{"id":4405,"date":"2019-05-11T14:38:43","date_gmt":"2019-05-11T06:38:43","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=4405"},"modified":"2019-06-16T22:00:48","modified_gmt":"2019-06-16T14:00:48","slug":"%e5%a6%82%e4%bd%95%e7%94%a8java%e4%bb%8esql%e4%b8%ad%e6%8f%90%e5%8f%96%e5%87%ba%e6%b6%89%e5%8f%8a%e5%88%b0%e7%9a%84%e8%a1%a8%e5%90%8d%e3%80%81%e5%88%97%e5%90%8d%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/4405.html","title":{"rendered":"\u5982\u4f55\u7528Java\u4eceSQL\u4e2d\u63d0\u53d6\u51fa\u6d89\u53ca\u5230\u7684\u8868\u540d\u3001\u5217\u540d\uff1f"},"content":{"rendered":"\n

=Start=<\/p>\n\n\n\n

\u7f18\u7531\uff1a<\/h4>\n\n\n\n

\u8bb0\u5f55\u6574\u7406\u4e00\u4e0b\u5982\u4f55\u7528Java\u4eceSQL\u4e2d\u63d0\u53d6\u51fa\u6d89\u53ca\u5230\u7684\u8868\u540d\u548c\u5217\u540d\u3002<\/p>\n\n\n\n

\u6b63\u6587\uff1a<\/h4>\n\n\n\n

\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n\n\n\n

\u6700\u65e9\u6211\u662f\u60f3\u7528Python\u5b9e\u73b0\u8fd9\u4e2a\u529f\u80fd\u7684\uff0c\u56e0\u4e3a\u5728\u5b57\u7b26\u4e32\u5904\u7406\u65b9\u9762Python\u76f8\u6bd4\u4e8eJava\u6765\u8bf4\u8981\u65b9\u4fbf\u592a\u591a\uff0c\u4f46\u662f\u5728\u7f51\u4e0a\u627e\u4e86\u4e00\u5708\u8d44\u6599\u540e\u53d1\u73b0\uff0c\u5982\u679c\u60f3\u5355\u7eaf\u7528Python\u81ea\u5df1\u624b\u5199\u5b9e\u73b0\uff0c\u96be\u5ea6\u6709\u70b9\u5927\uff0c\u800c\u4e14\u5f88\u96be\u4fdd\u8bc1\u63d0\u53d6\u7684\u6548\u679c\u3002\u800cJava\u5728\u8d44\u6e90\u751f\u6001\u8fd9\u65b9\u9762\u7684\u4f18\u52bf\u5c31\u6bd4\u8f83\u5927\u4e86\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n

ANTLR4\u3001Apache Calcite<\/em>\u3001Alibaba Druid<\/p>\n\n\n\n

\u4e0a\u9762\u7684\u8fd9\u51e0\u4e2a\u5de5\u5177\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u5728\u6b64\u4e0d\u7ec6\u8bf4\uff0c\u540e\u7eed\u4f1a\u6574\u7406\u4e00\u4e9b\u8fd9\u65b9\u9762\u7684\u8d44\u6599\u65b9\u4fbf\u9700\u8981\u7684\u4eba\u8fdb\u884c\u53c2\u8003\u3002\u8fd9\u91cc\u4e3b\u8981\u628a\u4f7f\u7528Alibaba Druid\u63d0\u53d6SQL\u8868\u540d\u3001\u5217\u540d\u7684\u65b9\u6cd5\u5b9e\u8df5\u6574\u7406\u5e76\u8bb0\u5f55\u4e00\u4e0b\uff0c\u65b9\u4fbf\u81ea\u5df1\u67e5\u9605\u548c\u53c2\u8003\u3002<\/p>\n\n\n\n

Alibaba Druid\u5176\u5b9e\u662f\u963f\u91cc\u5f00\u6e90\u7684\u4e00\u4e2a\uff08\u6709\u7edf\u8ba1\u3001\u76d1\u63a7\u529f\u80fd\u7684\uff09\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u5b9e\u73b0\uff0c\u4f5c\u4e3a\u6570\u636e\u5e93\u8fde\u63a5\u6c60\uff0c\u5b83\u81ea\u8eab\u4e5f\u6709\u4e00\u4e2aSQL\u89e3\u6790\u6a21\u5757\uff0c\u8fd9\u91cc\u5c31\u662f\u501f\u52a9\u5b83\u63d0\u4f9b\u7684SQL\u89e3\u6790\u6a21\u5757\u5b9e\u73b0\u6211\u4eec\u9700\u8981\u7684\u4e00\u4e9b\u529f\u80fd\u3002<\/p>\n\n\n\n

\u4ee3\u7801\u6837\u4f8b\uff1a<\/p>\n\n\n\n

import com.alibaba.druid.sql.SQLUtils;\nimport com.alibaba.druid.sql.ast.SQLStatement;\nimport com.alibaba.druid.sql.ast.statement.SQLSelect;\nimport com.alibaba.druid.sql.ast.statement.SQLSelectQueryBlock;\nimport com.alibaba.druid.sql.ast.statement.SQLSelectStatement;\nimport com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;\nimport com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;\nimport com.alibaba.druid.stat.TableStat;\nimport com.alibaba.druid.util.JdbcConstants;\n\nimport java.util.Iterator;\nimport java.util.List;\nimport java.util.Map;\n\n\/**\n * Created by ixyzero on 2019\/5\/10.\n *\/\npublic class ParseSQL {\n    public static void main(String[] args) {\n        String sql = \"SELECT\\n\" +\n                \"  a.id,\\n\" +\n                \"  username,\\n\" +\n                \"  b.workflow_name,\\n\" +\n                \"  reviewok_time\\n\" +\n                \"FROM archer.sql_users a\\n\" +\n                \"  JOIN sql_workflow b ON a.username = b.engineer;\\n\";\n\n        \/\/ \u65b0\u5efa MySQL Parser\n        MySqlStatementParser parser = new MySqlStatementParser(sql);\n\n        \/\/ \u4f7f\u7528Parser\u89e3\u6790\u751f\u6210AST\uff0c\u8fd9\u91ccSQLStatement\u5c31\u662fAST\n        SQLStatement statement = parser.parseStatement();\n\n        \/\/ \u4f7f\u7528visitor\u6765\u8bbf\u95eeAST\n        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();\n        statement.accept(visitor);\n\n        \/\/ System.out.println(sql);\n\n        System.out.println(visitor.getAliasMap());\n        System.out.println();\n\n        \/\/ \u4ecevisitor\u4e2d\u62ff\u51fa\u4f60\u6240\u5173\u6ce8\u7684\u4fe1\u606f\n        \/\/ System.out.println(visitor.getTables());\n        \/\/ System.out.println();\n        \/\/ System.out.println(visitor.getColumns());\n        \/\/ System.out.println();\n\n\n        \/\/\u4f7f\u7528mysql\u89e3\u6790\n        MySqlStatementParser mySqlStatementParser = new MySqlStatementParser(sql) ;\n\n        \/\/\u89e3\u6790select\u67e5\u8be2\n        SQLSelectStatement sqlSelectStatement = (SQLSelectStatement) mySqlStatementParser.parseSelect();\n        SQLSelect sqlSelect = sqlSelectStatement.getSelect() ;\n\n        \/\/\u83b7\u53d6sql\u67e5\u8be2\u5757\n        SQLSelectQueryBlock sqlSelectQueryBlock = (SQLSelectQueryBlock)sqlSelect.getQuery() ;\n        System.out.println(sqlSelectQueryBlock.getSelectList());\n\n        \/\/\u683c\u5f0f\u5316\u8f93\u51fa\n        String result = SQLUtils.format(sql, JdbcConstants.MYSQL);\n        System.out.println(\"\\n\");\n        System.out.println(result); \/\/ \u7f3a\u7701\u5927\u5199\u683c\u5f0f\n        List<SQLStatement> stmtList = SQLUtils.parseStatements(sql, JdbcConstants.MYSQL);\n\n        \/\/\u89e3\u6790\u51fa\u7684\u72ec\u7acb\u8bed\u53e5\u7684\u4e2a\u6570\n        System.out.println(\"\\nsize is:\" + stmtList.size() + \"\\n\");\n        for (int i = 0; i < stmtList.size(); i++) {\n\n            SQLStatement stmt = stmtList.get(i);\n\n            MySqlSchemaStatVisitor visitorX = new MySqlSchemaStatVisitor();\n            stmt.accept(visitorX);\n\n            \/\/ Map<String, String> aliasmap = visitorX.getAliasMap();\n            \/\/ for (Iterator iterator = aliasmap.keySet().iterator(); iterator.hasNext();) {\n            \/\/     String key = iterator.next().toString();\n            \/\/     System.out.println(\"[ALIAS]\" + key + \" - \" + aliasmap.get(key));\n            \/\/ }\n            \/\/ \/\/\n            \/\/ Set<TableStat.Column> groupby_col = visitorX.getGroupByColumns();\n            \/\/ for (Iterator iterator = groupby_col.iterator(); iterator.hasNext();) {\n            \/\/     TableStat.Column column = (TableStat.Column) iterator.next();\n            \/\/     System.out.println(\"[GROUP]\" + column.toString());\n            \/\/ }\n\n            \/\/\u83b7\u53d6\u8868\u540d\u79f0\n            System.out.println(\"table names:\");\n            Map<TableStat.Name, TableStat> tabmap = visitorX.getTables();\n            for (Iterator iterator = tabmap.keySet().iterator(); iterator.hasNext();) {\n                TableStat.Name name = (TableStat.Name) iterator.next();\n                System.out.println(name.toString() + \" - \" + tabmap.get(name).toString());\n            }\n            \/\/System.out.println(\"Tables : \" + visitorX.getCurrentTable());\n            \/\/\u83b7\u53d6\u64cd\u4f5c\u65b9\u6cd5\u540d\u79f0,\u4f9d\u8d56\u4e8e\u8868\u540d\u79f0\n            System.out.println(\"Manipulation : \" + visitorX.getTables());\n            \/\/\u83b7\u53d6\u5b57\u6bb5\u540d\u79f0\n            System.out.println(\"fields : \" + visitorX.getColumns());\n            System.out.println(\"\");\n        }\n    }\n}<\/pre>\n\n\n\n
<\/p>\n\n\n\n
\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n\n\n\n
\u5173\u4e8eSQL\u89e3\u6790\uff0c\u4e3a\u4f55\u7f16\u7a0b\u8bed\u8a00\u89e3\u6790\u5668ANTLR\u66f4\u80dc\u4e00\u7b79\uff1f
https:\/\/mp.weixin.qq.com\/s\/Di11ZzqiiY0tJYDRhfdCPw<\/a><\/p>\n\n\n\n
Parsing mysql using ANTLR4 simple example
https:\/\/stackoverflow.com\/questions\/49769147\/parsing-mysql-using-antlr4-simple-example<\/a><\/p>\n\n\n\n
Dynamic Data Masking \u52a8\u6001\u6570\u636e\u8131\u654f
https:\/\/hhyo.github.io\/2018\/04\/16\/data-masking\/<\/a><\/p>\n\n\n\n
\u51e0\u79cd\u57fa\u4e8eJava\u7684SQL\u89e3\u6790\u5de5\u5177\u7684\u6bd4\u8f83\u4e0e\u8c03\u7528
https:\/\/www.cnblogs.com\/blueglass\/p\/6286814.html
<\/a>http:\/\/www.zhongruitech.com\/168055984.html<\/a><\/p>\n\n\n\n
=END=<\/p>\n","protected":false},"excerpt":{"rendered":"
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