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POhow to do save or update in Grails?
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  1. POhow to do save or update in Grails?
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    copied!<p>If the record doesnt exist, it should insert. And if the record exists, Grails should do an update.</p> <pre><code>new MyEntity(attr1:'val1', attr2:'val2').saveOrUpdate()???? </code></pre> <p><strong>EDIT</strong> I have modified my code as per your suggestions:</p> <pre><code>List&lt;NutDto&gt; res = np.parseNutData(file.inputStream); for(NutDto cellValue : res){ def nutInstance = NutData.get(cellValue.getIdd()) System.out.println("nutInstance = " + nutInstance); if(nutInstance){ System.out.println("Exists : " + nutInstance); nutInstance.foo=cellValue.getFoo() nutInstance.bar=cellValue.getBar() } else{ System.out.println("Not Exists") nutInstance = new NutData(idd:cellValue.getIdd(), foo:cellValue.getFoo(), bar:cellValue.getBar()) } def saveres = nutInstance.save(failOnError: true); println("saveres = " + saveres); nutInstance.errors.each { println it } } </code></pre> <p>Still its not updating. Its throwing errors.</p> <pre><code>Field error in object 'sps.NutData' on field 'idd': rejected value [123456-1234]; codes [sps.NutData.idd.unique.error.sps.NutData.idd,sps.NutData.idd.unique.error.idd,sps.NutData.idd.unique.error.java.lang.String,sps.NutData.idd.unique.error,nutData.idd.unique.error.sps.NutData.idd,nutData.idd.unique.error.idd,nutData.idd.unique.error.java.lang.String,nutData.idd.unique.error,sps.NutData.idd.unique.sps.NutData.idd,sps.NutData.idd.unique.idd,sps.NutData.idd.unique.java.lang.String,sps.NutData.idd.unique,nutData.idd.unique.sps.NutData.idd,nutData.idd.unique.idd,nutData.idd.unique.java.lang.String,nutData.idd.unique,unique.sps.NutData.idd,unique.idd,unique.java.lang.String,unique]; arguments [idd,class sps.NutData,123456-1234]; default message [Property [{0}] of class [{1}] with value [{2}] must be unique] </code></pre> <p>The values are not getting updated.</p> <p><strong>EDIT 2</strong></p> <pre><code>package sps class NutData { String idd String foo String bar static constraints = { idd(blank:false, unique:true) } static mapping = { table 'M_NUT_DATA' version false id generator: 'assigned', name: "idd", type: 'string' foo column:'FOO_COL' bar column:'BAR_COL' } String toString(){ return idd + '_' + foo } } </code></pre>
 

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