fix: support real type in athena

Author: taozhi8833998

pegjs/athena.pegjs

@@ -2469,6 +2469,7 @@ KW_MEDIUMTEXT = "MEDIUMTEXT"i  !ident_start { return 'MEDIUMTEXT'; }
 KW_LONGTEXT  = "LONGTEXT"i  !ident_start { return 'LONGTEXT'; }
 KW_BIGINT   = "BIGINT"i   !ident_start { return 'BIGINT'; }
 KW_FLOAT   = "FLOAT"i   !ident_start { return 'FLOAT'; }
+KW_REAL   = "REAL"i   !ident_start { return 'REAL'; }
 KW_DOUBLE   = "DOUBLE"i   !ident_start { return 'DOUBLE'; }
 KW_DATE     = "DATE"i     !ident_start { return 'DATE'; }
 KW_DATETIME     = "DATETIME"i     !ident_start { return 'DATETIME'; }
@@ -2802,9 +2803,9 @@ numeric_type_suffix
     return result
   }
 numeric_type
-  = t:(KW_NUMERIC / KW_DECIMAL / KW_INT / KW_INTEGER / KW_SMALLINT / KW_TINYINT / KW_BIGINT / KW_FLOAT / KW_DOUBLE) __ LPAREN __ l:[0-9]+ __ r:(COMMA __ [0-9]+)? __ RPAREN __ s:numeric_type_suffix? { return { dataType: t, length: parseInt(l.join(''), 10), scale: r && parseInt(r[2].join(''), 10), parentheses: true, suffix: s }; }
-  / t:(KW_NUMERIC / KW_DECIMAL / KW_INT / KW_INTEGER / KW_SMALLINT / KW_TINYINT / KW_BIGINT / KW_FLOAT / KW_DOUBLE)l:[0-9]+ __ s:numeric_type_suffix? { return { dataType: t, length: parseInt(l.join(''), 10), suffix: s }; }
-  / t:(KW_NUMERIC / KW_DECIMAL / KW_INT / KW_INTEGER / KW_SMALLINT / KW_TINYINT / KW_BIGINT / KW_FLOAT / KW_DOUBLE) __ s:numeric_type_suffix? __{ return { dataType: t, suffix: s }; }
+  = t:(KW_NUMERIC / KW_DECIMAL / KW_INT / KW_INTEGER / KW_SMALLINT / KW_TINYINT / KW_BIGINT / KW_FLOAT / KW_DOUBLE / KW_REAL) __ LPAREN __ l:[0-9]+ __ r:(COMMA __ [0-9]+)? __ RPAREN __ s:numeric_type_suffix? { return { dataType: t, length: parseInt(l.join(''), 10), scale: r && parseInt(r[2].join(''), 10), parentheses: true, suffix: s }; }
+  / t:(KW_NUMERIC / KW_DECIMAL / KW_INT / KW_INTEGER / KW_SMALLINT / KW_TINYINT / KW_BIGINT / KW_FLOAT / KW_DOUBLE / KW_REAL)l:[0-9]+ __ s:numeric_type_suffix? { return { dataType: t, length: parseInt(l.join(''), 10), suffix: s }; }
+  / t:(KW_NUMERIC / KW_DECIMAL / KW_INT / KW_INTEGER / KW_SMALLINT / KW_TINYINT / KW_BIGINT / KW_FLOAT / KW_DOUBLE / KW_REAL) __ s:numeric_type_suffix? __{ return { dataType: t, suffix: s }; }
 datetime_type
   = t:(KW_DATE / KW_DATETIME / KW_TIME / KW_TIMESTAMP) __ LPAREN __ l:[0-9]+ __ RPAREN { return { dataType: t, length: parseInt(l.join(''), 10), parentheses: true }; }
   / t:(KW_DATE / KW_DATETIME / KW_TIME / KW_TIMESTAMP) {  return { dataType: t }; }