ADOdb

Database Abstraction Layer for PHP

User Tools

Site Tools


v5:dictionary:getcommentsql

getCommentSql

Note that this function is currently only supported on Oracle databases

Syntax
string getCommentSql(
  string $tableName,
  string $columnName
  )

Description

The method getCommentSql() returns a string containing the SQL necessary to read the column comments from a table, if the database supports it.


Usage

/*
* On an Oracle Database
*/
$dict = newDataDictionary($db);
$s = $dict->getCommentSql('mytable','mycolumn');
print $s;
/*
* Prints: SELECT comments 
            FROM USER_COL_COMMENTS 
           WHERE TABLE_NAME='mytable' 
            AND COLUMN_NAME='mycolumn'
*/

Notes

  • Support for this method is limited
  • Special rights may be required to execute the returned SQL
  • If not supported, the method returns false
v5/dictionary/getcommentsql.txt · Last modified: 2017/07/22 18:10 by mnewnham