AuditDataLayer::createAuditTrigger() - Code Metrics - Inspection of "Audit flag can be null." - SetBased/php-audit - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 1f7a6d...d6c443 )

by P.R.

created 2019-09-09 14:16 UTC

AuditDataLayer::createAuditTrigger() A

↳ Parent: AuditDataLayer

Complexity

Conditions	1
Paths	1

Size

Total Lines	22
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	12
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	11
nc	1
nop	9
dl	0
loc	22
ccs	12
cts	12
cp	1
crap	1
rs	9.9
c	0
b	0
f	0

How to fix Many Parameters

<?php
declare(strict_types=1);

namespace SetBased\Audit\MySql;

use SetBased\Audit\Metadata\TableColumnsMetadata;
use SetBased\Audit\MySql\Sql\AlterAuditTableAddColumns;
use SetBased\Audit\MySql\Sql\CreateAuditTable;
use SetBased\Audit\MySql\Sql\CreateAuditTrigger;
use SetBased\Audit\Style\AuditStyle;
use SetBased\Helper\CodeStore\MySqlCompoundSyntaxCodeStore;
use SetBased\Stratum\BulkHandler;
use SetBased\Stratum\Helper\RowSetHelper;
use SetBased\Stratum\MySql\StaticDataLayer;

/**
 * Class for executing SQL statements and retrieving metadata from MySQL.
 */
class AuditDataLayer extends StaticDataLayer
{
  //--------------------------------------------------------------------------------------------------------------------
  /**
   * The Output decorator.
   *
   * @var AuditStyle
   */
  private static $io;

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Adds new columns to an audit table.
   *
   * @param string               $auditSchemaName The name of audit schema.
   * @param string               $tableName       The name of the table.
   * @param TableColumnsMetadata $columns         The metadata of the new columns.
   */
  public static function addNewColumns(string $auditSchemaName, string $tableName, TableColumnsMetadata $columns): void
  {
    $helper = new AlterAuditTableAddColumns($auditSchemaName, $tableName, $columns);
    $sql    = $helper->buildStatement();

    static::executeNone($sql);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Creates an audit table.
   *
   * @param string               $dataSchemaName  The name of the data schema.
   * @param string               $auditSchemaName The name of the audit schema.
   * @param string               $tableName       The name of the table.
   * @param TableColumnsMetadata $columns         The metadata of the columns of the audit table (i.e. the audit
   *                                              columns and columns of the data table).
   */
  public static function createAuditTable(string $dataSchemaName,
                                          string $auditSchemaName,
                                          string $tableName,
                                          TableColumnsMetadata $columns): void
  {
    $helper = new CreateAuditTable($dataSchemaName, $auditSchemaName, $tableName, $columns);
    $sql    = $helper->buildStatement();

    static::executeNone($sql);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Creates a trigger on a table.
   *
   * @param string               $dataSchemaName         The name of the data schema.
   * @param string               $auditSchemaName        The name of the audit schema.
   * @param string               $tableName              The name of the table.
   * @param string               $triggerAction          The trigger action (i.e. INSERT, UPDATE, or DELETE).
   * @param string               $triggerName            The name of the trigger.
   * @param TableColumnsMetadata $additionalAuditColumns The metadata of the additional audit columns.
   * @param TableColumnsMetadata $tableColumns           The metadata of the data table columns.
   * @param string|null          $skipVariable           The skip variable.
   * @param string[]             $additionSql            Additional SQL statements.
   */
  public static function createAuditTrigger(string $dataSchemaName,
                                            string $auditSchemaName,
                                            string $tableName,
                                            string $triggerName,
                                            string $triggerAction,
                                            TableColumnsMetadata $additionalAuditColumns,
                                            TableColumnsMetadata $tableColumns,
                                            ?string $skipVariable,
                                            array $additionSql): void
  {
    $helper = new CreateAuditTrigger($dataSchemaName,
                                     $auditSchemaName,
                                     $tableName,
                                     $triggerName,
                                     $triggerAction,
                                     $additionalAuditColumns,
                                     $tableColumns,
                                     $skipVariable,
                                     $additionSql);
    $sql    = $helper->buildStatement();

    static::executeNone($sql);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Creates a temporary table for getting column type information for audit columns.
   *
   * @param string  $schemaName   The name of the table schema.
   * @param string  $tableName    The table name.
   * @param array[] $auditColumns Audit columns from config file.
   */
  public static function createTemporaryTable(string $schemaName, string $tableName, array $auditColumns): void
  {
    $sql = new MySqlCompoundSyntaxCodeStore();
    $sql->append(sprintf('create table `%s`.`%s` (', $schemaName, $tableName));
    foreach ($auditColumns as $column)
    {
      $sql->append(sprintf('%s %s', $column['column_name'], $column['column_type']));
      if (end($auditColumns)!==$column)
      {
        $sql->appendToLastLine(',');
      }
    }
    $sql->append(')');

    static::executeNone($sql->getCode());
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Drops a temporary table.
   *
   * @param string $schemaName The name of the table schema.
   * @param string $tableName  The name of the table.
   */
  public static function dropTemporaryTable(string $schemaName, string $tableName): void
  {
    $sql = sprintf('drop table `%s`.`%s`', $schemaName, $tableName);

    static::executeNone($sql);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Drops a trigger.
   *
   * @param string $triggerSchema The name of the trigger schema.
   * @param string $triggerName   The mame of trigger.
   */
  public static function dropTrigger(string $triggerSchema, string $triggerName): void
  {
    $sql = sprintf('drop trigger `%s`.`%s`', $triggerSchema, $triggerName);

    static::executeNone($sql);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * @inheritdoc
   */
  public static function executeBulk(BulkHandler $bulkHandler, string $query): void
  {
    static::logQuery($query);

    parent::executeBulk($bulkHandler, $query);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * @inheritdoc
   */
  public static function executeMulti(string $queries): array
  {
    static::logQuery($queries);

    return parent::executeMulti($queries);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * @inheritdoc
   */
  public static function executeNone(string $query): int
  {
    static::logQuery($query);

    return parent::executeNone($query);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * @inheritdoc
   */
  public static function executeRow0(string $query): ?array
  {
    static::logQuery($query);

    return parent::executeRow0($query);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * @inheritdoc
   */
  public static function executeRow1(string $query): array
  {
    static::logQuery($query);

    return parent::executeRow1($query);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * @inheritdoc
   */
  public static function executeRows(string $query): array
  {
    static::logQuery($query);

    return parent::executeRows($query);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * @inheritdoc
   */
  public static function executeSingleton0(string $query)
  {
    static::logQuery($query);

    return parent::executeSingleton0($query);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * @inheritdoc
   */
  public static function executeSingleton1(string $query)
  {
    static::logQuery($query);

    return parent::executeSingleton1($query);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * @inheritdoc
   */
  public static function executeTable(string $query): int
  {
    static::logQuery($query);

    return parent::executeTable($query);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Selects metadata of all columns of table.
   *
   * @param string $schemaName The name of the table schema.
   * @param string $tableName  The name of the table.
   *
   * @return array[]
   */
  public static function getTableColumns(string $schemaName, string $tableName): array
  {
    // When a column has no default prior to MariaDB 10.2.7 column_default is null from MariaDB 10.2.7
    // column_default = 'NULL' (string(4)).
    $sql = sprintf("
select COLUMN_NAME                    as column_name
,      COLUMN_TYPE                    as column_type
,      ifnull(COLUMN_DEFAULT, 'NULL') as column_default 
,      IS_NULLABLE                    as is_nullable
,      CHARACTER_SET_NAME             as character_set_name
,      COLLATION_NAME                 as collation_name
from   information_schema.COLUMNS
where  TABLE_SCHEMA = %s
and    TABLE_NAME   = %s
order by ORDINAL_POSITION",
                   static::quoteString($schemaName),
                   static::quoteString($tableName));

    return static::executeRows($sql);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Selects table engine, character_set_name and table_collation.
   *
   * @param string $schemaName The name of the table schema.
   * @param string $tableName  The name of the table.
   *
   * @return array
   */
  public static function getTableOptions(string $schemaName, string $tableName): array
  {
    $sql = sprintf('
select t1.TABLE_SCHEMA       as table_schema
,      t1.TABLE_NAME         as table_name
,      t1.TABLE_COLLATION    as table_collation
,      t1.ENGINE             as engine
,      t2.CHARACTER_SET_NAME as character_set_name
from       information_schema.TABLES                                t1
inner join information_schema.COLLATION_CHARACTER_SET_APPLICABILITY t2  on  t2.COLLATION_NAME = t1.TABLE_COLLATION
where t1.TABLE_SCHEMA = %s
and   t1.TABLE_NAME   = %s',
                   static::quoteString($schemaName),
                   static::quoteString($tableName));

    return static::executeRow1($sql);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Selects all triggers on a table.
   *
   * @param string $schemaName The name of the table schema.
   * @param string $tableName  The name of the table.
   *
   * @return array[]
   */
  public static function getTableTriggers(string $schemaName, string $tableName): array
  {
    $sql = sprintf('
select TRIGGER_NAME as trigger_name
from   information_schema.TRIGGERS
where  TRIGGER_SCHEMA     = %s
and    EVENT_OBJECT_TABLE = %s
order by Trigger_Name',
                   static::quoteString($schemaName),
                   static::quoteString($tableName));

    return static::executeRows($sql);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Selects all table names in a schema.
   *
   * @param string $schemaName The name of the schema.
   *
   * @return array[]
   */
  public static function getTablesNames(string $schemaName): array
  {
    $sql = sprintf("
select TABLE_NAME as table_name
from   information_schema.TABLES
where  TABLE_SCHEMA = %s
and    TABLE_TYPE   = 'BASE TABLE'
order by TABLE_NAME", static::quoteString($schemaName));

    return static::executeRows($sql);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Selects all triggers in a schema
   *
   * @param string $schemaName The name of the table schema.
   *
   * @return array[]
   */
  public static function getTriggers(string $schemaName): array
  {
    $sql = sprintf('
select EVENT_OBJECT_TABLE as table_name
,      TRIGGER_NAME       as trigger_name
from   information_schema.TRIGGERS
where  TRIGGER_SCHEMA     = %s
order by EVENT_OBJECT_TABLE
,        TRIGGER_NAME',
                   static::quoteString($schemaName));

    return static::executeRows($sql);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Acquires a write lock on a table.
   *
   * @param string $schemaName The schema of the table.
   * @param string $tableName  The table name.
   */
  public static function lockTable(string $schemaName, string $tableName): void
  {
    $sql = sprintf('lock tables `%s`.`%s` write', $schemaName, $tableName);

    static::executeNone($sql);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Resolves the canonical column types of the additional audit columns.
   *
   * @param string  $auditSchema            The name of the audit schema.
   * @param array[] $additionalAuditColumns The metadata of the additional audit columns.
   *
   * @return TableColumnsMetadata
   */
  public static function resolveCanonicalAdditionalAuditColumns(string $auditSchema,
                                                                array $additionalAuditColumns): TableColumnsMetadata
  {
    if (empty($additionalAuditColumns))
    {
      return new TableColumnsMetadata([], 'AuditColumnMetadata');
    }

    $tableName = '_TMP_'.uniqid();
    static::createTemporaryTable($auditSchema, $tableName, $additionalAuditColumns);
    $columns = AuditDataLayer::getTableColumns($auditSchema, $tableName);
    static::dropTemporaryTable($auditSchema, $tableName);

    foreach ($additionalAuditColumns as $column)
    {
      $key = RowSetHelper::findInRowSet($columns, 'column_name', $column['column_name']);

      if (isset($column['value_type']))
      {
        $columns[$key]['value_type'] = $column['value_type'];
      }
      if (isset($column['expression']))
      {
        $columns[$key]['expression'] = $column['expression'];
      }
    }

    return new TableColumnsMetadata($columns, 'AuditColumnMetadata');
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Sets the Output decorator.
   *
   * @param AuditStyle $io The Output decorator.
   */
  public static function setIo(AuditStyle $io)
  {
    self::$io = $io;
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Releases all table locks.
   */
  public static function unlockTables(): void
  {
    $sql = 'unlock tables';

    static::executeNone($sql);
  }

  //--------------------------------------------------------------------------------------------------------------------
  /**
   * Logs the query on the console.
   *
   * @param string $query The query.
   */
  private static function logQuery(string $query): void
  {
    $query = trim($query);

    if (strpos($query, "\n")!==false)
    {
      // Query is a multi line query.
      self::$io->logVeryVerbose('Executing query:');
      self::$io->logVeryVerbose('<sql>%s</sql>', $query);
    }
    else
    {
      // Query is a single line query.
      self::$io->logVeryVerbose('Executing query: <sql>%s</sql>', $query);
    }
  }

  //--------------------------------------------------------------------------------------------------------------------
}

//----------------------------------------------------------------------------------------------------------------------


1		<?php
2		declare(strict_types=1);
3
4		namespace SetBased\Audit\MySql;
5
6		use SetBased\Audit\Metadata\TableColumnsMetadata;
7		use SetBased\Audit\MySql\Sql\AlterAuditTableAddColumns;
8		use SetBased\Audit\MySql\Sql\CreateAuditTable;
9		use SetBased\Audit\MySql\Sql\CreateAuditTrigger;
10		use SetBased\Audit\Style\AuditStyle;
11		use SetBased\Helper\CodeStore\MySqlCompoundSyntaxCodeStore;
12		use SetBased\Stratum\BulkHandler;
13		use SetBased\Stratum\Helper\RowSetHelper;
14		use SetBased\Stratum\MySql\StaticDataLayer;
15
16		/**
17		* Class for executing SQL statements and retrieving metadata from MySQL.
18		*/
19		class AuditDataLayer extends StaticDataLayer
20		{
21		//--------------------------------------------------------------------------------------------------------------------
22		/**
23		* The Output decorator.
24		*
25		* @var AuditStyle
26		*/
27		private static $io;
28
29		//--------------------------------------------------------------------------------------------------------------------
30		/**
31		* Adds new columns to an audit table.
32		*
33		* @param string $auditSchemaName The name of audit schema.
34		* @param string $tableName The name of the table.
35		* @param TableColumnsMetadata $columns The metadata of the new columns.
36		*/
37	2	public static function addNewColumns(string $auditSchemaName, string $tableName, TableColumnsMetadata $columns): void
38		{
39	2	$helper = new AlterAuditTableAddColumns($auditSchemaName, $tableName, $columns);
40	2	$sql = $helper->buildStatement();
41
42	2	static::executeNone($sql);
43	2	}
44
45		//--------------------------------------------------------------------------------------------------------------------
46		/**
47		* Creates an audit table.
48		*
49		* @param string $dataSchemaName The name of the data schema.
50		* @param string $auditSchemaName The name of the audit schema.
51		* @param string $tableName The name of the table.
52		* @param TableColumnsMetadata $columns The metadata of the columns of the audit table (i.e. the audit
53		* columns and columns of the data table).
54		*/
55	25	public static function createAuditTable(string $dataSchemaName,
56		string $auditSchemaName,
57		string $tableName,
58		TableColumnsMetadata $columns): void
59		{
60	25	$helper = new CreateAuditTable($dataSchemaName, $auditSchemaName, $tableName, $columns);
61	25	$sql = $helper->buildStatement();
62
63	25	static::executeNone($sql);
64	25	}
65
66		//--------------------------------------------------------------------------------------------------------------------
67		/**
68		* Creates a trigger on a table.
69		*
70		* @param string $dataSchemaName The name of the data schema.
71		* @param string $auditSchemaName The name of the audit schema.
72		* @param string $tableName The name of the table.
73		* @param string $triggerAction The trigger action (i.e. INSERT, UPDATE, or DELETE).
74		* @param string $triggerName The name of the trigger.
75		* @param TableColumnsMetadata $additionalAuditColumns The metadata of the additional audit columns.
76		* @param TableColumnsMetadata $tableColumns The metadata of the data table columns.
77		* @param string\|null $skipVariable The skip variable.
78		* @param string[] $additionSql Additional SQL statements.
79		*/
80	28	public static function createAuditTrigger(string $dataSchemaName,
81		string $auditSchemaName,
82		string $tableName,
83		string $triggerName,
84		string $triggerAction,
85		TableColumnsMetadata $additionalAuditColumns,
86		TableColumnsMetadata $tableColumns,
87		?string $skipVariable,
88		array $additionSql): void
89		{
90	28	$helper = new CreateAuditTrigger($dataSchemaName,
91	28	$auditSchemaName,
92	28	$tableName,
93	28	$triggerName,
94	28	$triggerAction,
95	28	$additionalAuditColumns,
96	28	$tableColumns,
97	28	$skipVariable,
98	28	$additionSql);
99	28	$sql = $helper->buildStatement();
100
101	28	static::executeNone($sql);
102	28	}
103
104		//--------------------------------------------------------------------------------------------------------------------
105		/**
106		* Creates a temporary table for getting column type information for audit columns.
107		*
108		* @param string $schemaName The name of the table schema.
109		* @param string $tableName The table name.
110		* @param array[] $auditColumns Audit columns from config file.
111		*/
112	19	public static function createTemporaryTable(string $schemaName, string $tableName, array $auditColumns): void
113		{
114	19	$sql = new MySqlCompoundSyntaxCodeStore();
115	19	$sql->append(sprintf('create table `%s`.`%s` (', $schemaName, $tableName));
116	19	foreach ($auditColumns as $column)
117		{
118	19	$sql->append(sprintf('%s %s', $column['column_name'], $column['column_type']));
119	19	if (end($auditColumns)!==$column)
120		{
121	19	$sql->appendToLastLine(',');
122		}
123		}
124	19	$sql->append(')');
125
126	19	static::executeNone($sql->getCode());
127	19	}
128
129		//--------------------------------------------------------------------------------------------------------------------
130		/**
131		* Drops a temporary table.
132		*
133		* @param string $schemaName The name of the table schema.
134		* @param string $tableName The name of the table.
135		*/
136	19	public static function dropTemporaryTable(string $schemaName, string $tableName): void
137		{
138	19	$sql = sprintf('drop table `%s`.`%s`', $schemaName, $tableName);
139
140	19	static::executeNone($sql);
141	19	}
142
143		//--------------------------------------------------------------------------------------------------------------------
144		/**
145		* Drops a trigger.
146		*
147		* @param string $triggerSchema The name of the trigger schema.
148		* @param string $triggerName The mame of trigger.
149		*/
150	10	public static function dropTrigger(string $triggerSchema, string $triggerName): void
151		{
152	10	$sql = sprintf('drop trigger `%s`.`%s`', $triggerSchema, $triggerName);
153
154	10	static::executeNone($sql);
155	10	}
156
157		//--------------------------------------------------------------------------------------------------------------------
158		/**
159		* @inheritdoc
160		*/
161		public static function executeBulk(BulkHandler $bulkHandler, string $query): void
162		{
163		static::logQuery($query);
164
165		parent::executeBulk($bulkHandler, $query);
166		}
167
168		//--------------------------------------------------------------------------------------------------------------------
169		/**
170		* @inheritdoc
171		*/
172		public static function executeMulti(string $queries): array
173		{
174		static::logQuery($queries);
175
176		return parent::executeMulti($queries);
177		}
178
179		//--------------------------------------------------------------------------------------------------------------------
180		/**
181		* @inheritdoc
182		*/
183	28	public static function executeNone(string $query): int
184		{
185	28	static::logQuery($query);
186
187	28	return parent::executeNone($query);
188		}
189
190		//--------------------------------------------------------------------------------------------------------------------
191		/**
192		* @inheritdoc
193		*/
194		public static function executeRow0(string $query): ?array
195		{
196		static::logQuery($query);
197
198		return parent::executeRow0($query);
199		}
200
201		//--------------------------------------------------------------------------------------------------------------------
202		/**
203		* @inheritdoc
204		*/
205	25	public static function executeRow1(string $query): array
206		{
207	25	static::logQuery($query);
208
209	25	return parent::executeRow1($query);
210		}
211
212		//--------------------------------------------------------------------------------------------------------------------
213		/**
214		* @inheritdoc
215		*/
216	29	public static function executeRows(string $query): array
217		{
218	29	static::logQuery($query);
219
220	29	return parent::executeRows($query);
221		}
222
223		//--------------------------------------------------------------------------------------------------------------------
224		/**
225		* @inheritdoc
226		*/
227		public static function executeSingleton0(string $query)
228		{
229		static::logQuery($query);
230
231		return parent::executeSingleton0($query);
232		}
233
234		//--------------------------------------------------------------------------------------------------------------------
235		/**
236		* @inheritdoc
237		*/
238		public static function executeSingleton1(string $query)
239		{
240		static::logQuery($query);
241
242		return parent::executeSingleton1($query);
243		}
244
245		//--------------------------------------------------------------------------------------------------------------------
246		/**
247		* @inheritdoc
248		*/
249		public static function executeTable(string $query): int
250		{
251		static::logQuery($query);
252
253		return parent::executeTable($query);
254		}
255
256		//--------------------------------------------------------------------------------------------------------------------
257		/**
258		* Selects metadata of all columns of table.
259		*
260		* @param string $schemaName The name of the table schema.
261		* @param string $tableName The name of the table.
262		*
263		* @return array[]
264		*/
265	28	public static function getTableColumns(string $schemaName, string $tableName): array
266		{
267		// When a column has no default prior to MariaDB 10.2.7 column_default is null from MariaDB 10.2.7
268		// column_default = 'NULL' (string(4)).
269	28	$sql = sprintf("
270		select COLUMN_NAME as column_name
271		, COLUMN_TYPE as column_type
272		, ifnull(COLUMN_DEFAULT, 'NULL') as column_default
273		, IS_NULLABLE as is_nullable
274		, CHARACTER_SET_NAME as character_set_name
275		, COLLATION_NAME as collation_name
276		from information_schema.COLUMNS
277		where TABLE_SCHEMA = %s
278		and TABLE_NAME = %s
279		order by ORDINAL_POSITION",
280	28	static::quoteString($schemaName),
281	28	static::quoteString($tableName));
282
283	28	return static::executeRows($sql);
284		}
285
286		//--------------------------------------------------------------------------------------------------------------------
287		/**
288		* Selects table engine, character_set_name and table_collation.
289		*
290		* @param string $schemaName The name of the table schema.
291		* @param string $tableName The name of the table.
292		*
293		* @return array
294		*/
295	25	public static function getTableOptions(string $schemaName, string $tableName): array
296		{
297	25	$sql = sprintf('
298		select t1.TABLE_SCHEMA as table_schema
299		, t1.TABLE_NAME as table_name
300		, t1.TABLE_COLLATION as table_collation
301		, t1.ENGINE as engine
302		, t2.CHARACTER_SET_NAME as character_set_name
303		from information_schema.TABLES t1
304		inner join information_schema.COLLATION_CHARACTER_SET_APPLICABILITY t2 on t2.COLLATION_NAME = t1.TABLE_COLLATION
305		where t1.TABLE_SCHEMA = %s
306		and t1.TABLE_NAME = %s',
307	25	static::quoteString($schemaName),
308	25	static::quoteString($tableName));
309
310	25	return static::executeRow1($sql);
311		}
312
313		//--------------------------------------------------------------------------------------------------------------------
314		/**
315		* Selects all triggers on a table.
316		*
317		* @param string $schemaName The name of the table schema.
318		* @param string $tableName The name of the table.
319		*
320		* @return array[]
321		*/
322	28	public static function getTableTriggers(string $schemaName, string $tableName): array
323		{
324	28	$sql = sprintf('
325		select TRIGGER_NAME as trigger_name
326		from information_schema.TRIGGERS
327		where TRIGGER_SCHEMA = %s
328		and EVENT_OBJECT_TABLE = %s
329		order by Trigger_Name',
330	28	static::quoteString($schemaName),
331	28	static::quoteString($tableName));
332
333	28	return static::executeRows($sql);
334		}
335
336		//--------------------------------------------------------------------------------------------------------------------
337		/**
338		* Selects all table names in a schema.
339		*
340		* @param string $schemaName The name of the schema.
341		*
342		* @return array[]
343		*/
344	29	public static function getTablesNames(string $schemaName): array
345		{
346	29	$sql = sprintf("
347		select TABLE_NAME as table_name
348		from information_schema.TABLES
349		where TABLE_SCHEMA = %s
350		and TABLE_TYPE = 'BASE TABLE'
351	29	order by TABLE_NAME", static::quoteString($schemaName));
352
353	29	return static::executeRows($sql);
354		}
355
356		//--------------------------------------------------------------------------------------------------------------------
357		/**
358		* Selects all triggers in a schema
359		*
360		* @param string $schemaName The name of the table schema.
361		*
362		* @return array[]
363		*/
364		public static function getTriggers(string $schemaName): array
365		{
366		$sql = sprintf('
367		select EVENT_OBJECT_TABLE as table_name
368		, TRIGGER_NAME as trigger_name
369		from information_schema.TRIGGERS
370		where TRIGGER_SCHEMA = %s
371		order by EVENT_OBJECT_TABLE
372		, TRIGGER_NAME',
373		static::quoteString($schemaName));
374
375		return static::executeRows($sql);
376		}
377
378		//--------------------------------------------------------------------------------------------------------------------
379		/**
380		* Acquires a write lock on a table.
381		*
382		* @param string $schemaName The schema of the table.
383		* @param string $tableName The table name.
384		*/
385	28	public static function lockTable(string $schemaName, string $tableName): void
386		{
387	28	$sql = sprintf('lock tables `%s`.`%s` write', $schemaName, $tableName);
388
389	28	static::executeNone($sql);
390	28	}
391
392		//--------------------------------------------------------------------------------------------------------------------
393		/**
394		* Resolves the canonical column types of the additional audit columns.
395		*
396		* @param string $auditSchema The name of the audit schema.
397		* @param array[] $additionalAuditColumns The metadata of the additional audit columns.
398		*
399		* @return TableColumnsMetadata
400		*/
401	29	public static function resolveCanonicalAdditionalAuditColumns(string $auditSchema,
402		array $additionalAuditColumns): TableColumnsMetadata
403		{
404	29	if (empty($additionalAuditColumns))
405		{
406	10	return new TableColumnsMetadata([], 'AuditColumnMetadata');
407		}
408
409	19	$tableName = '_TMP_'.uniqid();
410	19	static::createTemporaryTable($auditSchema, $tableName, $additionalAuditColumns);
411	19	$columns = AuditDataLayer::getTableColumns($auditSchema, $tableName);
412	19	static::dropTemporaryTable($auditSchema, $tableName);
413
414	19	foreach ($additionalAuditColumns as $column)
415		{
416	19	$key = RowSetHelper::findInRowSet($columns, 'column_name', $column['column_name']);
417
418	19	if (isset($column['value_type']))
419		{
420	19	$columns[$key]['value_type'] = $column['value_type'];
421		}
422	19	if (isset($column['expression']))
423		{
424	19	$columns[$key]['expression'] = $column['expression'];
425		}
426		}
427
428	19	return new TableColumnsMetadata($columns, 'AuditColumnMetadata');
429		}
430
431		//--------------------------------------------------------------------------------------------------------------------
432		/**
433		* Sets the Output decorator.
434		*
435		* @param AuditStyle $io The Output decorator.
436		*/
437	29	public static function setIo(AuditStyle $io)
438		{
439	29	self::$io = $io;
440	29	}
441
442		//--------------------------------------------------------------------------------------------------------------------
443		/**
444		* Releases all table locks.
445		*/
446	28	public static function unlockTables(): void
447		{
448	28	$sql = 'unlock tables';
449
450	28	static::executeNone($sql);
451	28	}
452
453		//--------------------------------------------------------------------------------------------------------------------
454		/**
455		* Logs the query on the console.
456		*
457		* @param string $query The query.
458		*/
459	29	private static function logQuery(string $query): void
460		{
461	29	$query = trim($query);
462
463	29	if (strpos($query, "\n")!==false)
464		{
465		// Query is a multi line query.
466	29	self::$io->logVeryVerbose('Executing query:');
467	29	self::$io->logVeryVerbose('<sql>%s</sql>', $query);
468		}
469		else
470		{
471		// Query is a single line query.
472	28	self::$io->logVeryVerbose('Executing query: <sql>%s</sql>', $query);
473		}
474	29	}
475
476		//--------------------------------------------------------------------------------------------------------------------
477		}
478
479		//----------------------------------------------------------------------------------------------------------------------
480

SetBased / php-audit

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