open-dsi
/
postgres
mirror of https://github.com/postgres/postgres
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

fixed bug in support for timestamp without time zone reported by Yuva Chandolu (ychandolu@ebates.com)

Browse Source
REL7_3_STABLE
Barry Lind 24 years ago
parent 846ea08d34
commit cdebcad6af
3 changed files with 135 additions and 73 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 2
      src/interfaces/jdbc/org/postgresql/Driver.java.in
  2. 98
      src/interfaces/jdbc/org/postgresql/jdbc1/PreparedStatement.java
  3. 108
      src/interfaces/jdbc/org/postgresql/jdbc2/PreparedStatement.java

2
src/interfaces/jdbc/org/postgresql/Driver.java.in
Unescape View File

@ -442,6 +442,6 @@ public class Driver implements java.sql.Driver
} }
//The build number should be incremented for every new build //The build number should be incremented for every new build
private static int m_buildNumber = 101; private static int m_buildNumber = 102;
} }

98
src/interfaces/jdbc/org/postgresql/jdbc1/PreparedStatement.java
Unescape View File

@ -36,6 +36,9 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
String[] inStrings; String[] inStrings;
Connection connection; Connection connection;
// Some performance caches
private StringBuffer sbuf = new StringBuffer();
/* /*
* Constructor for the PreparedStatement class. * Constructor for the PreparedStatement class.
* Split the SQL statement into segments - separated by the arguments. * Split the SQL statement into segments - separated by the arguments.
@ -340,19 +343,8 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
} }
else else
{ {
SimpleDateFormat df = new SimpleDateFormat("''yyyy-MM-dd''"); set(parameterIndex, "'" + x.toString() + "'");
set(parameterIndex, df.format(x));
} }
// The above is how the date should be handled.
//
// However, in JDK's prior to 1.1.6 (confirmed with the
// Linux jdk1.1.3 and the Win95 JRE1.1.5), SimpleDateFormat seems
// to format a date to the previous day. So the fix is to add a day
// before formatting.
//
// PS: 86400000 is one day
//
//set(parameterIndex, df.format(new java.util.Date(x.getTime()+86400000)));
} }
/* /*
@ -390,23 +382,75 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
setNull(parameterIndex, Types.OTHER); setNull(parameterIndex, Types.OTHER);
} }
else else
{ {
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); // Use the shared StringBuffer
df.setTimeZone(TimeZone.getTimeZone("GMT")); synchronized (sbuf)
{
// Make decimal from nanos. sbuf.setLength(0);
StringBuffer decimal = new StringBuffer("000000000"); // max nanos length sbuf.append("'");
String nanos = String.valueOf(x.getNanos()); //format the timestamp
decimal.setLength(decimal.length() - nanos.length()); //we do our own formating so that we can get a format
decimal.append(nanos); //that works with both timestamp with time zone and
if (! connection.haveMinimumServerVersion("7.2")) { //timestamp without time zone datatypes.
// Because 7.1 include bug that "hh:mm:59.999" becomes "hh:mm:60.00". //The format is '2002-01-01 23:59:59.123456-0130'
decimal.setLength(2); //we need to include the local time and timezone offset
//so that timestamp without time zone works correctly
int l_year = x.getYear() + 1900;
sbuf.append(l_year);
sbuf.append('-');
int l_month = x.getMonth() + 1;
if (l_month < 10) sbuf.append('0');
sbuf.append(l_month);
sbuf.append('-');
int l_day = x.getDate();
if (l_day < 10) sbuf.append('0');
sbuf.append(l_day);
sbuf.append(' ');
int l_hours = x.getHours();
if (l_hours < 10) sbuf.append('0');
sbuf.append(l_hours);
sbuf.append(':');
int l_minutes = x.getMinutes();
if (l_minutes < 10) sbuf.append('0');
sbuf.append(l_minutes);
sbuf.append(':');
int l_seconds = x.getSeconds();
if (l_seconds < 10) sbuf.append('0');
sbuf.append(l_seconds);
// Make decimal from nanos.
char[] l_decimal = {'0','0','0','0','0','0','0','0','0'};
char[] l_nanos = Integer.toString(x.getNanos()).toCharArray();
System.arraycopy(l_nanos, 0, l_decimal, l_decimal.length - l_nanos.length, l_nanos.length);
sbuf.append('.');
if (connection.haveMinimumServerVersion("7.2")) {
sbuf.append(l_decimal,0,6);
} else {
// Because 7.1 include bug that "hh:mm:59.999" becomes "hh:mm:60.00".
sbuf.append(l_decimal,0,2);
}
//add timezone offset
int l_offset = -(x.getTimezoneOffset());
int l_houros = l_offset/60;
if (l_houros >= 0) {
sbuf.append('+');
} else {
sbuf.append('-');
}
if (l_houros > -10 && l_houros < 10) sbuf.append('0');
if (l_houros >= 0) {
sbuf.append(l_houros);
} else {
sbuf.append(-l_houros);
}
int l_minos = l_offset - (l_houros *60);
if (l_minos != 0) {
if (l_minos < 10) sbuf.append('0');
sbuf.append(l_minos);
}
sbuf.append("'");
set(parameterIndex, sbuf.toString());
} }
StringBuffer strBuf = new StringBuffer("'");
strBuf.append(df.format(x)).append('.').append(decimal).append("+00'");
set(parameterIndex, strBuf.toString());
} }
} }

108
src/interfaces/jdbc/org/postgresql/jdbc2/PreparedStatement.java
Unescape View File

@ -39,11 +39,6 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
// Some performance caches // Some performance caches
private StringBuffer sbuf = new StringBuffer(); private StringBuffer sbuf = new StringBuffer();
// We use ThreadLocal for SimpleDateFormat's because they are not that
// thread safe, so each calling thread has its own object.
private static ThreadLocal tl_df = new ThreadLocal(); // setDate() SimpleDateFormat
private static ThreadLocal tl_tsdf = new ThreadLocal(); // setTimestamp() SimpleDateFormat
/* /*
* Constructor for the PreparedStatement class. * Constructor for the PreparedStatement class.
* Split the SQL statement into segments - separated by the arguments. * Split the SQL statement into segments - separated by the arguments.
@ -355,24 +350,8 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
} }
else else
{ {
SimpleDateFormat df = (SimpleDateFormat) tl_df.get(); set(parameterIndex, "'" + x.toString() + "'");
if (df == null)
{
df = new SimpleDateFormat("''yyyy-MM-dd''");
tl_df.set(df);
}
set(parameterIndex, df.format(x));
} }
// The above is how the date should be handled.
//
// However, in JDK's prior to 1.1.6 (confirmed with the
// Linux jdk1.1.3 and the Win95 JRE1.1.5), SimpleDateFormat seems
// to format a date to the previous day. So the fix is to add a day
// before formatting.
//
// PS: 86400000 is one day
//
//set(parameterIndex, df.format(new java.util.Date(x.getTime()+86400000)));
} }
/* /*
@ -410,36 +389,75 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
setNull(parameterIndex, Types.OTHER); setNull(parameterIndex, Types.OTHER);
} }
else else
{ {
SimpleDateFormat df = (SimpleDateFormat) tl_tsdf.get();
if (df == null)
{
df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
df.setTimeZone(TimeZone.getTimeZone("GMT"));
tl_tsdf.set(df);
}
// Make decimal from nanos.
StringBuffer decimal = new StringBuffer("000000000"); // max nanos length
String nanos = String.valueOf(x.getNanos());
decimal.setLength(decimal.length() - nanos.length());
decimal.append(nanos);
if (! connection.haveMinimumServerVersion("7.2")) {
// Because 7.1 include bug that "hh:mm:59.999" becomes "hh:mm:60.00".
decimal.setLength(2);
}
// Use the shared StringBuffer // Use the shared StringBuffer
synchronized (sbuf) synchronized (sbuf)
{ {
sbuf.setLength(0); sbuf.setLength(0);
sbuf.append("'").append(df.format(x)).append('.').append(decimal).append("+00'"); sbuf.append("'");
//format the timestamp
//we do our own formating so that we can get a format
//that works with both timestamp with time zone and
//timestamp without time zone datatypes.
//The format is '2002-01-01 23:59:59.123456-0130'
//we need to include the local time and timezone offset
//so that timestamp without time zone works correctly
int l_year = x.getYear() + 1900;
sbuf.append(l_year);
sbuf.append('-');
int l_month = x.getMonth() + 1;
if (l_month < 10) sbuf.append('0');
sbuf.append(l_month);
sbuf.append('-');
int l_day = x.getDate();
if (l_day < 10) sbuf.append('0');
sbuf.append(l_day);
sbuf.append(' ');
int l_hours = x.getHours();
if (l_hours < 10) sbuf.append('0');
sbuf.append(l_hours);
sbuf.append(':');
int l_minutes = x.getMinutes();
if (l_minutes < 10) sbuf.append('0');
sbuf.append(l_minutes);
sbuf.append(':');
int l_seconds = x.getSeconds();
if (l_seconds < 10) sbuf.append('0');
sbuf.append(l_seconds);
// Make decimal from nanos.
char[] l_decimal = {'0','0','0','0','0','0','0','0','0'};
char[] l_nanos = Integer.toString(x.getNanos()).toCharArray();
System.arraycopy(l_nanos, 0, l_decimal, l_decimal.length - l_nanos.length, l_nanos.length);
sbuf.append('.');
if (connection.haveMinimumServerVersion("7.2")) {
sbuf.append(l_decimal,0,6);
} else {
// Because 7.1 include bug that "hh:mm:59.999" becomes "hh:mm:60.00".
sbuf.append(l_decimal,0,2);
}
//add timezone offset
int l_offset = -(x.getTimezoneOffset());
int l_houros = l_offset/60;
if (l_houros >= 0) {
sbuf.append('+');
} else {
sbuf.append('-');
}
if (l_houros > -10 && l_houros < 10) sbuf.append('0');
if (l_houros >= 0) {
sbuf.append(l_houros);
} else {
sbuf.append(-l_houros);
}
int l_minos = l_offset - (l_houros *60);
if (l_minos != 0) {
if (l_minos < 10) sbuf.append('0');
sbuf.append(l_minos);
}
sbuf.append("'");
set(parameterIndex, sbuf.toString()); set(parameterIndex, sbuf.toString());
} }
// The above works, but so does the following. I'm leaving the above in, but this seems
// to be identical. Pays to read the docs ;-)
//set(parameterIndex,"'"+x.toString()+"'");
} }
} }

Write Preview
Loading…
Cancel
Save