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Code Issues Releases Wiki Activity

PageUtils support SQL Server

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This commit is contained in:
wenshao
2013-07-27 20:54:03 +08:00
parent 58174442a4
commit c65c28e9b2
4 changed files with 76 additions and 10 deletions
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src/main/java/com/alibaba/druid/sql/PagerUtils.java
+11 -10
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@@ -192,10 +192,8 @@ public class PagerUtils {
SQLAggregateExpr aggregateExpr = new SQLAggregateExpr("ROW_NUMBER");
SQLOrderBy orderBy = select.getOrderBy();
if (orderBy != null) {
aggregateExpr.setOver(new SQLOver(orderBy));
select.setOrderBy(null);
}
aggregateExpr.setOver(new SQLOver(orderBy));
select.setOrderBy(null);
queryBlock.getSelectList().add(new SQLSelectItem(aggregateExpr, "ROWNUM"));
@@ -208,21 +206,24 @@ public class PagerUtils {
return SQLUtils.toSQLString(countQueryBlock, dbType);
}
SQLServerSelectQueryBlock countQueryBlock = new SQLServerSelectQueryBlock();
countQueryBlock.getSelectList().add(new SQLSelectItem(new SQLPropertyExpr(new SQLIdentifierExpr("XX"), "*")));
countQueryBlock.setFrom(new SQLSubqueryTableSource(select, "XX"));
if (offset <= 0) {
countQueryBlock.setTop(new SQLServerTop(new SQLNumberExpr(count)));
return SQLUtils.toSQLString(countQueryBlock, dbType);
}
SQLAggregateExpr aggregateExpr = new SQLAggregateExpr("ROW_NUMBER");
SQLOrderBy orderBy = select.getOrderBy();
aggregateExpr.setOver(new SQLOver(orderBy));
select.setOrderBy(null);
countQueryBlock.getSelectList().add(new SQLSelectItem(aggregateExpr, "ROWNUM"));
countQueryBlock.setFrom(new SQLSubqueryTableSource(select, "XX"));
if (offset <= 0) {
return SQLUtils.toSQLString(countQueryBlock, dbType);
}
SQLServerSelectQueryBlock offsetQueryBlock = new SQLServerSelectQueryBlock();
offsetQueryBlock.getSelectList().add(new SQLSelectItem(new SQLAllColumnExpr()));
offsetQueryBlock.setFrom(new SQLSubqueryTableSource(new SQLSelect(countQueryBlock), "XXX"));