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Code Issues Releases Wiki Activity

improved sql parser, support translate oracle to mysql

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This commit is contained in:
wenshao
2014-11-19 10:23:43 +08:00
parent 0aa403bb4e
commit baad7dc724
10 changed files with 272 additions and 8 deletions
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src/main/java/com/alibaba/druid/sql/SQLUtils.java
+23 -8
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@@ -30,6 +30,7 @@ import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
import com.alibaba.druid.sql.dialect.odps.visitor.OdpsOutputVisitor;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleOutputVisitor;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleToMySqlOutputVisitor;
import com.alibaba.druid.sql.dialect.postgresql.visitor.PGOutputVisitor;
import com.alibaba.druid.sql.dialect.postgresql.visitor.PGSchemaStatVisitor;
import com.alibaba.druid.sql.dialect.sqlserver.visitor.SQLServerOutputVisitor;
@@ -69,7 +70,7 @@ public class SQLUtils {
if (JdbcUtils.DB2.equals(dbType)) {
return toDB2String(sqlObject);
}
if (JdbcUtils.ODPS.equals(dbType)) {
return toDB2String(sqlObject);
}
@@ -92,11 +93,11 @@ public class SQLUtils {
String sql = out.toString();
return sql;
}
public static String toMySqlString(SQLObject sqlObject) {
StringBuilder out = new StringBuilder();
sqlObject.accept(new MySqlOutputVisitor(out));
String sql = out.toString();
return sql;
}
@@ -112,7 +113,7 @@ public class SQLUtils {
public static String formatOracle(String sql) {
return format(sql, JdbcUtils.ORACLE);
}
public static String formatOdps(String sql) {
return format(sql, JdbcUtils.ODPS);
}
@@ -120,7 +121,7 @@ public class SQLUtils {
public static String formatSQLServer(String sql) {
return format(sql, JdbcUtils.SQL_SERVER);
}
public static String toOracleString(SQLObject sqlObject) {
StringBuilder out = new StringBuilder();
sqlObject.accept(new OracleOutputVisitor(out, false));
@@ -202,9 +203,9 @@ public class SQLUtils {
if (parameters != null) {
visitor.setParameters(parameters);
}
for(int i =0; i<statementList.size(); i++) {
if(i>0) {
for (int i = 0; i < statementList.size(); i++) {
if (i > 0) {
out.append(";\n");
}
statementList.get(i).accept(visitor);
@@ -332,4 +333,18 @@ public class SQLUtils {
}
return groupList;
}
public static String translateOracleToMySql(String sql) {
List<SQLStatement> stmtList = toStatementList(sql, JdbcConstants.ORACLE);
StringBuilder out = new StringBuilder();
OracleToMySqlOutputVisitor visitor = new OracleToMySqlOutputVisitor(out, false);
for (int i = 0; i < stmtList.size(); ++i) {
stmtList.get(i).accept(visitor);
}
String mysqlSql = out.toString();
return mysqlSql;
}
}