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Author SHA1 Message Date
Clemens Schwaighofer
ae044bee6f DB IO Placeholder convert fixers and updates
Add more checks in phpunit for this,

Update the placeholder check and convert and move all regex into the
placeholder convert support class
Move $ placeholder count function to the SQL\PgSQL class

Note: further moves of PgSQL only stuff have to be done for SQLite
SQL class add
2024-11-20 19:07:10 +09:00
Clemens Schwaighofer
529b6a75ba Set base path for config file to load in edit_base.php 2024-11-19 15:43:00 +09:00
7 changed files with 729 additions and 195 deletions

View File

@@ -37,8 +37,9 @@ namespace tests;
use PHPUnit\Framework\TestCase;
use PHPUnit\Framework\MockObject\MockObject;
use CoreLibs\Logging\Logger\Level;
use CoreLibs\Logging;
use CoreLibs\DB\Options\Convert;
use CoreLibs\DB\Support\ConvertPlaceholder;
/**
* Test class for DB\IO + DB\SQL\PgSQL
@@ -117,7 +118,7 @@ final class CoreLibsDBIOTest extends TestCase
);
}
// define basic connection set valid and one invalid
self::$log = new \CoreLibs\Logging\Logging([
self::$log = new Logging\Logging([
// 'log_folder' => __DIR__ . DIRECTORY_SEPARATOR . 'log',
'log_folder' => DIRECTORY_SEPARATOR . 'tmp',
'log_file_id' => 'CoreLibs-DB-IO-Test',
@@ -570,11 +571,11 @@ final class CoreLibsDBIOTest extends TestCase
);
$db->dbClose();
// second conenction with log set NOT debug
$log = new \CoreLibs\Logging\Logging([
$log = new Logging\Logging([
// 'log_folder' => __DIR__ . DIRECTORY_SEPARATOR . 'log',
'log_folder' => DIRECTORY_SEPARATOR . 'tmp',
'log_file_id' => 'CoreLibs-DB-IO-Test',
'log_level' => \CoreLibs\Logging\Logger\Level::Notice,
'log_level' => Logging\Logger\Level::Notice,
]);
$db = new \CoreLibs\DB\IO(
self::$db_config[$connection],
@@ -3293,6 +3294,7 @@ final class CoreLibsDBIOTest extends TestCase
'query' => 'INSERT INTO table_with_primary_key (row_int, uid) '
. 'VALUES ($1, $2) RETURNING table_with_primary_key_id',
'returning_id' => true,
'placeholder_converted' => [],
],
],
// update
@@ -3327,6 +3329,7 @@ final class CoreLibsDBIOTest extends TestCase
'query' => 'UPDATE table_with_primary_key SET row_int = $1, '
. 'row_varchar = $2 WHERE uid = $3',
'returning_id' => false,
'placeholder_converted' => [],
],
],
// select
@@ -3356,6 +3359,7 @@ final class CoreLibsDBIOTest extends TestCase
'count' => 1,
'query' => 'SELECT row_int, uid FROM table_with_primary_key WHERE uid = $1',
'returning_id' => false,
'placeholder_converted' => [],
],
],
// any query but with no parameters
@@ -3388,6 +3392,7 @@ final class CoreLibsDBIOTest extends TestCase
'count' => 0,
'query' => 'SELECT row_int, uid FROM table_with_primary_key',
'returning_id' => false,
'placeholder_converted' => [],
],
],
// no statement name (25)
@@ -3411,6 +3416,7 @@ final class CoreLibsDBIOTest extends TestCase
'count' => 0,
'query' => '',
'returning_id' => false,
'placeholder_converted' => [],
],
],
// no query (prepare 11)
@@ -3435,6 +3441,7 @@ final class CoreLibsDBIOTest extends TestCase
'count' => 0,
'query' => '',
'returning_id' => false,
'placeholder_converted' => [],
],
],
// no db connection (prepare/execute 16)
@@ -3464,6 +3471,7 @@ final class CoreLibsDBIOTest extends TestCase
'count' => 0,
'query' => 'SELECT row_int, uid FROM table_with_primary_key',
'returning_id' => false,
'placeholder_converted' => [],
],
],
// prepare with different statement name
@@ -3489,6 +3497,7 @@ final class CoreLibsDBIOTest extends TestCase
'count' => 0,
'query' => 'SELECT row_int, uid FROM table_with_primary_key',
'returning_id' => false,
'placeholder_converted' => [],
],
],
// insert wrong data count compared to needed (execute 23)
@@ -3514,10 +3523,12 @@ final class CoreLibsDBIOTest extends TestCase
'query' => 'INSERT INTO table_with_primary_key (row_int, uid) VALUES '
. '($1, $2) RETURNING table_with_primary_key_id',
'returning_id' => true,
'placeholder_converted' => [],
],
],
// execute does not return a result (22)
// TODO execute does not return a result
// TODO prepared statement with placeholder params auto convert
];
}
@@ -3662,7 +3673,7 @@ final class CoreLibsDBIOTest extends TestCase
}
// check dbGetPrepareCursorValue
foreach (['pk_name', 'count', 'query', 'returning_id'] as $key) {
foreach (['pk_name', 'count', 'query', 'returning_id', 'placeholder_converted'] as $key) {
$this->assertEquals(
$prepare_cursor[$key],
$db->dbGetPrepareCursorValue($stm_name, $key),
@@ -5031,8 +5042,151 @@ final class CoreLibsDBIOTest extends TestCase
$db->dbClose();
}
// query placeholder convert
// MARK: QUERY PLACEHOLDERS
// test query placeholder detection for all possible sets
// ::dbPrepare
/**
* placeholder sql
*
* @return array
*/
public function providerDbCountQueryParams(): array
{
return [
'one place holder' => [
'query' => 'SELECT row_varchar FROM table_with_primary_key WHERE row_varchar = $1',
'count' => 1,
'convert' => false,
],
'one place holder, json call' => [
'query' => "SELECT row_varchar FROM table_with_primary_key WHERE row_jsonb->>'data' = $1",
'count' => 1,
'convert' => false,
],
'one place holder, <> compare' => [
'query' => "SELECT row_varchar FROM table_with_primary_key WHERE row_varchar <> $1",
'count' => 1,
'convert' => false,
],
'one place holder, named' => [
'query' => "SELECT row_varchar FROM table_with_primary_key WHERE row_varchar <> :row_varchar",
'count' => 1,
'convert' => true,
],
'no replacement' => [
'query' => "SELECT row_varchar FROM table_with_primary_key WHERE row_varchar = '$1'",
'count' => 0,
'convert' => false,
],
'insert' => [
'query' => "INSERT INTO table_with_primary_key (row_varchar, row_jsonb, row_int) VALUES ($1, $2, $3)",
'count' => 3,
'convert' => false,
],
'update' => [
'query' => "UPDATE table_with_primary_key SET row_varchar = $1, row_jsonb = $2, row_int = $3 WHERE row_numeric = $4",
'count' => 4,
'convert' => false,
],
'multiple, multline' => [
'query' => <<<SQL
SELECT
row_varchar
FROM
table_with_primary_key
WHERE
row_varchar = $1 AND row_int = $2
AND row_numeric = ANY($3)
SQL,
'count' => 3,
'convert' => false,
],
'two digit numbers' => [
'query' => <<<SQL
INSERT INTO table_with_primary_key (
row_int, row_numeric, row_varchar, row_varchar_literal, row_json,
row_jsonb, row_bytea, row_timestamp, row_date, row_interval
) VALUES (
$1, $2, $3, $4, $5,
$6, $7, $8, $9, $10
)
SQL,
'count' => 10,
'convert' => false,
],
'things in brackets' => [
'query' => <<<SQL
SELECT row_varchar
FROM table_with_primary_key
WHERE
row_varchar = $1 AND
(row_int = ANY($2) OR row_int = $3)
AND row_varchar_literal = $4
SQL,
'count' => 4,
'convert' => false,
],
'number compare' => [
'query' => <<<SQL
SELECT row_varchar
FROM table_with_primary_key
WHERE
row_int >= $1 OR row_int <= $2 OR
row_int > $3 OR row_int < $4
OR row_int = $5 OR row_int <> $6
SQL,
'count' => 6,
'convert' => false,
]
];
}
/**
* Placeholder check and convert tests
*
* @covers ::dbPrepare
* @covers ::__dbCountQueryParams
* @onvers ::convertPlaceholderInQuery
* @dataProvider providerDbCountQueryParams
* @testdox Query replacement count test [$_dataName]
*
* @param string $query
* @param int $count
* @return void
*/
public function testDbCountQueryParams(string $query, int $count, bool $convert): void
{
$db = new \CoreLibs\DB\IO(
self::$db_config['valid'],
self::$log
);
$id = sha1($query);
$db->dbSetConvertPlaceholder($convert);
$db->dbPrepare($id, $query);
// print "\n**\n";
// print "PCount: " . $db->dbGetPrepareCursorValue($id, 'count') . "\n";
// print "\n**\n";
$this->assertEquals(
$count,
$db->dbGetPrepareCursorValue($id, 'count'),
'DB count params'
);
$placeholder = ConvertPlaceholder::convertPlaceholderInQuery($query, null, 'pg');
// print "RES: " . print_r($placeholder, true) . "\n";
$this->assertEquals(
$count,
$placeholder['needed'],
'convert params'
);
}
/**
* query placeholder convert
*
* @return array
*/
public function queryPlaceholderReplaceProvider(): array
{
// WHERE row_varchar = $1
@@ -5076,7 +5230,9 @@ final class CoreLibsDBIOTest extends TestCase
WHERE row_varchar = $1
SQL,
'expected_params' => ['string a'],
]
],
// TODO: test with multiple entries
// TODO: test with same entry ($1, $1, :var, :var)
];
}
@@ -5178,6 +5334,8 @@ final class CoreLibsDBIOTest extends TestCase
// - data debug
// dbDumpData
// MARK: ASYNC
// ASYNC at the end because it has 1s timeout
// - asynchronous executions
// dbExecAsync, dbCheckAsync

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@@ -0,0 +1,233 @@
<?php // phpcs:ignore warning
/**
* @phan-file-suppress PhanTypeSuspiciousStringExpression
*/
declare(strict_types=1);
// turn on all error reporting
error_reporting(E_ALL | E_STRICT | E_ERROR | E_WARNING | E_PARSE | E_COMPILE_ERROR);
ob_start();
// basic class test file
define('USE_DATABASE', true);
// sample config
require 'config.php';
// define log file id
$LOG_FILE_ID = 'classTest-db-convert-placeholder';
ob_end_flush();
use CoreLibs\Debug\Support;
use CoreLibs\DB\Support\ConvertPlaceholder;
$log = new CoreLibs\Logging\Logging([
'log_folder' => BASE . LOG,
'log_file_id' => $LOG_FILE_ID,
'log_per_date' => true,
]);
$PAGE_NAME = 'TEST CLASS: DB CONVERT PLACEHOLDER';
print "<!DOCTYPE html>";
print "<html><head><title>" . $PAGE_NAME . "</title></head>";
print "<body>";
print '<div><a href="class_test.php">Class Test Master</a></div>';
print '<div><h1>' . $PAGE_NAME . '</h1></div>';
print "LOGFILE NAME: " . $log->getLogFile() . "<br>";
print "LOGFILE ID: " . $log->getLogFileId() . "<br>";
print "Lookup Regex: <pre>" . ConvertPlaceholder::REGEX_LOOKUP_PLACEHOLDERS . "</pre>";
print "Replace Named Regex: <pre>" . ConvertPlaceholder::REGEX_REPLACE_NAMED . "</pre>";
print "Replace Named Regex: <pre>" . ConvertPlaceholder::REGEX_REPLACE_QUESTION_MARK . "</pre>";
print "Replace Named Regex: <pre>" . ConvertPlaceholder::REGEX_REPLACE_NUMBERED . "</pre>";
$uniqid = \CoreLibs\Create\Uids::uniqIdShort();
// $binary_data = $db->dbEscapeBytea(file_get_contents('class_test.db.php') ?: '');
// $binary_data = file_get_contents('class_test.db.php') ?: '';
$binary_data = '';
$params = [
$uniqid,
true,
'STRING A',
2,
2.5,
1,
date('H:m:s'),
date('Y-m-d H:i:s'),
json_encode(['a' => 'string', 'b' => 1, 'c' => 1.5, 'f' => true, 'g' => ['a', 1, 1.5]]),
null,
'{"a", "b"}',
'{1,2}',
'{"(array Text A, 5, 8.8)","(array Text B, 10, 15.2)"}',
'("Text", 4, 6.3)',
$binary_data
];
$query = <<<SQL
INSERT INTO test_foo (
test, some_bool, string_a, number_a, number_a_numeric, smallint_a,
some_time, some_timestamp, json_string, null_var,
array_char_1, array_int_1,
array_composite,
composite_item,
some_binary
) VALUES (
$1, $2, $3, $4, $5, $6,
$7, $8, $9, $10,
$11, $12,
$13,
$14,
$15
)
RETURNING
test_foo_id,
test, some_bool, string_a, number_a, number_a_numeric, smallint_a,
some_time, some_timestamp, json_string, null_var,
array_char_1, array_int_1,
array_composite,
composite_item,
some_binary
SQL;
print "[ALL] Convert: "
. Support::printAr(ConvertPlaceholder::convertPlaceholderInQuery($query, $params))
. "<br>";
echo "<hr>";
$query = "SELECT foo FROM bar WHERE baz = :baz AND buz = :baz AND biz = :biz AND boz = :bez";
$params = [':baz' => 'SETBAZ', ':bez' => 'SETBEZ', ':biz' => 'SETBIZ'];
print "[NO PARAMS] Convert: "
. Support::printAr(ConvertPlaceholder::convertPlaceholderInQuery($query, $params))
. "<br>";
echo "<hr>";
$query = "SELECT foo FROM bar WHERE baz = :baz AND buz = :baz AND biz = :biz AND boz = :bez";
$params = null;
print "[NO PARAMS] Convert: "
. Support::printAr(ConvertPlaceholder::convertPlaceholderInQuery($query, $params))
. "<br>";
echo "<hr>";
$query = "SELECT row_varchar FROM table_with_primary_key WHERE row_varchar <> :row_varchar";
$params = null;
print "[NO PARAMS] Convert: "
. Support::printAr(ConvertPlaceholder::convertPlaceholderInQuery($query, $params))
. "<br>";
echo "<hr>";
$query = "SELECT row_varchar, row_varchar_literal, row_int, row_date FROM table_with_primary_key";
$params = null;
print "[NO PARAMS] TEST: "
. Support::printAr(ConvertPlaceholder::convertPlaceholderInQuery($query, $params))
. "<br>";
echo "<hr>";
print "[P-CONV]: "
. Support::printAr(
ConvertPlaceholder::updateParamList([
'original' => [
'query' => 'SELECT foo FROM bar WHERE baz = :baz AND buz = :biz AND biz = :biz AND boz = :bez',
'params' => [':baz' => 'SETBAZ', ':bez' => 'SETBEZ', ':biz' => 'SETBIZ'],
'empty_params' => false,
],
'type' => 'named',
'found' => 3,
// 'matches' => [
// ':baz'
// ],
// 'params_lookup' => [
// ':baz' => '$1'
// ],
// 'query' => "SELECT foo FROM bar WHERE baz = $1",
// 'parms' => [
// 'SETBAZ'
// ],
])
);
echo "<hr>";
// test connectors: = , <> () for query detection
// convert placeholder tests
// ? -> $n
// :name -> $n
// other way around (just visual)
$test_queries = [
'skip' => [
'query' => <<<SQL
SELECT test, string_a, number_a
FROM test_foo
SQL,
'params' => [],
'direction' => 'pg',
],
'numbers' => [
'query' => <<<SQL
SELECT test, string_a, number_a
FROM test_foo
WHERE
foo = $1 AND bar = $1 AND foobar = $2
SQL,
'params' => [\CoreLibs\Create\Uids::uniqIdShort(), 'string A-1', 1234],
'direction' => 'pdo',
],
'a?' => [
'query' => <<<SQL
INSERT INTO test_foo (
test, string_a, number_a
) VALUES (
?, ?, ?
)
SQL,
'params' => [\CoreLibs\Create\Uids::uniqIdShort(), 'string A-1', 1234],
'direction' => 'pg',
],
'b:' => [
'query' => <<<SQL
INSERT INTO test_foo (
test, string_a, number_a
) VALUES (
:test, :string_a, :number_a
)
SQL,
'params' => [
':test' => \CoreLibs\Create\Uids::uniqIdShort(),
':string_a' => 'string B-1',
':number_a' => 5678
],
'direction' => 'pg',
],
'select, compare $' => [
'query' => <<<SQL
SELECT row_varchar
FROM table_with_primary_key
WHERE
row_int >= $1 OR row_int <= $2 OR
row_int > $3 OR row_int < $4
OR row_int = $5 OR row_int <> $6
SQL,
'params' => null,
'direction' => 'pg'
]
];
foreach ($test_queries as $info => $data) {
$query = $data['query'];
$params = $data['params'];
$direction = $data['direction'];
print "[$info] Convert: "
. Support::printAr(ConvertPlaceholder::convertPlaceholderInQuery($query, $params, $direction))
. "<br>";
echo "<hr>";
}
print "</body></html>";
$log->debug('DEBUGEND', '==================================== [END]');
// __END__

View File

@@ -73,6 +73,7 @@ $test_files = [
'class_test.db.query-placeholder.php' => 'Class Test: DB query placeholder convert',
'class_test.db.dbReturn.php' => 'Class Test: DB dbReturn',
'class_test.db.single.php' => 'Class Test: DB single query tests',
'class_test.db.convert-placeholder.php' => 'Class Test: DB convert placeholder',
'class_test.convert.colors.php' => 'Class Test: CONVERT COLORS',
'class_test.check.colors.php' => 'Class Test: CHECK COLORS',
'class_test.mime.php' => 'Class Test: MIME',

View File

@@ -24,7 +24,7 @@
declare(strict_types=1);
ob_start();
require 'config.php'; /** @phpstan-ignore-line Is path, is symlinked */
require getcwd() . DIRECTORY_SEPARATOR . 'config.php';
// should be utf8
header("Content-type: text/html; charset=" . DEFAULT_ENCODING);

View File

@@ -284,7 +284,8 @@ class IO
public const ERROR_HASH_TYPE = 'adler32';
/** @var string regex to get returning with matches at position 1 */
public const REGEX_RETURNING = '/\s+returning\s+(.+\s*(?:.+\s*)+);?$/i';
/** @var array<string> allowed convert target for placeholder: pg or pdo (currently not available) */
/** @var array<string> allowed convert target for placeholder:
* pg or pdo (currently not available) */
public const DB_CONVERT_PLACEHOLDER_TARGET = ['pg'];
// REGEX_SELECT
// REGEX_UPDATE
@@ -1311,33 +1312,14 @@ class IO
}
/**
* count $ leading parameters only
* count placeholder entries in the query
*
* @param string $query Query to check
* @return int Number of parameters found
*/
private function __dbCountQueryParams(string $query): int
{
$match = [];
// regex for params: only stand alone $number allowed
// exclude all '' enclosed strings, ignore all numbers [note must start with digit]
// can have space/tab/new line
// must have <> = , ( [not equal, equal, comma, opening round bracket]
// can have space/tab/new line
// $ number with 1-9 for first and 0-9 for further digits
// /s for matching new line in . list
// [disabled, we don't used ^ or $] /m for multi line match
// Matches in 1:, must be array_filtered to remove empty, count with array_unique
$query_split = '[(=,?-]|->|->>|#>|#>>|@>|<@|\?\|\?\&|\|\||#-';
preg_match_all(
'/'
. '(?:\'.*?\')?\s*(?:\?\?|<>|' . $query_split . ')\s*'
. '(?:\d+|(?:\'.*?\')|(\$[1-9]{1}(?:[0-9]{1,})?))'
. '/s',
$query,
$match
);
return count(array_unique(array_filter($match[1])));
return $this->db_functions->__dbCountQueryParams($query);
}
/**
@@ -3160,7 +3142,8 @@ class IO
'count' => 0,
'query' => '',
'result' => null,
'returning_id' => false
'returning_id' => false,
'placeholder_converted' => [],
];
// if this is an insert query, check if we can add a return
if ($this->dbCheckQueryForInsert($query, true)) {
@@ -3200,6 +3183,39 @@ class IO
$this->prepare_cursor[$stm_name]['pk_name'] = $pk_name;
}
}
// QUERY PARAMS: run query params check and rewrite
if ($this->dbGetConvertPlaceholder() === true) {
try {
$this->placeholder_converted = ConvertPlaceholder::convertPlaceholderInQuery(
$query,
null,
$this->dbGetConvertPlaceholderTarget()
);
// write the new queries over the old
if (!empty($this->placeholder_converted['query'])) {
$query = $this->placeholder_converted['query'];
}
$this->prepare_cursor[$stm_name]['placeholder_converted'] = $this->placeholder_converted;
} catch (\OutOfRangeException $e) {
$this->__dbError($e->getCode(), context:[
'statement_name' => $stm_name,
'query' => $query,
'location' => 'dbPrepare',
'error' => 'OutOfRangeException',
'exception' => $e
]);
return false;
} catch (\RuntimeException $e) {
$this->__dbError($e->getCode(), context:[
'statement_name' => $stm_name,
'query' => $query,
'location' => 'dbPrepare',
'error' => 'RuntimeException',
'exception' => $e
]);
return false;
}
}
// check prepared curser parameter count
$this->prepare_cursor[$stm_name]['count'] = $this->__dbCountQueryParams($query);
$this->prepare_cursor[$stm_name]['query'] = $query;
@@ -3735,7 +3751,7 @@ class IO
}
/**
* convert db values (set)
* convert db values (set) to php matching types
*
* @param Convert $convert
* @return void
@@ -3746,7 +3762,7 @@ class IO
}
/**
* unsert convert db values flag
* unsert convert db values flag for converting db to php matching types
*
* @param Convert $convert
* @return void
@@ -3757,7 +3773,7 @@ class IO
}
/**
* Reset to origincal config file set
* Reset to original config file set for converting db to php matching type
*
* @return void
*/
@@ -3769,7 +3785,7 @@ class IO
}
/**
* check if a conert flag is set
* check if a convert flag is set for converting db to php matching type
*
* @param Convert $convert
* @return bool
@@ -3783,7 +3799,7 @@ class IO
}
/**
* Set if we want to auto convert PDO/\Pg placeholders
* Set if we want to auto convert to PDO/\Pg placeholders
*
* @param bool $flag
* @return void
@@ -4294,7 +4310,7 @@ class IO
* @param string $stm_name The name of the stored statement
* @param string $key Key field name in prepared cursor array
* Allowed are: pk_name, count, query, returning_id
* @return null|string|int|bool Entry from each of the valid keys
* @return null|string|int|bool|array<string,mixed> Entry from each of the valid keys
* Will return false on error
* Not ethat returnin_id also can return false
* but will not set an error entry
@@ -4302,7 +4318,7 @@ class IO
public function dbGetPrepareCursorValue(
string $stm_name,
string $key
): null|string|int|bool {
): null|string|int|bool|array {
// if no statement name
if (empty($stm_name)) {
$this->__dbError(
@@ -4313,7 +4329,7 @@ class IO
return false;
}
// if not a valid key
if (!in_array($key, ['pk_name', 'count', 'query', 'returning_id'])) {
if (!in_array($key, ['pk_name', 'count', 'query', 'returning_id', 'placeholder_converted'])) {
$this->__dbError(
102,
false,

View File

@@ -51,6 +51,8 @@ declare(strict_types=1);
namespace CoreLibs\DB\SQL;
use CoreLibs\DB\Support\ConvertPlaceholder;
// below no ignore is needed if we want to use PgSql interface checks with PHP 8.0
// as main system. Currently all @var sets are written as object
/** @#phan-file-suppress PhanUndeclaredTypeProperty,PhanUndeclaredTypeParameter,PhanUndeclaredTypeReturnType */
@@ -102,7 +104,7 @@ class PgSQL implements Interface\SqlFunctions
* SELECT foo FROM bar WHERE foobar = $1
*
* @param string $query Query string with placeholders $1, ..
* @param array<mixed> $params Matching parameters for each placerhold
* @param array<mixed> $params Matching parameters for each placeholder
* @return \PgSql\Result|false Query result
*/
public function __dbQueryParams(string $query, array $params): \PgSql\Result|false
@@ -140,7 +142,7 @@ class PgSQL implements Interface\SqlFunctions
* sends an async query to the server with params
*
* @param string $query Query string with placeholders $1, ..
* @param array<mixed> $params Matching parameters for each placerhold
* @param array<mixed> $params Matching parameters for each placeholder
* @return bool true/false Query sent successful status
*/
public function __dbSendQueryParams(string $query, array $params): bool
@@ -966,6 +968,34 @@ class PgSQL implements Interface\SqlFunctions
{
return $this->__dbShow('client_encoding');
}
/**
* Count placeholder queries. $ only
*
* @param string $query
* @return int
*/
public function __dbCountQueryParams(string $query): int
{
$matches = [];
// regex for params: only stand alone $number allowed
// exclude all '' enclosed strings, ignore all numbers [note must start with digit]
// can have space/tab/new line
// must have <> = , ( [not equal, equal, comma, opening round bracket]
// can have space/tab/new line
// $ number with 1-9 for first and 0-9 for further digits
// Collects also PDO ? and :named, but they are ignored
// /s for matching new line in . list
// [disabled, we don't used ^ or $] /m for multi line match
// Matches in 1:, must be array_filtered to remove empty, count with array_unique
// Regex located in the ConvertPlaceholder class
preg_match_all(
ConvertPlaceholder::REGEX_LOOKUP_PLACEHOLDERS,
$query,
$matches
);
return count(array_unique(array_filter($matches[3])));
}
}
// __END__

View File

@@ -14,6 +14,67 @@ namespace CoreLibs\DB\Support;
class ConvertPlaceholder
{
/** @var string split regex */
private const PATTERN_QUERY_SPLIT = '[(<>=,?-]|->|->>|#>|#>>|@>|<@|\?\|\?\&|\|\||#-';
/** @var string the main regex including the pattern query split */
private const PATTERN_ELEMENT = '(?:\'.*?\')?\s*(?:\?\?|' . self::PATTERN_QUERY_SPLIT . ')\s*';
/** @var string parts to ignore in the SQL */
private const PATTERN_IGNORE =
// digit -> ignore
'\d+|'
// other string -> ignore
. '(?:\'.*?\')|';
/** @var string named parameters */
private const PATTERN_NAMED = '(:\w+)';
/** @var string question mark parameters */
private const PATTERN_QUESTION_MARK = '(?:(?:\?\?)?\s*(\?{1}))';
/** @var string numbered parameters */
private const PATTERN_NUMBERED = '(\$[1-9]{1}(?:[0-9]{1,})?)';
// below here are full regex that will be used
/** @var string replace regex for named (:...) entries */
public const REGEX_REPLACE_NAMED = '/'
. '(' . self::PATTERN_ELEMENT . ')'
. '('
. self::PATTERN_IGNORE
. self::PATTERN_NAMED
. ')'
. '/s';
/** @var string replace regex for question mark (?) entries */
public const REGEX_REPLACE_QUESTION_MARK = '/'
. '(' . self::PATTERN_ELEMENT . ')'
. '('
. self::PATTERN_IGNORE
. self::PATTERN_QUESTION_MARK
. ')'
. '/s';
/** @var string replace regex for numbered ($n) entries */
public const REGEX_REPLACE_NUMBERED = '/'
. '(' . self::PATTERN_ELEMENT . ')'
. '('
. self::PATTERN_IGNORE
. self::PATTERN_NUMBERED
. ')'
. '/s';
/** @var string the main lookup query for all placeholders */
public const REGEX_LOOKUP_PLACEHOLDERS = '/'
// prefix string part, must match towards
// seperator for ( = , ? - [and json/jsonb in pg doc section 9.15]
. self::PATTERN_ELEMENT
// match for replace part
. '(?:'
// ignore parts
. self::PATTERN_IGNORE
// :name named part (PDO) [1]
. self::PATTERN_NAMED . '|'
// ? question mark part (PDO) [2]
. self::PATTERN_QUESTION_MARK . '|'
// $n numbered part (\PG php) [3]
. self::PATTERN_NUMBERED
// end match
. ')'
// single line -> add line break to matches in "."
. '/s';
/**
* Convert PDO type query with placeholders to \PG style and vica versa
* For PDO to: ? and :named
@@ -27,44 +88,24 @@ class ConvertPlaceholder
* found has -1 if an error occoured in the preg_match_all call
*
* @param string $query Query with placeholders to convert
* @param array<mixed> $params The parameters that are used for the query, and will be updated
* @param ?array<mixed> $params The parameters that are used for the query, and will be updated
* @param string $convert_to Either pdo or pg, will be converted to lower case for check
* @return array{original:array{query:string,params:array<mixed>},type:''|'named'|'numbered'|'question_mark',found:int,matches:array<string>,params_lookup:array<mixed>,query:string,params:array<mixed>}
* @throws \OutOfRangeException 200
* @return array{original:array{query:string,params:array<mixed>,empty_params:bool},type:''|'named'|'numbered'|'question_mark',found:int,matches:array<string>,params_lookup:array<mixed>,query:string,params:array<mixed>}
* @throws \OutOfRangeException 200 If mixed placeholder types
* @throws \InvalidArgumentException 300 or 301 if wrong convert to with found placeholders
*/
public static function convertPlaceholderInQuery(
string $query,
array $params,
?array $params,
string $convert_to = 'pg'
): array {
$convert_to = strtolower($convert_to);
$matches = [];
$query_split = '[(=,?-]|->|->>|#>|#>>|@>|<@|\?\|\?\&|\|\||#-';
$pattern = '/'
// prefix string part, must match towards
// seperator for ( = , ? - [and json/jsonb in pg doc section 9.15]
. '(?:\'.*?\')?\s*(?:\?\?|' . $query_split . ')\s*'
// match for replace part
. '(?:'
// digit -> ignore
. '\d+|'
// other string -> ignore
. '(?:\'.*?\')|'
// :name named part (PDO)
. '(:\w+)|'
// ? question mark part (PDO)
. '(?:(?:\?\?)?\s*(\?{1}))|'
// $n numbered part (\PG php)
. '(\$[1-9]{1}(?:[0-9]{1,})?)'
// end match
. ')'
// single line -> add line break to matches in "."
. '/s';
// matches:
// 1: :named
// 2: ? question mark
// 3: $n numbered
$found = preg_match_all($pattern, $query, $matches, PREG_UNMATCHED_AS_NULL);
$found = preg_match_all(self::REGEX_LOOKUP_PLACEHOLDERS, $query, $matches, PREG_UNMATCHED_AS_NULL);
// if false or null set to -1
// || $found === null
if ($found === false) {
@@ -77,10 +118,10 @@ class ConvertPlaceholder
/** @var array<string> 3: $n matches */
$numbered_matches = array_filter($matches[3]);
// count matches
$count_named = count($named_matches);
$count_named = count(array_unique($named_matches));
$count_qmark = count($qmark_matches);
$count_numbered = count($numbered_matches);
// throw if mixed
$count_numbered = count(array_unique($numbered_matches));
// throw exception if mixed found
if (
($count_named && $count_qmark) ||
($count_named && $count_numbered) ||
@@ -88,140 +129,195 @@ class ConvertPlaceholder
) {
throw new \OutOfRangeException('Cannot have named, question mark and numbered in the same query', 200);
}
// rebuild
$matches_return = [];
$type = '';
// // throw if invalid conversion
// if (($count_named || $count_qmark) && $convert_to != 'pg') {
// throw new \InvalidArgumentException('Cannot convert from named or question mark placeholders to PDO', 300);
// }
// if ($count_numbered && $convert_to != 'pdo') {
// throw new \InvalidArgumentException('Cannot convert from numbered placeholders to Pg', 301);
// }
// return array
$return_placeholders = [
// original
'original' => [
'query' => $query,
'params' => $params ?? [],
'empty_params' => $params === null ? true : false,
],
// type found, empty if nothing was done
'type' => '',
// int: found, not found; -1: problem (set from false)
'found' => (int)$found,
'matches' => [],
// old to new lookup check
'params_lookup' => [],
// this must match the count in params in new
'needed' => 0,
// new
'query' => '',
'params' => [],
];
// replace basic regex and name settings
if ($count_named) {
$return_placeholders['type'] = 'named';
$return_placeholders['matches'] = $named_matches;
$return_placeholders['needed'] = $count_named;
} elseif ($count_qmark) {
$return_placeholders['type'] = 'question_mark';
$return_placeholders['matches'] = $qmark_matches;
$return_placeholders['needed'] = $count_qmark;
// for each ?:DTN: -> replace with $1 ... $n, any remaining :DTN: remove
} elseif ($count_numbered) {
$return_placeholders['type'] = 'numbered';
$return_placeholders['matches'] = $numbered_matches;
$return_placeholders['needed'] = $count_numbered;
}
// run convert only if matching type and direction
if (
(($count_named || $count_qmark) && $convert_to == 'pg') ||
($count_numbered && $convert_to == 'pdo')
) {
$param_list = self::updateParamList($return_placeholders);
$return_placeholders['params_lookup'] = $param_list['params_lookup'];
$return_placeholders['query'] = $param_list['query'];
$return_placeholders['params'] = $param_list['params'];
}
// return data
return $return_placeholders;
}
/**
* Updates the params list from one style to the other to match the query output
* if original.empty_params is set to true, no params replacement is done
* if param replacement has been done in a dbPrepare then this has to be run
* with the return palceholders array with params in original filled and empty_params turned off
*
* phpcs:disable Generic.Files.LineLength
* @param array{original:array{query:string,params:array<mixed>,empty_params:bool},type:''|'named'|'numbered'|'question_mark',found:int,matches?:array<string>,params_lookup?:array<mixed>,query?:string,params?:array<mixed>} $converted_placeholders
* phpcs:enable Generic.Files.LineLength
* @return array{params_lookup:array<mixed>,query:string,params:array<mixed>}
*/
public static function updateParamList(array $converted_placeholders): array
{
// skip if nothing set
if (!$converted_placeholders['found']) {
return [
'params_lookup' => [],
'query' => '',
'params' => []
];
}
$query_new = '';
$params_new = [];
$params_lookup = [];
if ($count_named && $convert_to == 'pg') {
$type = 'named';
$matches_return = $named_matches;
// only check for :named
$pattern_replace = '/'
. '((?:\'.*?\')?\s*(?:\?\?|' . $query_split . ')\s*)'
. '(\d+|(?:\'.*?\')|(:\w+))'
. '/s';
// 0: full
// 1: pre part
// 2: keep part UNLESS '3' is set
// 3: replace part :named
$pos = 0;
$query_new = preg_replace_callback(
$pattern_replace,
function ($matches) use (&$pos, &$params_new, &$params_lookup, $params) {
// only count up if $match[3] is not yet in lookup table
if (!empty($matches[3]) && empty($params_lookup[$matches[3]])) {
$pos++;
$params_lookup[$matches[3]] = '$' . $pos;
$params_new[] = $params[$matches[3]] ??
throw new \RuntimeException(
'Cannot lookup ' . $matches[3] . ' in params list',
210
);
}
// add the connectors back (1), and the data sets only if no replacement will be done
return $matches[1] . (
empty($matches[3]) ?
$matches[2] :
$params_lookup[$matches[3]] ??
// set to null if params is empty
$params = $converted_placeholders['original']['params'];
$empty_params = $converted_placeholders['original']['empty_params'];
switch ($converted_placeholders['type']) {
case 'named':
// 0: full
// 0: full
// 1: pre part
// 2: keep part UNLESS '3' is set
// 3: replace part :named
$pos = 0;
$query_new = preg_replace_callback(
self::REGEX_REPLACE_NAMED,
function ($matches) use (&$pos, &$params_new, &$params_lookup, $params, $empty_params) {
// only count up if $match[3] is not yet in lookup table
if (!empty($matches[3]) && empty($params_lookup[$matches[3]])) {
$pos++;
$params_lookup[$matches[3]] = '$' . $pos;
// skip params setup if param list is empty
if (!$empty_params) {
$params_new[] = $params[$matches[3]] ??
throw new \RuntimeException(
'Cannot lookup ' . $matches[3] . ' in params list',
210
);
}
}
// add the connectors back (1), and the data sets only if no replacement will be done
return $matches[1] . (
empty($matches[3]) ?
$matches[2] :
$params_lookup[$matches[3]] ??
throw new \RuntimeException(
'Cannot lookup ' . $matches[3] . ' in params lookup list',
211
)
);
},
$converted_placeholders['original']['query']
);
break;
case 'question_mark':
if (!$empty_params) {
// order and data stays the same
$params_new = $params ?? [];
}
// 0: full
// 1: pre part
// 2: keep part UNLESS '3' is set
// 3: replace part ?
$pos = 0;
$query_new = preg_replace_callback(
self::REGEX_REPLACE_QUESTION_MARK,
function ($matches) use (&$pos, &$params_lookup) {
// only count pos up for actual replacements we will do
if (!empty($matches[3])) {
$pos++;
$params_lookup[] = '$' . $pos;
}
// add the connectors back (1), and the data sets only if no replacement will be done
return $matches[1] . (
empty($matches[3]) ?
$matches[2] :
'$' . $pos
);
},
$converted_placeholders['original']['query']
);
break;
case 'numbered':
// 0: full
// 1: pre part
// 2: keep part UNLESS '3' is set
// 3: replace part $numbered
$pos = 0;
$query_new = preg_replace_callback(
self::REGEX_REPLACE_NUMBERED,
function ($matches) use (&$pos, &$params_new, &$params_lookup, $params, $empty_params) {
// only count up if $match[3] is not yet in lookup table
if (!empty($matches[3]) && empty($params_lookup[$matches[3]])) {
$pos++;
$params_lookup[$matches[3]] = ':' . $pos . '_named';
// skip params setup if param list is empty
if (!$empty_params) {
$params_new[] = $params[($pos - 1)] ??
throw new \RuntimeException(
'Cannot lookup ' . ($pos - 1) . ' in params list',
220
);
}
}
// add the connectors back (1), and the data sets only if no replacement will be done
return $matches[1] . (
empty($matches[3]) ?
$matches[2] :
$params_lookup[$matches[3]] ??
throw new \RuntimeException(
'Cannot lookup ' . $matches[3] . ' in params lookup list',
211
221
)
);
},
$query
);
} elseif ($count_qmark && $convert_to == 'pg') {
$type = 'question_mark';
$matches_return = $qmark_matches;
// order and data stays the same
$params_new = $params;
// only check for ?
$pattern_replace = '/'
. '((?:\'.*?\')?\s*(?:\?\?|' . $query_split . ')\s*)'
. '(\d+|(?:\'.*?\')|(?:(?:\?\?)?\s*(\?{1})))'
. '/s';
// 0: full
// 1: pre part
// 2: keep part UNLESS '3' is set
// 3: replace part ?
$pos = 0;
$query_new = preg_replace_callback(
$pattern_replace,
function ($matches) use (&$pos, &$params_lookup) {
// only count pos up for actual replacements we will do
if (!empty($matches[3])) {
$pos++;
$params_lookup[] = '$' . $pos;
}
// add the connectors back (1), and the data sets only if no replacement will be done
return $matches[1] . (
empty($matches[3]) ?
$matches[2] :
'$' . $pos
);
},
$query
);
// for each ?:DTN: -> replace with $1 ... $n, any remaining :DTN: remove
} elseif ($count_numbered && $convert_to == 'pdo') {
// convert numbered to named
$type = 'numbered';
$matches_return = $numbered_matches;
// only check for $n
$pattern_replace = '/'
. '((?:\'.*?\')?\s*(?:\?\?|' . $query_split . ')\s*)'
. '(\d+|(?:\'.*?\')|(\$[1-9]{1}(?:[0-9]{1,})?))'
. '/s';
// 0: full
// 1: pre part
// 2: keep part UNLESS '3' is set
// 3: replace part $numbered
$pos = 0;
$query_new = preg_replace_callback(
$pattern_replace,
function ($matches) use (&$pos, &$params_new, &$params_lookup, $params) {
// only count up if $match[3] is not yet in lookup table
if (!empty($matches[3]) && empty($params_lookup[$matches[3]])) {
$pos++;
$params_lookup[$matches[3]] = ':' . $pos . '_named';
$params_new[] = $params[($pos - 1)] ??
throw new \RuntimeException(
'Cannot lookup ' . ($pos - 1) . ' in params list',
220
);
}
// add the connectors back (1), and the data sets only if no replacement will be done
return $matches[1] . (
empty($matches[3]) ?
$matches[2] :
$params_lookup[$matches[3]] ??
throw new \RuntimeException(
'Cannot lookup ' . $matches[3] . ' in params lookup list',
221
)
);
},
$query
);
);
},
$converted_placeholders['original']['query']
);
break;
}
// return, old query is always set
return [
// original
'original' => [
'query' => $query,
'params' => $params,
],
// type found, empty if nothing was done
'type' => $type,
// int: found, not found; -1: problem (set from false)
'found' => (int)$found,
'matches' => $matches_return,
// old to new lookup check
'params_lookup' => $params_lookup,
// new
'query' => $query_new ?? '',
'params' => $params_new,
];