diff options
| -rw-r--r-- | src/interfaces/jdbc/org/postgresql/jdbc2/DatabaseMetaData.java | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/interfaces/jdbc/org/postgresql/jdbc2/DatabaseMetaData.java b/src/interfaces/jdbc/org/postgresql/jdbc2/DatabaseMetaData.java index 6cb522466cf..44ed49a2c61 100644 --- a/src/interfaces/jdbc/org/postgresql/jdbc2/DatabaseMetaData.java +++ b/src/interfaces/jdbc/org/postgresql/jdbc2/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 1.38 2001/10/24 04:31:50 barry Exp $ + * $Id: DatabaseMetaData.java,v 1.39 2001/10/24 17:44:28 momjian 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 @@ -1999,7 +1999,18 @@ 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. mark@plasticsoftware.com.au + if (typname.equals("numeric") || typname.equals("decimal")) + { + int attypmod = r.getInt(8); + tuple[8] = + Integer.toString((attypmod & 0xffff) - VARHDRSZ).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 : |