use FromSchemaSegment instead of removeToken

sharding-core/sharding-core-rewrite/src/test/java/org/apache/shardingsphere/core/rewrite/rewriter/ShardingSQLRewriterTest.java

@@ -30,6 +30,7 @@ import org.apache.shardingsphere.core.parse.sql.context.condition.Column;
 import org.apache.shardingsphere.core.parse.sql.context.condition.Condition;
 import org.apache.shardingsphere.core.parse.sql.context.table.Table;
 import org.apache.shardingsphere.core.parse.sql.segment.common.TableSegment;
+import org.apache.shardingsphere.core.parse.sql.segment.dal.FromSchemaSegment;
 import org.apache.shardingsphere.core.parse.sql.segment.ddl.index.IndexSegment;
 import org.apache.shardingsphere.core.parse.sql.segment.dml.InsertValuesSegment;
 import org.apache.shardingsphere.core.parse.sql.segment.dml.SelectItemsSegment;
@@ -55,7 +56,6 @@ import org.apache.shardingsphere.core.rewrite.SQLRewriteEngine;
 import org.apache.shardingsphere.core.rewrite.builder.ParameterBuilder;
 import org.apache.shardingsphere.core.rewrite.builder.SQLBuilder;
 import org.apache.shardingsphere.core.rewrite.token.pojo.OrderByToken;
-import org.apache.shardingsphere.core.rewrite.token.pojo.RemoveToken;
 import org.apache.shardingsphere.core.rewrite.token.pojo.SelectItemsToken;
 import org.apache.shardingsphere.core.rewrite.token.pojo.TableToken;
 import org.apache.shardingsphere.core.route.SQLRouteResult;
@@ -587,7 +587,7 @@ public final class ShardingSQLRewriterTest {
     
     @Test
     public void assertTableTokenWithoutBackQuoteForShow() {
-        showTablesStatement.addSQLToken(new TableToken(18, 24, "table_x", QuoteCharacter.NONE));
+        showTablesStatement.getSqlSegments().add(new TableSegment(18, 24, "table_x"));
         routeResult = new SQLRouteResult(showTablesStatement);
         RoutingResult routingResult = new RoutingResult();
         routingResult.getRoutingUnits().add(new RoutingUnit("ds"));
@@ -599,8 +599,8 @@ public final class ShardingSQLRewriterTest {
     
     @Test
     public void assertTableTokenWithoutBackQuoteFromSchemaForShow() {
+        showTablesStatement.getSqlSegments().add(new FromSchemaSegment(25, 43));
         showTablesStatement.addSQLToken(new TableToken(18, 24, "table_x", QuoteCharacter.NONE));
-        showTablesStatement.addSQLToken(new RemoveToken(25, 43));
         routeResult = new SQLRouteResult(showTablesStatement);
         RoutingResult routingResult = new RoutingResult();
         routingResult.getRoutingUnits().add(new RoutingUnit("ds"));