diff --git a/dinky-client/dinky-client-1.14/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java b/dinky-client/dinky-client-1.14/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
index 22974fa224..72b8ba8b48 100644
--- a/dinky-client/dinky-client-1.14/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
+++ b/dinky-client/dinky-client-1.14/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
@@ -25,6 +25,7 @@
 import org.dinky.utils.JsonUtils;
 import org.dinky.utils.LineageContext;
 
+import org.apache.calcite.sql.SqlNode;
 import org.apache.flink.api.common.RuntimeExecutionMode;
 import org.apache.flink.api.dag.Transformation;
 import org.apache.flink.configuration.ConfigOption;
@@ -184,6 +185,11 @@ public Configuration getRootConfiguration() {
         }
     }
 
+    @Override
+    public SqlNode parseSql(String sql) {
+        return getParser().parseSql(sql);
+    }
+
     private static Executor lookupExecutor(
             ClassLoader classLoader, String executorIdentifier, StreamExecutionEnvironment executionEnvironment) {
         try {
diff --git a/dinky-client/dinky-client-1.15/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java b/dinky-client/dinky-client-1.15/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
index 9ca5fca07c..2d790d2667 100644
--- a/dinky-client/dinky-client-1.15/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
+++ b/dinky-client/dinky-client-1.15/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
@@ -26,6 +26,7 @@
 import org.dinky.parser.CustomParserImpl;
 import org.dinky.utils.LineageContext;
 
+import org.apache.calcite.sql.SqlNode;
 import org.apache.flink.api.common.RuntimeExecutionMode;
 import org.apache.flink.api.dag.Transformation;
 import org.apache.flink.configuration.ConfigOption;
@@ -284,6 +285,11 @@ public SqlExplainResult explainSqlRecord(String statement, ExplainDetail... extr
         return record;
     }
 
+    @Override
+    public SqlNode parseSql(String sql) {
+        return getParser().parseSql(sql);
+    }
+
     @Override
     public <T> Table fromDataStream(DataStream<T> dataStream, String fields) {
         List<Expression> expressions = ExpressionParser.INSTANCE.parseExpressionList(fields);
diff --git a/dinky-client/dinky-client-1.16/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java b/dinky-client/dinky-client-1.16/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
index c03380a8ec..ca3b6e9f31 100644
--- a/dinky-client/dinky-client-1.16/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
+++ b/dinky-client/dinky-client-1.16/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
@@ -23,6 +23,7 @@
 import org.dinky.parser.CustomParserImpl;
 import org.dinky.utils.JsonUtils;
 
+import org.apache.calcite.sql.SqlNode;
 import org.apache.flink.api.dag.Transformation;
 import org.apache.flink.configuration.Configuration;
 import org.apache.flink.configuration.PipelineOptions;
@@ -167,4 +168,9 @@ public SqlExplainResult explainSqlRecord(String statement, ExplainDetail... extr
         record.setExplain(getPlanner().explain(operations, extraDetails));
         return record;
     }
+
+    @Override
+    public SqlNode parseSql(String sql) {
+        return ((ExtendedParser) getParser()).parseSql(sql);
+    }
 }
diff --git a/dinky-client/dinky-client-1.17/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java b/dinky-client/dinky-client-1.17/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
index 8ee3256aa7..3b6e4b1a9e 100644
--- a/dinky-client/dinky-client-1.17/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
+++ b/dinky-client/dinky-client-1.17/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
@@ -21,6 +21,7 @@
 
 import org.dinky.parser.CustomParserImpl;
 
+import org.apache.calcite.sql.SqlNode;
 import org.apache.flink.api.dag.Transformation;
 import org.apache.flink.configuration.Configuration;
 import org.apache.flink.configuration.PipelineOptions;
@@ -144,4 +145,9 @@ public StreamGraph getStreamGraphFromInserts(List<String> statements) {
 
         return transOperatoinsToStreamGraph(modifyOperations);
     }
+
+    @Override
+    public SqlNode parseSql(String sql) {
+        return ((ExtendedParser) getParser()).parseSql(sql);
+    }
 }
diff --git a/dinky-client/dinky-client-1.18/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java b/dinky-client/dinky-client-1.18/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
index 530f772c6d..4a63497546 100644
--- a/dinky-client/dinky-client-1.18/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
+++ b/dinky-client/dinky-client-1.18/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
@@ -21,6 +21,7 @@
 
 import org.dinky.operations.CustomNewParserImpl;
 
+import org.apache.calcite.sql.SqlNode;
 import org.apache.flink.api.dag.Transformation;
 import org.apache.flink.configuration.Configuration;
 import org.apache.flink.configuration.PipelineOptions;
@@ -149,4 +150,9 @@ public StreamGraph getStreamGraphFromInserts(List<String> statements) {
     public void createCatalog(String catalogName, CatalogDescriptor catalogDescriptor) {
         getCatalogManager().createCatalog(catalogName, catalogDescriptor);
     }
+
+    @Override
+    public SqlNode parseSql(String sql) {
+        return ((ExtendedParser) getParser()).getCustomParser().parseSql(sql);
+    }
 }
diff --git a/dinky-client/dinky-client-1.19/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java b/dinky-client/dinky-client-1.19/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
index 74c58c0d64..a36e38fcc3 100644
--- a/dinky-client/dinky-client-1.19/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
+++ b/dinky-client/dinky-client-1.19/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
@@ -21,6 +21,7 @@
 
 import org.dinky.operations.CustomNewParserImpl;
 
+import org.apache.calcite.sql.SqlNode;
 import org.apache.flink.api.dag.Transformation;
 import org.apache.flink.configuration.Configuration;
 import org.apache.flink.configuration.PipelineOptions;
@@ -157,4 +158,9 @@ public TableResultInternal executeCachedPlanInternal(CachedPlan cachedPlan) {
 
         return null;
     }
+
+    @Override
+    public SqlNode parseSql(String sql) {
+        return ((ExtendedParser) getParser()).getCustomParser().parseSql(sql);
+    }
 }
diff --git a/dinky-client/dinky-client-1.20/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java b/dinky-client/dinky-client-1.20/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
index 74c58c0d64..a36e38fcc3 100644
--- a/dinky-client/dinky-client-1.20/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
+++ b/dinky-client/dinky-client-1.20/src/main/java/org/dinky/executor/CustomTableEnvironmentImpl.java
@@ -21,6 +21,7 @@
 
 import org.dinky.operations.CustomNewParserImpl;
 
+import org.apache.calcite.sql.SqlNode;
 import org.apache.flink.api.dag.Transformation;
 import org.apache.flink.configuration.Configuration;
 import org.apache.flink.configuration.PipelineOptions;
@@ -157,4 +158,9 @@ public TableResultInternal executeCachedPlanInternal(CachedPlan cachedPlan) {
 
         return null;
     }
+
+    @Override
+    public SqlNode parseSql(String sql) {
+        return ((ExtendedParser) getParser()).getCustomParser().parseSql(sql);
+    }
 }
diff --git a/dinky-client/dinky-client-base/src/main/java/org/dinky/executor/CustomTableEnvironment.java b/dinky-client/dinky-client-base/src/main/java/org/dinky/executor/CustomTableEnvironment.java
index 794375f761..13bc6b49ad 100644
--- a/dinky-client/dinky-client-base/src/main/java/org/dinky/executor/CustomTableEnvironment.java
+++ b/dinky-client/dinky-client-base/src/main/java/org/dinky/executor/CustomTableEnvironment.java
@@ -22,6 +22,7 @@
 import org.dinky.data.model.LineageRel;
 import org.dinky.data.result.SqlExplainResult;
 
+import org.apache.calcite.sql.SqlNode;
 import org.apache.flink.configuration.ConfigOption;
 import org.apache.flink.configuration.Configuration;
 import org.apache.flink.configuration.PipelineOptions;
@@ -70,6 +71,8 @@ public interface CustomTableEnvironment
 
     Configuration getRootConfiguration();
 
+    SqlNode parseSql(String sql);
+
     default JobGraph getJobGraphFromInserts(List<String> statements) {
         return getStreamGraphFromInserts(statements).getJobGraph();
     }
diff --git a/dinky-core/src/main/java/org/dinky/explainer/mock/MockStatementExplainer.java b/dinky-core/src/main/java/org/dinky/explainer/mock/MockStatementExplainer.java
index 8f6f7873b9..c6ad11ce17 100644
--- a/dinky-core/src/main/java/org/dinky/explainer/mock/MockStatementExplainer.java
+++ b/dinky-core/src/main/java/org/dinky/explainer/mock/MockStatementExplainer.java
@@ -29,22 +29,19 @@
 import org.apache.calcite.config.Lex;
 import org.apache.calcite.sql.SqlIdentifier;
 import org.apache.calcite.sql.SqlInsert;
+import org.apache.calcite.sql.SqlNode;
 import org.apache.calcite.sql.SqlNodeList;
 import org.apache.calcite.sql.dialect.AnsiSqlDialect;
 import org.apache.calcite.sql.parser.SqlParser;
 import org.apache.calcite.sql.parser.SqlParserPos;
 import org.apache.commons.lang3.StringUtils;
-import org.apache.flink.table.api.Schema;
-import org.apache.flink.table.catalog.CatalogTable;
-import org.apache.flink.table.operations.Operation;
-import org.apache.flink.table.operations.ddl.CreateTableOperation;
+import org.apache.flink.sql.parser.ddl.SqlCreateTable;
 
 import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
-import java.util.stream.Collectors;
 
 import lombok.extern.slf4j.Slf4j;
 
@@ -89,22 +86,23 @@ private void mockSink(JobParam jobParam) {
         // mock insert table ddl
         List<StatementParam> mockedDdl = new ArrayList<>();
         for (StatementParam ddl : jobParam.getDdl()) {
-            List<Operation> parseOperationList = tableEnv.getParser().parse(ddl.getValue());
-            for (Operation operation : parseOperationList) {
-                if (operation instanceof CreateTableOperation) {
-                    CreateTableOperation createOperation = (CreateTableOperation) operation;
-                    CatalogTable catalogTable = createOperation.getCatalogTable();
-                    // get table name and check if it should be mocked
-                    String tableName = createOperation.getTableIdentifier().getObjectName();
-                    if (tablesNeedMock.contains(tableName)) {
-                        // generate mock statement
-                        mockedDdl.add(
-                                new StatementParam(getSinkMockDdlStatement(tableName, catalogTable), SqlType.CREATE));
-                    } else {
-                        mockedDdl.add(ddl);
-                    }
+            SqlNode sqlNode = tableEnv.parseSql(ddl.getValue());
+            boolean isDdlMocked = false;
+            if (sqlNode instanceof SqlCreateTable) {
+                SqlCreateTable sqlCreateTable = (SqlCreateTable) sqlNode;
+                String tableName = sqlCreateTable.getTableName().toString();
+                if (tablesNeedMock.contains(tableName)) {
+                    // generate mock statement
+                    mockedDdl.add(new StatementParam(
+                            getSinkMockDdlStatement(
+                                    tableName, sqlCreateTable.getColumnList().toString()),
+                            SqlType.CREATE));
+                    isDdlMocked = true;
                 }
             }
+            if (!isDdlMocked) {
+                mockedDdl.add(ddl);
+            }
         }
         jobParam.setDdl(mockedDdl);
         log.debug("Mock sink succeed: {}", JsonUtils.toJsonString(jobParam));
@@ -155,19 +153,11 @@ private Set<String> getTableNamesNeedMockAndModifyTrans(JobParam jobParam) {
      * get mocked ddl statement
      *
      * @param tableName    table name
-     * @param catalogTable catalog table
+     * @param columns columns
      * @return ddl that connector is changed as well as other options not changed
      */
-    private String getSinkMockDdlStatement(String tableName, CatalogTable catalogTable) {
+    private String getSinkMockDdlStatement(String tableName, String columns) {
         String mockedOption = "'connector'='" + MockDynamicTableSinkFactory.IDENTIFIER + "'";
-        // columns
-        Schema unresolvedSchema = catalogTable.getUnresolvedSchema();
-        String columns = unresolvedSchema.getColumns().stream()
-                .map(column -> {
-                    Schema.UnresolvedPhysicalColumn physicalColumn = (Schema.UnresolvedPhysicalColumn) column;
-                    return physicalColumn.getName() + " " + physicalColumn.getDataType();
-                })
-                .collect(Collectors.joining(", "));
         return MessageFormat.format(
                 MOCK_SQL_TEMPLATE,
                 StringUtils.join(generateMockedTableIdentifier(tableName), "."),