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| -rw-r--r-- | user_guide_src/source/database/query_builder_reference.rst | 217 |
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diff --git a/user_guide_src/source/database/query_builder_reference.rst b/user_guide_src/source/database/query_builder_reference.rst index f20a1e70d..7c379ae84 100644 --- a/user_guide_src/source/database/query_builder_reference.rst +++ b/user_guide_src/source/database/query_builder_reference.rst @@ -21,3 +21,220 @@ Class Reference Generates a platform-specific query string that counts all records returned by an Query Builder query. + .. method:: dbprefix($table = '') + + :param string $table: The table name to work with + :returns: The modified table name + :rtype: string + + Prepends a database prefix if one exists in configuration + + .. method:: delete($table = '', $where = '', $limit = NULL, $reset_data = TRUE) + + :param mixed $table: The table(s) to delete from; string or array + :param string $where: The where clause + :param string $limit: The limit clause + :param boolean $reset_data: TRUE to reset the query "write" clause + :returns: DB_query_builder instance, FALSE on failure + :rtype: mixed + + Compiles a delete string and runs the query + + .. method:: distinct($val = TRUE) + + :param boolean $val: Desired value of the "distinct" flag + :returns: DB_query_driver instance + :rtype: object + + Sets a flag which tells the query string compiler to add DISTINCT + + .. method:: empty_table($table = '') + + :param string $table: Name of table to empty + :returns: DB_driver instance + :rtype: object + + Compiles a delete string and runs "DELETE FROM table" + + .. method:: flush_cache() + + :rtype: void + + Empties the QB cache + + .. method:: from($from) + + :param mixed $from: Can be a string or array + :returns: DB_query_builder instance + :rtype: object + + Generates the FROM portion of the query + + .. method:: get($table = '', $limit = NULL, $offset = NULL) + + :param string $table: The table to query + :param string $limit: The limit clause + :param string $offset: The offset clause + :returns: DB_result + :rtype: object + + Compiles the select statement based on the other functions + called and runs the query + + .. method:: get_compiled_delete($table = '', $reset = TRUE) + + :param string $table: Name of the table to delete from + :param boolean $reset: TRUE: reset QB values; FALSE: leave QB values alone + :returns: The SQL string + :rtype: string + + Compiles a delete query string and returns the sql + + .. method:: get_compiled_insert($table = '', $reset = TRUE) + + :param string $table: Name of the table to insert into + :param boolean $reset: TRUE: reset QB values; FALSE: leave QB values alone + :returns: The SQL string + :rtype: string + + Compiles an insert query string and returns the sql + + .. method:: get_compiled_select($table = '', $reset = TRUE) + + :param string $table: Name of the table to select from + :param boolean $reset: TRUE: reset QB values; FALSE: leave QB values alone + :returns: The SQL string + :rtype: string + + Compiles a select query string and returns the sql + + .. method:: get_compiled_update($table = '', $reset = TRUE) + + :param string $table: Name of the table to update + :param boolean $reset: TRUE: reset QB values; FALSE: leave QB values alone + :returns: The SQL string + :rtype: string + + Compiles an update query string and returns the sql + + .. method:: get_where($table = '', $where = NULL, $limit = NULL, $offset = NULL) + + :param mixed $table: The table(s) to delete from; string or array + :param string $where: The where clause + :param int $limit: Number of records to return + :param int $offset: Number of records to skip + :returns: DB_result + :rtype: object + + Allows the where clause, limit and offset to be added directly + + .. method:: group_by($by, $escape = NULL) + + :param mixed $by: Field(s) to group by; string or array + :returns: DB_query_builder instance + :rtype: object + + Adds a GROUPBY clause to the query + + .. method:: group_end() + + :returns: DB_query_builder instance + :rtype: object + + Ends a query group + + .. method:: group_start($not = '', $type = 'AND ') + + :param string $not: (Internal use only) + :param string $type: (Internal use only) + :returns: DB_query_builder instance + :rtype: object + + Starts a query group. + + .. method:: having($key, $value = NULL, $escape = NULL) + + :param string $key: Key (string) or associative array of values + :param string $value: Value sought if the key is a string + :param string $escape: TRUE to escape the content + :returns: DB_query_builder instance + :rtype: object + + Separates multiple calls with 'AND'. + + .. method:: insert($table = '', $set = NULL, $escape = NULL) + + :param string $table: The table to insert data into + :param array $set: An associative array of insert values + :param boolean $table: Whether to escape values and identifiers + :returns: DB_result + :rtype: object + + Compiles an insert string and runs the query + + .. method:: insert_batch($table = '', $set = NULL, $escape = NULL) + + :param string $table: The table to insert data into + :param array $set: An associative array of insert values + :param boolean $escape: Whether to escape values and identifiers + :returns: Number of rows inserted or FALSE on failure + :rtype: mixed + + Compiles batch insert strings and runs the queries + + .. method:: join($table, $cond, $type = '', $escape = NULL) + + :param string $table: Name of the table being joined + :param string $cond: The JOIN condition + :param string $type: The JOIN type + :param boolean $escape: Whether to escape values and identifiers + :returns: DB_query_builder instance + :rtype: object + + Generates the JOIN portion of the query + + .. method:: like($field, $match = '', $side = 'both', $escape = NULL) + + :param string $field: Name of field to compare + :param string $match: Text portion to match + :param string $side: Position of a match + :param boolean $escape: Whether to escape values and identifiers + :returns: DB_query_builder instance + :rtype: object + + Generates a %LIKE% portion of the query. + Separates multiple calls with 'AND'. + + .. method:: limit($value, $offset = FALSE) + + :param mixed $value: Number of rows to limit the results to, NULL for no limit + :param mixed $offset: Number of rows to skip, FALSE if no offset used + :returns: DB_query_builder instance + :rtype: object + + Specify a limit and offset for the query + + .. method:: x + + :param string $x: x + :returns: x + :rtype: x + + x + + .. method:: x + + :param string $x: x + :returns: x + :rtype: x + + x + + .. method:: x + + :param string $x: x + :returns: x + :rtype: x + + x + |