Re: BETWEEN Node & DROP COLUMN - Mailing list pgsql-hackers

The problem is that the new column is now part of pg_attribute so every
catalog/pg_attribute.h DATA() line has to be updated.  Did you update
them all with 'false' in the right slot?  Not sure what the chunks are.


---------------------------------------------------------------------------

Christopher Kings-Lynne wrote:
> > Christopher, if you are still having trouble adding the isdropped system
> > column, please let me know.
> 
> Thanks Bruce, but I think I've got it sorted now.  One weird thing is that
> although I added it as being false in pg_attribute.h, I get these tuples
> having attisdropped set to true by initdb.
> 
> Are these from the toasting process and maybe the stats or something??
> 
> Chris
> 
>  attrelid |      attname
> ----------+-------------------
>     16464 | chunk_id
>     16464 | chunk_seq
>     16464 | chunk_data
>     16466 | chunk_id
>     16466 | chunk_seq
>     16467 | chunk_id
>     16467 | chunk_seq
>     16467 | chunk_data
>     16469 | chunk_id
>     16469 | chunk_seq
>     16470 | chunk_id
>     16470 | chunk_seq
>     16470 | chunk_data
>     16472 | chunk_id
>     16472 | chunk_seq
>     16473 | chunk_id
>     16473 | chunk_seq
>     16473 | chunk_data
>     16475 | chunk_id
>     16475 | chunk_seq
>     16476 | chunk_id
>     16476 | chunk_seq
>     16476 | chunk_data
>     16478 | chunk_id
>     16478 | chunk_seq
>     16479 | chunk_id
>     16479 | chunk_seq
>     16479 | chunk_data
>     16481 | chunk_id
>     16481 | chunk_seq
>     16482 | chunk_id
>     16482 | chunk_seq
>     16482 | chunk_data
>     16484 | chunk_id
>     16484 | chunk_seq
>     16485 | chunk_id
>     16485 | chunk_seq
>     16485 | chunk_data
>     16487 | chunk_id
>     16487 | chunk_seq
>     16488 | chunk_id
>     16488 | chunk_seq
>     16488 | chunk_data
>     16490 | chunk_id
>     16490 | chunk_seq
>     16491 | usecreatedb
>     16491 | usesuper
>     16491 | passwd
>     16491 | valuntil
>     16491 | useconfig
>     16494 | schemaname
>     16494 | tablename
>     16494 | rulename
>     16494 | definition
>     16498 | schemaname
>     16498 | viewname
>     16498 | viewowner
>     16498 | definition
>     16501 | tablename
>     16501 | tableowner
>     16501 | hasindexes
>     16501 | hasrules
>     16501 | hastriggers
>     16504 | tablename
>     16504 | indexname
>     16504 | indexdef
>     16507 | tablename
>     16507 | attname
>     16507 | null_frac
>     16507 | avg_width
>     16507 | n_distinct
>     16507 | most_common_vals
>     16507 | most_common_freqs
>     16507 | histogram_bounds
>     16507 | correlation
>     16511 | relid
>     16511 | relname
>     16511 | seq_scan
>     16511 | seq_tup_read
>     16511 | idx_scan
>     16511 | idx_tup_fetch
>     16511 | n_tup_ins
>     16511 | n_tup_upd
>     16511 | n_tup_del
>     16514 | relid
>     16514 | relname
>     16514 | heap_blks_read
>     16514 | heap_blks_hit
>     16514 | idx_blks_read
>     16514 | idx_blks_hit
>     16514 | toast_blks_read
>     16514 | toast_blks_hit
>     16514 | tidx_blks_read
>     16514 | tidx_blks_hit
>     16518 | relid
>     16518 | indexrelid
>     16518 | relname
>     16518 | indexrelname
>     16518 | idx_scan
>     16518 | idx_tup_read
>     16518 | idx_tup_fetch
>     16521 | relid
>     16521 | indexrelid
>     16521 | relname
>     16521 | indexrelname
>     16521 | idx_blks_read
>     16521 | idx_blks_hit
>     16524 | relid
>     16524 | relname
>     16524 | blks_read
>     16524 | blks_hit
>     16527 | datid
>     16527 | datname
>     16527 | procpid
>     16527 | usesysid
>     16527 | usename
>     16527 | current_query
>     16530 | datid
>     16530 | datname
>     16530 | numbackends
>     16530 | xact_commit
>     16530 | xact_rollback
>     16530 | blks_read
>     16530 | blks_hit
> 
> 
> 
> 
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--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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