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Code Issues Releases Wiki Activity

改进PreparedStatementCache

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git-svn-id: http://code.alibabatech.com/svn/druid/trunk@916 b9813039-fb51-4c41-a8b9-e21c2acb5095
This commit is contained in:
wenshao
2011-09-29 00:49:34 +00:00
parent 38fcc483f6
commit 0aafc4ab96
10 changed files with 170 additions and 114 deletions
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src/main/java/com/alibaba/druid/pool/PoolablePreparedStatement.java
+30 -23
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@@ -43,27 +43,26 @@ import com.alibaba.druid.pool.PreparedStatementPool.MethodType;
*/
public class PoolablePreparedStatement extends PoolableStatement implements PreparedStatement {
private PreparedStatement stmt;
private final PreparedStatementKey key;
private final String sql;
private final PreparedStatementHolder holder;
private final PreparedStatement stmt;
private final String sql;
private int defaultMaxFieldSize;
private int defaultMaxRows;
private int defaultQueryTimeout;
private int defaultFetchDirection;
private int defaultFetchSize;
private int currentMaxFieldSize;
private int currentMaxRows;
private int currentQueryTimeout;
private int currentFetchDirection;
private int currentFetchSize;
private int defaultMaxFieldSize;
private int defaultMaxRows;
private int defaultQueryTimeout;
private int defaultFetchDirection;
private int defaultFetchSize;
private int currentMaxFieldSize;
private int currentMaxRows;
private int currentQueryTimeout;
private int currentFetchDirection;
private int currentFetchSize;
public PoolablePreparedStatement(PoolableConnection conn, PreparedStatement stmt, PreparedStatementKey key,
String sql) throws SQLException{
super(conn, stmt);
this.stmt = stmt;
this.key = key;
this.sql = sql;
public PoolablePreparedStatement(PoolableConnection conn, PreparedStatementHolder holder) throws SQLException{
super(conn, holder.getStatement());
this.stmt = holder.getStatement();
this.holder = holder;
this.sql = holder.getKey().sql;
// Remember the defaults
defaultMaxFieldSize = stmt.getMaxFieldSize();
@@ -77,7 +76,11 @@ public class PoolablePreparedStatement extends PoolableStatement implements Prep
currentFetchDirection = defaultFetchDirection;
currentFetchSize = defaultFetchSize;
}
public PreparedStatementHolder getPreparedStatementHolder() {
return holder;
}
public void setFetchSize(int rows) throws SQLException {
currentFetchSize = rows;
super.setFetchSize(rows);
@@ -108,7 +111,7 @@ public class PoolablePreparedStatement extends PoolableStatement implements Prep
}
public PreparedStatementKey getKey() {
return key;
return holder.getKey();
}
public PreparedStatement getRawPreparedStatement() {
@@ -783,8 +786,8 @@ public class PoolablePreparedStatement extends PoolableStatement implements Prep
public static class PreparedStatementKey {
protected final String sql;
protected final String catalog;
private final String sql;
private final String catalog;
protected final MethodType methodType;
@@ -822,6 +825,10 @@ public class PoolablePreparedStatement extends PoolableStatement implements Prep
return true;
}
public String getSql() {
return sql;
}
public int hashCode() {
int catalogHashCode = catalog == null ? 0 : catalog.hashCode();
int sqlHashCode = sql.hashCode();