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add sql format utils

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温少
2012-03-14 20:29:00 +08:00
parent 529dc0bf28
commit 70b0664815
1 changed files with 58 additions and 4 deletions
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src/main/java/com/alibaba/druid/sql/SQLUtils.java
+58 -4
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@@ -1,8 +1,14 @@
package com.alibaba.druid.sql;
import java.util.List;
import com.alibaba.druid.sql.ast.SQLObject;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleOutputVisitor;
import com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser;
import com.alibaba.druid.sql.dialect.postgresql.visitor.PGOutputVisitor;
public class SQLUtils {
@@ -15,20 +21,68 @@ public class SQLUtils {
return sql;
}
public static String formatMySql(String sql) {
MySqlStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
StringBuilder out = new StringBuilder();
MySqlOutputVisitor visitor = new MySqlOutputVisitor(out);
for (SQLStatement stmt : statementList) {
stmt.accept(visitor);
}
return out.toString();
}
public static String formatOracle(String sql) {
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
StringBuilder out = new StringBuilder();
OracleOutputVisitor visitor;
if (statementList.size() == 1) {
visitor = new OracleOutputVisitor(out, false);
} else {
visitor = new OracleOutputVisitor(out, true);
}
for (SQLStatement stmt : statementList) {
stmt.accept(visitor);
}
return out.toString();
}
public static String toOracleString(SQLObject sqlObject) {
StringBuilder out = new StringBuilder();
sqlObject.accept(new OracleOutputVisitor(out));
String sql = out.toString();
return sql;
}
public static String toPGString(SQLObject sqlObject) {
StringBuilder out = new StringBuilder();
sqlObject.accept(new PGOutputVisitor(out));
String sql = out.toString();
return sql;
}
public static String formatPGSql(String sql) {
PGSQLStatementParser parser = new PGSQLStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
StringBuilder out = new StringBuilder();
PGOutputVisitor visitor = new PGOutputVisitor(out);
for (SQLStatement stmt : statementList) {
stmt.accept(visitor);
}
return out.toString();
}
}