Documentation TYPO3 par Ameos

t3lib_sqlengine Class Reference

Inheritance diagram for t3lib_sqlengine:

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Collaboration diagram for t3lib_sqlengine:

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List of all members.

Public Member Functions

 init ($config, &$pObj)
 resetStatusVars ()
 processAccordingToConfig (&$value, $fInfo)
 exec_INSERTquery ($table, $fields_values)
 exec_UPDATEquery ($table, $where, $fields_values)
 exec_DELETEquery ($table, $where)
 exec_SELECTquery ($select_fields, $from_table, $where_clause, $groupBy, $orderBy, $limit)
 sql_query ($query)
 sql_error ()
 sql_insert_id ()
 sql_affected_rows ()
 quoteStr ($str)
 admin_get_tables ()
 admin_get_fields ($tableName)
 admin_get_keys ($tableName)
 admin_query ($query)
 readDataSource ($table)
 saveDataSource ($table)
 selectFromData ($table, $where)
 select_evalSingle ($table, $config, &$itemKeys)
 getResultSet ($keys, $table, $fieldList)
 debug_printResultSet ($array)

Public Attributes

 $data = array()
 $errorStatus = ''
 $lastInsertedId = 0
 $lastAffectedRows = 0

Detailed Description

Definition at line 104 of file class.t3lib_sqlengine.php.


Member Function Documentation

t3lib_sqlengine::admin_get_fields tableName  ) 
 

(DUMMY) Returns information about each field in the $table

Parameters:
string Table name
Returns:
array Field information in an associative array with fieldname => field row

Definition at line 500 of file class.t3lib_sqlengine.php.

Referenced by exec_INSERTquery(), and exec_UPDATEquery().

t3lib_sqlengine::admin_get_keys tableName  ) 
 

(DUMMY) Returns information about each index key in the $table

Parameters:
string Table name
Returns:
array Key information in a numeric array

Definition at line 511 of file class.t3lib_sqlengine.php.

t3lib_sqlengine::admin_get_tables  ) 
 

(DUMMY) Returns the list of tables from the database

Returns:
array Tables in an array (tablename is in both key and value)

Definition at line 489 of file class.t3lib_sqlengine.php.

t3lib_sqlengine::admin_query query  ) 
 

(DUMMY) mysql() wrapper function, used by the Install Tool and EM for all queries regarding management of the database!

Parameters:
string Query to execute
Returns:
pointer Result pointer

Definition at line 522 of file class.t3lib_sqlengine.php.

References sql_query().

t3lib_sqlengine::debug_printResultSet array  ) 
 

Returns the result set (in array) as HTML table. For debugging.

Parameters:
array Result set array (array of rows)
Returns:
string HTML table

Definition at line 791 of file class.t3lib_sqlengine.php.

t3lib_sqlengine::exec_DELETEquery table,
where
 

Execute DELETE query

Parameters:
string Table to delete from
string WHERE clause
Returns:
boolean TRUE on success and FALSE on failure (error is set internally)

Definition at line 331 of file class.t3lib_sqlengine.php.

References t3lib_sqlparser::parseWhereClause(), readDataSource(), resetStatusVars(), saveDataSource(), and selectFromData().

t3lib_sqlengine::exec_INSERTquery table,
fields_values
 

Execute an INSERT query

Parameters:
string Table name
array Field values as key=>value pairs.
Returns:
boolean TRUE on success and FALSE on failure (error is set internally)

Definition at line 205 of file class.t3lib_sqlengine.php.

References admin_get_fields(), processAccordingToConfig(), readDataSource(), resetStatusVars(), and saveDataSource().

t3lib_sqlengine::exec_SELECTquery select_fields,
from_table,
where_clause,
groupBy,
orderBy,
limit
 

Execute SELECT query

Parameters:
string List of fields to select from the table. This is what comes right after "SELECT ...". Required value.
string Table(s) from which to select. This is what comes right after "FROM ...". Required value.
string Optional additional WHERE clauses put in the end of the query. NOTICE: You must escape values in this argument with $this->fullQuoteStr() yourself! DO NOT PUT IN GROUP BY, ORDER BY or LIMIT!
string Optional GROUP BY field(s), if none, supply blank string.
string Optional ORDER BY field(s), if none, supply blank string.
string Optional LIMIT value ([begin,]max), if none, supply blank string.
Returns:
object Returns result object, but if errors, returns false

Definition at line 382 of file class.t3lib_sqlengine.php.

References getResultSet(), t3lib_div::makeInstance(), t3lib_sqlparser::parseFromTables(), t3lib_sqlparser::parseWhereClause(), readDataSource(), resetStatusVars(), and selectFromData().

t3lib_sqlengine::exec_UPDATEquery table,
where,
fields_values
 

Execute UPDATE query on table

Parameters:
string Table name
string WHERE clause
array Field values as key=>value pairs.
Returns:
boolean TRUE on success and FALSE on failure (error is set internally)

Definition at line 272 of file class.t3lib_sqlengine.php.

References admin_get_fields(), t3lib_sqlparser::parseWhereClause(), processAccordingToConfig(), readDataSource(), resetStatusVars(), saveDataSource(), and selectFromData().

t3lib_sqlengine::getResultSet keys,
table,
fieldList
 

Returning result set based on result keys, table and field list

Parameters:
array Result keys
string Tablename
string Fieldlist (commaseparated)
Returns:
array Result array with "rows"

Definition at line 748 of file class.t3lib_sqlengine.php.

References t3lib_div::trimExplode().

Referenced by exec_SELECTquery().

t3lib_sqlengine::init config,
&$  pObj
 

Dummy function for initializing SQL handler. Create you own in derived classes.

Parameters:
array Configuration array from handler
object Parent object
Returns:
void

Definition at line 126 of file class.t3lib_sqlengine.php.

t3lib_sqlengine::processAccordingToConfig &$  value,
fInfo
 

Processing of update/insert values based on field type.

The input value is typecast and trimmed/shortened according to the field type and the configuration options from the $fInfo parameter.

Parameters:
mixed $value The input value to process
array $fInfo Field configuration data
Returns:
mixed The processed input value

Definition at line 150 of file class.t3lib_sqlengine.php.

References t3lib_div::intInRange(), and t3lib_sqlparser::parseFieldDef().

Referenced by exec_INSERTquery(), and exec_UPDATEquery().

t3lib_sqlengine::quoteStr str  ) 
 

Quoting strings for insertion in SQL queries

Parameters:
string Input String
Returns:
string String, with quotes escaped

Definition at line 464 of file class.t3lib_sqlengine.php.

t3lib_sqlengine::readDataSource table  ) 
 

Dummy function for setting table data. Create your own. NOTICE: Handler to "table-locking" needs to be made probably!

Parameters:
string Table name
Returns:
void
Todo:
Table locking tools?

Definition at line 547 of file class.t3lib_sqlengine.php.

Referenced by exec_DELETEquery(), exec_INSERTquery(), exec_SELECTquery(), and exec_UPDATEquery().

t3lib_sqlengine::resetStatusVars  ) 
 

Reset SQL engine status variables (insert id, affected rows, error status)

Returns:
void

Definition at line 134 of file class.t3lib_sqlengine.php.

Referenced by exec_DELETEquery(), exec_INSERTquery(), exec_SELECTquery(), and exec_UPDATEquery().

t3lib_sqlengine::saveDataSource table  ) 
 

Dummy function for setting table data. Create your own. NOTICE: Handler to "table-locking" needs to be made probably!

Parameters:
string Table name
Returns:
void
Todo:
Table locking tools?

Definition at line 559 of file class.t3lib_sqlengine.php.

Referenced by exec_DELETEquery(), exec_INSERTquery(), and exec_UPDATEquery().

t3lib_sqlengine::select_evalSingle table,
config,
&$  itemKeys
 

Evalutaion of a WHERE-clause-array. Yet EXPERIMENTAL

Parameters:
string Tablename
array WHERE-configuration array
array Data array to work on.
Returns:
void Data array passed by reference
See also:
selectFromData()

Definition at line 627 of file class.t3lib_sqlengine.php.

References selectFromData().

Referenced by selectFromData().

t3lib_sqlengine::selectFromData table,
where
 

PHP simulation of SQL "SELECT" Yet EXPERIMENTAL!

Parameters:
string Table name
array Where clause parsed into array
Returns:
array Array of keys pointing to result rows in $this->data[$table]

Definition at line 589 of file class.t3lib_sqlengine.php.

References select_evalSingle().

Referenced by exec_DELETEquery(), exec_SELECTquery(), exec_UPDATEquery(), and select_evalSingle().

t3lib_sqlengine::sql_affected_rows  ) 
 

Returns affected rows (of UPDATE and DELETE queries)

Returns:
integer Last amount of affected rows.

Definition at line 454 of file class.t3lib_sqlengine.php.

t3lib_sqlengine::sql_error  ) 
 

Returns most recent error

Returns:
string Error message, if any

Definition at line 436 of file class.t3lib_sqlengine.php.

t3lib_sqlengine::sql_insert_id  ) 
 

Returns most recently create unique ID (of INSERT queries)

Returns:
integer Last unique id created.

Definition at line 445 of file class.t3lib_sqlengine.php.

t3lib_sqlengine::sql_query query  ) 
 

Performs an SQL query on the "database"

Parameters:
string Query to execute
Returns:
object Result object or false if error

Definition at line 425 of file class.t3lib_sqlengine.php.

References t3lib_div::makeInstance().

Referenced by admin_query().


The documentation for this class was generated from the following file:


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