Calcite multi datasource showcase

Showcase of oracle and postgres tables sql join with help of calcite

Start guide

• Run docker-compose up -d; docker-compose up logs -f;
• Waite 10-15 minutes for oracle
• Build artifact mvn clean package
• Start application java -jar target/calcite-0.0.1-SNAPSHOT.jar
• Execute query.sql file curl -X POST -H 'Content-Type: application/json' http://127.0.0.1:8080/api/query-template --data-binary @query.sql

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