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added PDO-hacked metaTables and metaColumns methods

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zYne 2006-09-02 08:38:03 +00:00
parent 90bd728d81
commit 1d4a59b772
1 changed files with 137 additions and 0 deletions
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137
Doctrine/adodb-hack/drivers/datadict-mysql.inc.php
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@ -178,5 +178,142 @@ class ADODB2_mysql extends ADODB_DataDict {
return $sql;
}
/**
* @param ttype can either be 'VIEW' or 'TABLE' or false.
* If false, both views and tables are returned.
* "VIEW" returns only views
* "TABLE" returns only tables
* @param showSchema returns the schema/user with the table name, eg. USER.TABLE
* @param mask is the input mask - only supported by oci8 and postgresql
*
* @return array of tables for current database.
*/
function &MetaTables($ttype=false,$showSchema=false,$mask=false)
{
$save = $this->metaTablesSQL;
if ($showSchema && is_string($showSchema)) {
$this->metaTablesSQL .= " from $showSchema";
}
if ($mask) {
$mask = $this->connection->qstr($mask);
$this->metaTablesSQL .= " like $mask";
}
$ret =& $this->_MetaTables($ttype,$showSchema);
$this->metaTablesSQL = $save;
return $ret;
}
function &_MetaTables($ttype=false,$showSchema=false,$mask=false)
{
$false = false;
if ($mask) {
return $false;
}
if ($this->metaTablesSQL) {
$rs = $this->connection->query($this->metaTablesSQL);
$arr =& $rs->fetchAll(PDO::FETCH_NUM);
$arr2 = array();
if ($hast = ($ttype && isset($arr[0][1]))) {
$showt = strncmp($ttype,'T',1);
}
for ($i=0; $i < sizeof($arr); $i++) {
if ($hast) {
if ($showt == 0) {
if (strncmp($arr[$i][1],'T',1) == 0) $arr2[] = trim($arr[$i][0]);
} else {
if (strncmp($arr[$i][1],'V',1) == 0) $arr2[] = trim($arr[$i][0]);
}
} else
$arr2[] = trim($arr[$i][0]);
}
$rs->closeCursor();
return $arr2;
}
return $false;
}
/**
* List columns in a database as an array of ADOFieldObjects.
* See top of file for definition of object.
*
* @param table table name to query
* @param upper uppercase table name (required by some databases)
* @schema is optional database schema to use - not supported by all databases.
*
* @return array of ADOFieldObjects for current table.
*/
function MetaColumns($table)
{
$this->_findschema($table,$schema);
if ($schema) {
$dbName = $this->database;
$this->connection->SelectDB($schema);
}
$stmt = $this->connection->query(sprintf($this->metaColumnsSQL,$table));
if ($schema) {
$this->connection->SelectDB($dbName);
}
$retarr = array();
while ($rs = $stmt->fetch(PDO::FETCH_NUM)){
print_r($rs);
$fld = new ADOFieldObject();
$fld->name = $rs[0];
$type = $rs[1];
// split type into type(length):
$fld->scale = null;
if (preg_match("/^(.+)\((\d+),(\d+)/", $type, $query_array)) {
$fld->type = $query_array[1];
$fld->max_length = is_numeric($query_array[2]) ? $query_array[2] : -1;
$fld->scale = is_numeric($query_array[3]) ? $query_array[3] : -1;
} elseif (preg_match("/^(.+)\((\d+)/", $type, $query_array)) {
$fld->type = $query_array[1];
$fld->max_length = is_numeric($query_array[2]) ? $query_array[2] : -1;
} elseif (preg_match("/^(enum)\((.*)\)$/i", $type, $query_array)) {
$fld->type = $query_array[1];
$arr = explode(",",$query_array[2]);
$fld->enums = $arr;
$zlen = max(array_map("strlen",$arr)) - 2; // PHP >= 4.0.6
$fld->max_length = ($zlen > 0) ? $zlen : 1;
} else {
$fld->type = $type;
$fld->max_length = -1;
}
$fld->not_null = ($rs[2] != 'YES');
$fld->primary_key = ($rs[3] == 'PRI');
$fld->auto_increment = (strpos($rs[5], 'auto_increment') !== false);
$fld->binary = (strpos($type,'blob') !== false);
$fld->unsigned = (strpos($type,'unsigned') !== false);
if (!$fld->binary) {
$d = $rs[4];
if ($d != '' && $d != 'NULL') {
$fld->has_default = true;
$fld->default_value = $d;
} else {
$fld->has_default = false;
}
}
if ($save == ADODB_FETCH_NUM) {
$retarr[] = $fld;
} else {
$retarr[strtoupper($fld->name)] = $fld;
}
}
$stmt->closeCursor();
return $retarr;
}
}
?>