Movatterモバイル変換

[0]ホーム
URL:

Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

 Sign up
Appearance settings

Commit839b9bc

Browse files
author
Barry Lind
committed
This patch fixes a bug introduced in the jdbc bytea support patch.
That patch broke the ability to read data from binary cursors.--Barry Lind Modified Files: pgsql/src/interfaces/jdbc/org/postgresql/Connection.java pgsql/src/interfaces/jdbc/org/postgresql/ResultSet.java pgsql/src/interfaces/jdbc/org/postgresql/core/QueryExecutor.java pgsql/src/interfaces/jdbc/org/postgresql/jdbc1/Connection.java pgsql/src/interfaces/jdbc/org/postgresql/jdbc1/ResultSet.java pgsql/src/interfaces/jdbc/org/postgresql/jdbc2/Connection.java pgsql/src/interfaces/jdbc/org/postgresql/jdbc2/ResultSet.java pgsql/src/interfaces/jdbc/org/postgresql/jdbc2/UpdateableResultSet.java
1 parentffb8f73 commit839b9bc

File tree

8 files changed

+480
-471
lines changed

8 files changed

+480
-471
lines changed

‎src/interfaces/jdbc/org/postgresql/Connection.java

Lines changed: 305 additions & 305 deletions
Large diffs are not rendered by default.

‎src/interfaces/jdbc/org/postgresql/ResultSet.java

Lines changed: 8 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -18,6 +18,7 @@ public abstract class ResultSet
1818
protectedVectorrows;// The results
1919
protectedFieldfields[];// The field descriptions
2020
protectedStringstatus;// Status of the result
21+
protectedbooleanbinaryCursor =false;// is the data binary or Strings
2122
protectedintupdateCount;// How many rows did we get back?
2223
protectedintinsertOID;// The oid of an inserted row
2324
protectedintcurrent_row;// Our pointer to where we are at
@@ -41,7 +42,7 @@ public abstract class ResultSet
4142
* @param updateCount the number of rows affected by the operation
4243
* @param cursor the positioned update/delete cursor name
4344
*/
44-
publicResultSet(Connectionconn,Field[]fields,Vectortuples,Stringstatus,intupdateCount,intinsertOID)
45+
publicResultSet(Connectionconn,Field[]fields,Vectortuples,Stringstatus,intupdateCount,intinsertOID,booleanbinaryCursor)
4546
{
4647
this.connection =conn;
4748
this.fields =fields;
@@ -51,6 +52,7 @@ public ResultSet(Connection conn, Field[] fields, Vector tuples, String status,
5152
this.insertOID =insertOID;
5253
this.this_row =null;
5354
this.current_row = -1;
55+
this.binaryCursor =binaryCursor;
5456
}
5557

5658

@@ -65,10 +67,10 @@ public ResultSet(Connection conn, Field[] fields, Vector tuples, String status,
6567
* @param updateCount the number of rows affected by the operation
6668
* @param cursor the positioned update/delete cursor name
6769
*/
68-
publicResultSet(Connectionconn,Field[]fields,Vectortuples,Stringstatus,intupdateCount)
69-
{
70-
this(conn,fields,tuples,status,updateCount,0);
71-
}
70+
publicResultSet(Connectionconn,Field[]fields,Vectortuples,Stringstatus,intupdateCount)
71+
{
72+
this(conn,fields,tuples,status,updateCount,0,false);
73+
}
7274

7375
/**
7476
* We at times need to know if the resultSet we are working
@@ -172,7 +174,7 @@ public int getColumnOID(int field)
172174
*/
173175
publicintgetInsertedOID()
174176
{
175-
returninsertOID;
177+
returninsertOID;
176178
}
177179

178180
/**

‎src/interfaces/jdbc/org/postgresql/core/QueryExecutor.java

Lines changed: 119 additions & 118 deletions
Original file line numberDiff line numberDiff line change
@@ -13,7 +13,7 @@
1313
* <p>The lifetime of a QueryExecutor object is from sending the query
1414
* until the response has been received from the backend.
1515
*
16-
* $Id: QueryExecutor.java,v 1.1 2001/09/06 03:58:59 momjian Exp $
16+
* $Id: QueryExecutor.java,v 1.2 2001/10/09 20:47:35 barry Exp $
1717
*/
1818

1919
publicclassQueryExecutor {
@@ -24,24 +24,25 @@ public class QueryExecutor {
2424
privatefinalorg.postgresql.Connectionconnection;
2525

2626
publicQueryExecutor(Stringsql,
27-
java.sql.Statementstatement,
28-
PG_Streampg_stream,
29-
org.postgresql.Connectionconnection)
30-
throwsSQLException
27+
java.sql.Statementstatement,
28+
PG_Streampg_stream,
29+
org.postgresql.Connectionconnection)
30+
throwsSQLException
3131
{
32-
this.sql =sql;
33-
this.statement =statement;
34-
this.pg_stream =pg_stream;
35-
this.connection =connection;
36-
37-
if (statement !=null)
38-
maxRows =statement.getMaxRows();
39-
else
40-
maxRows =0;
32+
this.sql =sql;
33+
this.statement =statement;
34+
this.pg_stream =pg_stream;
35+
this.connection =connection;
36+
37+
if (statement !=null)
38+
maxRows =statement.getMaxRows();
39+
else
40+
maxRows =0;
4141
}
4242

4343
privateField[]fields =null;
4444
privateVectortuples =newVector();
45+
privatebooleanbinaryCursor =false;
4546
privateStringstatus =null;
4647
privateintupdate_count =1;
4748
privateintinsert_oid =0;
@@ -52,84 +53,83 @@ public QueryExecutor(String sql,
5253
*/
5354
publicjava.sql.ResultSetexecute()throwsSQLException {
5455

55-
intfqp =0;
56-
booleanhfr =false;
57-
58-
synchronized(pg_stream) {
59-
60-
sendQuery(sql);
61-
62-
while (!hfr ||fqp >0) {
63-
intc =pg_stream.ReceiveChar();
64-
65-
switch (c)
66-
{
67-
case'A':// Asynchronous Notify
68-
intpid =pg_stream.ReceiveInteger(4);
69-
Stringmsg =pg_stream.ReceiveString(connection.getEncoding());
70-
break;
71-
case'B':// Binary Data Transfer
72-
receiveTuple(true);
73-
break;
74-
case'C':// Command Status
75-
receiveCommandStatus();
76-
77-
if (fields !=null)
78-
hfr =true;
79-
else {
80-
sendQuery(" ");
81-
fqp++;
82-
}
83-
break;
84-
case'D':// Text Data Transfer
85-
receiveTuple(false);
86-
break;
87-
case'E':// Error Message
88-
thrownewSQLException(pg_stream.ReceiveString(connection.getEncoding()));
89-
case'I':// Empty Query
90-
intt =pg_stream.ReceiveChar();
91-
if (t !=0)
92-
thrownewPSQLException("postgresql.con.garbled");
93-
94-
if (fqp >0)
95-
fqp--;
96-
if (fqp ==0)
97-
hfr =true;
98-
break;
99-
case'N':// Error Notification
100-
connection.addWarning(pg_stream.ReceiveString(connection.getEncoding()));
101-
break;
102-
case'P':// Portal Name
103-
Stringpname =pg_stream.ReceiveString(connection.getEncoding());
104-
break;
105-
case'T':// MetaData Field Description
106-
receiveFields();
107-
break;
108-
case'Z':// backend ready for query, ignore for now :-)
109-
break;
110-
default:
111-
thrownewPSQLException("postgresql.con.type",
112-
newCharacter((char)c));
113-
}
114-
}
115-
116-
returnconnection.getResultSet(connection,statement,fields,tuples,status,update_count,insert_oid);
117-
}
56+
intfqp =0;
57+
booleanhfr =false;
58+
59+
synchronized(pg_stream) {
60+
61+
sendQuery(sql);
62+
63+
while (!hfr ||fqp >0) {
64+
intc =pg_stream.ReceiveChar();
65+
66+
switch (c)
67+
{
68+
case'A':// Asynchronous Notify
69+
intpid =pg_stream.ReceiveInteger(4);
70+
Stringmsg =pg_stream.ReceiveString(connection.getEncoding());
71+
break;
72+
case'B':// Binary Data Transfer
73+
receiveTuple(true);
74+
break;
75+
case'C':// Command Status
76+
receiveCommandStatus();
77+
78+
if (fields !=null)
79+
hfr =true;
80+
else {
81+
sendQuery(" ");
82+
fqp++;
83+
}
84+
break;
85+
case'D':// Text Data Transfer
86+
receiveTuple(false);
87+
break;
88+
case'E':// Error Message
89+
thrownewSQLException(pg_stream.ReceiveString(connection.getEncoding()));
90+
case'I':// Empty Query
91+
intt =pg_stream.ReceiveChar();
92+
if (t !=0)
93+
thrownewPSQLException("postgresql.con.garbled");
94+
95+
if (fqp >0)
96+
fqp--;
97+
if (fqp ==0)
98+
hfr =true;
99+
break;
100+
case'N':// Error Notification
101+
connection.addWarning(pg_stream.ReceiveString(connection.getEncoding()));
102+
break;
103+
case'P':// Portal Name
104+
Stringpname =pg_stream.ReceiveString(connection.getEncoding());
105+
break;
106+
case'T':// MetaData Field Description
107+
receiveFields();
108+
break;
109+
case'Z':// backend ready for query, ignore for now :-)
110+
break;
111+
default:
112+
thrownewPSQLException("postgresql.con.type",
113+
newCharacter((char)c));
114+
}
115+
}
116+
returnconnection.getResultSet(connection,statement,fields,tuples,status,update_count,insert_oid,binaryCursor);
117+
}
118118
}
119119

120120
/**
121121
* Send a query to the backend.
122122
*/
123123
privatevoidsendQuery(Stringquery)throwsSQLException {
124-
try {
125-
pg_stream.SendChar('Q');
126-
pg_stream.Send(connection.getEncoding().encode(query));
127-
pg_stream.SendChar(0);
128-
pg_stream.flush();
129-
130-
}catch (IOExceptione) {
131-
thrownewPSQLException("postgresql.con.ioerror",e);
132-
}
124+
try {
125+
pg_stream.SendChar('Q');
126+
pg_stream.Send(connection.getEncoding().encode(query));
127+
pg_stream.SendChar(0);
128+
pg_stream.flush();
129+
130+
}catch (IOExceptione) {
131+
thrownewPSQLException("postgresql.con.ioerror",e);
132+
}
133133
}
134134

135135
/**
@@ -138,50 +138,51 @@ private void sendQuery(String query) throws SQLException {
138138
* @param isBinary set if the tuple should be treated as binary data
139139
*/
140140
privatevoidreceiveTuple(booleanisBinary)throwsSQLException {
141-
if (fields ==null)
142-
thrownewPSQLException("postgresql.con.tuple");
143-
Objecttuple =pg_stream.ReceiveTuple(fields.length,isBinary);
144-
if (maxRows ==0 ||tuples.size() <maxRows)
145-
tuples.addElement(tuple);
141+
if (fields ==null)
142+
thrownewPSQLException("postgresql.con.tuple");
143+
Objecttuple =pg_stream.ReceiveTuple(fields.length,isBinary);
144+
if (isBinary)binaryCursor =true;
145+
if (maxRows ==0 ||tuples.size() <maxRows)
146+
tuples.addElement(tuple);
146147
}
147148

148149
/**
149150
* Receive command status from the backend.
150151
*/
151152
privatevoidreceiveCommandStatus()throwsSQLException {
152153

153-
status =pg_stream.ReceiveString(connection.getEncoding());
154-
155-
try {
156-
// Now handle the update count correctly.
157-
if (status.startsWith("INSERT") ||status.startsWith("UPDATE") ||status.startsWith("DELETE") ||status.startsWith("MOVE")) {
158-
update_count =Integer.parseInt(status.substring(1 +status.lastIndexOf(' ')));
159-
}
160-
if (status.startsWith("INSERT")) {
161-
insert_oid =Integer.parseInt(status.substring(1 +status.indexOf(' '),
162-
status.lastIndexOf(' ')));
163-
}
164-
}catch (NumberFormatExceptionnfe) {
165-
thrownewPSQLException("postgresql.con.fathom",status);
166-
}
154+
status =pg_stream.ReceiveString(connection.getEncoding());
155+
156+
try {
157+
// Now handle the update count correctly.
158+
if (status.startsWith("INSERT") ||status.startsWith("UPDATE") ||status.startsWith("DELETE") ||status.startsWith("MOVE")) {
159+
update_count =Integer.parseInt(status.substring(1 +status.lastIndexOf(' ')));
160+
}
161+
if (status.startsWith("INSERT")) {
162+
insert_oid =Integer.parseInt(status.substring(1 +status.indexOf(' '),
163+
status.lastIndexOf(' ')));
164+
}
165+
}catch (NumberFormatExceptionnfe) {
166+
thrownewPSQLException("postgresql.con.fathom",status);
167+
}
167168
}
168169

169170
/**
170171
* Receive the field descriptions from the back end.
171172
*/
172173
privatevoidreceiveFields()throwsSQLException {
173-
if (fields !=null)
174-
thrownewPSQLException("postgresql.con.multres");
175-
176-
intsize =pg_stream.ReceiveIntegerR(2);
177-
fields =newField[size];
178-
179-
for (inti =0;i <fields.length;i++) {
180-
StringtypeName =pg_stream.ReceiveString(connection.getEncoding());
181-
inttypeOid =pg_stream.ReceiveIntegerR(4);
182-
inttypeLength =pg_stream.ReceiveIntegerR(2);
183-
inttypeModifier =pg_stream.ReceiveIntegerR(4);
184-
fields[i] =newField(connection,typeName,typeOid,typeLength,typeModifier);
185-
}
174+
if (fields !=null)
175+
thrownewPSQLException("postgresql.con.multres");
176+
177+
intsize =pg_stream.ReceiveIntegerR(2);
178+
fields =newField[size];
179+
180+
for (inti =0;i <fields.length;i++) {
181+
StringtypeName =pg_stream.ReceiveString(connection.getEncoding());
182+
inttypeOid =pg_stream.ReceiveIntegerR(4);
183+
inttypeLength =pg_stream.ReceiveIntegerR(2);
184+
inttypeModifier =pg_stream.ReceiveIntegerR(4);
185+
fields[i] =newField(connection,typeName,typeOid,typeLength,typeModifier);
186+
}
186187
}
187188
}

‎src/interfaces/jdbc/org/postgresql/jdbc1/Connection.java

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -17,7 +17,7 @@
1717
importorg.postgresql.util.*;
1818

1919
/**
20-
* $Id: Connection.java,v 1.10 2001/09/10 15:07:05 momjian Exp $
20+
* $Id: Connection.java,v 1.11 2001/10/09 20:47:35 barry Exp $
2121
*
2222
* A Connection represents a session with a specific database. Within the
2323
* context of a Connection, SQL statements are executed and results are
@@ -131,10 +131,10 @@ public java.sql.DatabaseMetaData getMetaData() throws SQLException
131131
* This overides the method in org.postgresql.Connection and returns a
132132
* ResultSet.
133133
*/
134-
publicjava.sql.ResultSetgetResultSet(org.postgresql.Connectionconn,java.sql.Statementstat,Field[]fields,Vectortuples,Stringstatus,intupdateCount,intinsertOID)throwsSQLException
134+
publicjava.sql.ResultSetgetResultSet(org.postgresql.Connectionconn,java.sql.Statementstat,Field[]fields,Vectortuples,Stringstatus,intupdateCount,intinsertOID,booleanbinaryCursor)throwsSQLException
135135
{
136136
// in jdbc1 stat is ignored.
137-
returnneworg.postgresql.jdbc1.ResultSet((org.postgresql.jdbc1.Connection)conn,fields,tuples,status,updateCount,insertOID);
137+
returnneworg.postgresql.jdbc1.ResultSet((org.postgresql.jdbc1.Connection)conn,fields,tuples,status,updateCount,insertOID,binaryCursor);
138138
}
139139

140140

‎src/interfaces/jdbc/org/postgresql/jdbc1/ResultSet.java

Lines changed: 9 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -70,9 +70,9 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
7070
* @param updateCount the number of rows affected by the operation
7171
* @param cursor the positioned update/delete cursor name
7272
*/
73-
publicResultSet(Connectionconn,Field[]fields,Vectortuples,Stringstatus,intupdateCount,intinsertOID)
73+
publicResultSet(Connectionconn,Field[]fields,Vectortuples,Stringstatus,intupdateCount,intinsertOID,booleanbinaryCursor)
7474
{
75-
super(conn,fields,tuples,status,updateCount,insertOID);
75+
super(conn,fields,tuples,status,updateCount,insertOID,binaryCursor);
7676
}
7777

7878
/**
@@ -86,10 +86,10 @@ public ResultSet(Connection conn, Field[] fields, Vector tuples, String status,
8686
* @param updateCount the number of rows affected by the operation
8787
* @param cursor the positioned update/delete cursor name
8888
*/
89-
publicResultSet(Connectionconn,Field[]fields,Vectortuples,Stringstatus,intupdateCount)
90-
{
91-
super(conn,fields,tuples,status,updateCount,0);
92-
}
89+
publicResultSet(Connectionconn,Field[]fields,Vectortuples,Stringstatus,intupdateCount)
90+
{
91+
super(conn,fields,tuples,status,updateCount,0,false);
92+
}
9393

9494
/**
9595
* A ResultSet is initially positioned before its first row,
@@ -375,6 +375,9 @@ public byte[] getBytes(int columnIndex) throws SQLException
375375
if (columnIndex <1 ||columnIndex >fields.length)
376376
thrownewPSQLException("postgresql.res.colrange");
377377

378+
//If the data is already binary then just return it
379+
if (binaryCursor)returnthis_row[columnIndex -1];
380+
378381
if (connection.haveMinimumCompatibleVersion("7.2")) {
379382
//Version 7.2 supports the bytea datatype for byte arrays
380383
returnPGbytea.toBytes(getString(columnIndex));

0 commit comments

Comments
 (0)
[8]ページ先頭
©2009-2025 Movatter.jp