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- Added method listFields to DB_Model

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- Added method fieldExists to DB_Model
This commit is contained in:
Paolo
2017-06-19 12:39:08 +02:00
parent 3ac8d7d604
commit b73bf1dd32
2 changed files with 33 additions and 9 deletions
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application/controllers/api/v1/system/UDF.php
+1 -1
View File
@@ -61,7 +61,7 @@ class UDF extends APIv1_Controller
}
/**
*
* Decode to json the column jsons for every result set
*/
private function _jsonDecodeResult(&$result)
{
application/core/DB_Model.php
+32 -8
View File
@@ -12,7 +12,7 @@ class DB_Model extends FHC_Model
const UDF_FIELD_NAME = 'udf_values';
const UDF_FIELD_TYPE = 'jsonb';
const UDF_FIELD_PREFIX = 'udf_';
const UDF_QUERY_CHECK = 'SELECT * FROM %s WHERE 0 = 1';
const QUERY_LIST_FIELDS = 'SELECT * FROM %s WHERE 0 = 1';
protected $dbTable; // Name of the DB-Table for CI-Insert, -Update, ...
protected $pk; // Name of the PrimaryKey for DB-Update, Load, ...
@@ -664,21 +664,45 @@ class DB_Model extends FHC_Model
}
/**
* Checks if this tables has the field udf_values
* Checks if this table has the field udf_values
*/
public function hasUDF()
{
$hasUDF = true;
return $this->fieldExists(DB_Model::UDF_FIELD_NAME);
}
/**
* Returns an array that contains a list of columns names of this table
*/
public function listFields()
{
$listFields = array();
// Workaround to get metadata from this table
$result = $this->db->query(sprintf(DB_Model::UDF_QUERY_CHECK, $this->dbTable));
// If udf_values is not found in the list of filds of this table
if (array_search(DB_Model::UDF_FIELD_NAME, $result->list_fields()) === false)
$result = $this->db->query(sprintf(DB_Model::QUERY_LIST_FIELDS, $this->dbTable));
if (is_object($result))
{
$hasUDF = false;
$listFields = $result->list_fields();
}
return $hasUDF;
return $listFields;
}
/**
* Checks if this table has a field == $field
*/
public function fieldExists($field)
{
$exists = true;
// If $field is not found in the list of fields of this table
if (array_search($field, $this->listFields()) === false)
{
$exists = false;
}
return $exists;
}
// ----------------------------------------------------------------------------