Update and delete operations of procedures

This commit is contained in:
suyue
2024-07-30 18:36:27 +08:00
parent cc00466c8e
commit 052a36b73e
15 changed files with 557 additions and 32 deletions

View File

@ -3,7 +3,62 @@ package ai.chat2db.plugin.oceanbase;
import ai.chat2db.plugin.mysql.MysqlDBManage;
import ai.chat2db.spi.DBManage;
import ai.chat2db.spi.jdbc.DefaultDBManage;
import ai.chat2db.spi.model.Procedure;
import ai.chat2db.spi.sql.SQLExecutor;
import java.sql.Connection;
import java.sql.SQLException;
public class OceanBaseDBManage extends MysqlDBManage implements DBManage {
private static String PROCEDURE_SQL = "SELECT COUNT(*) FROM information_schema.routines " +
"WHERE routine_type='PROCEDURE' AND routine_schema='%s' AND routine_name='%s';";
@Override
public void updateProcedure(Connection connection, String databaseName, String schemaName, Procedure procedure) throws SQLException {
try {
connection.setAutoCommit(false);
String procedureBody = procedure.getProcedureBody();
boolean isCreateOrReplace = procedureBody.trim().toUpperCase().startsWith("CREATE OR REPLACE ");
if (procedureBody == null || !procedureBody.trim().toUpperCase().startsWith("CREATE")) {
throw new IllegalArgumentException("No CREATE statement found.");
}
String procedureNewName = getSchemaOrProcedureName(procedureBody, schemaName, procedure);
if (!procedureNewName.equals(procedure.getProcedureName())) {
procedureBody = procedureBody.replace(procedure.getProcedureName(), procedureNewName);
}
String checkProcedureSQL = String.format(PROCEDURE_SQL, schemaName.toUpperCase(), procedure.getProcedureName().toUpperCase());
String finalProcedureBody = procedureBody;
SQLExecutor.getInstance().execute(connection, checkProcedureSQL, resultSet -> {
if (resultSet.next()) {
int count = resultSet.getInt(1);
if (count >= 1) {
if (isCreateOrReplace) {
SQLExecutor.getInstance().execute(connection, finalProcedureBody, resultSet2 -> {});
} else {
throw new SQLException("Procedure with the same name already exists.");
}
}
}
});
SQLExecutor.getInstance().execute(connection, finalProcedureBody, resultSet -> {});
} catch (Exception e) {
connection.rollback();
throw new RuntimeException(e);
} finally {
connection.setAutoCommit(true);
}
}
private static String getSchemaOrProcedureName(String procedureBody, String schemaName, Procedure procedure) {
if (procedureBody.toLowerCase().contains(schemaName.toLowerCase())) {
return procedure.getProcedureName();
} else {
return schemaName + "." + procedure.getProcedureName();
}
}
}