An extended/altered version of the PHP-SQL-Parser available at
https://github.com/greenlion/PHP-SQL-Parser
supporting ADQL. Basically this is just an alteration of the reserved key words and the addition of the geometrical functions plus the TOP statement.
###Full support for the following statement types
SELECT
INSERT
UPDATE
DELETE
REPLACE
RENAME
SHOW
SET
DROP
CREATE INDEX
CREATE TABLE
EXPLAIN
DESCRIBE
###Other SQL statement types
The ADQL TOP statement The ADQL geometric functions
Other statements are returned as an array of tokens. This is not as structured as the information available about the above types. See the ParserManual of the original developer for more information.
###External dependencies
The parser is a self contained class. It has no external dependencies. The parser uses a small amount of regex.
###Focus
The focus of the parser is complete and accurate support for ADQL (building on the complete and accurate support for MySQL SQL of PHP-SQL-Parser). The focus is not on optimizing for performance. It is expected that you will present syntactically valid queries.
###Manual
Please check out the manual of the original project. The only difference to PHP-SQL-Parser is the way the TOP command is presented (as a subnode of the SELECT node) and the support of the ADQL geometrical functions (which are denoted as ext_type = geometrical_function).
ParserManual - Check out the manual.
###Example Output
Example Query
SELECT STRAIGHT_JOIN a, b, c
FROM some_table an_alias
WHERE d > 5;Example Output (via print_r)
Array
(
[OPTIONS] => Array
(
[0] => STRAIGHT_JOIN
)
[SELECT] => Array
(
[0] => Array
(
[expr_type] => colref
[base_expr] => a
[sub_tree] =>
[alias] => `a`
)
[1] => Array
(
[expr_type] => colref
[base_expr] => b
[sub_tree] =>
[alias] => `b`
)
[2] => Array
(
[expr_type] => colref
[base_expr] => c
[sub_tree] =>
[alias] => `c`
)
)
[FROM] => Array
(
[0] => Array
(
[table] => some_table
[alias] => an_alias
[join_type] => JOIN
[ref_type] =>
[ref_clause] =>
[base_expr] =>
[sub_tree] =>
)
)
[WHERE] => Array
(
[0] => Array
(
[expr_type] => colref
[base_expr] => d
[sub_tree] =>
)
[1] => Array
(
[expr_type] => operator
[base_expr] => >
[sub_tree] =>
)
[2] => Array
(
[expr_type] => const
[base_expr] => 5
[sub_tree] =>
)
)
)