applied patch from Mark Lillywhite, patch was already applied to jdbc2, this applies...

diff --git a/src/interfaces/jdbc/org/postgresql/jdbc1/DatabaseMetaData.java b/src/interfaces/jdbc/org/postgresql/jdbc1/DatabaseMetaData.java
index 1029e7adcc7b65f67c74d1abdf52c4eee8945916..fcb6352277a15dfff509dccea0ac9ef93bab738b 100644 (file)
--- a/src/interfaces/jdbc/org/postgresql/jdbc1/DatabaseMetaData.java
+++ b/src/interfaces/jdbc/org/postgresql/jdbc1/DatabaseMetaData.java
@@ -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 :