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FR [ 1884435 ] Add more DB.getSQLValue helper methods

This commit is contained in:
teo_sarca 2008-02-01 17:05:56 +00:00
parent 071d9768d8
commit bd8324ebb9
1 changed files with 149 additions and 5 deletions
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154
base/src/org/compiere/util/DB.java
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@ -36,10 +36,6 @@ import org.compiere.process.*;
/**
* General Database Interface
* <p>
* <ul>
* <li>2007-01-30 - teo_sarca - [ 1647864 ] WAN: delete record error
* </ul>
*
* @author Jorg Janke
* @version $Id: DB.java,v 1.8 2006/10/09 00:22:29 jjanke Exp $
@ -48,6 +44,10 @@ import org.compiere.process.*;
* get a new connection from database pool manager which manages all connections
* set rw/ro properties for the connection accordingly.
* @author Ashley Ramdass (Posterita)
*
* @author Teo Sarca, SC ARHIPAC SERVICE SRL
* <li>BF [ 1647864 ] WAN: delete record error
* <li>FR [ 1884435 ] Add more DB.getSQLValue helper methods
*/
public final class DB
{
@ -1176,6 +1176,42 @@ public final class DB
return retValue;
} // getSQLValue
/**
* Get int Value from sql
* @param trxName trx
* @param sql sql
* @param params array of parameters
* @return first value or -1
*/
public static int getSQLValue (String trxName, String sql, Object... params)
{
int retValue = -1;
PreparedStatement pstmt = null;
ResultSet rs = null;
try
{
pstmt = prepareStatement(sql, trxName);
for (int i = 0; i < params.length; i++) {
pstmt.setObject(i+1, params[i]);
}
rs = pstmt.executeQuery();
if (rs.next())
retValue = rs.getInt(1);
else
log.info("No Value " + sql);
}
catch (Exception e)
{
log.log(Level.SEVERE, sql, e);
}
finally
{
close(rs, pstmt);
rs = null; pstmt = null;
}
return retValue;
}
/**
* Get String Value from sql
* @param trxName trx
@ -1212,6 +1248,42 @@ public final class DB
return retValue;
} // getSQLValueString
/**
* Get String Value from sql
* @param trxName trx
* @param sql sql
* @param params array of parameters
* @return first value or null
*/
public static String getSQLValueString (String trxName, String sql, Object... params)
{
String retValue = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
try
{
pstmt = prepareStatement(sql, trxName);
for (int i = 0; i < params.length; i++) {
pstmt.setObject(i+1, params[i]);
}
rs = pstmt.executeQuery();
if (rs.next())
retValue = rs.getString(1);
else
log.info("No Value " + sql);
}
catch (Exception e)
{
log.log(Level.SEVERE, sql, e);
}
finally
{
close(rs, pstmt);
rs = null; pstmt = null;
}
return retValue;
}
/**
* Get BigDecimal Value from sql
* @param trxName trx
@ -1247,7 +1319,79 @@ public final class DB
}
return retValue;
} // getSQLValueBD
/**
* Get BigDecimal Value from sql
* @param trxName trx
* @param sql sql
* @param params array of parameters
* @return first value or null
*/
public static BigDecimal getSQLValueBD (String trxName, String sql, Object... params)
{
BigDecimal retValue = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
try
{
pstmt = prepareStatement(sql, trxName);
for (int i = 0; i < params.length; i++) {
pstmt.setObject(i+1, params[i]);
}
rs = pstmt.executeQuery();
if (rs.next())
retValue = rs.getBigDecimal(1);
else
log.info("No Value " + sql);
}
catch (Exception e)
{
log.log(Level.SEVERE, sql, e);
}
finally
{
close(rs, pstmt);
rs = null; pstmt = null;
}
return retValue;
}
/**
* Get Timestamp Value from sql
* @param trxName trx
* @param sql sql
* @param params array of parameters
* @return first value or null
*/
public static Timestamp getSQLValueTS (String trxName, String sql, Object... params)
{
Timestamp retValue = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
try
{
pstmt = prepareStatement(sql, trxName);
for (int i = 0; i < params.length; i++) {
pstmt.setObject(i+1, params[i]);
}
rs = pstmt.executeQuery();
if (rs.next())
retValue = rs.getTimestamp(1);
else
log.info("No Value " + sql);
}
catch (Exception e)
{
log.log(Level.SEVERE, sql, e);
}
finally
{
close(rs, pstmt);
rs = null; pstmt = null;
}
return retValue;
}
/**
* Get Array of Key Name Pairs
* @param sql select with id / name as first / second column