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Revision 10188

Added by Aaron Marcuse-Kubitza over 11 years ago

lib/sql_io.py: cleanup_table(): don't run the slow ALTER TABLE statement again if the table has already been cleaned up. documented that it is idempotent (and actually was before this change as well).

View differences:

lib/sql_io.py
35 35 
null_strs = ['', '-', r'\N', 'NULL', 'UNKNOWN', 'nulo']
36 36 

  		




  37
  37
  
    
def cleanup_table(db, table):


  		




  
  38
  
    
    '''idempotent'''


  		




  38
  39
  
    
    table = sql_gen.as_Table(table)


  		




  
  40
  
    
    


  		




  
  41
  
    
    if table_nulls_mapped__get(db, table): return # already cleaned up


  		




  
  42
  
    
    


  		




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    cols = filter(lambda c: sql_gen.is_text_col(db, c),


  		




  40
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        sql.table_cols(db, table))


  		




  41
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    try: pkey_col = sql.table_pkey_col(db, table)


  		




  ......




  62
  66
  
    
    


  		




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    db.log_debug('Vacuuming and reanalyzing table', level=1.5)


  		




  64
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    sql.vacuum(db, table)


  		




  
  69
  
    
    


  		




  
  70
  
    
    table_nulls_mapped__set(db, table)


  		




  65
  71
  
    

  		




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##### Error tracking


  		




  67
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