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mssql_field_type

(PHP 4, PHP 5, PECL odbtp >= 1.1.1)

mssql_field_typeRestituisce il tipo di un campo

Descrizione

string mssql_field_type ( resource $id_risultato [, int $offset ] )
Avviso

Questa funzione, al momento non è documentata; è disponibile soltanto la lista degli argomenti.

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User Contributed Notes 3 notes

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huib at bestia dot com
9 years ago
If you need a more detailed discription of your column type,

This query shows your true datatypes like:

binary => binary
varbinary => varbinary
varchar => varchar
bit => bit
char => char
datetime => datetime
smalldatetime => smalldatetime
decimal => decimal
real => real
float => float
tinyint => tinyint
smallint => smallint
smallmoney => smallmoney
money => money
nchar => nchar
ntext => ntext
text => text
numeric => numeric
nvarchar => nvarchar


SELECT     sysobjects.name AS tableName, syscolumns.name AS columnName, systypes.name AS columnType
FROM         sysobjects INNER JOIN
                      syscolumns ON sysobjects.id = syscolumns.id INNER JOIN
                      systypes ON syscolumns.type = systypes.type AND syscolumns.xusertype = systypes.xusertype
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nicholas at silverorange dot com
9 years ago
The matching returned values for each of the common datatypes are:

binary => blob
varbinary => blob
varchar => char
bit => bit
char => char
datetime => datetime
smalldatetime => datetime
decimal => real
real => real
float => real
tinyint => int
smallint => int
smallmoney => money
money => money
nchar => char
ntext => text
text => text
numeric => numeric
nvarchar => char
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0
rmorales at protel dot net dot mx
11 years ago
Here i have an usable code for all u:

   I wanted to know if a field is nullable or if it's defined as a primary key, here are those functions definitions:

*Aditional Notes:
    if any of the tables are replicated in another database exactly , this code will not work well.

//-----to know if a field is nullable-------
function mssql_field_nullable($ip,$user,$pass,$table,$field)//starting from 1st field
{
      $conn=mssql_connect($ip,$user,$pass)or die;
      mssql_select_db('master');
      $result=mssql_query("SELECT syscolumns.isnullable
FROM sysobjects INNER JOIN
    syscolumns ON sysobjects.id = syscolumns.id WHERE sysobjects.name ='$table' AND syscolumns.isnullable = 1");
      $x=mssql_num_rows($result);
      mssql_close($conn);
      return ($x==1?1:0);

}
//-------to know if a field is a primary key-------
function mssql_field_key($ip,$user,$pass,$table,$field)//starting from 1st field
{
      $conn=mssql_connect($ip,$user,$pass)or die;
      mssql_select_db('master');
      $result=mssql_query("SELECT sysindexkeys.colid FROM sysobjects INNER JOIN sysindexkeys ON sysobjects.id = sysindexkeys.id WHERE sysobjects.name ='$table' AND sysindexkeys.colid = $field");
      $x=mssql_num_rows($result);
      mssql_close($conn);
      return ($x==1?1:0);

}
by R.M.R.A
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