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patch from Vicktor to fix Numeric decimal digits in getColumns

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This commit is contained in:
Dave Cramer
2002-03-05 02:14:08 +00:00
parent fef790cc03
commit 521017c5d0
2 changed files with 21 additions and 15 deletions
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11
src/interfaces/jdbc/org/postgresql/jdbc1/DatabaseMetaData.java
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@@ -13,7 +13,7 @@ import org.postgresql.util.PSQLException;
/* /*
* This class provides information about the database as a whole. * This class provides information about the database as a whole.
* *
* $Id: DatabaseMetaData.java,v 1.42 2002/02/22 02:40:09 davec Exp $ * $Id: DatabaseMetaData.java,v 1.43 2002/03/05 02:14:06 davec Exp $
* *
* <p>Many of the methods here return lists of information in ResultSets. You * <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 * can use the normal ResultSet methods such as getString and getInt to
@@ -2017,14 +2017,17 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData
// from the typmod value. // from the typmod value.
if (typname.equals("numeric") || typname.equals("decimal")) if (typname.equals("numeric") || typname.equals("decimal"))
{ {
int attypmod = r.getInt(8); int attypmod = r.getInt(8) - VARHDRSZ;
tuple[8] = tuple[8] =
Integer.toString((attypmod - VARHDRSZ) & 0xffff).getBytes(); Integer.toString(attypmod & 0xffff).getBytes();
tuple[9] =
Integer.toString( ( attypmod >> 16 ) & 0xffff ).getBytes();
} }
else else
{
tuple[8] = "0".getBytes(); tuple[8] = "0".getBytes();
tuple[9] = "10".getBytes(); // Num Prec Radix - assume decimal tuple[9] = "10".getBytes(); // Num Prec Radix - assume decimal
}
tuple[10] = Integer.toString(nullFlag.equals("f") ? tuple[10] = Integer.toString(nullFlag.equals("f") ?
java.sql.DatabaseMetaData.columnNullable : java.sql.DatabaseMetaData.columnNullable :
java.sql.DatabaseMetaData.columnNoNulls).getBytes(); // Nullable java.sql.DatabaseMetaData.columnNoNulls).getBytes(); // Nullable

13
src/interfaces/jdbc/org/postgresql/jdbc2/DatabaseMetaData.java
View File

@@ -15,7 +15,7 @@ import org.postgresql.util.PSQLException;
/* /*
* This class provides information about the database as a whole. * This class provides information about the database as a whole.
* *
* $Id: DatabaseMetaData.java,v 1.49 2002/02/22 02:17:13 davec Exp $ * $Id: DatabaseMetaData.java,v 1.50 2002/03/05 02:14:08 davec Exp $
* *
* <p>Many of the methods here return lists of information in ResultSets. You * <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 * can use the normal ResultSet methods such as getString and getInt to
@@ -2112,18 +2112,22 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData
tuple[7] = null; // Buffer length tuple[7] = null; // Buffer length
// Decimal digits = scale // Decimal digits = scale
// From the source (see e.g. backend/utils/adt/numeric.c, // From the source (see e.g. backend/utils/adt/format_type.c,
// function numeric()) the scale and precision can be calculated // function numeric()) the scale and precision can be calculated
// from the typmod value. // from the typmod value.
if (typname.equals("numeric") || typname.equals("decimal")) if (typname.equals("numeric") || typname.equals("decimal"))
{ {
int attypmod = r.getInt(8); int attypmod = r.getInt(8) - VARHDRSZ;
tuple[8] = tuple[8] =
Integer.toString((attypmod - VARHDRSZ) & 0xffff).getBytes(); Integer.toString( attypmod & 0xffff ).getBytes();
tuple[9] =
Integer.toString( ( attypmod >> 16 ) & 0xffff ).getBytes();
} }
else else
{
tuple[8] = "0".getBytes(); tuple[8] = "0".getBytes();
tuple[9] = "10".getBytes(); // Num Prec Radix - assume decimal tuple[9] = "10".getBytes(); // Num Prec Radix - assume decimal
}
tuple[10] = Integer.toString(nullFlag.equals("f") ? tuple[10] = Integer.toString(nullFlag.equals("f") ?
java.sql.DatabaseMetaData.columnNullable : java.sql.DatabaseMetaData.columnNullable :
java.sql.DatabaseMetaData.columnNoNulls).getBytes(); // Nullable java.sql.DatabaseMetaData.columnNoNulls).getBytes(); // Nullable
@@ -2135,7 +2139,6 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData
tuple[16] = r.getBytes(5); // ordinal position tuple[16] = r.getBytes(5); // ordinal position
tuple[17] = (nullFlag.equals("f") ? "YES" : "NO").getBytes(); // Is nullable tuple[17] = (nullFlag.equals("f") ? "YES" : "NO").getBytes(); // Is nullable
v.addElement(tuple);
} }
r.close(); r.close();