@ -1688,16 +1688,16 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData
String relKind ;
switch ( r . getBytes ( 3 ) [ 0 ] ) {
case 'r' :
case ( byte ) 'r' :
relKind = "TABLE" ;
break ;
case 'i' :
case ( byte ) 'i' :
relKind = "INDEX" ;
break ;
case 'S' :
case ( byte ) 'S' :
relKind = "SEQUENCE" ;
break ;
case 'v' :
case ( byte ) 'v' :
relKind = "VIEW" ;
break ;
default :
@ -2623,11 +2623,10 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData
* @return ResultSet each row is an index column description
* /
// Implementation note: This is required for Borland's JBuilder to work
public java . sql . ResultSet getIndexInfo ( String catalog , String schema , String table , boolean unique , boolean approximate ) throws SQLException
public java . sql . ResultSet getIndexInfo ( String catalog , String schema , String tableName , boolean unique , boolean approximate ) throws SQLException
{
// for now, this returns an empty result set.
Field f [ ] = new Field [ 13 ] ;
ResultSet r ; // ResultSet for the SQL query that we need to do
java . sql . ResultSet r ; // ResultSet for the SQL query that we need to do
Vector v = new Vector ( ) ; // The new ResultSet tuple stuff
f [ 0 ] = new Field ( connection , "TABLE_CAT" , iVarcharOid , 32 ) ;
@ -2644,6 +2643,60 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData
f [ 11 ] = new Field ( connection , "PAGES" , iInt4Oid , 4 ) ;
f [ 12 ] = new Field ( connection , "FILTER_CONDITION" , iVarcharOid , 32 ) ;
r = connection . ExecSQL ( "select " +
"c.relname, " +
"x.indisunique, " +
"i.relname, " +
"x.indisclustered, " +
"a.amname, " +
"x.indkey, " +
"c.reltuples, " +
"c.relpages " +
"FROM pg_index x, pg_class c, pg_class i, pg_am a " +
"WHERE ((c.relname = '" + tableName . toLowerCase ( ) + "') " +
" AND (c.oid = x.indrelid) " +
" AND (i.oid = x.indexrelid) " +
" AND (c.relam = a.oid)) " +
"ORDER BY x.indisunique DESC, " +
" x.indisclustered, a.amname, i.relname" ) ;
while ( r . next ( ) ) {
// indkey is an array of column ordinals (integers). In the JDBC
// interface, this has to be separated out into a separate
// tuple for each indexed column. Also, getArray() is not yet
// implemented for Postgres JDBC, so we parse by hand.
String columnOrdinalString = r . getString ( 6 ) ;
StringTokenizer stok = new StringTokenizer ( columnOrdinalString ) ;
int [ ] columnOrdinals = new int [ stok . countTokens ( ) ] ;
int o = 0 ;
while ( stok . hasMoreTokens ( ) ) {
columnOrdinals [ o + + ] = Integer . parseInt ( stok . nextToken ( ) ) ;
}
for ( int i = 0 ; i < columnOrdinals . length ; i + + ) {
byte [ ] [ ] tuple = new byte [ 13 ] [ ] ;
tuple [ 0 ] = "" . getBytes ( ) ;
tuple [ 1 ] = "" . getBytes ( ) ;
tuple [ 2 ] = r . getBytes ( 1 ) ;
tuple [ 3 ] = r . getBoolean ( 2 ) ? "f" . getBytes ( ) : "t" . getBytes ( ) ;
tuple [ 4 ] = null ;
tuple [ 5 ] = r . getBytes ( 3 ) ;
tuple [ 6 ] = r . getBoolean ( 4 ) ?
Integer . toString ( tableIndexClustered ) . getBytes ( ) :
r . getString ( 5 ) . equals ( "hash" ) ?
Integer . toString ( tableIndexHashed ) . getBytes ( ) :
Integer . toString ( tableIndexOther ) . getBytes ( ) ;
tuple [ 7 ] = Integer . toString ( i + 1 ) . getBytes ( ) ;
java . sql . ResultSet columnNameRS = connection . ExecSQL ( "select a.attname FROM pg_attribute a, pg_class c WHERE (a.attnum = " + columnOrdinals [ i ] + ") AND (a.attrelid = " + r . getInt ( 8 ) + ")" ) ;
columnNameRS . next ( ) ;
tuple [ 8 ] = columnNameRS . getBytes ( 1 ) ;
tuple [ 9 ] = null ; // sort sequence ???
tuple [ 10 ] = r . getBytes ( 7 ) ; // inexact
tuple [ 11 ] = r . getBytes ( 8 ) ;
tuple [ 12 ] = null ;
v . addElement ( tuple ) ;
}
}
return new ResultSet ( connection , f , v , "OK" , 1 ) ;
}
}
Bruce Momjian
25 years ago