NodeJS,Oracle DB 参数的部分绑定给出:ORA-01036

NodeJS ,Partial binding of Oracle DB parameters gives : ORA-01036

我正在处理一项 insert/update 的任务 table。

当我在 insert/update 语句中使用 table 的完整列时,它对我有用 但是每当我只更新所需的列而忽略其余未触及的列时,我都会遇到 ORA-01036

我正在调用传递查询和参数的通用 Lambda 函数 成功场景:

{ "stage": "dev", "params": { "id": 5956049, "groupName": "testtoberemoved123", "externalName": "Axiom_420K_Wheattest547", "description": "desc 123", "createdOn": "2018-08-27T22:00:00.000Z", "createdBy": "EOM", "updatedOn": "2018-08-28T16:16:41.207Z", "updatedBy": "EOM", "status": 1, "vendorID": null, "technologyCode": null }, "query": "update assay_group set NAME=:groupName , EXTERNAL_NAME=:externalName, DESCRIPTION=:description ,CREATED_DATE=to_timestamp_tz( :createdOn, 'yyyy-mm-dd"T"hh24:mi:ss:ff3 TZH:TZM'),CREATED_USER=:createdBy ,LAST_UPDATED_DATE=to_timestamp_tz( :updatedOn, 'yyyy-mm-dd"T"hh24:mi:ss:ff3 TZH:TZM'),LAST_UPDATED_USER=:updatedBy ,GROUP_STATUS=:status,VENDOR_ID=:vendorID,TECHNOLOGY_CODE=:technologyCode where ID=:id", "enableObjectFormat": true, "options": { "autoCommit": true } }

这个运行成功,但是当从语句中删除一些列时它会失败,如下所示:

{ "stage": "dev", "params": { "id": 5956049, "groupName": "testtoberemoved123", "externalName": "Axiom_420K_Wheattest547", "description": "desc 123", "createdOn": "2018-08-27T22:00:00.000Z", "createdBy": "EOM", "updatedOn": "2018-08-28T16:09:36.215Z", "updatedBy": "EOM", "status": 3, "vendorID": null, "technologyCode": null }, "query": "update assay_group set NAME=:groupName where ID=:id", "enableObjectFormat": true, "options": { "autoCommit": true } }

这会导致以下错误: {"errorMessage":"Error while executing query - ORA-01036: illegal variable name/number\n",

通用执行器如下

`

'use strict';

var oracledb =  require("oracledb-for-lambda");
var dbConfig = require('./resources/dbConfig-dev.js');

module.exports.executeQuery= (event, context, callback) => {

  var maxSize = parseInt(process.env.maxRows, 10);

  // Extract enableJSONParse option
  var enableJSONParse = false;
  if(event.enableJSONParse != null && event.enableJSONParse != undefined) {
    enableJSONParse = event.enableJSONParse;
    console.log("enableJSONParse provided in event");
  }
  console.log("Enable JSON Parse: " + enableJSONParse);

  // Extract options 
  var options = {};
  if(event.options != null && event.options != undefined) {
    options = event.options;
    console.log("options provided in event");
  }
  // Add maxSize to options
  options.maxRows = maxSize;
  console.log("Options: " + JSON.stringify(options));

  // Set oracledb output format to object
  var enableObjectFormat = event.enableObjectFormat;
  console.log("Enable Object Format: " + enableObjectFormat);
  if(enableObjectFormat) {
    console.log("Object Format Enabled");
    oracledb.outFormat = oracledb.OBJECT;
  } else {
    oracledb.outFormat = oracledb.ARRAY;
  }
  console.log("oracledb.outFormat: " + oracledb.outFormat);

  var currentStage = event.stage;
  console.log("Current Stage: " + currentStage);

  if (currentStage != null && currentStage != 'undefined') {
      var configFileName = './resources/dbConfig-' + currentStage + '.js'  
    try{
      dbConfig = require(configFileName);
    } catch (error) {
      callback(new InternalServerError("No dbConfig found - " + error.message));
      return;
    }
  }
  console.log("Using dbConfig: " + JSON.stringify(dbConfig));

  var response = "";
  var parameters = event.params;
  var query =   event.query;

  if(query == null || query == undefined || query == "") { // Empty Query - throw error
    console.log("Missing required field - query")
    callback(new MissingRequiredFieldError("Missing Required Field - query"));
    return;
  }

  if(parameters == null || parameters == undefined) { // parameters not provided in event - set to empty list
    console.log("No parameters defined");
    parameters = [];
  }
  console.log("Query: " + query);
  console.log("Query Parameters: " + parameters);

    oracledb.getConnection(
  {
    user          : dbConfig.user,
    password      : dbConfig.password,
    connectString  :dbConfig.connectString
  },
  function(err, connection) {
    if (err) {
      console.error("Connection Error: " + err.message);
      callback(new InternalServerError("Error while connecting to database - "+ err.message));
      return;
    }
     // return all CLOBs as Strings
    oracledb.fetchAsString = [ oracledb.CLOB ];

    connection.execute(
      // The statement to execute
      query, 
      parameters,     // Query Param
      options, // Options
      // The callback function handles the SQL execution results
      function(err, result) {
        if (err) {
          console.error("Execution Error Messages = " + err.message);
          doRelease(connection);
          callback(new InternalServerError("Error while executing query - "+ err.message));
          return;          
        }
        console.log("Query " + query + " Executed Successfully");

        var resultSet;
        // In case query is SELECT
        if(result.rows != null && result.rows != undefined) {
          console.log("Returned rows: " + result.rows.length);
          console.log("Result.metaData: " + JSON.stringify(result.metaData)); 
          console.log("Result.rows: " + JSON.stringify(result.rows));           
          resultSet = result.rows;    
          try {        
            if(result.rows.length != undefined && result.rows.length == 0) {
              resultSet = [];
            } else if(enableJSONParse) {
              if(result.rows[0][0].type == oracledb.CLOB) {
                console.log("rows.type  is CLOB");
                resultSet = JSON.parse(result.rows[0][0]);
              }
              resultSet = JSON.parse(result.rows);
            }          

          } catch(error) {
            callback(new InternalServerError("Error while parsing result of query: "+error.message));
            return;
          }
        } else { // In case query is INSERT/UPDATE/DELETE        
          console.log("Result.rowsAffected: " + result.rowsAffected);
          if(result.rowsAffected > 0) {
            resultSet = 'Executed Succesfully - Rows Affected: '+ result.rowsAffected;
          } else {
            resultSet = 'No rows affected';
          }
        }
        doRelease(connection);
        callback(null, resultSet);                        
      });
  });

    // Note: connections should always be released when not needed
    function doRelease(connection) {
      connection.close(
        function(err) {
          if (err) {
              console.error(err.message);
              callback(new InternalServerError(err.message));
        return;
          }
        });
  }
};

`

问题是您要求 Oracle 为不存在的绑定参数设置值。

让我们考虑一下您的陈述 update assay_group set NAME=:groupName where ID=:id。 Oracle 将对此进行解析,然后 运行 通过您的绑定参数。它会很好地设置 groupNameid 的值,然后它会到达名为 externalName 的参数。但是,您的语句中没有绑定参数 :externalName

Oracle 应该如何处理您赋予这个不存在的参数的值?您似乎希望 Oracle 忽略它。但是,忽略它不是一种选择:例如,如果有人输入错误的参数名称,我认为这应该立即产生错误,而不是等到所有其他参数都已设置,然后抱怨其中一个丢失。

您必须将正在执行的查询或语句使用的参数传递给您的 executeQuery 函数,而不是其他参数。