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Diffstat (limited to 'src/interfaces/jdbc/org/postgresql/jdbc2/ResultSet.java')
-rw-r--r--src/interfaces/jdbc/org/postgresql/jdbc2/ResultSet.java372
1 files changed, 183 insertions, 189 deletions
diff --git a/src/interfaces/jdbc/org/postgresql/jdbc2/ResultSet.java b/src/interfaces/jdbc/org/postgresql/jdbc2/ResultSet.java
index 868f404c77..6ff3b60a74 100644
--- a/src/interfaces/jdbc/org/postgresql/jdbc2/ResultSet.java
+++ b/src/interfaces/jdbc/org/postgresql/jdbc2/ResultSet.java
@@ -61,10 +61,7 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
{
protected org.postgresql.jdbc2.Statement statement;
- /**
- * StringBuffer used by getTimestamp
- */
- private StringBuffer sbuf;
+ private StringBuffer sbuf = null;
/**
* Create a new ResultSet - Note that we create ResultSets to
@@ -185,14 +182,7 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
*/
public boolean getBoolean(int columnIndex) throws SQLException
{
- String s = getString(columnIndex);
-
- if (s != null)
- {
- int c = s.charAt(0);
- return ((c == 't') || (c == 'T') || (c == '1'));
- }
- return false; // SQL NULL
+ return toBoolean( getString(columnIndex) );
}
/**
@@ -250,18 +240,7 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
*/
public int getInt(int columnIndex) throws SQLException
{
- String s = getFixedString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Integer.parseInt(s);
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.badint",s);
- }
- }
- return 0; // SQL NULL
+ return toInt( getFixedString(columnIndex) );
}
/**
@@ -273,18 +252,7 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
*/
public long getLong(int columnIndex) throws SQLException
{
- String s = getFixedString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Long.parseLong(s);
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.badlong",s);
- }
- }
- return 0; // SQL NULL
+ return toLong( getFixedString(columnIndex) );
}
/**
@@ -296,18 +264,7 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
*/
public float getFloat(int columnIndex) throws SQLException
{
- String s = getFixedString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Float.valueOf(s).floatValue();
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.badfloat",s);
- }
- }
- return 0; // SQL NULL
+ return toFloat( getFixedString(columnIndex) );
}
/**
@@ -319,18 +276,7 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
*/
public double getDouble(int columnIndex) throws SQLException
{
- String s = getFixedString(columnIndex);
-
- if (s != null)
- {
- try
- {
- return Double.valueOf(s).doubleValue();
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.baddouble",s);
- }
- }
- return 0; // SQL NULL
+ return toDouble( getFixedString(columnIndex) );
}
/**
@@ -345,27 +291,7 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
*/
public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException
{
- String s = getFixedString(columnIndex);
- BigDecimal val;
-
- if (s != null)
- {
-
- try
- {
- val = new BigDecimal(s);
- } catch (NumberFormatException e) {
- throw new PSQLException ("postgresql.res.badbigdec",s);
- }
- if (scale==-1) return val;
- try
- {
- return val.setScale(scale);
- } catch (ArithmeticException e) {
- throw new PSQLException ("postgresql.res.badbigdec",s);
- }
- }
- return null; // SQL NULL
+ return toBigDecimal( getFixedString(columnIndex), scale );
}
/**
@@ -412,16 +338,7 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
*/
public java.sql.Date getDate(int columnIndex) throws SQLException
{
- String s = getString(columnIndex);
- if(s==null)
- return null;
- // length == 10: SQL Date
- // length > 10: SQL Timestamp, assumes PGDATESTYLE=ISO
- try {
- return java.sql.Date.valueOf((s.length() == 10) ? s : s.substring(0,10));
- } catch (NumberFormatException e) {
- throw new PSQLException("postgresql.res.baddate", s);
- }
+ return toDate( getString(columnIndex) );
}
/**
@@ -434,17 +351,7 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
*/
public Time getTime(int columnIndex) throws SQLException
{
- String s = getString(columnIndex);
-
- if(s==null)
- return null; // SQL NULL
- // length == 8: SQL Time
- // length > 8: SQL Timestamp
- try {
- return java.sql.Time.valueOf((s.length() == 8) ? s : s.substring(11,19));
- } catch (NumberFormatException e) {
- throw new PSQLException("postgresql.res.badtime",s);
- }
+ return toTime( getString(columnIndex) );
}
/**
@@ -457,90 +364,7 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
*/
public Timestamp getTimestamp(int columnIndex) throws SQLException
{
- String s = getString(columnIndex);
- if(s==null)
- return null;
-
- boolean subsecond;
- //if string contains a '.' we have fractional seconds
- if (s.indexOf('.') == -1) {
- subsecond = false;
- } else {
- subsecond = true;
- }
-
- //here we are modifying the string from ISO format to a format java can understand
- //java expects timezone info as 'GMT-08:00' instead of '-08' in postgres ISO format
- //and java expects three digits if fractional seconds are present instead of two for postgres
- //so this code strips off timezone info and adds on the GMT+/-...
- //as well as adds a third digit for partial seconds if necessary
- synchronized(this) {
- // We must be synchronized here incase more theads access the ResultSet
- // bad practice but possible. Anyhow this is to protect sbuf and
- // SimpleDateFormat objects
-
- // First time?
- if(sbuf==null)
- sbuf = new StringBuffer();
-
- sbuf.setLength(0);
- sbuf.append(s);
-
- //we are looking to see if the backend has appended on a timezone.
- //currently postgresql will return +/-HH:MM or +/-HH for timezone offset
- //(i.e. -06, or +06:30, note the expectation of the leading zero for the
- //hours, and the use of the : for delimiter between hours and minutes)
- //if the backend ISO format changes in the future this code will
- //need to be changed as well
- char sub = sbuf.charAt(sbuf.length()-3);
- if (sub == '+' || sub == '-') {
- //we have found timezone info of format +/-HH
- sbuf.setLength(sbuf.length()-3);
- if (subsecond) {
- sbuf.append('0').append("GMT").append(s.substring(s.length()-3)).append(":00");
- } else {
- sbuf.append("GMT").append(s.substring(s.length()-3)).append(":00");
- }
- } else if (sub == ':') {
- //we may have found timezone info of format +/-HH:MM, or there is no
- //timezone info at all and this is the : preceding the seconds
- char sub2 = sbuf.charAt(sbuf.length()-5);
- if (sub2 == '+' || sub2 == '-') {
- //we have found timezone info of format +/-HH:MM
- sbuf.setLength(sbuf.length()-5);
- if (subsecond) {
- sbuf.append('0').append("GMT").append(s.substring(s.length()-5));
- } else {
- sbuf.append("GMT").append(s.substring(s.length()-5));
- }
- } else if (subsecond) {
- sbuf.append('0');
- }
- } else if (subsecond) {
- sbuf.append('0');
- }
-
- // could optimize this a tad to remove too many object creations...
- SimpleDateFormat df = null;
-
- if (sbuf.length()>23 && subsecond) {
- df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSSzzzzzzzzz");
- } else if (sbuf.length()>23 && !subsecond) {
- df = new SimpleDateFormat("yyyy-MM-dd HH:mm:sszzzzzzzzz");
- } else if (sbuf.length()>10 && subsecond) {
- df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
- } else if (sbuf.length()>10 && !subsecond) {
- df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- } else {
- df = new SimpleDateFormat("yyyy-MM-dd");
- }
-
- try {
- return new Timestamp(df.parse(sbuf.toString()).getTime());
- } catch(ParseException e) {
- throw new PSQLException("postgresql.res.badtimestamp",new Integer(e.getErrorOffset()),s);
- }
- }
+ return toTimestamp( getString(columnIndex), this );
}
/**
@@ -960,14 +784,16 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
return true;
}
- public Array getArray(String colName) throws SQLException
+ public java.sql.Array getArray(String colName) throws SQLException
{
return getArray(findColumn(colName));
}
- public Array getArray(int i) throws SQLException
+ public java.sql.Array getArray(int i) throws SQLException
{
- throw org.postgresql.Driver.notImplemented();
+ if (i < 1 || i > fields.length)
+ throw new PSQLException("postgresql.res.colrange");
+ return (java.sql.Array) new org.postgresql.jdbc2.Array( connection, i, fields[i-1], this );
}
public java.math.BigDecimal getBigDecimal(int columnIndex) throws SQLException
@@ -1486,5 +1312,173 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
this.statement=statement;
}
+ //----------------- Formatting Methods -------------------
+
+ public static boolean toBoolean(String s)
+ {
+ if (s != null)
+ {
+ int c = s.charAt(0);
+ return ((c == 't') || (c == 'T'));
+ }
+ return false; // SQL NULL
+ }
+
+ public static int toInt(String s) throws SQLException
+ {
+ if (s != null)
+ {
+ try
+ {
+ return Integer.parseInt(s);
+ } catch (NumberFormatException e) {
+ throw new PSQLException ("postgresql.res.badint",s);
+ }
+ }
+ return 0; // SQL NULL
+ }
+
+ public static long toLong(String s) throws SQLException
+ {
+ if (s != null)
+ {
+ try
+ {
+ return Long.parseLong(s);
+ } catch (NumberFormatException e) {
+ throw new PSQLException ("postgresql.res.badlong",s);
+ }
+ }
+ return 0; // SQL NULL
+ }
+
+ public static BigDecimal toBigDecimal(String s, int scale) throws SQLException
+ {
+ BigDecimal val;
+ if (s != null)
+ {
+ try
+ {
+ val = new BigDecimal(s);
+ } catch (NumberFormatException e) {
+ throw new PSQLException ("postgresql.res.badbigdec",s);
+ }
+ if (scale==-1) return val;
+ try
+ {
+ return val.setScale(scale);
+ } catch (ArithmeticException e) {
+ throw new PSQLException ("postgresql.res.badbigdec",s);
+ }
+ }
+ return null; // SQL NULL
+ }
+
+ public static float toFloat(String s) throws SQLException
+ {
+ if (s != null)
+ {
+ try
+ {
+ return Float.valueOf(s).floatValue();
+ } catch (NumberFormatException e) {
+ throw new PSQLException ("postgresql.res.badfloat",s);
+ }
+ }
+ return 0; // SQL NULL
+ }
+
+ public static double toDouble(String s) throws SQLException
+ {
+ if (s != null)
+ {
+ try
+ {
+ return Double.valueOf(s).doubleValue();
+ } catch (NumberFormatException e) {
+ throw new PSQLException ("postgresql.res.baddouble",s);
+ }
+ }
+ return 0; // SQL NULL
+ }
+
+ public static java.sql.Date toDate(String s) throws SQLException
+ {
+ if(s==null)
+ return null;
+ return java.sql.Date.valueOf(s);
+ }
+
+ public static Time toTime(String s) throws SQLException
+ {
+ if(s==null)
+ return null; // SQL NULL
+ return java.sql.Time.valueOf(s);
+ }
+
+ public static Timestamp toTimestamp(String s, ResultSet resultSet) throws SQLException
+ {
+ if(s==null)
+ return null;
+
+ boolean subsecond;
+ //if string contains a '.' we have fractional seconds
+ if (s.indexOf('.') == -1) {
+ subsecond = false;
+ } else {
+ subsecond = true;
+ }
+
+ //here we are modifying the string from ISO format to a format java can understand
+ //java expects timezone info as 'GMT-08:00' instead of '-08' in postgres ISO format
+ //and java expects three digits if fractional seconds are present instead of two for postgres
+ //so this code strips off timezone info and adds on the GMT+/-...
+ //as well as adds a third digit for partial seconds if necessary
+ synchronized(resultSet) {
+ // We must be synchronized here incase more theads access the ResultSet
+ // bad practice but possible. Anyhow this is to protect sbuf and
+ // SimpleDateFormat objects
+
+ // First time?
+ if(resultSet.sbuf==null)
+ resultSet.sbuf = new StringBuffer();
+
+ resultSet.sbuf.setLength(0);
+ resultSet.sbuf.append(s);
+
+ char sub = resultSet.sbuf.charAt(resultSet.sbuf.length()-3);
+ if (sub == '+' || sub == '-') {
+ resultSet.sbuf.setLength(resultSet.sbuf.length()-3);
+ if (subsecond) {
+ resultSet.sbuf.append('0').append("GMT").append(s.substring(s.length()-3)).append(":00");
+ } else {
+ resultSet.sbuf.append("GMT").append(s.substring(s.length()-3)).append(":00");
+ }
+ } else if (subsecond) {
+ resultSet.sbuf.append('0');
+ }
+
+ // could optimize this a tad to remove too many object creations...
+ SimpleDateFormat df = null;
+
+ if (resultSet.sbuf.length()>23 && subsecond) {
+ df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSSzzzzzzzzz");
+ } else if (resultSet.sbuf.length()>23 && !subsecond) {
+ df = new SimpleDateFormat("yyyy-MM-dd HH:mm:sszzzzzzzzz");
+ } else if (resultSet.sbuf.length()>10 && subsecond) {
+ df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
+ } else if (resultSet.sbuf.length()>10 && !subsecond) {
+ df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+ } else {
+ df = new SimpleDateFormat("yyyy-MM-dd");
+ }
+
+ try {
+ return new Timestamp(df.parse(resultSet.sbuf.toString()).getTime());
+ } catch(ParseException e) {
+ throw new PSQLException("postgresql.res.badtimestamp",new Integer(e.getErrorOffset()),s);
+ }
+ }
+ }
}
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