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mirror of https://github.com/postgres/postgres.git synced 2025-07-28 23:42:10 +03:00

applied patch from Mark Lillywhite, patch was already applied to jdbc2, this applies same fix to jdbc1 code

This commit is contained in:
Barry Lind
2001-10-30 05:05:25 +00:00
parent cd01c32f55
commit d80d4baa09

View File

@ -13,7 +13,7 @@ import org.postgresql.util.PSQLException;
/**
* This class provides information about the database as a whole.
*
* $Id: DatabaseMetaData.java,v 1.35 2001/10/25 05:59:59 momjian Exp $
* $Id: DatabaseMetaData.java,v 1.36 2001/10/30 05:05:25 barry Exp $
*
* <p>Many of the methods here return lists of information in ResultSets. You
* can use the normal ResultSet methods such as getString and getInt to
@ -2011,7 +2011,19 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData
}
tuple[7] = null; // Buffer length
tuple[8] = "0".getBytes(); // Decimal Digits - how to get this?
// Decimal digits = scale
// From the source (see e.g. backend/utils/adt/numeric.c,
// function numeric()) the scale and precision can be calculated
// from the typmod value.
if (typname.equals("numeric") || typname.equals("decimal"))
{
int attypmod = r.getInt(8);
tuple[8] =
Integer.toString((attypmod - VARHDRSZ) & 0xffff).getBytes();
}
else
tuple[8] = "0".getBytes();
tuple[9] = "10".getBytes(); // Num Prec Radix - assume decimal
tuple[10] = Integer.toString(nullFlag.equals("f") ?
java.sql.DatabaseMetaData.columnNullable :