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Viewing changes to drizzled/table_proto_write.cc

  • Committer: Brian Aker
  • Date: 2009-11-12 16:13:04 UTC
  • mfrom: (1211.1.7 staging)
  • Revision ID: brian@gaz-20091112161304-opamiauv36fg0n6u
Rollup of Brian, Padraig, and Stewart patches.

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Lines of Context:
drizzled/table_proto_write.cc
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        if (field_arg->decimals != NOT_FIXED_DEC)
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        {
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          drizzled::message::Table::Field::NumericFieldOptions *numeric_field_options;
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          numeric_field_options= attribute->mutable_numeric_options();
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          /* 
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           * Precision and scale are specified like so:
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           *
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           * DOUBLE(P,S)
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           *
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           * From the CreateField, we get the "length", which is the *total* length
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           * of the double storage space, including the decimal point if there is a
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           * scale argument and a 1 byte length header.  We also get the "decimals", 
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           * which is actually the scale (the number of numbers stored after the decimal point)
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           *
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           * Therefore, PRECISION= LENGTH - 1 - (SCALE ? SCALE + 1 : 0)
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           */
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          if (field_arg->decimals)
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            numeric_field_options->set_precision(field_arg->length - 2); /* One for the decimal, one for the header */
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          else
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            numeric_field_options->set_precision(field_arg->length - 1); /* for the header */
 
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          numeric_field_options->set_precision(field_arg->length);
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          numeric_field_options->set_scale(field_arg->decimals);
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        }
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      }
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        break;
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      }
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    case DRIZZLE_TYPE_NEWDECIMAL:
 
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    case DRIZZLE_TYPE_DECIMAL:
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      {
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        message::Table::Field::NumericFieldOptions *numeric_field_options;
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      }
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    }
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    if (field_arg->sql_type != DRIZZLE_TYPE_DECIMAL
 
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        && field_arg->sql_type != DRIZZLE_TYPE_DOUBLE)
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    {
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      message::Table::Field::FieldOptions *field_options;
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      field_options= attribute->mutable_options();