How to use caching for sql queries in groovy?

@cali_green 

In Groovy, you can use caching for SQL queries by leveraging the Caching feature provided by the Groovy Sql library. Here's how you can do it:

1. Import required classes from Groovy Sql library:

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import groovy.sql.Sql
import javax.sql.DataSource
import org.apache.commons.dbcp2.BasicDataSource

1. Create a DataSource object with connection details:

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def dataSource = new BasicDataSource()
dataSource.setDriverClassName("com.mysql.jdbc.Driver")
dataSource.setUrl("jdbc:mysql://localhost:3306/mydb")
dataSource.setUsername("username")
dataSource.setPassword("password")

1. Create a Sql object with the DataSource:

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def sql = Sql.newInstance(dataSource)

1. Execute a SQL query with caching enabled:

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def result = sql.rows("SELECT * FROM my_table").memoize(true)

In the above example, the memoize(true) method call enables caching for the SQL query results. Subsequent calls to the same query will return the cached result instead of executing the query again.

Remember to handle exceptions and close the Sql object properly after using it. Caching can improve performance for frequently executed queries, but be cautious about using it for queries that return dynamic data.