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[#4634] Significant CPU overhead in CursorImpl#fetchOne() due to frequent HashMap access

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This commit is contained in:
lukaseder 2015-10-16 14:51:04 +02:00
parent 0a63655957
commit 5193db12b1
1 changed files with 3 additions and 1 deletions
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jOOQ/src/main/java/org/jooq/impl/CursorImpl.java
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@ -114,6 +114,7 @@ class CursorImpl<R extends Record> implements Cursor<R> {
private transient DefaultBindingGetResultSetContext<?> rsContext;
private transient Iterator<R> iterator;
private transient int rows;
private transient boolean lockRowsForUpdate;
@SuppressWarnings("unchecked")
@ -132,6 +133,7 @@ class CursorImpl<R extends Record> implements Cursor<R> {
this.rsContext = new DefaultBindingGetResultSetContext<Object>(ctx.configuration(), ctx.data(), rs, 0);
this.intern = new boolean[fields.length];
this.maxRows = maxRows;
this.lockRowsForUpdate = TRUE.equals(ctx.data(DATA_LOCK_ROWS_FOR_UPDATE));
if (internIndexes != null) {
for (int i : internIndexes) {
@ -1480,7 +1482,7 @@ class CursorImpl<R extends Record> implements Cursor<R> {
// [#1296] Force a row-lock by updating the row if the
// FOR UPDATE clause is emulated
if (TRUE.equals(ctx.data(DATA_LOCK_ROWS_FOR_UPDATE))) {
if (lockRowsForUpdate) {
rs.updateObject(1, rs.getObject(1));
rs.updateRow();
}