mysql parser show statements

src/main/java/com/alibaba/druid/sql/dialect/mysql/ast/statement/MySqlShowEngineStatement.java

@@ -0,0 +1,39 @@
+package com.alibaba.druid.sql.dialect.mysql.ast.statement;
+
+import com.alibaba.druid.sql.ast.SQLExpr;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
+
+public class MySqlShowEngineStatement extends MySqlStatementImpl {
+
+    private static final long serialVersionUID = 1L;
+
+    private SQLExpr           name;
+    private Option            option;
+
+    public void accept0(MySqlASTVisitor visitor) {
+        if (visitor.visit(this)) {
+            acceptChild(visitor, name);
+        }
+        visitor.endVisit(this);
+    }
+
+    public SQLExpr getName() {
+        return name;
+    }
+
+    public void setName(SQLExpr name) {
+        this.name = name;
+    }
+
+    public Option getOption() {
+        return option;
+    }
+
+    public void setOption(Option option) {
+        this.option = option;
+    }
+
+    public static enum Option {
+        STATUS, MUTEX
+    }
+}

src/main/java/com/alibaba/druid/sql/dialect/mysql/ast/statement/MySqlShowEnginesStatement.java

@@ -0,0 +1,23 @@
+package com.alibaba.druid.sql.dialect.mysql.ast.statement;
+
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
+
+public class MySqlShowEnginesStatement extends MySqlStatementImpl {
+
+    private static final long serialVersionUID = 1L;
+    private boolean           storage          = false;
+
+    public void accept0(MySqlASTVisitor visitor) {
+        visitor.visit(this);
+        visitor.endVisit(this);
+    }
+
+    public boolean isStorage() {
+        return storage;
+    }
+
+    public void setStorage(boolean storage) {
+        this.storage = storage;
+    }
+
+}

src/main/java/com/alibaba/druid/sql/dialect/mysql/ast/statement/MySqlShowErrorsStatement.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * Licensed 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 com.alibaba.druid.sql.dialect.mysql.ast.statement;
+
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock.Limit;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
+
+public class MySqlShowErrorsStatement extends MySqlStatementImpl {
+
+    private static final long serialVersionUID = 1L;
+
+    private boolean           count            = false;
+    private Limit             limit;
+
+    public boolean isCount() {
+        return count;
+    }
+
+    public void setCount(boolean count) {
+        this.count = count;
+    }
+
+    public Limit getLimit() {
+        return limit;
+    }
+
+    public void setLimit(Limit limit) {
+        this.limit = limit;
+    }
+
+    public void accept0(MySqlASTVisitor visitor) {
+        if (visitor.visit(this)) {
+            acceptChild(visitor, limit);
+        }
+        visitor.endVisit(this);
+    }
+}

src/main/java/com/alibaba/druid/sql/dialect/mysql/ast/statement/MySqlShowEventsStatement.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * Licensed 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 com.alibaba.druid.sql.dialect.mysql.ast.statement;
+
+import com.alibaba.druid.sql.ast.SQLExpr;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
+
+public class MySqlShowEventsStatement extends MySqlStatementImpl {
+
+    private static final long serialVersionUID = 1L;
+
+    private SQLExpr           schema;
+    private SQLExpr           like;
+    private SQLExpr           where;
+
+    public SQLExpr getSchema() {
+        return schema;
+    }
+
+    public void setSchema(SQLExpr schema) {
+        this.schema = schema;
+    }
+
+    public SQLExpr getLike() {
+        return like;
+    }
+
+    public void setLike(SQLExpr like) {
+        this.like = like;
+    }
+
+    public SQLExpr getWhere() {
+        return where;
+    }
+
+    public void setWhere(SQLExpr where) {
+        this.where = where;
+    }
+
+    public void accept0(MySqlASTVisitor visitor) {
+        if (visitor.visit(this)) {
+            acceptChild(visitor, schema);
+            acceptChild(visitor, like);
+            acceptChild(visitor, where);
+        }
+        visitor.endVisit(this);
+    }
+}

src/main/java/com/alibaba/druid/sql/dialect/mysql/ast/statement/MySqlShowFunctionCodeStatement.java

@@ -0,0 +1,27 @@
+package com.alibaba.druid.sql.dialect.mysql.ast.statement;
+
+import com.alibaba.druid.sql.ast.SQLExpr;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
+
+public class MySqlShowFunctionCodeStatement extends MySqlStatementImpl {
+
+    private static final long serialVersionUID = 1L;
+
+    private SQLExpr           name;
+
+    public void accept0(MySqlASTVisitor visitor) {
+        if (visitor.visit(this)) {
+            acceptChild(visitor, name);
+        }
+        visitor.endVisit(this);
+    }
+
+    public SQLExpr getName() {
+        return name;
+    }
+
+    public void setName(SQLExpr functionName) {
+        this.name = functionName;
+    }
+
+}

src/main/java/com/alibaba/druid/sql/dialect/mysql/ast/statement/MySqlShowFunctionStatusStatement.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * Licensed 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 com.alibaba.druid.sql.dialect.mysql.ast.statement;
+
+import com.alibaba.druid.sql.ast.SQLExpr;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
+
+public class MySqlShowFunctionStatusStatement extends MySqlStatementImpl {
+
+    private static final long serialVersionUID = 1L;
+
+    private SQLExpr           like;
+    private SQLExpr           where;
+
+    public SQLExpr getLike() {
+        return like;
+    }
+
+    public void setLike(SQLExpr like) {
+        this.like = like;
+    }
+
+    public SQLExpr getWhere() {
+        return where;
+    }
+
+    public void setWhere(SQLExpr where) {
+        this.where = where;
+    }
+
+    public void accept0(MySqlASTVisitor visitor) {
+        if (visitor.visit(this)) {
+            acceptChild(visitor, like);
+            acceptChild(visitor, where);
+        }
+        visitor.endVisit(this);
+    }
+}

src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlStatementParser.java

@@ -52,6 +52,7 @@ import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlReplicateStatement
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlResetStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlRollbackStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock.Limit;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSetCharSetStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSetNamesStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSetTransactionIsolationLevelStatement;
@@ -70,6 +71,12 @@ import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCreateTableSta
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCreateTriggerStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCreateViewStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowDatabasesStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowEngineStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowEnginesStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowErrorsStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowEventsStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowFunctionCodeStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowFunctionStatusStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowMasterLogsStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowStatusStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowTablesStatement;
@@ -107,26 +114,7 @@ public class MySqlStatementParser extends SQLStatementParser {
     public SQLUpdateStatement parseUpdateStatement() throws ParserException {
         MySqlUpdateStatement stmt = (MySqlUpdateStatement) super.parseUpdateStatement();
 
-        if (lexer.token() == Token.LIMIT) {
-            lexer.nextToken();
-
-            MySqlSelectQueryBlock.Limit limit = new MySqlSelectQueryBlock.Limit();
-
-            SQLExpr temp = this.exprParser.expr();
-            if (lexer.token() == (Token.COMMA)) {
-                limit.setOffset(temp);
-                lexer.nextToken();
-                limit.setRowCount(exprParser.expr());
-            } else if (identifierEquals("OFFSET")) {
-                limit.setRowCount(temp);
-                lexer.nextToken();
-                limit.setOffset(exprParser.expr());
-            } else {
-                limit.setRowCount(temp);
-            }
-
-            stmt.setLimit(limit);
-        }
+        stmt.setLimit(parseLimit());
 
         return stmt;
     }
@@ -190,15 +178,7 @@ public class MySqlStatementParser extends SQLStatementParser {
             deleteStatement.setOrderBy(orderBy);
         }
 
-        if (lexer.token() == Token.LIMIT) {
-            lexer.nextToken();
-
-            MySqlSelectQueryBlock.Limit limit = new MySqlSelectQueryBlock.Limit();
-            SQLExpr rowCount = exprParser.expr();
-            limit.setRowCount(rowCount);
-
-            deleteStatement.setLimit(limit);
-        }
+        deleteStatement.setLimit(parseLimit());
 
         return deleteStatement;
     }
@@ -466,10 +446,29 @@ public class MySqlStatementParser extends SQLStatementParser {
             accept(Token.LPAREN);
             accept(Token.STAR);
             accept(Token.RPAREN);
-            acceptIdentifier("WARNINGS");
 
-            MySqlShowWarningsStatement stmt = new MySqlShowWarningsStatement();
-            stmt.setCount(true);
+            if (identifierEquals("ERRORS")) {
+                lexer.nextToken();
+
+                MySqlShowErrorsStatement stmt = new MySqlShowErrorsStatement();
+                stmt.setCount(true);
+
+                return stmt;
+            } else {
+                acceptIdentifier("WARNINGS");
+
+                MySqlShowWarningsStatement stmt = new MySqlShowWarningsStatement();
+                stmt.setCount(true);
+
+                return stmt;
+            }
+        }
+
+        if (identifierEquals("ERRORS")) {
+            lexer.nextToken();
+
+            MySqlShowErrorsStatement stmt = new MySqlShowErrorsStatement();
+            stmt.setLimit(parseLimit());
 
             return stmt;
         }
@@ -576,25 +575,7 @@ public class MySqlStatementParser extends SQLStatementParser {
                 stmt.setFrom(this.exprParser.expr());
             }
 
-            if (lexer.token() == Token.LIMIT) {
-                lexer.nextToken();
-
-                MySqlSelectQueryBlock.Limit limit = new MySqlSelectQueryBlock.Limit();
-
-                SQLExpr temp = this.exprParser.expr();
-                if (lexer.token() == (Token.COMMA)) {
-                    limit.setOffset(temp);
-                    lexer.nextToken();
-                    limit.setRowCount(exprParser.expr());
-                } else if (identifierEquals("OFFSET")) {
-                    limit.setRowCount(temp);
-                    lexer.nextToken();
-                    limit.setOffset(exprParser.expr());
-                } else {
-                    limit.setRowCount(temp);
-                }
-                stmt.setLimit(limit);
-            }
+            stmt.setLimit(parseLimit());
 
             return stmt;
         }
@@ -603,69 +584,140 @@ public class MySqlStatementParser extends SQLStatementParser {
             lexer.nextToken();
             return new MySqlShowContributorsStatement();
         }
-        
+
         if (lexer.token() == Token.CREATE) {
             lexer.nextToken();
-            
+
             if (identifierEquals("DATABASE")) {
                 lexer.nextToken();
-                
+
                 MySqlShowCreateDatabaseStatement stmt = new MySqlShowCreateDatabaseStatement();
                 stmt.setDatabase(this.exprParser.name());
                 return stmt;
             }
-            
+
             if (identifierEquals("EVENT")) {
                 lexer.nextToken();
-                
+
                 MySqlShowCreateEventStatement stmt = new MySqlShowCreateEventStatement();
                 stmt.setEventName(this.exprParser.name());
                 return stmt;
             }
-            
+
             if (identifierEquals("FUNCTION")) {
                 lexer.nextToken();
-                
+
                 MySqlShowCreateFunctionStatement stmt = new MySqlShowCreateFunctionStatement();
                 stmt.setName(this.exprParser.name());
                 return stmt;
             }
-            
+
             if (identifierEquals("PROCEDURE")) {
                 lexer.nextToken();
-                
+
                 MySqlShowCreateProcedureStatement stmt = new MySqlShowCreateProcedureStatement();
                 stmt.setName(this.exprParser.name());
                 return stmt;
             }
-            
+
             if (lexer.token() == Token.TABLE) {
                 lexer.nextToken();
-                
+
                 MySqlShowCreateTableStatement stmt = new MySqlShowCreateTableStatement();
                 stmt.setName(this.exprParser.name());
                 return stmt;
             }
-            
+
             if (lexer.token() == Token.VIEW) {
                 lexer.nextToken();
-                
+
                 MySqlShowCreateViewStatement stmt = new MySqlShowCreateViewStatement();
                 stmt.setName(this.exprParser.name());
                 return stmt;
             }
-            
+
             if (identifierEquals("TRIGGER")) {
                 lexer.nextToken();
-                
+
                 MySqlShowCreateTriggerStatement stmt = new MySqlShowCreateTriggerStatement();
                 stmt.setName(this.exprParser.name());
                 return stmt;
             }
-            
+
             throw new ParserException("TODO " + lexer.stringVal());
         }
 
+        if (identifierEquals("ENGINE")) {
+            lexer.nextToken();
+            MySqlShowEngineStatement stmt = new MySqlShowEngineStatement();
+            stmt.setName(this.exprParser.name());
+            stmt.setOption(MySqlShowEngineStatement.Option.valueOf(lexer.stringVal().toUpperCase()));
+            lexer.nextToken();
+            return stmt;
+        }
+
+        if (identifierEquals("STORAGE")) {
+            lexer.nextToken();
+            acceptIdentifier("ENGINES");
+            MySqlShowEnginesStatement stmt = new MySqlShowEnginesStatement();
+            stmt.setStorage(true);
+            return stmt;
+        }
+
+        if (identifierEquals("ENGINES")) {
+            lexer.nextToken();
+            MySqlShowEnginesStatement stmt = new MySqlShowEnginesStatement();
+            return stmt;
+        }
+
+        if (identifierEquals("EVENTS")) {
+            lexer.nextToken();
+            MySqlShowEventsStatement stmt = new MySqlShowEventsStatement();
+            
+            if (lexer.token() == Token.FROM || lexer.token() == Token.IN) {
+                lexer.nextToken();
+                stmt.setSchema(this.exprParser.name());
+            }
+            
+            if (lexer.token() == Token.LIKE) {
+                lexer.nextToken();
+                stmt.setLike(this.exprParser.expr());
+            }
+
+            if (lexer.token() == Token.WHERE) {
+                lexer.nextToken();
+                stmt.setWhere(this.exprParser.expr());
+            }
+            return stmt;
+        }
+        
+        if (identifierEquals("FUNCTION")) {
+            lexer.nextToken();
+            
+            if (identifierEquals("CODE")) {
+                lexer.nextToken();
+                MySqlShowFunctionCodeStatement stmt = new MySqlShowFunctionCodeStatement();
+                stmt.setName(this.exprParser.name());
+                return stmt;
+            }
+            
+            acceptIdentifier("STATUS");
+            MySqlShowFunctionStatusStatement stmt = new MySqlShowFunctionStatusStatement();
+            
+            if (lexer.token() == Token.LIKE) {
+                lexer.nextToken();
+                stmt.setLike(this.exprParser.expr());
+            }
+
+            if (lexer.token() == Token.WHERE) {
+                lexer.nextToken();
+                stmt.setWhere(this.exprParser.expr());
+            }
+            return stmt;
+        }
+        
+        //MySqlShowFunctionStatusStatement
+
         throw new ParserException("TODO " + lexer.stringVal());
     }
 
@@ -690,26 +742,7 @@ public class MySqlStatementParser extends SQLStatementParser {
     private MySqlShowWarningsStatement parseShowWarnings() throws ParserException {
         MySqlShowWarningsStatement stmt = new MySqlShowWarningsStatement();
 
-        if (lexer.token() == Token.LIMIT) {
-            lexer.nextToken();
-
-            MySqlSelectQueryBlock.Limit limit = new MySqlSelectQueryBlock.Limit();
-
-            SQLExpr temp = this.exprParser.expr();
-            if (lexer.token() == (Token.COMMA)) {
-                limit.setOffset(temp);
-                lexer.nextToken();
-                limit.setRowCount(exprParser.expr());
-            } else if (identifierEquals("OFFSET")) {
-                limit.setRowCount(temp);
-                lexer.nextToken();
-                limit.setOffset(exprParser.expr());
-            } else {
-                limit.setRowCount(temp);
-            }
-
-            stmt.setLimit(limit);
-        }
+        stmt.setLimit(parseLimit());
 
         return stmt;
     }
@@ -1357,4 +1390,28 @@ public class MySqlStatementParser extends SQLStatementParser {
             return stmt;
         }
     }
+
+    private Limit parseLimit() {
+        if (lexer.token() == Token.LIMIT) {
+            lexer.nextToken();
+
+            MySqlSelectQueryBlock.Limit limit = new MySqlSelectQueryBlock.Limit();
+
+            SQLExpr temp = this.exprParser.expr();
+            if (lexer.token() == (Token.COMMA)) {
+                limit.setOffset(temp);
+                lexer.nextToken();
+                limit.setRowCount(exprParser.expr());
+            } else if (identifierEquals("OFFSET")) {
+                limit.setRowCount(temp);
+                lexer.nextToken();
+                limit.setOffset(exprParser.expr());
+            } else {
+                limit.setRowCount(temp);
+            }
+            return limit;
+        }
+
+        return null;
+    }
 }

src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlASTVisitor.java

@@ -61,6 +61,12 @@ import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCreateTableSta
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCreateTriggerStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCreateViewStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowDatabasesStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowEngineStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowEnginesStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowErrorsStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowEventsStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowFunctionCodeStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowFunctionStatusStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowMasterLogsStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowStatusStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowTablesStatement;
@@ -291,4 +297,28 @@ public interface MySqlASTVisitor extends SQLASTVisitor {
     boolean visit(MySqlShowCreateViewStatement x);
     
     void endVisit(MySqlShowCreateViewStatement x);
+    
+    boolean visit(MySqlShowEngineStatement x);
+    
+    void endVisit(MySqlShowEngineStatement x);
+    
+    boolean visit(MySqlShowEnginesStatement x);
+    
+    void endVisit(MySqlShowEnginesStatement x);
+    
+    boolean visit(MySqlShowErrorsStatement x);
+    
+    void endVisit(MySqlShowErrorsStatement x);
+    
+    boolean visit(MySqlShowEventsStatement x);
+    
+    void endVisit(MySqlShowEventsStatement x);
+    
+    boolean visit(MySqlShowFunctionCodeStatement x);
+    
+    void endVisit(MySqlShowFunctionCodeStatement x);
+    
+    boolean visit(MySqlShowFunctionStatusStatement x);
+    
+    void endVisit(MySqlShowFunctionStatusStatement x);
 }

src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlASTVisitorAdapter.java

@@ -48,6 +48,12 @@ import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCreateTableSta
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCreateTriggerStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCreateViewStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowDatabasesStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowEngineStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowEnginesStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowErrorsStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowEventsStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowFunctionCodeStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowFunctionStatusStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowMasterLogsStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowStatusStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowTablesStatement;
@@ -630,4 +636,64 @@ public class MySqlASTVisitorAdapter extends SQLASTVisitorAdapter implements
     public void endVisit(MySqlShowCreateViewStatement x) {
         
     }
+
+    @Override
+    public boolean visit(MySqlShowEngineStatement x) {
+        return true;
+    }
+
+    @Override
+    public void endVisit(MySqlShowEngineStatement x) {
+        
+    }
+    
+    @Override
+    public boolean visit(MySqlShowEnginesStatement x) {
+        return true;
+    }
+    
+    @Override
+    public void endVisit(MySqlShowEnginesStatement x) {
+        
+    }
+
+    @Override
+    public boolean visit(MySqlShowErrorsStatement x) {
+        return false;
+    }
+
+    @Override
+    public void endVisit(MySqlShowErrorsStatement x) {
+        
+    }
+    
+    @Override
+    public boolean visit(MySqlShowEventsStatement x) {
+        return false;
+    }
+    
+    @Override
+    public void endVisit(MySqlShowEventsStatement x) {
+        
+    }
+
+    @Override
+    public boolean visit(MySqlShowFunctionCodeStatement x) {
+        return false;
+    }
+
+    @Override
+    public void endVisit(MySqlShowFunctionCodeStatement x) {
+        
+    }
+
+    @Override
+    public boolean visit(MySqlShowFunctionStatusStatement x) {
+        return false;
+    }
+
+    @Override
+    public void endVisit(MySqlShowFunctionStatusStatement x) {
+        
+    }
 }

src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlOutputVisitor.java

@@ -80,6 +80,12 @@ import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCreateTableSta
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCreateTriggerStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCreateViewStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowDatabasesStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowEngineStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowEnginesStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowErrorsStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowEventsStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowFunctionCodeStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowFunctionStatusStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowMasterLogsStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowStatusStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowTablesStatement;
@@ -1466,9 +1472,9 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
 
     @Override
     public void endVisit(MySqlSetNamesStatement x) {
-        
+
     }
-    
+
     @Override
     public boolean visit(MySqlSetCharSetStatement x) {
         print("SET CHARACTER SET ");
@@ -1483,15 +1489,15 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
         }
         return false;
     }
-    
+
     @Override
     public void endVisit(MySqlSetCharSetStatement x) {
-        
+
     }
 
     @Override
     public void endVisit(MySqlShowAuthorsStatement x) {
-        
+
     }
 
     @Override
@@ -1499,12 +1505,12 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
         print("SHOW AUTHORS");
         return false;
     }
-    
+
     @Override
     public void endVisit(MySqlShowBinaryLogsStatement x) {
-        
+
     }
-    
+
     @Override
     public boolean visit(MySqlShowBinaryLogsStatement x) {
         print("SHOW BINARY LOGS");
@@ -1519,9 +1525,9 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
 
     @Override
     public void endVisit(MySqlShowMasterLogsStatement x) {
-        
+
     }
-    
+
     @Override
     public boolean visit(MySqlShowCollationStatement x) {
         print("SHOW COLLATION");
@@ -1535,12 +1541,12 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
         }
         return false;
     }
-    
+
     @Override
     public void endVisit(MySqlShowCollationStatement x) {
-        
+
     }
-    
+
     @Override
     public boolean visit(MySqlShowBinLogEventsStatement x) {
         print("SHOW BINLOG EVENTS");
@@ -1558,10 +1564,10 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
         }
         return false;
     }
-    
+
     @Override
     public void endVisit(MySqlShowBinLogEventsStatement x) {
-        
+
     }
 
     @Override
@@ -1580,7 +1586,7 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
 
     @Override
     public void endVisit(MySqlShowCharacterSetStatement x) {
-        
+
     }
 
     @Override
@@ -1591,19 +1597,19 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
 
     @Override
     public void endVisit(MySqlShowContributorsStatement x) {
-        
+
     }
-    
+
     @Override
     public boolean visit(MySqlShowCreateDatabaseStatement x) {
         print("SHOW CREATE DATABASE ");
         x.getDatabase().accept(this);
         return false;
     }
-    
+
     @Override
     public void endVisit(MySqlShowCreateDatabaseStatement x) {
-        
+
     }
 
     @Override
@@ -1615,31 +1621,31 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
 
     @Override
     public void endVisit(MySqlShowCreateEventStatement x) {
-        
+
     }
-    
+
     @Override
     public boolean visit(MySqlShowCreateFunctionStatement x) {
         print("SHOW CREATE FUNCTION ");
         x.getName().accept(this);
         return false;
     }
-    
+
     @Override
     public void endVisit(MySqlShowCreateFunctionStatement x) {
-        
+
     }
-    
+
     @Override
     public boolean visit(MySqlShowCreateProcedureStatement x) {
         print("SHOW CREATE PROCEDURE ");
         x.getName().accept(this);
         return false;
     }
-    
+
     @Override
     public void endVisit(MySqlShowCreateProcedureStatement x) {
-        
+
     }
 
     @Override
@@ -1651,7 +1657,7 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
 
     @Override
     public void endVisit(MySqlShowCreateTableStatement x) {
-        
+
     }
 
     @Override
@@ -1663,7 +1669,7 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
 
     @Override
     public void endVisit(MySqlShowCreateTriggerStatement x) {
-        
+
     }
 
     @Override
@@ -1675,6 +1681,113 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
 
     @Override
     public void endVisit(MySqlShowCreateViewStatement x) {
+
+    }
+
+    @Override
+    public boolean visit(MySqlShowEngineStatement x) {
+        print("SHOW ENGINE ");
+        x.getName().accept(this);
+        print(' ');
+        print(x.getOption().name());
+        return false;
+    }
+
+    @Override
+    public void endVisit(MySqlShowEngineStatement x) {
+
+    }
+
+    @Override
+    public boolean visit(MySqlShowEnginesStatement x) {
+        if (x.isStorage()) {
+            print("SHOW STORAGE ENGINES");
+        } else {
+            print("SHOW ENGINES");
+        }
+        return false;
+    }
+
+    @Override
+    public void endVisit(MySqlShowEnginesStatement x) {
+
+    }
+
+    @Override
+    public boolean visit(MySqlShowErrorsStatement x) {
+        if (x.isCount()) {
+            print("SHOW COUNT(*) ERRORS");
+        } else {
+            print("SHOW ERRORS");
+            if (x.getLimit() != null) {
+                print(' ');
+                x.getLimit().accept(this);
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public void endVisit(MySqlShowErrorsStatement x) {
+
+    }
+
+    @Override
+    public boolean visit(MySqlShowEventsStatement x) {
+        print("SHOW EVENTS");
+        if (x.getSchema() != null) {
+            print(" FROM ");
+            x.getSchema().accept(this);
+        }
+        
+        if (x.getLike() != null) {
+            print(" LIKE ");
+            x.getLike().accept(this);
+        }
+        
+        if (x.getWhere() != null) {
+            print(" WHERE ");
+            x.getWhere().accept(this);
+        }
+
+        return false;
+    }
+
+    @Override
+    public void endVisit(MySqlShowEventsStatement x) {
+
+    }
+
+    @Override
+    public boolean visit(MySqlShowFunctionCodeStatement x) {
+        print("SHOW FUNCTION CODE ");
+        x.getName().accept(this);
+        return false;
+    }
+
+    @Override
+    public void endVisit(MySqlShowFunctionCodeStatement x) {
+        
+    }
+
+    @Override
+    public boolean visit(MySqlShowFunctionStatusStatement x) {
+        print("SHOW FUNCTION STATUS");
+        if (x.getLike() != null) {
+            print(" LIKE ");
+            x.getLike().accept(this);
+        }
+        
+        if (x.getWhere() != null) {
+            print(" WHERE ");
+            x.getWhere().accept(this);
+        }
+
+        return false;
+    }
+
+    @Override
+    public void endVisit(MySqlShowFunctionStatusStatement x) {
         
     }
 }

src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlSchemaStatVisitor.java

@@ -57,6 +57,12 @@ import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCreateTableSta
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCreateTriggerStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCreateViewStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowDatabasesStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowEngineStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowEnginesStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowErrorsStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowEventsStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowFunctionCodeStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowFunctionStatusStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowMasterLogsStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowStatusStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowTablesStatement;
@@ -692,4 +698,64 @@ public class MySqlSchemaStatVisitor extends SchemaStatVisitor implements MySqlAS
     public void endVisit(MySqlShowCreateViewStatement x) {
         
     }
+
+    @Override
+    public boolean visit(MySqlShowEngineStatement x) {
+        return false;
+    }
+
+    @Override
+    public void endVisit(MySqlShowEngineStatement x) {
+        
+    }
+    
+    @Override
+    public boolean visit(MySqlShowEnginesStatement x) {
+        return false;
+    }
+    
+    @Override
+    public void endVisit(MySqlShowEnginesStatement x) {
+        
+    }
+
+    @Override
+    public boolean visit(MySqlShowErrorsStatement x) {
+        return false;
+    }
+
+    @Override
+    public void endVisit(MySqlShowErrorsStatement x) {
+        
+    }
+
+    @Override
+    public boolean visit(MySqlShowEventsStatement x) {
+        return false;
+    }
+
+    @Override
+    public void endVisit(MySqlShowEventsStatement x) {
+        
+    }
+
+    @Override
+    public boolean visit(MySqlShowFunctionCodeStatement x) {
+        return false;
+    }
+
+    @Override
+    public void endVisit(MySqlShowFunctionCodeStatement x) {
+        
+    }
+
+    @Override
+    public boolean visit(MySqlShowFunctionStatusStatement x) {
+        return false;
+    }
+
+    @Override
+    public void endVisit(MySqlShowFunctionStatusStatement x) {
+        
+    }
 }