mysql-amoeba路由报错，但信息能正常查询-Mysql Tutorial-php.cn

Home

Database

Mysql Tutorial

mysql-amoeba路由报错，但信息能正常查询

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Jun 06, 2016 am 09:34 AM

amoebamysql

问题：最近将ecshop与amoeba进行结合，修改了部分ecshop的insert语句，因为不符合amoeba的要求，但是在做查询时，出现路由错误，如下异常：
2016-01-07 08:36:04,941 ERROR route.AbstractQueryRouter - SELECT id, number, type FROM wdsl.ecs_template WHERE filename = 'flow' AND type > 0 AND remarks ='' AND theme='newtemps'
com.meidusa.amoeba.parser.ParseException: com.meidusa.amoeba.mysql.parser.sql.ParseException: Encountered "number" at line 1, column 12.
Was expecting one of:
"SELECT" ...
"(" ...
"(" ...

at com.meidusa.amoeba.mysql.parser.sql.MysqlParser.doParse(MysqlParser.java:117)
at com.meidusa.amoeba.route.SqlBaseQueryRouter.parseStatement(SqlBaseQueryRouter.java:138)
at com.meidusa.amoeba.mysql.handler.MySqlCommandDispatcher.handleQueryCommandMessage(MySqlCommandDispatcher.java:73)
at com.meidusa.amoeba.mysql.handler.MySqlCommandDispatcher$1.run(MySqlCommandDispatcher.java:246)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:662)
Caused by: com.meidusa.amoeba.mysql.parser.sql.ParseException: Encountered "number" at line 1, column 12.
Was expecting one of:
"SELECT" ...
"(" ...
"(" ...

at com.meidusa.amoeba.mysql.parser.sql.MysqlParser.generateParseException(MysqlParser.java:5848)
at com.meidusa.amoeba.mysql.parser.sql.MysqlParser.jj_consume_token(MysqlParser.java:5718)
at com.meidusa.amoeba.mysql.parser.sql.MysqlParser.SelectItem(MysqlParser.java:2033)
at com.meidusa.amoeba.mysql.parser.sql.MysqlParser.SelectList(MysqlParser.java:1980)
at com.meidusa.amoeba.mysql.parser.sql.MysqlParser.SelectClause(MysqlParser.java:1943)
at com.meidusa.amoeba.mysql.parser.sql.MysqlParser.SubSelectStatement(MysqlParser.java:1734)
at com.meidusa.amoeba.mysql.parser.sql.MysqlParser.FullSelectStatement(MysqlParser.java:1681)
at com.meidusa.amoeba.mysql.parser.sql.MysqlParser.SelectQuery(MysqlParser.java:1309)
at com.meidusa.amoeba.mysql.parser.sql.MysqlParser.parserInner(MysqlParser.java:355)
at com.meidusa.amoeba.mysql.parser.sql.MysqlParser.parse(MysqlParser.java:268)
at com.meidusa.amoeba.mysql.parser.sql.MysqlParser.doParse(MysqlParser.java:114)
... 6 more
但是结果可以正常显示，就是比ecshop直连mysql要慢1秒左右，每次刷新页面，amoeba的错误日志能到600行。麻烦有没有做过amoeba的人事帮忙看一下

Statement

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Explain the ACID properties (Atomicity, Consistency, Isolation, Durability).Apr 16, 2025 am 12:20 AM

ACID attributes include atomicity, consistency, isolation and durability, and are the cornerstone of database design. 1. Atomicity ensures that the transaction is either completely successful or completely failed. 2. Consistency ensures that the database remains consistent before and after a transaction. 3. Isolation ensures that transactions do not interfere with each other. 4. Persistence ensures that data is permanently saved after transaction submission.

MySQL: Database Management System vs. Programming LanguageApr 16, 2025 am 12:19 AM

MySQL is not only a database management system (DBMS) but also closely related to programming languages. 1) As a DBMS, MySQL is used to store, organize and retrieve data, and optimizing indexes can improve query performance. 2) Combining SQL with programming languages, embedded in Python, using ORM tools such as SQLAlchemy can simplify operations. 3) Performance optimization includes indexing, querying, caching, library and table division and transaction management.

MySQL: Managing Data with SQL CommandsApr 16, 2025 am 12:19 AM

MySQL uses SQL commands to manage data. 1. Basic commands include SELECT, INSERT, UPDATE and DELETE. 2. Advanced usage involves JOIN, subquery and aggregate functions. 3. Common errors include syntax, logic and performance issues. 4. Optimization tips include using indexes, avoiding SELECT* and using LIMIT.

MySQL's Purpose: Storing and Managing Data EffectivelyApr 16, 2025 am 12:16 AM

MySQL is an efficient relational database management system suitable for storing and managing data. Its advantages include high-performance queries, flexible transaction processing and rich data types. In practical applications, MySQL is often used in e-commerce platforms, social networks and content management systems, but attention should be paid to performance optimization, data security and scalability.

SQL and MySQL: Understanding the RelationshipApr 16, 2025 am 12:14 AM

The relationship between SQL and MySQL is the relationship between standard languages and specific implementations. 1.SQL is a standard language used to manage and operate relational databases, allowing data addition, deletion, modification and query. 2.MySQL is a specific database management system that uses SQL as its operating language and provides efficient data storage and management.

Explain the role of InnoDB redo logs and undo logs.Apr 15, 2025 am 12:16 AM

InnoDB uses redologs and undologs to ensure data consistency and reliability. 1.redologs record data page modification to ensure crash recovery and transaction persistence. 2.undologs records the original data value and supports transaction rollback and MVCC.

What are the key metrics to look for in an EXPLAIN output (type, key, rows, Extra)?Apr 15, 2025 am 12:15 AM

Key metrics for EXPLAIN commands include type, key, rows, and Extra. 1) The type reflects the access type of the query. The higher the value, the higher the efficiency, such as const is better than ALL. 2) The key displays the index used, and NULL indicates no index. 3) rows estimates the number of scanned rows, affecting query performance. 4) Extra provides additional information, such as Usingfilesort prompts that it needs to be optimized.

What is the Using temporary status in EXPLAIN and how to avoid it?Apr 15, 2025 am 12:14 AM

Usingtemporary indicates that the need to create temporary tables in MySQL queries, which are commonly found in ORDERBY using DISTINCT, GROUPBY, or non-indexed columns. You can avoid the occurrence of indexes and rewrite queries and improve query performance. Specifically, when Usingtemporary appears in EXPLAIN output, it means that MySQL needs to create temporary tables to handle queries. This usually occurs when: 1) deduplication or grouping when using DISTINCT or GROUPBY; 2) sort when ORDERBY contains non-index columns; 3) use complex subquery or join operations. Optimization methods include: 1) ORDERBY and GROUPB

See all articles