Метод |
Описание |
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adapterName ( ) : string |
Returns the human-readable name of the adapter. Use mixed case - one
can always use downcase if needed. |
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addLimitOffset ( string $sql, array $options ) : string |
Appends +LIMIT+ and +OFFSET+ options to a SQL statement. |
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addLock ( &$sql, array $options = [] ) |
Appends a locking clause to an SQL statement. |
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beginDbTransaction ( ) |
Begins the transaction (and turns off auto-committing). |
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commitDbTransaction ( ) |
Commits the transaction (and turns on auto-committing). |
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connect ( ) |
Connect to the db. |
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delete ( string $sql, mixed $arg1 = null, string $arg2 = null ) : integer |
Executes the delete statement and returns the number of rows affected. |
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disconnect ( ) |
Disconnect from db. |
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execute ( string $sql, mixed $arg1 = null, string $arg2 = null ) : mixed |
Executes the SQL statement in the context of this connection. |
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insert ( string $sql, array | string $arg1 = null, string $arg2 = null, string $pk = null, integer $idValue = null, string $sequenceName = null ) : integer |
Inserts a row into a table. |
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insertBlob ( string $table, array $fields, string $pk = null, integer $idValue = null ) : integer |
Inserts a row including BLOBs into a table. |
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isActive ( ) : boolean |
Is the connection active? |
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prefetchPrimaryKey ( $tableName = null ) : boolean |
Should primary key values be selected from their corresponding
sequence before the insert statement? If true, next_sequence_value
is called before each insert to set the record's primary key. |
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quoteString ( string $string ) : string |
Quotes a string, escaping any special characters. |
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rawConnection ( ) : resource |
Provides access to the underlying database connection. Useful for when
you need to call a proprietary method such as postgresql's
lo_* methods. |
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reconnect ( ) |
Reconnect to the db. |
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rollbackDbTransaction ( ) |
Rolls back the transaction (and turns on auto-committing). Must be
done if the transaction block raises an exception or returns false. |
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select ( string $sql, mixed $arg1 = null, string $arg2 = null ) : Horde_Db_Adapter_Base_Result |
Returns an array of records with the column names as keys, and
column values as values. |
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selectAll ( string $sql, mixed $arg1 = null, string $arg2 = null ) : array |
Returns an array of record hashes with the column names as keys and
column values as values. |
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selectAssoc ( string $sql, mixed $arg1 = null, string $arg2 = null ) : array |
Returns an array where the keys are the first column of a select, and the
values are the second column: |
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selectOne ( string $sql, mixed $arg1 = null, string $arg2 = null ) : array |
Returns a record hash with the column names as keys and column values
as values. |
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selectValue ( string $sql, mixed $arg1 = null, string $arg2 = null ) : string |
Returns a single value from a record |
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selectValues ( string $sql, mixed $arg1 = null, string $arg2 = null ) : array |
Returns an array of the values of the first column in a select:
selectValues("SELECT id FROM companies LIMIT 3") => [1,2,3] |
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supportsCountDistinct ( ) : boolean |
Does this adapter support using DISTINCT within COUNT? This is +true+
for all adapters except sqlite. |
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supportsMigrations ( ) : boolean |
Does this adapter support migrations? Backend specific, as the
abstract adapter always returns +false+. |
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transactionStarted ( ) : boolean |
Check if a transaction has been started. |
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update ( string $sql, mixed $arg1 = null, string $arg2 = null ) : integer |
Executes the update statement and returns the number of rows affected. |
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updateBlob ( string $table, array $fields, string $where = '' ) |
Updates rows including BLOBs into a table. |
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