From 01c102f66a70927b7affb79c10e399851411ff3f Mon Sep 17 00:00:00 2001
From: Laurent Destailleur <eldy@users.sourceforge.net>
Date: Tue, 8 Mar 2011 10:33:43 +0000
Subject: [PATCH] Add function DDLUpdateField

---
 htdocs/lib/databases/mssql.lib.php  | 19 +++++++++++++++++++
 htdocs/lib/databases/mysql.lib.php  | 20 ++++++++++++++++++++
 htdocs/lib/databases/mysqli.lib.php | 19 +++++++++++++++++++
 htdocs/lib/databases/pgsql.lib.php  | 20 ++++++++++++++++++++
 4 files changed, 78 insertions(+)

diff --git a/htdocs/lib/databases/mssql.lib.php b/htdocs/lib/databases/mssql.lib.php
index caf70c9f474..75cfc56bf7f 100644
--- a/htdocs/lib/databases/mssql.lib.php
+++ b/htdocs/lib/databases/mssql.lib.php
@@ -911,7 +911,26 @@ class DoliDb
 		return 1;
 	}
 
+	/**
+	 *	Update format of a field into a table
+	 *	@param	    table 			Name of table
+	 *	@param		field_name 		Name of field to modify
+	 *	@param	    field_desc 		Array with description of field format
+	 *	@return	    int				<0 if KO, >0 if OK
+	 */
+	function DDLUpdateField($table,$field_name,$field_desc)
+	{
+		$sql = "ALTER TABLE ".MAIN_DB_PREFIX.$table;
+		$sql .= " MODIFY COLUMN ".$field_name." ".$field_desc['type'];
+		if ($field_desc['type'] == 'int' || $field_desc['type'] == 'varchar') $sql.="(".$field_desc['value'].")";
 
+		dol_syslog($sql,LOG_DEBUG);
+		if (! $this->query($sql))
+		return -1;
+		else
+		return 1;
+	}
+	
 	/**
 	 *	\brief      Drop a field in table
 	 *	\param	    table 			Nom de la table
diff --git a/htdocs/lib/databases/mysql.lib.php b/htdocs/lib/databases/mysql.lib.php
index bbfe0ae9c1e..13270452c79 100644
--- a/htdocs/lib/databases/mysql.lib.php
+++ b/htdocs/lib/databases/mysql.lib.php
@@ -974,6 +974,26 @@ class DoliDb
 		return 1;
 	}
 
+	/**
+	 *	Update format of a field into a table
+	 *	@param	    table 			Name of table
+	 *	@param		field_name 		Name of field to modify
+	 *	@param	    field_desc 		Array with description of field format
+	 *	@return	    int				<0 if KO, >0 if OK
+	 */
+	function DDLUpdateField($table,$field_name,$field_desc)
+	{
+		$sql = "ALTER TABLE ".MAIN_DB_PREFIX.$table;
+		$sql .= " MODIFY COLUMN ".$field_name." ".$field_desc['type'];
+		if ($field_desc['type'] == 'int' || $field_desc['type'] == 'varchar') $sql.="(".$field_desc['value'].")";
+
+		dol_syslog($sql,LOG_DEBUG);
+		if (! $this->query($sql))
+		return -1;
+		else
+		return 1;
+	}
+	
 	/**
 	 *	\brief      Drop a field in table
 	 *	\param	    table 			Nom de la table
diff --git a/htdocs/lib/databases/mysqli.lib.php b/htdocs/lib/databases/mysqli.lib.php
index bec39976c52..c13d6b510c8 100644
--- a/htdocs/lib/databases/mysqli.lib.php
+++ b/htdocs/lib/databases/mysqli.lib.php
@@ -986,7 +986,26 @@ class DoliDb
 		return 1;
 	}
 
+	/**
+	 *	Update format of a field into a table
+	 *	@param	    table 			Name of table
+	 *	@param		field_name 		Name of field to modify
+	 *	@param	    field_desc 		Array with description of field format
+	 *	@return	    int				<0 if KO, >0 if OK
+	 */
+	function DDLUpdateField($table,$field_name,$field_desc)
+	{
+		$sql = "ALTER TABLE ".MAIN_DB_PREFIX.$table;
+		$sql .= " MODIFY COLUMN ".$field_name." ".$field_desc['type'];
+		if ($field_desc['type'] == 'int' || $field_desc['type'] == 'varchar') $sql.="(".$field_desc['value'].")";
 
+		dol_syslog($sql,LOG_DEBUG);
+		if (! $this->query($sql))
+		return -1;
+		else
+		return 1;
+	}	
+	
 	/**
 	 *	\brief      Drop a field in table
 	 *	\param	    table 			Nom de la table
diff --git a/htdocs/lib/databases/pgsql.lib.php b/htdocs/lib/databases/pgsql.lib.php
index f0906c17822..d7038545aa1 100644
--- a/htdocs/lib/databases/pgsql.lib.php
+++ b/htdocs/lib/databases/pgsql.lib.php
@@ -1116,6 +1116,26 @@ class DoliDb
 		return 1;
 	}
 
+	/**
+	 *	Update format of a field into a table
+	 *	@param	    table 			Name of table
+	 *	@param		field_name 		Name of field to modify
+	 *	@param	    field_desc 		Array with description of field format
+	 *	@return	    int				<0 if KO, >0 if OK
+	 */
+	function DDLUpdateField($table,$field_name,$field_desc)
+	{
+		$sql = "ALTER TABLE ".MAIN_DB_PREFIX.$table;
+		$sql .= " MODIFY COLUMN ".$field_name." ".$field_desc['type'];
+		if ($field_desc['type'] == 'int' || $field_desc['type'] == 'varchar') $sql.="(".$field_desc['value'].")";
+
+		dol_syslog($sql,LOG_DEBUG);
+		if (! $this->query($sql))
+		return -1;
+		else
+		return 1;
+	}
+	
 	/**
 	 *	\brief      Drop a field in table
 	 *	\param	    table 			Nom de la table