@@ -137,12 +137,14 @@ public void dealOneEqualCon(SqlNode sqlNode, String sideTableName) {
137137 if (leftNode .getKind () == SqlKind .LITERAL ) {
138138 evalConstantEquation (
139139 (SqlLiteral ) leftNode ,
140- (SqlIdentifier ) rightNode
140+ (SqlIdentifier ) rightNode ,
141+ sqlNode .getKind ()
141142 );
142143 } else if (rightNode .getKind () == SqlKind .LITERAL ) {
143144 evalConstantEquation (
144145 (SqlLiteral ) rightNode ,
145- (SqlIdentifier ) leftNode
146+ (SqlIdentifier ) leftNode ,
147+ sqlNode .getKind ()
146148 );
147149 } else {
148150 SqlIdentifier left = (SqlIdentifier ) leftNode ;
@@ -179,20 +181,19 @@ private void evalEquation(SqlIdentifier left, SqlIdentifier right, String sideTa
179181 * @param literal
180182 * @param identifier
181183 */
182- private void evalConstantEquation (SqlLiteral literal , SqlIdentifier identifier ) {
184+ private void evalConstantEquation (SqlLiteral literal , SqlIdentifier identifier , SqlKind sqlKind ) {
183185 String tableName = identifier .getComponent (0 ).getSimple ();
184186 checkSupport (identifier );
185187 String fieldName = identifier .getComponent (1 ).getSimple ();
186188 Object constant = literal .getValue ();
187- List <PredicateInfo > predicateInfos = sideTableInfo .getPredicateInfoes ();
188189 PredicateInfo predicate = PredicateInfo .builder ()
189- .setOperatorName ("=" )
190- .setOperatorKind ("EQUALS" )
190+ .setOperatorName (sqlKind . sql )
191+ .setOperatorKind (sqlKind . name () )
191192 .setOwnerTable (tableName )
192193 .setFieldName (fieldName )
193194 .setCondition (constant .toString ())
194195 .build ();
195- predicateInfos . add (predicate );
196+ sideTableInfo . addPredicateInfo (predicate );
196197 }
197198
198199 private void checkSupport (SqlIdentifier identifier ) {
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