Apache Calcite 学习文档

翻译

Name		Name	Last commit message	Last commit date
calcite-tutorial-0-translation		calcite-tutorial-0-translation
calcite-tutorial-1-basic		calcite-tutorial-1-basic
calcite-tutorial-2-parser		calcite-tutorial-2-parser
calcite-tutorial-3-schema		calcite-tutorial-3-schema
calcite-tutorial-4-validator		calcite-tutorial-4-validator
.gitignore		.gitignore
README.md		README.md
pom.xml		pom.xml