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  • Committer: Brian Aker
  • Date: 2008-10-06 06:47:29 UTC
  • Revision ID: brian@tangent.org-20081006064729-2i9mhjkzyvow9xsm
Remove uint.

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drizzled/field_conv.cc
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*/
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#include <drizzled/server_includes.h>
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#include <drizzled/error.h>
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#include <drizzled/table.h>
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#include <drizzled/session.h>
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#include <drizzled/field/str.h>
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#include <drizzled/field/longstr.h>
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#include <drizzled/field/num.h>
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#include <drizzled/field/blob.h>
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#include <drizzled/field/enum.h>
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#include <drizzled/field/null.h>
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#include <drizzled/field/date.h>
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#include <drizzled/field/decimal.h>
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#include <drizzled/field/real.h>
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#include <drizzled/field/double.h>
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#include <drizzled/field/long.h>
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#include <drizzled/field/int64_t.h>
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#include <drizzled/field/num.h>
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#include <drizzled/field/timetype.h>
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#include <drizzled/field/timestamp.h>
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#include <drizzled/field/datetime.h>
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#include <drizzled/field/varstring.h>
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static void do_field_eq(Copy_field *copy)
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{
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}
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static void do_skip(Copy_field *)
 
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static void do_skip(Copy_field *copy __attribute__((unused)))
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{
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}
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  const unsigned char *from_end= copy->from_ptr + copy->from_length;
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  uint32_t copy_length= cs->cset->well_formed_len(cs,
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                                              (char*) copy->from_ptr,
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                                              (char*) from_end,
 
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                                              (char*) from_end, 
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                                              copy->to_length / cs->mbmaxlen,
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                                              &well_formed_error);
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  if (copy->to_length < copy_length)
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                                         to_char_length, &well_formed_error);
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  if (length < from_length)
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  {
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    if (current_session->count_cuted_fields)
 
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    if (current_thd->count_cuted_fields)
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      copy->to_field->set_warning(DRIZZLE_ERROR::WARN_LEVEL_WARN,
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                                  ER_WARN_DATA_TRUNCATED, 1);
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  }
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                                         char_length, &well_formed_error);
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  if (length < from_length)
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  {
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    if (current_session->count_cuted_fields)
 
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    if (current_thd->count_cuted_fields)
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      copy->to_field->set_warning(DRIZZLE_ERROR::WARN_LEVEL_WARN,
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                                  ER_WARN_DATA_TRUNCATED, 1);
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  }
 
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  }  
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  int2store(copy->to_ptr, length);
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  memcpy(copy->to_ptr+HA_KEY_BLOB_LENGTH, from_beg, length);
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}
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/***************************************************************************
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** The different functions that fills in a Copy_field class
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/*
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  To do:
 
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  To do: 
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  If 'save\ is set to true and the 'from' is a blob field, do_copy is set to
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  do_save_blob rather than do_conv_blob.  The only differences between them
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  appears to be:
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  - do_save_blob allocates and uses an intermediate buffer before calling
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    Field_blob::store. Is this in order to trigger the call to
 
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  - do_save_blob allocates and uses an intermediate buffer before calling 
 
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    Field_blob::store. Is this in order to trigger the call to 
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    well_formed_copy_nchars, by changing the pointer copy->tmp.ptr()?
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    That call will take place anyway in all known cases.
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  - The above causes a truncation to MAX_FIELD_WIDTH. Is this the intended
 
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  - The above causes a truncation to MAX_FIELD_WIDTH. Is this the intended 
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    effect? Truncation is handled by well_formed_copy_nchars anyway.
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 */
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void Copy_field::set(Field *to,Field *from,bool save)
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      */
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      if (to->real_type() != from->real_type() ||
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          !compatible_db_low_byte_first ||
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          (((to->table->in_use->variables.sql_mode & (MODE_NO_ZERO_DATE | MODE_INVALID_DATES)) && to->type() == DRIZZLE_TYPE_DATE) || to->type() == DRIZZLE_TYPE_DATETIME))
 
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          (((to->table->in_use->variables.sql_mode & (MODE_NO_ZERO_DATE | MODE_INVALID_DATES)) && to->type() == DRIZZLE_TYPE_NEWDATE) || to->type() == DRIZZLE_TYPE_DATETIME))
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      {
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        if (from->real_type() == DRIZZLE_TYPE_ENUM)
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          if (to->result_type() != STRING_RESULT)
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      !(to->type() == DRIZZLE_TYPE_BLOB && to->table->copy_blobs))
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  {
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    /* Please god, will someone rewrite this to be readable :( */
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    if (to->pack_length() == from->pack_length() &&
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        !(to->flags & UNSIGNED_FLAG && !(from->flags & UNSIGNED_FLAG)) &&
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        to->real_type() != DRIZZLE_TYPE_ENUM &&
 
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    if (to->pack_length() == from->pack_length() && 
 
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        !(to->flags & UNSIGNED_FLAG && !(from->flags & UNSIGNED_FLAG)) && 
 
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        to->real_type() != DRIZZLE_TYPE_ENUM && 
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        (to->real_type() != DRIZZLE_TYPE_NEWDECIMAL || (to->field_length == from->field_length && (((Field_num*)to)->dec == ((Field_num*)from)->dec))) &&
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        from->charset() == to->charset() &&
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        to->table->s->db_low_byte_first == from->table->s->db_low_byte_first &&
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        (!(to->table->in_use->variables.sql_mode & (MODE_NO_ZERO_DATE | MODE_INVALID_DATES)) || (to->type() != DRIZZLE_TYPE_DATE && to->type() != DRIZZLE_TYPE_DATETIME)) &&
 
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        (!(to->table->in_use->variables.sql_mode & (MODE_NO_ZERO_DATE | MODE_INVALID_DATES)) || (to->type() != DRIZZLE_TYPE_NEWDATE && to->type() != DRIZZLE_TYPE_DATETIME)) && 
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        (from->real_type() != DRIZZLE_TYPE_VARCHAR || ((Field_varstring*)from)->length_bytes == ((Field_varstring*)to)->length_bytes))
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    {                                           // Identical fields
 
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#ifdef HAVE_purify
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      /* This may happen if one does 'UPDATE ... SET x=x' */
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      if (to->ptr != from->ptr)
 
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#endif
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        memcpy(to->ptr,from->ptr,to->pack_length());
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      return 0;
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    }