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Precision Math implementation

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This commit is contained in:
hf@deer.(none)
2005-02-09 02:50:45 +04:00
parent 6e6daf8189
commit b94a482ee9
104 changed files with 9131 additions and 1730 deletions
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27
sql/sql_parse.cc
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@@ -2527,7 +2527,8 @@ mysql_execute_command(THD *thd)
goto error;
/* PURGE MASTER LOGS BEFORE 'data' */
it= (Item *)lex->value_list.head();
if (it->check_cols(1) || it->fix_fields(lex->thd, 0, &it))
if ((!it->fixed &&it->fix_fields(lex->thd, 0, &it)) ||
it->check_cols(1))
{
my_error(ER_WRONG_ARGUMENTS, MYF(0), "PURGE LOGS BEFORE");
goto error;
@@ -3746,7 +3747,7 @@ unsent_create_error:
{
Item *it= (Item *)lex->value_list.head();
if (it->fix_fields(lex->thd, 0, &it) || it->check_cols(1))
if ((!it->fixed && it->fix_fields(lex->thd, 0, &it)) || it->check_cols(1))
{
my_message(ER_SET_CONSTANTS_ONLY, ER(ER_SET_CONSTANTS_ONLY),
MYF(0));
@@ -5070,21 +5071,19 @@ bool add_field_to_list(THD *thd, char *field_name, enum_field_types type,
break;
case FIELD_TYPE_NULL:
break;
case FIELD_TYPE_DECIMAL:
case FIELD_TYPE_NEWDECIMAL:
if (!length)
{
if ((new_field->length= new_field->decimals))
new_field->length++;
else
if (!(new_field->length= new_field->decimals))
new_field->length= 10; // Default length for DECIMAL
}
if (new_field->length < MAX_FIELD_WIDTH) // Skip wrong argument
{
new_field->length+=sign_len;
if (new_field->decimals)
new_field->length++;
}
break;
new_field->pack_length=
my_decimal_get_binary_size(new_field->length, new_field->decimals);
if (new_field->length <= DECIMAL_MAX_LENGTH &&
new_field->length >= new_field->decimals)
break;
my_error(ER_WRONG_FIELD_SPEC, MYF(0), field_name);
DBUG_RETURN(1);
case MYSQL_TYPE_VARCHAR:
/*
Long VARCHAR's are automaticly converted to blobs in mysql_prepare_table
@@ -5270,6 +5269,8 @@ bool add_field_to_list(THD *thd, char *field_name, enum_field_types type,
new_field->pack_length= (new_field->length + 7) / 8;
break;
}
case FIELD_TYPE_DECIMAL:
DBUG_ASSERT(0); /* Was obsolete */
}
if (!(new_field->flags & BLOB_FLAG) &&