Support show create table, show columns, show index statement bind

infra/binder/src/main/java/org/apache/shardingsphere/infra/binder/engine/segment/dal/filter/ShowFilterSegmentBinder.java

@@ -0,0 +1,52 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.shardingsphere.infra.binder.engine.segment.dal.filter;
+
+import com.cedarsoftware.util.CaseInsensitiveMap.CaseInsensitiveString;
+import com.google.common.collect.Multimap;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.TableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.predicate.WhereSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
+import org.apache.shardingsphere.sql.parser.statement.core.segment.dal.ShowFilterSegment;
+
+/**
+ * Show filter segment binder.
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public final class ShowFilterSegmentBinder {
+
+    /**
+     * Bind show filter segment.
+     *
+     * @param segment show filter segment
+     * @param binderContext SQL statement binder context
+     * @param tableBinderContexts table binder contexts
+     * @param outerTableBinderContexts outer table binder contexts
+     * @return bound show filter segment
+     */
+    public static ShowFilterSegment bind(final ShowFilterSegment segment, final SQLStatementBinderContext binderContext,
+                                         final Multimap<CaseInsensitiveString, TableSegmentBinderContext> tableBinderContexts,
+                                         final Multimap<CaseInsensitiveString, TableSegmentBinderContext> outerTableBinderContexts) {
+        ShowFilterSegment result = new ShowFilterSegment(segment.getStartIndex(), segment.getStopIndex());
+        segment.getLike().ifPresent(result::setLike);
+        segment.getWhere().ifPresent(optional -> result.setWhere(WhereSegmentBinder.bind(optional, binderContext, tableBinderContexts, outerTableBinderContexts)));
+        return result;
+    }
+}

infra/binder/src/main/java/org/apache/shardingsphere/infra/binder/engine/statement/dal/ShowColumnsStatementBinder.java

@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.shardingsphere.infra.binder.engine.statement.dal;
+
+import com.cedarsoftware.util.CaseInsensitiveMap.CaseInsensitiveString;
+import com.google.common.collect.LinkedHashMultimap;
+import com.google.common.collect.Multimap;
+import lombok.SneakyThrows;
+import org.apache.shardingsphere.infra.binder.engine.segment.dal.filter.ShowFilterSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.TableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.type.SimpleTableSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinder;
+import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
+import org.apache.shardingsphere.sql.parser.statement.core.statement.dal.ShowColumnsStatement;
+
+/**
+ * Show columns statement binder.
+ */
+public final class ShowColumnsStatementBinder implements SQLStatementBinder<ShowColumnsStatement> {
+
+    @Override
+    public ShowColumnsStatement bind(final ShowColumnsStatement sqlStatement, final SQLStatementBinderContext binderContext) {
+        ShowColumnsStatement result = copy(sqlStatement);
+        Multimap<CaseInsensitiveString, TableSegmentBinderContext> tableBinderContexts = LinkedHashMultimap.create();
+        result.setTable(SimpleTableSegmentBinder.bind(sqlStatement.getTable(), binderContext, tableBinderContexts));
+        sqlStatement.getFromDatabase().ifPresent(result::setFromDatabase);
+        sqlStatement.getFilter().ifPresent(optional -> result.setFilter(ShowFilterSegmentBinder.bind(optional, binderContext, tableBinderContexts, LinkedHashMultimap.create())));
+        return result;
+    }
+
+    @SneakyThrows(ReflectiveOperationException.class)
+    private static ShowColumnsStatement copy(final ShowColumnsStatement sqlStatement) {
+        ShowColumnsStatement result = sqlStatement.getClass().getDeclaredConstructor().newInstance();
+        result.addParameterMarkerSegments(sqlStatement.getParameterMarkerSegments());
+        result.getCommentSegments().addAll(sqlStatement.getCommentSegments());
+        result.getVariableNames().addAll(sqlStatement.getVariableNames());
+        return result;
+    }
+}

infra/binder/src/main/java/org/apache/shardingsphere/infra/binder/engine/statement/dal/ShowCreateTableStatementBinder.java

@@ -0,0 +1,51 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.shardingsphere.infra.binder.engine.statement.dal;
+
+import com.cedarsoftware.util.CaseInsensitiveMap.CaseInsensitiveString;
+import com.google.common.collect.LinkedHashMultimap;
+import com.google.common.collect.Multimap;
+import lombok.SneakyThrows;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.TableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.type.SimpleTableSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinder;
+import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
+import org.apache.shardingsphere.sql.parser.statement.core.statement.dal.ShowCreateTableStatement;
+
+/**
+ * Show create table statement binder.
+ */
+public final class ShowCreateTableStatementBinder implements SQLStatementBinder<ShowCreateTableStatement> {
+
+    @Override
+    public ShowCreateTableStatement bind(final ShowCreateTableStatement sqlStatement, final SQLStatementBinderContext binderContext) {
+        ShowCreateTableStatement result = copy(sqlStatement);
+        Multimap<CaseInsensitiveString, TableSegmentBinderContext> tableBinderContexts = LinkedHashMultimap.create();
+        result.setTable(SimpleTableSegmentBinder.bind(sqlStatement.getTable(), binderContext, tableBinderContexts));
+        return result;
+    }
+
+    @SneakyThrows(ReflectiveOperationException.class)
+    private static ShowCreateTableStatement copy(final ShowCreateTableStatement sqlStatement) {
+        ShowCreateTableStatement result = sqlStatement.getClass().getDeclaredConstructor().newInstance();
+        result.addParameterMarkerSegments(sqlStatement.getParameterMarkerSegments());
+        result.getCommentSegments().addAll(sqlStatement.getCommentSegments());
+        result.getVariableNames().addAll(sqlStatement.getVariableNames());
+        return result;
+    }
+}

infra/binder/src/main/java/org/apache/shardingsphere/infra/binder/engine/statement/dal/ShowIndexStatementBinder.java

@@ -0,0 +1,52 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.shardingsphere.infra.binder.engine.statement.dal;
+
+import com.cedarsoftware.util.CaseInsensitiveMap.CaseInsensitiveString;
+import com.google.common.collect.LinkedHashMultimap;
+import com.google.common.collect.Multimap;
+import lombok.SneakyThrows;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.TableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.type.SimpleTableSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinder;
+import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
+import org.apache.shardingsphere.sql.parser.statement.core.statement.dal.ShowIndexStatement;
+
+/**
+ * Show index statement binder.
+ */
+public final class ShowIndexStatementBinder implements SQLStatementBinder<ShowIndexStatement> {
+
+    @Override
+    public ShowIndexStatement bind(final ShowIndexStatement sqlStatement, final SQLStatementBinderContext binderContext) {
+        ShowIndexStatement result = copy(sqlStatement);
+        Multimap<CaseInsensitiveString, TableSegmentBinderContext> tableBinderContexts = LinkedHashMultimap.create();
+        result.setTable(SimpleTableSegmentBinder.bind(sqlStatement.getTable(), binderContext, tableBinderContexts));
+        sqlStatement.getFromDatabase().ifPresent(result::setFromDatabase);
+        return result;
+    }
+
+    @SneakyThrows(ReflectiveOperationException.class)
+    private static ShowIndexStatement copy(final ShowIndexStatement sqlStatement) {
+        ShowIndexStatement result = sqlStatement.getClass().getDeclaredConstructor().newInstance();
+        result.addParameterMarkerSegments(sqlStatement.getParameterMarkerSegments());
+        result.getCommentSegments().addAll(sqlStatement.getCommentSegments());
+        result.getVariableNames().addAll(sqlStatement.getVariableNames());
+        return result;
+    }
+}

infra/binder/src/main/java/org/apache/shardingsphere/infra/binder/engine/type/DALStatementBindEngine.java

@@ -20,10 +20,16 @@
 import lombok.RequiredArgsConstructor;
 import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
 import org.apache.shardingsphere.infra.binder.engine.statement.dal.OptimizeTableStatementBinder;
+import org.apache.shardingsphere.infra.binder.engine.statement.dal.ShowColumnsStatementBinder;
+import org.apache.shardingsphere.infra.binder.engine.statement.dal.ShowCreateTableStatementBinder;
+import org.apache.shardingsphere.infra.binder.engine.statement.dal.ShowIndexStatementBinder;
 import org.apache.shardingsphere.infra.hint.HintValueContext;
 import org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData;
 import org.apache.shardingsphere.sql.parser.statement.core.statement.dal.DALStatement;
 import org.apache.shardingsphere.sql.parser.statement.core.statement.dal.OptimizeTableStatement;
+import org.apache.shardingsphere.sql.parser.statement.core.statement.dal.ShowColumnsStatement;
+import org.apache.shardingsphere.sql.parser.statement.core.statement.dal.ShowCreateTableStatement;
+import org.apache.shardingsphere.sql.parser.statement.core.statement.dal.ShowIndexStatement;
 
 /**
  * DAL statement bind engine.
@@ -48,6 +54,15 @@ public DALStatement bind(final DALStatement statement) {
         if (statement instanceof OptimizeTableStatement) {
             return new OptimizeTableStatementBinder().bind((OptimizeTableStatement) statement, binderContext);
         }
+        if (statement instanceof ShowCreateTableStatement) {
+            return new ShowCreateTableStatementBinder().bind((ShowCreateTableStatement) statement, binderContext);
+        }
+        if (statement instanceof ShowColumnsStatement) {
+            return new ShowColumnsStatementBinder().bind((ShowColumnsStatement) statement, binderContext);
+        }
+        if (statement instanceof ShowIndexStatement) {
+            return new ShowIndexStatementBinder().bind((ShowIndexStatement) statement, binderContext);
+        }
         return statement;
     }
 }

test/it/binder/src/test/resources/cases/dal/show-columns.xml

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Licensed to the Apache Software Foundation (ASF) under one or more
+  ~ contributor license agreements.  See the NOTICE file distributed with
+  ~ this work for additional information regarding copyright ownership.
+  ~ The ASF licenses this file to You under the Apache License, Version 2.0
+  ~ (the "License"); you may not use this file except in compliance with
+  ~ the License.  You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<sql-parser-test-cases>
+    <show-columns sql-case-id="show_columns_from_table">
+        <table name="t_order" start-delimiter="`" end-delimiter="`" start-index="18" stop-index="26">
+            <table-bound>
+                <original-database name="foo_db_1" />
+                <original-schema name="foo_db_1" />
+            </table-bound>
+        </table>
+    </show-columns>
+
+    <show-columns sql-case-id="show_columns_from_table_with_owner">
+        <table name="t_product" start-delimiter="`" end-delimiter="`" start-index="18" stop-index="39">
+            <owner name="foo_db_2" start-delimiter="`" end-delimiter="`" start-index="18" stop-index="27" />
+            <table-bound>
+                <original-database name="foo_db_2" />
+                <original-schema name="foo_db_2" start-delimiter="`" end-delimiter="`" />
+            </table-bound>
+        </table>
+    </show-columns>
+</sql-parser-test-cases>

test/it/binder/src/test/resources/cases/dal/show-create-table.xml

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Licensed to the Apache Software Foundation (ASF) under one or more
+  ~ contributor license agreements.  See the NOTICE file distributed with
+  ~ this work for additional information regarding copyright ownership.
+  ~ The ASF licenses this file to You under the Apache License, Version 2.0
+  ~ (the "License"); you may not use this file except in compliance with
+  ~ the License.  You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<sql-parser-test-cases>
+    <show-create-table sql-case-id="show_create_table">
+        <table name="t_order" start-delimiter="`" end-delimiter="`" start-index="18" stop-index="26">
+            <table-bound>
+                <original-database name="foo_db_1" />
+                <original-schema name="foo_db_1" />
+            </table-bound>
+        </table>
+    </show-create-table>
+
+    <show-create-table sql-case-id="show_create_table_with_owner">
+        <table name="t_product" start-delimiter="`" end-delimiter="`" start-index="18" stop-index="39">
+            <owner name="foo_db_2" start-delimiter="`" end-delimiter="`" start-index="18" stop-index="27" />
+            <table-bound>
+                <original-database name="foo_db_2" />
+                <original-schema name="foo_db_2" start-delimiter="`" end-delimiter="`" />
+            </table-bound>
+        </table>
+    </show-create-table>
+</sql-parser-test-cases>

test/it/binder/src/test/resources/cases/dal/show-index.xml

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Licensed to the Apache Software Foundation (ASF) under one or more
+  ~ contributor license agreements.  See the NOTICE file distributed with
+  ~ this work for additional information regarding copyright ownership.
+  ~ The ASF licenses this file to You under the Apache License, Version 2.0
+  ~ (the "License"); you may not use this file except in compliance with
+  ~ the License.  You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<sql-parser-test-cases>
+    <show-index sql-case-id="show_index_with_index_with_table">
+        <table name="t_order" start-index="16" stop-index="22">
+            <table-bound>
+                <original-database name="foo_db_1" />
+                <original-schema name="foo_db_1" />
+            </table-bound>
+        </table>
+    </show-index>
+
+    <show-index sql-case-id="show_index_with_indexes_with_table_and_database">
+        <table name="t_order" start-index="18" stop-index="24">
+            <table-bound>
+                <original-database name="foo_db_1" />
+                <original-schema name="foo_db_1" />
+            </table-bound>
+        </table>
+        <database name="foo_db_1" start-index="26" stop-index="38" />
+    </show-index>
+
+    <show-index sql-case-id="show_index_with_keys_with_database_and_table">
+        <table name="t_order" start-index="15" stop-index="30">
+            <owner name="foo_db_1" start-index="15" stop-index="22" />
+            <table-bound>
+                <original-database name="foo_db_1" />
+                <original-schema name="foo_db_1" />
+            </table-bound>
+        </table>
+    </show-index>
+</sql-parser-test-cases>

test/it/binder/src/test/resources/sqls/dal/show-columns.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Licensed to the Apache Software Foundation (ASF) under one or more
+  ~ contributor license agreements.  See the NOTICE file distributed with
+  ~ this work for additional information regarding copyright ownership.
+  ~ The ASF licenses this file to You under the Apache License, Version 2.0
+  ~ (the "License"); you may not use this file except in compliance with
+  ~ the License.  You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<sql-cases>
+    <sql-case id="show_columns_from_table" value="SHOW COLUMNS FROM `t_order`" db-types="MySQL,Doris" />
+    <sql-case id="show_columns_from_table_with_owner" value="SHOW COLUMNS FROM `foo_db_2`.`t_product`" db-types="MySQL,Doris" />
+</sql-cases>