAT, 0); }
+    public TerminalNode FULL() { return getToken(SqlBaseParser.FULL, 0); }
     public TerminalNode FUNCTIONS() { return getToken(SqlBaseParser.FUNCTIONS, 0); }
     public TerminalNode GRAPHVIZ() { return getToken(SqlBaseParser.GRAPHVIZ, 0); }
     public TerminalNode HOUR() { return getToken(SqlBaseParser.HOUR, 0); }
@@ -6353,7 +6363,7 @@ class SqlBaseParser extends Parser {
       {
       setState(765);
       _la = _input.LA(1);
-      if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << ANALYZE) | (1L << ANALYZED) | (1L << CATALOGS) | (1L << COLUMNS) | (1L << CURRENT) | (1L << DAY) | (1L << DEBUG) | (1L << EXECUTABLE) | (1L << EXPLAIN) | (1L << FIRST) | (1L << FORMAT) | (1L << FUNCTIONS) | (1L << GRAPHVIZ) | (1L << HOUR) | (1L << INTERVAL) | (1L << LAST) | (1L << LIMIT) | (1L << MAPPED) | (1L << MINUTE) | (1L << MONTH) | (1L << OPTIMIZED))) != 0) || ((((_la - 67)) & ~0x3f) == 0 && ((1L << (_la - 67)) & ((1L << (PARSED - 67)) | (1L << (PHYSICAL - 67)) | (1L << (PLAN - 67)) | (1L << (RLIKE - 67)) | (1L << (QUERY - 67)) | (1L << (SCHEMAS - 67)) | (1L << (SECOND - 67)) | (1L << (SHOW - 67)) | (1L << (SYS - 67)) | (1L << (TABLES - 67)) | (1L << (TEXT - 67)) | (1L << (TYPE - 67)) | (1L << (TYPES - 67)) | (1L << (VERIFY - 67)) | (1L << (YEAR - 67)))) != 0)) ) {
+      if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << ANALYZE) | (1L << ANALYZED) | (1L << CATALOGS) | (1L << COLUMNS) | (1L << CURRENT) | (1L << DAY) | (1L << DEBUG) | (1L << EXECUTABLE) | (1L << EXPLAIN) | (1L << FIRST) | (1L << FORMAT) | (1L << FULL) | (1L << FUNCTIONS) | (1L << GRAPHVIZ) | (1L << HOUR) | (1L << INTERVAL) | (1L << LAST) | (1L << LIMIT) | (1L << MAPPED) | (1L << MINUTE) | (1L << MONTH) | (1L << OPTIMIZED))) != 0) || ((((_la - 67)) & ~0x3f) == 0 && ((1L << (_la - 67)) & ((1L << (PARSED - 67)) | (1L << (PHYSICAL - 67)) | (1L << (PLAN - 67)) | (1L << (RLIKE - 67)) | (1L << (QUERY - 67)) | (1L << (SCHEMAS - 67)) | (1L << (SECOND - 67)) | (1L << (SHOW - 67)) | (1L << (SYS - 67)) | (1L << (TABLES - 67)) | (1L << (TEXT - 67)) | (1L << (TYPE - 67)) | (1L << (TYPES - 67)) | (1L << (VERIFY - 67)) | (1L << (YEAR - 67)))) != 0)) ) {
       _errHandler.recoverInline(this);
       } else {
         consume();
@@ -6464,8 +6474,8 @@ class SqlBaseParser extends Parser {
     "\64\668:<>@BDFHJLNPRTVXZ\\^`bdfhjl\2\22\b\2\7\7\t\t\36\36\66\66AAEE\4"+
     "\2((SS\4\2\t\tAA\4\2%%--\3\2\32\33\3\2mn\4\2\7\7vv\4\2\r\r\32\32\4\2#"+
     "#\62\62\4\2\7\7\34\34\3\2oq\3\2fl\4\2\"\"TT\7\2\27\30+,8;LM\\]\3\2tu\31"+
-    "\2\b\t\22\23\25\25\27\27\31\31\36\36  #$\'(++//\62\62\65\6688::AAEGIL"+
-    "OPRSVWYY\\\\\u035f\2n\3\2\2\2\4q\3\2\2\2\6\u00de\3\2\2\2\b\u00e9\3\2\2"+
+    "\2\b\t\22\23\25\25\27\27\31\31\36\36  #$&(++//\62\62\65\6688::AAEGILO"+
+    "PRSVWYY\\\\\u035f\2n\3\2\2\2\4q\3\2\2\2\6\u00de\3\2\2\2\b\u00e9\3\2\2"+
     "\2\n\u00ed\3\2\2\2\f\u0102\3\2\2\2\16\u0109\3\2\2\2\20\u010b\3\2\2\2\22"+
     "\u0113\3\2\2\2\24\u012f\3\2\2\2\26\u0139\3\2\2\2\30\u0143\3\2\2\2\32\u0152"+
     "\3\2\2\2\34\u0154\3\2\2\2\36\u015a\3\2\2\2 \u015c\3\2\2\2\"\u0163\3\2"+

x-pack/plugin/sql/src/test/java/org/elasticsearch/xpack/sql/parser/SqlParserTests.java

@@ -31,6 +31,7 @@ import org.elasticsearch.xpack.sql.plan.logical.With;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.StringJoiner;
 
 import static java.util.Collections.nCopies;
 import static java.util.stream.Collectors.toList;
@@ -67,6 +68,27 @@ public class SqlParserTests extends ESTestCase {
         assertEquals("RIGHT", f.functionName());
     }
 
+    public void testsSelectNonReservedKeywords() {
+        String[] reserved = new String[] {
+            "ANALYZE", "ANALYZED", "CATALOGS", "COLUMNS", "CURRENT", "DAY", "DEBUG", "EXECUTABLE", "EXPLAIN",
+            "FIRST", "FORMAT", "FULL", "FUNCTIONS", "GRAPHVIZ", "HOUR", "INTERVAL", "LAST", "LIMIT",
+            "MAPPED", "MINUTE", "MONTH", "OPTIMIZED", "PARSED", "PHYSICAL", "PLAN", "QUERY", "RLIKE",
+            "SCHEMAS", "SECOND", "SHOW", "SYS", "TABLES", "TEXT", "TYPE", "TYPES", "VERIFY", "YEAR"};
+        StringJoiner sj = new StringJoiner(",");
+        for (String s : reserved) {
+            sj.add(s);
+        }
+
+        Project project = project(parseStatement("SELECT " + sj.toString() + " FROM foo"));
+        assertEquals(reserved.length, project.projections().size());
+
+        for (int i = 0; i < project.projections().size(); i++) {
+            NamedExpression ne = project.projections().get(i);
+            assertEquals(UnresolvedAttribute.class, ne.getClass());
+            assertEquals(reserved[i], ne.name());
+        }
+    }
+
     public void testOrderByField() {
         Order.OrderDirection dir = randomFrom(Order.OrderDirection.values());
         OrderBy ob = orderBy(parseStatement("SELECT * FROM foo ORDER BY bar" + stringForDirection(dir)));