Re: Java heap space

Gonzalo "D?az" <[email protected]> Fri, 15 Sep 2006 10:22:58 -0700 (PDT)
Newsgroups gmane.comp.db.mckoi
Message-ID <[email protected]>
Ooops, looking at the patch code, I realize that
replacing the enums is what you just did, sorry.
Then I'll simply wait until they are refelcted on the
nightly build.
Thanks

   Gonzalo

--- Gonzalo Díaz <[email protected]> wrote:

> Thank you.
> Has this patch been applied to the nighty build?
> Sorry for asking this, I don't know how your build
> process works. I got the nighty build but the error
> persists.
> Are users supposed to chec out from CVS and apply
> the
> patch isolatedly instead?
> 
>    Gonzalo
> 
> PS: While I am at it, I would like to volunteer for
> replacing all the "enum" variable names by something
> else, to see if i can be compiled in 1.5.
> 
> 
> 
> --- Stefaan A Eeckels <[email protected]>
> wrote:
> 
> > On Thu, 14 Sep 2006 21:07:48 +0200
> > Stefaan A Eeckels <[email protected]> wrote:
> > 
> > > OK, I can reproduce this. I'd have to look in
> the
> > source code to see
> > > what causes the out of memory error.
> > 
> > I've found (and fixed) the problem. Two messages
> > with attachments have
> > failed to materialize on the list, which might be
> > caused by the
> > attachments. Hence this message, with the patch as
> a
> > text attachment.
> > 
> > Here's the text from the previous messages:
> > 
> > > It's a bug in the code - the  'E\\_%' pattern
> > causes an endless
> > > loop in PatternSearch.search. I have a fix for
> > this that -after
> > > cursory testing- seems to work. 
> > > 
> > > I attach a patch with the fix as well as a fix
> for
> > the compilation
> > > with Java 5 (McKoi used "enum" as a variable
> name,
> > in Java 5 it's a
> > > reserved word).
> > > 
> > > Mckoi with the attached patch and compiled with
> > Java 1.5.008 is
> > > running quite nicely.
> > 
> > 
> > -- 
> > Stefaan
> > -- 
> > As complexity rises, precise statements lose
> > meaning,
> > and meaningful statements lose precision. -- Lotfi
> > Zadeh 
> > > diff -urw
> >
> mckoi1.0.3/src/com/mckoi/database/FunctionTable.java
> >
>
mckoi1.0.3.sae//src/com/mckoi/database/FunctionTable.java
> > ---
> >
> mckoi1.0.3/src/com/mckoi/database/FunctionTable.java
> > Tue Apr  8 01:55:02 2003
> > +++
> >
>
mckoi1.0.3.sae//src/com/mckoi/database/FunctionTable.java
> > Thu Sep 14 22:58:37 2006
> > @@ -239,12 +239,12 @@
> >  
> >      // Set up 'whole_table_group' to the list of
> > all rows in the reference
> >      // table.
> > -    RowEnumeration enum =
> > getReferenceTable().rowEnumeration();
> > -    whole_table_is_simple_enum = enum instanceof
> > SimpleRowEnumeration;
> > +    RowEnumeration theEnum =
> > getReferenceTable().rowEnumeration();
> > +    whole_table_is_simple_enum = theEnum
> instanceof
> > SimpleRowEnumeration;
> >      if (!whole_table_is_simple_enum) {
> >        whole_table_group = new
> > IntegerVector(getReferenceTable().getRowCount());
> > -      while (enum.hasMoreRows()) {
> > -       
> > whole_table_group.addInt(enum.nextRowIndex());
> > +      while (theEnum.hasMoreRows()) {
> > +       
> > whole_table_group.addInt(theEnum.nextRowIndex());
> >        }
> >      }
> >  
> > @@ -425,9 +425,9 @@
> >        // This means there is no grouping, so
> merge
> > with entire table,
> >        int r_count = table.getRowCount();
> >        row_list = new IntegerVector(r_count);
> > -      RowEnumeration enum =
> table.rowEnumeration();
> > -      while (enum.hasMoreRows()) {
> > -        row_list.addInt(enum.nextRowIndex());
> > +      RowEnumeration theEnum =
> > table.rowEnumeration();
> > +      while (theEnum.hasMoreRows()) {
> > +        row_list.addInt(theEnum.nextRowIndex());
> >        }
> >      }
> >  
> > diff -urw
> >
>
mckoi1.0.3/src/com/mckoi/database/NaturallyJoinedTable.java
> >
>
mckoi1.0.3.sae//src/com/mckoi/database/NaturallyJoinedTable.java
> > ---
> >
>
mckoi1.0.3/src/com/mckoi/database/NaturallyJoinedTable.java
> > Sat Sep 21 21:37:06 2002
> > +++
> >
>
mckoi1.0.3.sae//src/com/mckoi/database/NaturallyJoinedTable.java
> > Thu Sep 14 22:58:50 2006
> > @@ -86,9 +86,9 @@
> >     */
> >    private static IntegerVector
> > createLookupRowList(Table t) {
> >      IntegerVector ivec = new IntegerVector();
> > -    RowEnumeration enum = t.rowEnumeration();
> > -    while (enum.hasMoreRows()) {
> > -      int row_index = enum.nextRowIndex();
> > +    RowEnumeration theEnum = t.rowEnumeration();
> > +    while (theEnum.hasMoreRows()) {
> > +      int row_index = theEnum.nextRowIndex();
> >        ivec.addInt(row_index);
> >      }
> >      return ivec;
> > diff -urw
> >
> mckoi1.0.3/src/com/mckoi/database/PatternSearch.java
> >
>
mckoi1.0.3.sae//src/com/mckoi/database/PatternSearch.java
> > ---
> >
> mckoi1.0.3/src/com/mckoi/database/PatternSearch.java
> > Mon Feb  3 13:42:58 2003
> > +++
> >
>
mckoi1.0.3.sae//src/com/mckoi/database/PatternSearch.java
> > Fri Sep 15 10:17:34 2006
> > @@ -204,7 +204,6 @@
> >  
> >      // Look at first character in pattern, if
> it's
> > a ONE_CHAR wildcard then
> >      // check expression and pattern match until
> > next wild card.
> > -
> >      if (pattern.charAt(0) == ONE_CHAR) {
> >  
> >        // Else step through each character in
> > pattern and see if it matches up
> > @@ -382,6 +381,7 @@
> >  
> >      StringBuffer pre_pattern = new
> StringBuffer();
> >      int i = 0;
> > +    int j = 0;
> >      boolean finished = i >= pattern.length();
> >      boolean last_is_escape = false;
> >  
> > @@ -388,14 +388,24 @@
> >      while (!finished) {
> >        char c = pattern.charAt(i);
> >        if (last_is_escape) {
> > -        last_is_escape = true;
> > +        last_is_escape = false;
> >          pre_pattern.append(c);
> > +        j++;
> > +        ++i;
> > +        if (i >= pattern.length()) {
> > +          finished = true;
> >        }
> > +      }
> >        else if (c == escape_char) {
> >          last_is_escape = true;
> > +        ++i;
> > +        if (i >= pattern.length()) {
> > +          finished = true;
> >        }
> > +      }
> 
=== message truncated ===


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