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#350 - ENH: Add @History findVersions() query - add default ordering to lower sys period desc

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Robin Bygrave
2015-07-24 16:52:58 +12:00
parent 1ec2f74df9
commit 71798afadd
3 changed files with 36 additions and 20 deletions
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src/main/java/com/avaje/ebeaninternal/server/query/CQueryBuilder.java
+4 -14
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@@ -46,10 +46,6 @@ public class CQueryBuilder implements Constants {
private final boolean selectCountWithAlias;
private final Map<String,String> asOfTableMapping;
private final String asOfSysPeriod;
private final DbHistorySupport dbHistorySupport;
private final CQueryHistorySupport historySupport;
private final DatabasePlatform dbPlatform;
@@ -57,23 +53,17 @@ public class CQueryBuilder implements Constants {
/**
* Create the SqlGenSelect.
*/
public CQueryBuilder(DatabasePlatform dbPlatform, Binder binder, Map<String,String> asOfTableMapping, String asOfSysPeriod) {
public CQueryBuilder(DatabasePlatform dbPlatform, Binder binder, CQueryHistorySupport historySupport) {
this.dbPlatform = dbPlatform;
this.binder = binder;
this.asOfTableMapping = asOfTableMapping;
this.asOfSysPeriod = asOfSysPeriod;
this.historySupport = historySupport;
this.tableAliasPlaceHolder = dbPlatform.getTableAliasPlaceHolder();
this.columnAliasPrefix = dbPlatform.getColumnAliasPrefix();
this.sqlSelectBuilder = new RawSqlSelectClauseBuilder(dbPlatform, binder);
this.dbHistorySupport = dbPlatform.getHistorySupport();
this.historySupport = new CQueryHistorySupport(dbHistorySupport, asOfTableMapping, asOfSysPeriod);
this.sqlLimiter = dbPlatform.getSqlLimiter();
this.rawSqlHandler = new CQueryBuilderRawSql(sqlLimiter, dbPlatform);
this.selectCountWithAlias = dbPlatform.isSelectCountWithAlias();
this.dbPlatform = dbPlatform;
}
/**
@@ -427,7 +417,7 @@ public class CQueryBuilder implements Constants {
if (i > 0) {
sb.append(" and ");
}
sb.append(dbHistorySupport.getAsOfPredicate(asOfTableAlias.get(i), asOfSysPeriod));
sb.append(historySupport.getAsOfPredicate(asOfTableAlias.get(i)));
}
}