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# jdbc-tracer | ||
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[![Maven Central](https://maven-badges.herokuapp.com/maven-central/me.geso.jdbctracer/jdbc-tracer/badge.svg)](https://maven-badges.herokuapp.com/maven-central/me.geso.jdbctracer/jdbc-tracer) | ||
[![javadoc.io](https://javadocio-badges.herokuapp.com/me.geso.jdbctracer/jdbc-tracer/badge.svg)](https://javadocio-badges.herokuapp.com/me.geso.jdbctracer/jdbc-tracer) | ||
[![Circle CI](https://circleci.com/gh/tokuhirom/jdbc-querylog.svg?style=svg)](https://circleci.com/gh/tokuhirom/jdbc-querylog) | ||
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jdbc-tracer is a JDBC driver, which provides hook points to trace all queries. | ||
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## Use cases | ||
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* Record all statements executed by JDBC driver | ||
* Detect heavy queries in development environment. | ||
* Send EXPLAIN statement | ||
* Logging queries and parameters. | ||
* Detect webapp controller, that sends too much SQL queries. | ||
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## Listeners | ||
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You need to implement PreparedStatementListener or ResultSetListener. | ||
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### PreparedStatementListener | ||
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You can get following values for each executed queries: | ||
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* connection | ||
* elapsed time | ||
* SQL statement | ||
* binded variables | ||
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### ResultSetListener | ||
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You can get following values for each got rows: | ||
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* isFirstRow | ||
* You may print column information on first row. | ||
* resultSet | ||
* you can get resultset information! | ||
* (MUST NOT call `next()` from the listener. it cause infinite loop) | ||
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## Install | ||
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You can install this library from maven central. | ||
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## License | ||
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The MIT License (MIT) | ||
Copyright © 2016 Tokuhiro Matsuno, http://64p.org/ <tokuhirom@gmail.com> | ||
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Permission is hereby granted, free of charge, to any person obtaining a copy | ||
of this software and associated documentation files (the “Software”), to deal | ||
in the Software without restriction, including without limitation the rights | ||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
copies of the Software, and to permit persons to whom the Software is | ||
furnished to do so, subject to the following conditions: | ||
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The above copyright notice and this permission notice shall be included in | ||
all copies or substantial portions of the Software. | ||
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THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
THE SOFTWARE. |
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