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722 lines
22 KiB
722 lines
22 KiB
2 years ago
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<?php
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declare(strict_types=1);
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namespace PhpMyAdmin\Dbal;
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use PhpMyAdmin\ConfigStorage\Relation;
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use PhpMyAdmin\DatabaseInterface;
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use PhpMyAdmin\FieldMetadata;
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use PhpMyAdmin\SystemDatabase;
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use PhpMyAdmin\Table;
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/**
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* Main interface for database interactions
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*/
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interface DbalInterface
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{
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public const FETCH_NUM = 'NUM';
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public const FETCH_ASSOC = 'ASSOC';
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/**
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* runs a query
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*
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* @param string $query SQL query to execute
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* @param mixed $link optional database link to use
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* @param int $options optional query options
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* @param bool $cache_affected_rows whether to cache affected rows
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*/
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public function query(
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string $query,
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$link = DatabaseInterface::CONNECT_USER,
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int $options = 0,
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bool $cache_affected_rows = true
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): ResultInterface;
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/**
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* runs a query and returns the result
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*
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* @param string $query query to run
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* @param mixed $link link type
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* @param int $options query options
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* @param bool $cache_affected_rows whether to cache affected row
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*
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* @return mixed
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*/
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public function tryQuery(
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string $query,
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$link = DatabaseInterface::CONNECT_USER,
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int $options = 0,
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bool $cache_affected_rows = true
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);
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/**
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* Send multiple SQL queries to the database server and execute the first one
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*
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* @param string $multiQuery multi query statement to execute
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* @param int $linkIndex index of the opened database link
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*/
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public function tryMultiQuery(
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string $multiQuery = '',
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$linkIndex = DatabaseInterface::CONNECT_USER
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): bool;
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/**
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* returns array with table names for given db
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*
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* @param string $database name of database
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* @param mixed $link mysql link resource|object
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*
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* @return array tables names
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*/
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public function getTables(string $database, $link = DatabaseInterface::CONNECT_USER): array;
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/**
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* returns array of all tables in given db or dbs
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* this function expects unquoted names:
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* RIGHT: my_database
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* WRONG: `my_database`
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* WRONG: my\_database
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* if $tbl_is_group is true, $table is used as filter for table names
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*
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* <code>
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* $dbi->getTablesFull('my_database');
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* $dbi->getTablesFull('my_database', 'my_table'));
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* $dbi->getTablesFull('my_database', 'my_tables_', true));
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* </code>
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*
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* @param string $database database
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* @param string|array $table table name(s)
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* @param bool $tbl_is_group $table is a table group
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* @param int $limit_offset zero-based offset for the count
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* @param bool|int $limit_count number of tables to return
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* @param string $sort_by table attribute to sort by
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* @param string $sort_order direction to sort (ASC or DESC)
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* @param string|null $table_type whether table or view
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* @param mixed $link link type
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*
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* @return array list of tables in given db(s)
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*
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* @todo move into Table
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*/
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public function getTablesFull(
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string $database,
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$table = '',
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bool $tbl_is_group = false,
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int $limit_offset = 0,
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$limit_count = false,
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string $sort_by = 'Name',
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string $sort_order = 'ASC',
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?string $table_type = null,
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$link = DatabaseInterface::CONNECT_USER
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): array;
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/**
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* Get VIEWs in a particular database
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*
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* @param string $db Database name to look in
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*
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* @return Table[] Set of VIEWs inside the database
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*/
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public function getVirtualTables(string $db): array;
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/**
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* returns array with databases containing extended infos about them
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*
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* @param string|null $database database
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* @param bool $force_stats retrieve stats also for MySQL < 5
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* @param int $link link type
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* @param string $sort_by column to order by
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* @param string $sort_order ASC or DESC
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* @param int $limit_offset starting offset for LIMIT
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* @param bool|int $limit_count row count for LIMIT or true
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* for $GLOBALS['cfg']['MaxDbList']
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*
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* @return array
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*
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* @todo move into ListDatabase?
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*/
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public function getDatabasesFull(
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?string $database = null,
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bool $force_stats = false,
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$link = DatabaseInterface::CONNECT_USER,
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string $sort_by = 'SCHEMA_NAME',
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string $sort_order = 'ASC',
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int $limit_offset = 0,
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$limit_count = false
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): array;
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/**
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* returns detailed array with all columns for sql
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*
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* @param string $sql_query target SQL query to get columns
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* @param array $view_columns alias for columns
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*
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* @return array
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*/
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public function getColumnMapFromSql(string $sql_query, array $view_columns = []): array;
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/**
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* returns detailed array with all columns for given table in database,
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* or all tables/databases
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*
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* @param string|null $database name of database
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* @param string|null $table name of table to retrieve columns from
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* @param string|null $column name of specific column
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* @param mixed $link mysql link resource
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*
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* @return array
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*/
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public function getColumnsFull(
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?string $database = null,
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?string $table = null,
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?string $column = null,
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$link = DatabaseInterface::CONNECT_USER
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): array;
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/**
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* Returns description of a $column in given table
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*
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* @param string $database name of database
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* @param string $table name of table to retrieve columns from
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* @param string $column name of column
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* @param bool $full whether to return full info or only column names
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* @param int $link link type
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*
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* @return array flat array description
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*/
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public function getColumn(
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string $database,
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string $table,
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string $column,
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bool $full = false,
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$link = DatabaseInterface::CONNECT_USER
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): array;
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/**
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* Returns descriptions of columns in given table
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*
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* @param string $database name of database
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* @param string $table name of table to retrieve columns from
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* @param bool $full whether to return full info or only column names
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* @param int $link link type
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*
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* @return array<string, array> array indexed by column names
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*/
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public function getColumns(
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string $database,
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string $table,
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bool $full = false,
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$link = DatabaseInterface::CONNECT_USER
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): array;
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/**
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* Returns all column names in given table
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*
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* @param string $database name of database
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* @param string $table name of table to retrieve columns from
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* @param mixed $link mysql link resource
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*
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* @return string[]
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*/
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public function getColumnNames(
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string $database,
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string $table,
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$link = DatabaseInterface::CONNECT_USER
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): array;
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/**
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* Returns indexes of a table
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*
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* @param string $database name of database
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* @param string $table name of the table whose indexes are to be retrieved
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* @param mixed $link mysql link resource
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*
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* @return array
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*/
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public function getTableIndexes(
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string $database,
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string $table,
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$link = DatabaseInterface::CONNECT_USER
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): array;
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/**
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* returns value of given mysql server variable
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*
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* @param string $var mysql server variable name
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* @param int $type DatabaseInterface::GETVAR_SESSION |
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* DatabaseInterface::GETVAR_GLOBAL
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* @param int $link mysql link resource|object
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*
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* @return false|string|null value for mysql server variable
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*/
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public function getVariable(
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string $var,
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int $type = DatabaseInterface::GETVAR_SESSION,
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$link = DatabaseInterface::CONNECT_USER
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);
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/**
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* Sets new value for a variable if it is different from the current value
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*
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* @param string $var variable name
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* @param string $value value to set
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* @param int $link mysql link resource|object
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*/
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public function setVariable(string $var, string $value, $link = DatabaseInterface::CONNECT_USER): bool;
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/**
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* Function called just after a connection to the MySQL database server has
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* been established. It sets the connection collation, and determines the
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* version of MySQL which is running.
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*/
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public function postConnect(): void;
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/**
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* Sets collation connection for user link
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*
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* @param string $collation collation to set
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*/
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public function setCollation(string $collation): void;
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/**
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* Function called just after a connection to the MySQL database server has
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* been established. It sets the connection collation, and determines the
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* version of MySQL which is running.
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*/
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public function postConnectControl(Relation $relation): void;
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/**
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* returns a single value from the given result or query,
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* if the query or the result has more than one row or field
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* the first field of the first row is returned
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*
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* <code>
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* $sql = 'SELECT `name` FROM `user` WHERE `id` = 123';
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* $user_name = $dbi->fetchValue($sql);
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* // produces
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* // $user_name = 'John Doe'
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* </code>
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*
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* @param string $query The query to execute
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* @param int|string $field field to fetch the value from,
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* starting at 0, with 0 being
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* default
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* @param int $link link type
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*
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* @return string|false|null value of first field in first row from result
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* or false if not found
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*/
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public function fetchValue(
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string $query,
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$field = 0,
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$link = DatabaseInterface::CONNECT_USER
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);
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/**
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* Returns only the first row from the result or null if result is empty.
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*
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* <code>
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* $sql = 'SELECT * FROM `user` WHERE `id` = 123';
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* $user = $dbi->fetchSingleRow($sql);
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* // produces
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* // $user = array('id' => 123, 'name' => 'John Doe')
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* </code>
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*
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* @param string $query The query to execute
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* @param string $type NUM|ASSOC returned array should either numeric
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* associative or both
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* @param int $link link type
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* @psalm-param self::FETCH_NUM|self::FETCH_ASSOC $type
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*/
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public function fetchSingleRow(
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string $query,
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string $type = DbalInterface::FETCH_ASSOC,
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$link = DatabaseInterface::CONNECT_USER
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): ?array;
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/**
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* returns all rows in the resultset in one array
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*
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* <code>
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* $sql = 'SELECT * FROM `user`';
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* $users = $dbi->fetchResult($sql);
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* // produces
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* // $users[] = array('id' => 123, 'name' => 'John Doe')
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*
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* $sql = 'SELECT `id`, `name` FROM `user`';
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* $users = $dbi->fetchResult($sql, 'id');
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* // produces
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* // $users['123'] = array('id' => 123, 'name' => 'John Doe')
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*
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* $sql = 'SELECT `id`, `name` FROM `user`';
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* $users = $dbi->fetchResult($sql, 0);
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* // produces
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* // $users['123'] = array(0 => 123, 1 => 'John Doe')
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*
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* $sql = 'SELECT `id`, `name` FROM `user`';
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* $users = $dbi->fetchResult($sql, 'id', 'name');
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* // or
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* $users = $dbi->fetchResult($sql, 0, 1);
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* // produces
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* // $users['123'] = 'John Doe'
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*
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* $sql = 'SELECT `name` FROM `user`';
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* $users = $dbi->fetchResult($sql);
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* // produces
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* // $users[] = 'John Doe'
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*
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* $sql = 'SELECT `group`, `name` FROM `user`'
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* $users = $dbi->fetchResult($sql, array('group', null), 'name');
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* // produces
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* // $users['admin'][] = 'John Doe'
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*
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* $sql = 'SELECT `group`, `name` FROM `user`'
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* $users = $dbi->fetchResult($sql, array('group', 'name'), 'id');
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* // produces
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* // $users['admin']['John Doe'] = '123'
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* </code>
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*
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* @param string $query query to execute
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* @param string|int|array $key field-name or offset
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* used as key for
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* array or array of
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* those
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* @param string|int $value value-name or offset
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* used as value for
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* array
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* @param int $link link type
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||
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*
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* @return array resultrows or values indexed by $key
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|
|
*/
|
||
|
|
public function fetchResult(
|
||
|
|
string $query,
|
||
|
|
$key = null,
|
||
|
|
$value = null,
|
||
|
|
$link = DatabaseInterface::CONNECT_USER
|
||
|
|
): array;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get supported SQL compatibility modes
|
||
|
|
*
|
||
|
|
* @return array supported SQL compatibility modes
|
||
|
|
*/
|
||
|
|
public function getCompatibilities(): array;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns warnings for last query
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return array warnings
|
||
|
|
*/
|
||
|
|
public function getWarnings($link = DatabaseInterface::CONNECT_USER): array;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns an array of PROCEDURE or FUNCTION names for a db
|
||
|
|
*
|
||
|
|
* @param string $db db name
|
||
|
|
* @param string $which PROCEDURE | FUNCTION
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return array the procedure names or function names
|
||
|
|
*/
|
||
|
|
public function getProceduresOrFunctions(
|
||
|
|
string $db,
|
||
|
|
string $which,
|
||
|
|
$link = DatabaseInterface::CONNECT_USER
|
||
|
|
): array;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns the definition of a specific PROCEDURE, FUNCTION, EVENT or VIEW
|
||
|
|
*
|
||
|
|
* @param string $db db name
|
||
|
|
* @param string $which PROCEDURE | FUNCTION | EVENT | VIEW
|
||
|
|
* @param string $name the procedure|function|event|view name
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return string|null the definition
|
||
|
|
*/
|
||
|
|
public function getDefinition(
|
||
|
|
string $db,
|
||
|
|
string $which,
|
||
|
|
string $name,
|
||
|
|
$link = DatabaseInterface::CONNECT_USER
|
||
|
|
): ?string;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns details about the PROCEDUREs or FUNCTIONs for a specific database
|
||
|
|
* or details about a specific routine
|
||
|
|
*
|
||
|
|
* @param string $db db name
|
||
|
|
* @param string|null $which PROCEDURE | FUNCTION or null for both
|
||
|
|
* @param string $name name of the routine (to fetch a specific routine)
|
||
|
|
*
|
||
|
|
* @return array information about ROCEDUREs or FUNCTIONs
|
||
|
|
*/
|
||
|
|
public function getRoutines(string $db, ?string $which = null, string $name = ''): array;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns details about the EVENTs for a specific database
|
||
|
|
*
|
||
|
|
* @param string $db db name
|
||
|
|
* @param string $name event name
|
||
|
|
*
|
||
|
|
* @return array information about EVENTs
|
||
|
|
*/
|
||
|
|
public function getEvents(string $db, string $name = ''): array;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns details about the TRIGGERs for a specific table or database
|
||
|
|
*
|
||
|
|
* @param string $db db name
|
||
|
|
* @param string $table table name
|
||
|
|
* @param string $delimiter the delimiter to use (may be empty)
|
||
|
|
*
|
||
|
|
* @return array information about triggers (may be empty)
|
||
|
|
*/
|
||
|
|
public function getTriggers(string $db, string $table = '', string $delimiter = '//'): array;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* gets the current user with host
|
||
|
|
*
|
||
|
|
* @return string the current user i.e. user@host
|
||
|
|
*/
|
||
|
|
public function getCurrentUser(): string;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks if current user is superuser
|
||
|
|
*/
|
||
|
|
public function isSuperUser(): bool;
|
||
|
|
|
||
|
|
public function isGrantUser(): bool;
|
||
|
|
|
||
|
|
public function isCreateUser(): bool;
|
||
|
|
|
||
|
|
public function isConnected(): bool;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the current user and host
|
||
|
|
*
|
||
|
|
* @return array array of username and hostname
|
||
|
|
*/
|
||
|
|
public function getCurrentUserAndHost(): array;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns value for lower_case_table_names variable
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public function getLowerCaseNames();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* connects to the database server
|
||
|
|
*
|
||
|
|
* @param int $mode Connection mode on of CONNECT_USER, CONNECT_CONTROL
|
||
|
|
* or CONNECT_AUXILIARY.
|
||
|
|
* @param array|null $server Server information like host/port/socket/persistent
|
||
|
|
* @param int|null $target How to store connection link, defaults to $mode
|
||
|
|
*
|
||
|
|
* @return mixed false on error or a connection object on success
|
||
|
|
*/
|
||
|
|
public function connect(int $mode, ?array $server = null, ?int $target = null);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* selects given database
|
||
|
|
*
|
||
|
|
* @param string|DatabaseName $dbname database name to select
|
||
|
|
* @param int $link link type
|
||
|
|
*/
|
||
|
|
public function selectDb($dbname, $link = DatabaseInterface::CONNECT_USER): bool;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check if there are any more query results from a multi query
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*/
|
||
|
|
public function moreResults($link = DatabaseInterface::CONNECT_USER): bool;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Prepare next result from multi_query
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*/
|
||
|
|
public function nextResult($link = DatabaseInterface::CONNECT_USER): bool;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Store the result returned from multi query
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return mixed false when empty results / result set when not empty
|
||
|
|
*/
|
||
|
|
public function storeResult($link = DatabaseInterface::CONNECT_USER);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a string representing the type of connection used
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return string|bool type of connection used
|
||
|
|
*/
|
||
|
|
public function getHostInfo($link = DatabaseInterface::CONNECT_USER);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the version of the MySQL protocol used
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return int|bool version of the MySQL protocol used
|
||
|
|
*/
|
||
|
|
public function getProtoInfo($link = DatabaseInterface::CONNECT_USER);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns a string that represents the client library version
|
||
|
|
*
|
||
|
|
* @return string MySQL client library version
|
||
|
|
*/
|
||
|
|
public function getClientInfo(): string;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns last error message or an empty string if no errors occurred.
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*/
|
||
|
|
public function getError($link = DatabaseInterface::CONNECT_USER): string;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns the number of rows returned by last query
|
||
|
|
* used with tryQuery as it accepts false
|
||
|
|
*
|
||
|
|
* @param string $query query to run
|
||
|
|
*
|
||
|
|
* @return string|int
|
||
|
|
* @psalm-return int|numeric-string
|
||
|
|
*/
|
||
|
|
public function queryAndGetNumRows(string $query);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns last inserted auto_increment id for given $link
|
||
|
|
* or $GLOBALS['userlink']
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
public function insertId($link = DatabaseInterface::CONNECT_USER);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns the number of rows affected by last query
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
* @param bool $get_from_cache whether to retrieve from cache
|
||
|
|
*
|
||
|
|
* @return int|string
|
||
|
|
* @psalm-return int|numeric-string
|
||
|
|
*/
|
||
|
|
public function affectedRows($link = DatabaseInterface::CONNECT_USER, bool $get_from_cache = true);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns metainfo for fields in $result
|
||
|
|
*
|
||
|
|
* @param ResultInterface $result result set identifier
|
||
|
|
*
|
||
|
|
* @return FieldMetadata[] meta info for fields in $result
|
||
|
|
*/
|
||
|
|
public function getFieldsMeta(ResultInterface $result): array;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns properly escaped string for use in MySQL queries
|
||
|
|
*
|
||
|
|
* @param string $str string to be escaped
|
||
|
|
* @param mixed $link optional database link to use
|
||
|
|
*
|
||
|
|
* @return string a MySQL escaped string
|
||
|
|
*/
|
||
|
|
public function escapeString(string $str, $link = DatabaseInterface::CONNECT_USER);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns properly escaped string for use in MySQL LIKE clauses
|
||
|
|
*
|
||
|
|
* @param string $str string to be escaped
|
||
|
|
* @param int $link optional database link to use
|
||
|
|
*
|
||
|
|
* @return string a MySQL escaped LIKE string
|
||
|
|
*/
|
||
|
|
public function escapeMysqlLikeString(string $str, int $link = DatabaseInterface::CONNECT_USER);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks if this database server is running on Amazon RDS.
|
||
|
|
*/
|
||
|
|
public function isAmazonRds(): bool;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets SQL for killing a process.
|
||
|
|
*
|
||
|
|
* @param int $process Process ID
|
||
|
|
*/
|
||
|
|
public function getKillQuery(int $process): string;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the phpmyadmin database manager
|
||
|
|
*/
|
||
|
|
public function getSystemDatabase(): SystemDatabase;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get a table with database name and table name
|
||
|
|
*
|
||
|
|
* @param string $db_name DB name
|
||
|
|
* @param string $table_name Table name
|
||
|
|
*/
|
||
|
|
public function getTable(string $db_name, string $table_name): Table;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns collation of given db
|
||
|
|
*
|
||
|
|
* @param string $db name of db
|
||
|
|
*
|
||
|
|
* @return string collation of $db
|
||
|
|
*/
|
||
|
|
public function getDbCollation(string $db): string;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns default server collation from show variables
|
||
|
|
*/
|
||
|
|
public function getServerCollation(): string;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Server version as number
|
||
|
|
*/
|
||
|
|
public function getVersion(): int;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Server version
|
||
|
|
*/
|
||
|
|
public function getVersionString(): string;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Server version comment
|
||
|
|
*/
|
||
|
|
public function getVersionComment(): string;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Whether connection is MariaDB
|
||
|
|
*/
|
||
|
|
public function isMariaDB(): bool;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Whether connection is Percona
|
||
|
|
*/
|
||
|
|
public function isPercona(): bool;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Prepare an SQL statement for execution.
|
||
|
|
*
|
||
|
|
* @param string $query The query, as a string.
|
||
|
|
* @param int $link Link type.
|
||
|
|
*
|
||
|
|
* @return object|false A statement object or false.
|
||
|
|
*/
|
||
|
|
public function prepare(string $query, $link = DatabaseInterface::CONNECT_USER);
|
||
|
|
}
|