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Add DB\IO get prepare cursor array entries

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This commit is contained in:
Clemens Schwaighofer
2023-01-05 17:26:26 +09:00
parent 98c6033c75
commit 5a0b09a916
3 changed files with 227 additions and 7 deletions
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5
www/admin/class_test.db.php
View File

@@ -145,6 +145,11 @@ print "PREPARE INSERT[ins_test_foo] STATUS: " . Support::printToString($status)
print "PREPARE INSERT PREVIOUS INSERTED: "
. print_r($db->dbReturnRow("SELECT test_foo_id, test FROM test_foo "
. "WHERE test_foo_id = " . $db->dbGetInsertPK()), true) . "<br>";
print "PREPARE CURSOR RETURN:<br>";
foreach (['pk_name', 'count', 'query', 'returning_id'] as $key) {
print "KEY: " . $key . ': ' . $db->dbGetPrepareCursorValue('ins_test_foo', $key) . "<br>";
}
// returning test with multiple entries
// $status = $db->db_exec(
// "INSERT INTO test_foo (test) VALUES "

59
www/lib/CoreLibs/DB/IO.php
View File

@@ -452,6 +452,11 @@ class IO
'71' => 'Failed to set search path/schema',
'80' => 'Trying to set an empty encoding',
'81' => 'Failed to set client encoding',
// for prepared cursor return
'101' => 'Statement name empty for get prepare cursor',
'102' => 'Key empty for get prepare cursir',
'103' => 'No prepared cursor with this name',
'104' => 'No Key with this name in the prepared cursor array'
];
// load the core DB functions wrapper class
@@ -3066,6 +3071,60 @@ class IO
return $this->field_names;
}
/**
* Returns the value for given key in statement
* Will write error if statemen id does not exist
* or key is invalid
*
* @param string $stm_name The name of the stored statement
* @param string $key Key field name in prepared cursor array
* Allowed are: pk_name, count, query, returning_id
* @return null|string|int|bool Entry from each of the valid keys
* Will return false on error
* Not ethat returnin_id also can return false
* but will not set an error entry
*/
public function dbGetPrepareCursorValue(string $stm_name, string $key)
{
// if no statement name
if (empty($stm_name)) {
$this->__dbError(
101,
false,
'No statement name given'
);
return false;
}
// if not a valid key
if (!in_array($key, ['pk_name', 'count', 'query', 'returning_id'])) {
$this->__dbError(
102,
false,
'Invalid key name'
);
return false;
}
// statement name not in prepared list
if (empty($this->prepare_cursor[$stm_name])) {
$this->__dbError(
103,
false,
'Statement name does not exist in prepare cursor array'
);
return false;
}
// key doest not exists, this will never hit as we filter out invalid ones
if (!isset($this->prepare_cursor[$stm_name][$key])) {
$this->__dbError(
104,
false,
'Key does not exist in prepare cursor array'
);
return false;
}
return $this->prepare_cursor[$stm_name][$key];
}
// ***************************
// ERROR AND WARNING DATA
// ***************************