database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-11 10:01:57 +03:00
Code Activity

Added org/postgresql/DriverClass.java to the list of files removed by make clean (it's dynamically built)

Browse Source 
Fixed Statement, so that the update count is valid when an SQL DELETE operation is done.
While fixing the update count, made it easier to get the OID of the last insert as well. Example is in example/basic.java
This commit is contained in:
Peter Mount
2000-06-06 11:06:09 +00:00
parent 0e38f0a1d1
commit e3cc370d15
10 changed files with 102 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/interfaces/jdbc/example/basic.java
View File

@ -6,7 +6,7 @@ import java.text.*;
/**
*
* $Id: basic.java,v 1.4 2000/04/26 05:32:00 peter Exp $
* $Id: basic.java,v 1.5 2000/06/06 11:05:57 peter Exp $
*
* This example tests the basic components of the JDBC driver, and shows
* how even the simplest of queries can be implemented.
@ -83,10 +83,19 @@ public class basic
st.executeUpdate("insert into basic values (2,1)");
st.executeUpdate("insert into basic values (3,1)");
// This shows how to get the oid of a just inserted row
st.executeUpdate("insert into basic values (4,1)");
int insertedOID = ((org.postgresql.ResultSet)st.getResultSet()).getInsertedOID();
System.out.println("Inserted row with oid "+insertedOID);
// Now change the value of b from 1 to 8
st.executeUpdate("update basic set b=8");
System.out.println("Updated "+st.getUpdateCount()+" rows");
// Now delete 2 rows
st.executeUpdate("delete from basic where a<3");
System.out.println("deleted "+st.getUpdateCount()+" rows");
// For large inserts, a PreparedStatement is more efficient, because it
// supports the idea of precompiling the SQL statement, and to store
// directly, a Java object into any column. PostgreSQL doesnt support