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Added foreign key existence check for prefetched "hasOne" relationships ... #91

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Added foreign key existence check for prefetched "hasOne" relationships ... #91

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8 changes: 5 additions & 3 deletions lib/persistence.store.sql.js
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Original file line number Diff line number Diff line change
Expand Up @@ -648,8 +648,10 @@ function config(persistence, dialect) {

joinSql += this._additionalJoinSqls.join(' ');

for ( var i = 0; i < this._prefetchFields.length; i++) {
var prefetchField = this._prefetchFields[i];
this._prefetchFields.forEach(function(prefetchField) {
if(!(prefetchField in meta.hasOne)) {
throw(new ReferenceError( "'" + meta.name + "' does not 'hasOne' field called '" + prefetchField + "'."));
}
var thisMeta = meta.hasOne[prefetchField].type.meta;
if (thisMeta.isMixin)
throw new Error("cannot prefetch a mixin");
Expand All @@ -659,7 +661,7 @@ function config(persistence, dialect) {
joinSql += "LEFT JOIN `" + thisMeta.name + "` AS `" + tableAlias
+ "` ON `" + tableAlias + "`.`id` = `" + mainAlias + '`.`' + prefetchField + "` ";

}
});

var whereSql = "WHERE "
+ [ this._filter.sql(meta, mainAlias, args) ].concat(additionalWhereSqls).join(' AND ');
Expand Down