Source of file Query_Builder_Interface.php
Size: 12,437 Bytes - Last Modified: 2015-07-30T13:16:26-04:00
../src/Query/Query_Builder_Interface.php
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Warren * @copyright Copyright (c) 2012 - 2014 * @link https://github.com/aviat4ion/Query * @license http://philsturgeon.co.uk/code/dbad-license */// --------------------------------------------------------------------------namespace Query; /** * Interface defining the Query Builder class * * @package Query * @subpackage Query_Builder */interface Query_Builder_Interface { // -------------------------------------------------------------------------- // ! Select Queries // -------------------------------------------------------------------------- /** * Specifies rows to select in a query * * @param string $fields * @return Query_Builder */public function select($fields); // -------------------------------------------------------------------------- /** * Selects the maximum value of a field from a query * * @param string $field * @param string|bool $as * @return Query_Builder */public function select_max($field, $as=FALSE); // -------------------------------------------------------------------------- /** * Selects the minimum value of a field from a query * * @param string $field * @param string|bool $as * @return Query_Builder */public function select_min($field, $as=FALSE); // -------------------------------------------------------------------------- /** * Selects the average value of a field from a query * * @param string $field * @param string|bool $as * @return Query_Builder */public function select_avg($field, $as=FALSE); // -------------------------------------------------------------------------- /** * Selects the sum of a field from a query * * @param string $field * @param string|bool $as * @return Query_Builder */public function select_sum($field, $as=FALSE); // -------------------------------------------------------------------------- /** * Adds the 'distinct' keyword to a query * * @return Query_Builder */public function distinct(); // -------------------------------------------------------------------------- /** * Shows the query plan for the query * * @return Query_Builder */public function explain(); // -------------------------------------------------------------------------- /** * Specify the database table to select from * * @param string $tblname * @return Query_Builder */public function from($tblname); // -------------------------------------------------------------------------- // ! 'Like' methods // -------------------------------------------------------------------------- /** * Creates a Like clause in the sql statement * * @param string $field * @param mixed $val * @param string $pos * @return Query_Builder */public function like($field, $val, $pos='both'); // -------------------------------------------------------------------------- /** * Generates an OR Like clause * * @param string $field * @param mixed $val * @param string $pos * @return Query_Builder */public function or_like($field, $val, $pos='both'); // -------------------------------------------------------------------------- /** * Generates a NOT LIKE clause * * @param string $field * @param mixed $val * @param string $pos * @return Query_Builder */public function not_like($field, $val, $pos='both'); // -------------------------------------------------------------------------- /** * Generates a OR NOT LIKE clause * * @param string $field * @param mixed $val * @param string $pos * @return Query_Builder */public function or_not_like($field, $val, $pos='both'); // -------------------------------------------------------------------------- // ! Having methods // -------------------------------------------------------------------------- /** * Generates a 'Having' clause * * @param mixed $key * @param mixed $val * @return Query_Builder */public function having($key, $val=array()); // -------------------------------------------------------------------------- /** * Generates a 'Having' clause prefixed with 'OR' * * @param mixed $key * @param mixed $val * @return Query_Builder */public function or_having($key, $val=array()); // -------------------------------------------------------------------------- // ! 'Where' methods // -------------------------------------------------------------------------- /** * Specify condition(s) in the where clause of a query * Note: this function works with key / value, or a * passed array with key / value pairs * * @param mixed $key * @param mixed $val * @param bool $escape * @return Query_Builder */public function where($key, $val=array(), $escape = NULL); // -------------------------------------------------------------------------- /** * Where clause prefixed with "OR" * * @param string $key * @param mixed $val * @return Query_Builder */public function or_where($key, $val=array()); // -------------------------------------------------------------------------- /** * Where clause with 'IN' statement * * @param mixed $field * @param mixed $val * @return Query_Builder */public function where_in($field, $val=array()); // -------------------------------------------------------------------------- /** * Where in statement prefixed with "or" * * @param string $field * @param mixed $val * @return Query_Builder */public function or_where_in($field, $val=array()); // -------------------------------------------------------------------------- /** * WHERE NOT IN (FOO) clause * * @param string $field * @param mixed $val * @return Query_Builder */public function where_not_in($field, $val=array()); // -------------------------------------------------------------------------- /** * OR WHERE NOT IN (FOO) clause * * @param string $field * @param mixed $val * @return Query_Builder */public function or_where_not_in($field, $val=array()); // -------------------------------------------------------------------------- // ! Other Query Modifier methods // -------------------------------------------------------------------------- /** * Sets values for inserts / updates / deletes * * @param mixed $key * @param mixed $val * @return Query_Builder */public function set($key, $val = NULL); // -------------------------------------------------------------------------- /** * Creates a join phrase in a compiled query * * @param string $table * @param string $condition * @param string $type * @return Query_Builder */public function join($table, $condition, $type=''); // -------------------------------------------------------------------------- /** * Group the results by the selected field(s) * * @param mixed $field * @return Query_Builder */public function group_by($field); // -------------------------------------------------------------------------- /** * Order the results by the selected field(s) * * @param string $field * @param string $type * @return Query_Builder */public function order_by($field, $type=""); // -------------------------------------------------------------------------- /** * Set a limit on the current sql statement * * @param int $limit * @param int|bool $offset * @return Query_Builder */public function limit($limit, $offset=FALSE); // -------------------------------------------------------------------------- // ! Query Grouping Methods // -------------------------------------------------------------------------- /** * Adds a paren to the current query for query grouping * * @return Query_Builder */public function group_start(); // -------------------------------------------------------------------------- /** * Adds a paren to the current query for query grouping, * prefixed with 'OR' * * @return Query_Builder */public function or_group_start(); // -------------------------------------------------------------------------- /** * Adds a paren to the current query for query grouping, * prefixed with 'OR NOT' * * @return Query_Builder */public function or_not_group_start(); // -------------------------------------------------------------------------- /** * Ends a query group * * @return Query_Builder */public function group_end(); // -------------------------------------------------------------------------- // ! Query execution methods // -------------------------------------------------------------------------- /** * Select and retrieve all records from the current table, and/or * execute current compiled query * * @param $table * @param int|bool $limit * @param int|bool $offset * @return \PDOStatement */public function get($table='', $limit=FALSE, $offset=FALSE); // -------------------------------------------------------------------------- /** * Convience method for get() with a where clause * * @param string $table * @param array $where * @param int|bool $limit * @param int|bool $offset * @return \PDOStatement */public function get_where($table, $where=array(), $limit=FALSE, $offset=FALSE); // -------------------------------------------------------------------------- /** * Retrieve the number of rows in the selected table * * @param string $table * @return int */public function count_all($table); // -------------------------------------------------------------------------- /** * Retrieve the number of results for the generated query - used * in place of the get() method * * @param string $table * @return int */public function count_all_results($table=''); // -------------------------------------------------------------------------- /** * Creates an insert clause, and executes it * * @param string $table * @param mixed $data * @return \PDOStatement */public function insert($table, $data=array()); // -------------------------------------------------------------------------- /** * Creates and executes a batch insertion query * * @param string $table * @param array $data * @return \PDOStatement|null */public function insert_batch($table, $data=array()); // -------------------------------------------------------------------------- /** * Creates an update clause, and executes it * * @param string $table * @param mixed $data * @return \PDOStatement */public function update($table, $data=array()); // -------------------------------------------------------------------------- /** * Deletes data from a table * * @param string $table * @param mixed $where * @return \PDOStatement */public function delete($table, $where=''); // -------------------------------------------------------------------------- // ! SQL Returning Methods // -------------------------------------------------------------------------- /** * Returns the generated 'select' sql query * * @param string $table * @param bool $reset * @return string */public function get_compiled_select($table='', $reset=TRUE); // -------------------------------------------------------------------------- /** * Returns the generated 'insert' sql query * * @param string $table * @param bool $reset * @return string */public function get_compiled_insert($table, $reset=TRUE); // -------------------------------------------------------------------------- /** * Returns the generated 'update' sql query * * @param string $table * @param bool $reset * @return string */public function get_compiled_update($table='', $reset=TRUE); // -------------------------------------------------------------------------- /** * Returns the generated 'delete' sql query * * @param string $table * @param bool $reset * @return string */public function get_compiled_delete($table="", $reset=TRUE); // -------------------------------------------------------------------------- // ! Miscellaneous Methods // -------------------------------------------------------------------------- /** * Clear out the class variables, so the next query can be run * * @return void */public function reset_query(); }// End of query_builder_interface.php |