Files
development/www/admin/class_test.db.php
Clemens Schwaighofer 03fbcaecfb Code Clean up, more testing
Remove unused code and classes.
Clean up code to remove all named constant from them and throw
deprecation alerts if used.
Add basic psalm setup in root folder and remove from www folder
2023-03-09 15:55:57 +09:00

542 lines
19 KiB
PHP

<?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';
// override ECHO ALL FALSE
$ECHO_ALL = true;
// define log file id
$LOG_FILE_ID = 'classTest-db';
ob_end_flush();
use CoreLibs\Debug\Support as DgS;
use CoreLibs\DB\IO as DbIo;
use CoreLibs\Debug\Support;
use CoreLibs\Convert\SetVarType;
$log = new CoreLibs\Debug\Logging([
'log_folder' => BASE . LOG,
'file_id' => $LOG_FILE_ID,
// add file date
'print_file_date' => true,
// set debug and print flags
'debug_all' => $DEBUG_ALL ?? true,
'echo_all' => $ECHO_ALL,
'print_all' => $PRINT_ALL ?? true,
]);
// db connection and attach logger
$db = new CoreLibs\DB\IO(DB_CONFIG, $log);
$db->log->debug('START', '=============================>');
$PAGE_NAME = 'TEST CLASS: DB';
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><a href="class_test.db.dbReturn.php">Class Test DB dbReturn</a></div>';
print '<div><h1>' . $PAGE_NAME . '</h1></div>';
print "LOGFILE NAME: " . $db->log->getSetting('log_file_name') . "<br>";
print "LOGFILE ID: " . $db->log->getSetting('log_file_id') . "<br>";
print "DBINFO: " . $db->dbInfo() . "<br>";
echo "DB_CONFIG_SET constant: <pre>" . print_r(DB_CONFIG, true) . "</pre><br>";
// DB client encoding
print "DB client encoding: " . $db->dbGetEncoding() . "<br>";
print "DB search path: " . $db->dbGetSchema() . "<br>";
$to_db_version = '13.6';
print "VERSION DB: " . $db->dbVersion() . "<br>";
print "VERSION LONG DB: " . $db->dbVersionInfo('server', false) . "<br>";
print "VERSION NUMERIC DB: " . $db->dbVersionNumeric() . "<br>";
print "SERVER ENCODING: " . $db->dbVersionInfo('server_encoding') . "<br>";
print "ALL PG VERSION PARAMETERS: <pre>" . print_r($db->dbVersionInfoParameters(), true) . "</pre><br>";
if (($dbh = $db->dbGetDbh()) instanceof \PgSql\Connection) {
print "ALL OUTPUT [TEST]: <pre>" . print_r(pg_version($dbh), true) . "</pre><br>";
} else {
print "NO DB HANDLER<br>";
}
print "DB Version smaller $to_db_version: " . $db->dbCompareVersion('<' . $to_db_version) . "<br>";
print "DB Version smaller than $to_db_version: " . $db->dbCompareVersion('<=' . $to_db_version) . "<br>";
print "DB Version equal $to_db_version: " . $db->dbCompareVersion('=' . $to_db_version) . "<br>";
print "DB Version bigger than $to_db_version: " . $db->dbCompareVersion('>=' . $to_db_version) . "<br>";
print "DB Version bigger $to_db_version: " . $db->dbCompareVersion('>' . $to_db_version) . "<br>";
$db->dbSetEncoding('SJIS');
print "ENCODING TEST: " . $db->dbVersionInfo('client_encoding') . "/" . $db->dbGetEncoding() . "<br>";
$db->dbResetEncoding();
// TEST CACHE READS
$res = $db->dbReturn("SELECT * FROM max_test");
print "DB RETURN ROWS: " . $db->dbGetNumRows() . "<br>";
while (is_array($res = $db->dbReturn("SELECT * FROM max_test", DbIo::USE_CACHE, true))) {
print "UUD/TIME: " . $res['uid'] . "/" . $res['time'] . "<br>";
}
print "CACHED DATA: <pre>" . print_r($db->dbGetCursorExt(), true) . "</pre><br>";
while (is_array($res = $db->dbReturn("SELECT * FROM max_test", DbIo::USE_CACHE))) {
print "[CACHED] UID/TIME: " . $res['uid'] . "/" . $res['time'] . "<br>";
// print "****RES: <pre>" . print_r($res, true) . "</pre><br>";
}
// print "CACHED REREAD DATA: <pre>" . print_r($db->dbGetCursorExt(), true) . "</pre><br>";
while (is_array($res = $db->dbReturn("SELECT * FROM max_test", DbIo::NO_CACHE))) {
print "[NO CACHE] UID.TIME: " . $res['uid'] . "/" . $res['time'] . "<br>";
// print "****RES: <pre>" . print_r($res, true) . "</pre><br>";
}
print "NO CACHED DATA: <pre>" . print_r($db->dbGetCursorExt(), true) . "</pre><br>";
// alternate check for valid data
// while (($res = $db->dbReturn("SELECT * FROM max_test")) !== false) {
// print "[CACHED] TIME: " . $res['time'] . "<br>";
// }
// while (is_array($res = $db->dbReturn("SELECT * FROM max_test", DbIo::USE_CACHE))) {
// print "UUD/TIME: " . $res['uid'] . "/" . $res['time'] . "<br>";
// }
// dbReturn tests on separate page
print "<br>";
print "<b>dbReturn CACHE tests</b><br>";
print '<a href="class_test.db.dbReturn.php">Class Test DB dbReturn</a><br>';
print "<br>";
print "<pre>";
if (($dbh = $db->dbGetDbh()) instanceof \PgSql\Connection) {
print "SOCKET: " . pg_socket($dbh) . "<br>";
} else {
print "NO SOCKET<br>";
}
// truncate test_foo table before testing
print "<b>TRUNCATE test_foo</b><br>";
$query = "TRUNCATE test_foo";
$db->dbExec($query);
print "<b>TRUNCATE test_foobar</b><br>";
$query = "TRUNCATE test_foobar";
$db->dbExec($query);
$status = $db->dbExec("INSERT INTO test_foo (test, number_a) VALUES "
. "('FOO TEST " . time() . "', 1) RETURNING test, number_a");
print "DIRECT INSERT STATUS: " . Support::printToString($status) . " |<br>"
. "QUERY: " . $db->dbGetQuery() . " |<br>"
. "DB OBJECT: <pre>" . print_r($status, true) . "</pre>| "
. "PRIMARY KEY: " . Support::printToString($db->dbGetInsertPK()) . " | "
. "RETURNING EXT: " . print_r($db->dbGetReturningExt(), true) . " | "
. "RETURNING EXT[test]: " . print_r($db->dbGetReturningExt('test'), true) . " | "
. "RETURNING ARRAY: " . print_r($db->dbGetReturningArray(), true) . "<br>";
var_dump($db->dbGetReturningExt());
// same as above but use an EOM string
$some_time = time();
$query = <<<EOM
INSERT INTO test_foo (
test, number_a
) VALUES (
'EOM FOO TEST $some_time', 1
)
RETURNING test, number_a
EOM;
$status = $db->dbExec($query);
print "EOM STRING DIRECT INSERT STATUS: " . Support::printToString($status) . " |<br>"
. "QUERY: " . $db->dbGetQuery() . " |<br>"
. "DB OBJECT: <pre>" . print_r($status, true) . "</pre>| "
. "PRIMARY KEY: " . Support::printToString($db->dbGetInsertPK()) . " | "
. "RETURNING EXT: " . print_r($db->dbGetReturningExt(), true) . " | "
. "RETURNING EXT[test]: " . print_r($db->dbGetReturningExt('test'), true) . " | "
. "RETURNING ARRAY: " . print_r($db->dbGetReturningArray(), true) . "<br>";
var_dump($db->dbGetReturningExt());
// should throw deprecated error
// $db->getReturningExt();
$last_insert_pk = $db->dbGetInsertPK();
print "DIRECT INSERT PREVIOUS INSERTED: "
. print_r($db->dbReturnRow("SELECT test_foo_id, test FROM test_foo "
. "WHERE test_foo_id = " . (int)$last_insert_pk), true) . "<br>";
$__last_insert_pk = (int)$last_insert_pk;
$q = <<<EOM
SELECT
test_foo_id, test
FROM test_foo
WHERE test_foo_id = $__last_insert_pk;
EOM;
print "EOM READ OF PREVIOUS INSERTED: " . print_r($db->dbReturnRow($q), true) . "<br>";
print "LAST ERROR: " . $db->dbGetLastError() . "<br>";
print "<br>";
// PREPARED INSERT
$db->dbPrepare("ins_test_foo", "INSERT INTO test_foo (test) VALUES ($1) RETURNING test");
$status = $db->dbExecute("ins_test_foo", ['BAR TEST ' . time()]);
print "PREPARE INSERT[ins_test_foo] STATUS: " . Support::printToString($status) . " |<br>"
. "QUERY: " . $db->dbGetPrepareCursorValue('ins_test_foo', 'query') . " |<br>"
. "PRIMARY KEY: " . Support::printToString($db->dbGetInsertPK()) . " | "
. "RETURNING EXT: " . print_r($db->dbGetReturningExt(), true) . " | "
. "RETURNING RETURN: " . print_r($db->dbGetReturningArray(), true) . "<br>";
print "PREPARE INSERT PREVIOUS INSERTED: "
. print_r($db->dbReturnRow("SELECT test_foo_id, test FROM test_foo "
. "WHERE test_foo_id = " . (int)$db->dbGetInsertPK()), true) . "<br>";
print "PREPARE CURSOR RETURN:<br>";
foreach (['pk_name', 'count', 'query', 'returning_id'] as $key) {
print "KEY: " . $key . ': ' . $db->dbGetPrepareCursorValue('ins_test_foo', $key) . "<br>";
}
$query = <<<EOM
INSERT INTO test_foo (
test
) VALUES (
$1
)
RETURNING test
EOM;
$db->dbPrepare("ins_test_foo_eom", $query);
$status = $db->dbExecute("ins_test_foo_eom", ['EOM BAR TEST ' . time()]);
print "EOM STRING PREPARE INSERT[ins_test_foo_eom] STATUS: " . Support::printToString($status) . " |<br>"
. "QUERY: " . $db->dbGetPrepareCursorValue('ins_test_foo_eom', 'query') . " |<br>"
. "PRIMARY KEY: " . Support::printToString($db->dbGetInsertPK()) . " | "
. "RETURNING EXT: " . print_r($db->dbGetReturningExt(), true) . " | "
. "RETURNING RETURN: " . print_r($db->dbGetReturningArray(), true) . "<br>";
// returning test with multiple entries
// $status = $db->db_exec(
// "INSERT INTO test_foo (test) VALUES "
// . "('BAR 1 " . time() . "'), "
// . "('BAR 2 " . time() . "'), "
// . "('BAR 3 " . time() . "') "
// . "RETURNING test_foo_id"
// );
$status = $db->dbExec(
"INSERT INTO test_foo (test) VALUES "
. "('BAR 1 " . time() . "'), "
. "('BAR 2 " . time() . "'), "
. "('BAR 3 " . time() . "') "
. "RETURNING test_foo_id, test"
);
print "DIRECT MULTIPLE INSERT WITH RETURN STATUS: " . Support::printToString($status) . " |<br>"
. "QUERY: " . $db->dbGetQuery() . " |<br>"
. "PRIMARY KEYS: " . print_r($db->dbGetInsertPK(), true) . " | "
. "RETURNING EXT: " . print_r($db->dbGetReturningExt(), true) . " | "
. "RETURNING EXT[test]: " . print_r($db->dbGetReturningExt('test'), true) . " | "
. "RETURNING ARRAY: " . print_r($db->dbGetReturningArray(), true) . "<br>";
$t_1 = time();
$t_2 = time();
$t_3 = time();
$query = <<<EOM
INSERT INTO test_foo (
test
) VALUES
('EOM BAR 1 $t_1'),
('EOM BAR 2 $t_2'),
('EOM BAR 3 $t_3')
RETURNING test_foo_id, test
EOM;
$status = $db->dbExec($query);
print "EOM STRING DIRECT MULTIPLE INSERT WITH RETURN STATUS: " . Support::printToString($status) . " |<br>"
. "QUERY: " . $db->dbGetQuery() . " |<br>"
. "PRIMARY KEYS: " . print_r($db->dbGetInsertPK(), true) . " | "
. "RETURNING EXT: " . print_r($db->dbGetReturningExt(), true) . " | "
. "RETURNING EXT[test]: " . print_r($db->dbGetReturningExt('test'), true) . " | "
. "RETURNING ARRAY: " . print_r($db->dbGetReturningArray(), true) . "<br>";
// no returning, but not needed ;
$status = $db->dbExec("INSERT INTO test_foo (test) VALUES ('FOO; TEST " . time() . "')");
print "DIRECT INSERT NO RETURN STATUS: " . Support::printToString($status) . " |<br>"
. "QUERY: " . $db->dbGetQuery() . " |<br>"
. "PRIMARY KEY: " . Support::printToString($db->dbGetInsertPK()) . " | "
. "RETURNING EXT: " . print_r($db->dbGetReturningExt(), true) . " | "
. "RETURNING ARRAY: " . print_r($db->dbGetReturningArray(), true) . "<br>";
$last_insert_pk = $db->dbGetInsertPK();
// is_array read test
$q = "SELECT test_foo_id, test FROM test_foo WHERE test_foo_id = " . (int)$last_insert_pk;
if (is_array($s_res = $db->dbReturnRow($q)) && !empty($s_res['test'])) {
print "WE HAVE DATA FOR: " . Support::printToString($last_insert_pk) . " WITH: " . $s_res['test'] . "<br>";
}
// UPDATE WITH RETURNING
$status = $db->dbExec("UPDATE test_foo SET test = 'SOMETHING DIFFERENT' "
. "WHERE test_foo_id = " . (int)$last_insert_pk . " RETURNING test");
print "UPDATE WITH PK " . Support::printToString($last_insert_pk)
. " RETURN STATUS: " . Support::printToString($status) . " |<br>"
. "QUERY: " . $db->dbGetQuery() . " |<br>"
. "RETURNING EXT: " . print_r($db->dbGetReturningExt(), true) . " | "
. "RETURNING ARRAY: " . print_r($db->dbGetReturningArray(), true) . "<br>";
// INSERT WITH NO RETURNING
$status = $db->dbExec("INSERT INTO test_foobar (type, integer) VALUES ('WITHOUT DATA', 456)");
print "INSERT WITH NO PRIMARY KEY NO RETURNING STATUS: " . Support::printToString($status) . " |<br>"
. "QUERY: " . $db->dbGetQuery() . " |<br>"
. "PRIMARY KEY: " . Support::printToString($db->dbGetInsertPK()) . " | "
. "RETURNING EXT: " . print_r($db->dbGetReturningExt(), true) . " | "
. "RETURNING ARRAY: " . print_r($db->dbGetReturningArray(), true) . "<br>";
$status = $db->dbExec("INSERT INTO test_foobar (type, integer) VALUES ('WITH DATA', 123) RETURNING type, integer");
print "INSERT WITH NO PRIMARY KEY WITH RETURNING STATUS: " . Support::printToString($status) . " |<br>"
. "QUERY: " . $db->dbGetQuery() . " |<br>"
. "PRIMARY KEY: " . Support::printToString($db->dbGetInsertPK()) . " | "
. "RETURNING EXT: " . print_r($db->dbGetReturningExt(), true) . " | "
. "RETURNING ARRAY: " . print_r($db->dbGetReturningArray(), true) . "<br>";
print "</pre>";
// READ PREPARE
$q_prep = "SELECT test_foo_id, test, some_bool, string_a, number_a, "
. "number_a_numeric, some_time "
. "FROM test_foo "
. "WHERE test = $1 "
. "ORDER BY test_foo_id DESC LIMIT 5";
if ($db->dbPrepare('sel_test_foo', $q_prep) === false) {
print "Error in sel_test_foo prepare<br>";
} else {
$max_rows = 6;
// do not run this in dbFetchArray directly as
// dbFetchArray(dbExecute(...))
// this will end in an endless loop
$cursor = $db->dbExecute('sel_test_foo', []);
$i = 1;
while (($res = $db->dbFetchArray($cursor, true)) !== false) {
print "DB PREP EXEC FETCH ARR: " . $i . ": <pre>" . print_r($res, true) . "</pre><br>";
$i++;
}
}
// prepre a second time on normal connection
if ($db->dbPrepare('sel_test_foo', $q_prep) === false) {
print "Error prepareing<br>";
print "ERROR (dbPrepare on same query): "
. $db->dbGetLastError() . "/" . $db->dbGetLastWarning() . "/"
. "<pre>" . print_r($db->dbGetCombinedErrorHistory(), true) . "</pre><br>";
}
echo "<hr>";
print "EOM STYLE STRINGS<br>";
$test_bar = $db->dbEscapeLiteral('SOMETHING DIFFERENT');
// Test EOM block
$q = <<<EOM
SELECT test_foo_id, test, some_bool, string_a, number_a,
-- comment
number_a_numeric, some_time
FROM test_foo
WHERE test = $test_bar
ORDER BY test_foo_id DESC LIMIT 5
EOM;
while (is_array($res = $db->dbReturn($q))) {
print "ROW: <pre>" . print_r($res, true) . "</pre><br>";
}
echo "<hr>";
// NOTE: try to replacate connection still exists if script is run a second time
// open pg bouncer connection
$db_pgb = new CoreLibs\DB\IO($DB_CONFIG['test_pgbouncer'] ?? [], $log);
print "[PGB] DBINFO: " . $db_pgb->dbInfo() . "<br>";
if ($db->dbPrepare('pgb_sel_test_foo', $q_prep) === false) {
print "[PGB] [1] Error in pgb_sel_test_foo prepare<br>";
} else {
print "[PGB] [1] pgb_sel_test_foo prepare OK<br>";
}
// second prepare
if ($db->dbPrepare('pgb_sel_test_foo', $q_prep) === false) {
print "[PGB] [2] Error in pgb_sel_test_foo prepare<br>";
} else {
print "[PGB] [2] pgb_sel_test_foo prepare OK<br>";
}
$db_pgb->dbClose();
# db write class test
$table = 'test_foo';
print "TABLE META DATA: " . DgS::printAr(SetVarType::setArray(
$db->dbShowTableMetaData($table)
)) . "<br>";
// insert first, then use primary key to update
$primary_key = ''; # unset
$db_write_table = ['test', 'string_a', 'number_a', 'some_bool'];
$object_fields_not_touch = [];
$object_fields_not_update = [];
$data = [
'test' => 'dbWriteDataExt: BOOL TEST SOMETHING ' . time(), 'string_a' => 'SOME TEXT', 'number_a' => 5
];
$primary_key = $db->dbWriteDataExt(
$db_write_table,
$primary_key,
$table,
$object_fields_not_touch,
$object_fields_not_update,
$data
);
print "Wrote to DB tabel $table with data " . print_r($data, true) . " and got primary key $primary_key<br>";
$data = [
'test' => 'dbWriteDataExt: BOOL TEST ON ' . time(), 'string_a' => '', 'number_a' => 0, 'some_bool' => 1
];
$primary_key = $db->dbWriteDataExt(
$db_write_table,
(int)$primary_key,
$table,
$object_fields_not_touch,
$object_fields_not_update,
$data
);
print "Wrote to DB tabel $table with data " . print_r($data, true) . " and got primary key $primary_key<br>";
$data = [
'test' => 'dbWriteDataExt: BOOL TEST OFF ' . time(), 'string_a' => null, 'number_a' => null, 'some_bool' => 0
];
$primary_key = $db->dbWriteDataExt(
$db_write_table,
(int)$primary_key,
$table,
$object_fields_not_touch,
$object_fields_not_update,
$data
);
print "Wrote to DB tabel $table with data " . print_r($data, true) . " and got primary key $primary_key<br>";
$data = [
'test' => 'dbWriteDataExt: BOOL TEST UNSET ' . time()
];
$primary_key = $db->dbWriteDataExt(
$db_write_table,
(int)$primary_key,
$table,
$object_fields_not_touch,
$object_fields_not_update,
$data
);
print "Wrote to DB tabel $table with data " . print_r($data, true) . " and got primary key $primary_key<br>";
// return Array Test
$query = "SELECT type, sdate, integer FROM foobar";
$data = $db->dbReturnArray($query, true);
print "Rows: " . $db->dbGetNumRows() . ", Full foobar list: <br><pre>" . print_r($data, true) . "</pre><br>";
// trigger a warning
print "<b>WARNING NEXT</b><br>";
// trigger an error
print "<b>ERROR NEXT</b><br>";
$query = "INSERT invalid FROM invalid";
$data = $db->dbReturnArray($query);
print "ERROR (INS ON dbExec): "
. $db->dbGetLastError() . "/" . $db->dbGetLastWarning() . "/"
. "<pre>" . print_r($db->dbGetCombinedErrorHistory(), true) . "</pre><br>";
$query = "SELECT invalid FROM invalid";
$data = $db->dbReturnArray($query);
print "ERROR (HARD ERROR): "
. $db->dbGetLastError() . "/" . $db->dbGetLastWarning() . "/"
. "<pre>" . print_r($db->dbGetCombinedErrorHistory(), true) . "</pre><br>";
// Now a good query will fail
$query = "SELECT type, sdate, integer FROM foobar";
$data = $db->dbReturnRow($query, true);
print "GOOD SELECT AFTER ERROR: "
. $db->dbGetLastError() . "/" . $db->dbGetLastWarning() . "/"
. "<pre>" . print_r($db->dbGetCombinedErrorHistory(), true) . "</pre><br>";
print "GOOD SELECT AFTER ERROR: <br><pre>" . print_r($data, true) . "</pre><br>";
/*
set error id in
dbPrepare
dbExecute
dbExecAsync
dbWriteDataExt
dbReturnArray
dbReturnRow
dbFetchArray (?)
dbExec (if not set before)
dbReturn
dbShowTableMetaData
*/
// how to handle HARD errors
# async test queries
/*
$db->dbExecAsync(
"SELECT test FROM test_foo, (SELECT pg_sleep(10)) as sub "
. "WHERE test_foo_id IN (27, 50, 67, 44, 10)"
);
echo "WAITING FOR ASYNC: ";
$chars = ['|', '/', '-', '\\'];
while (($ret = $db->dbCheckAsync()) === true) {
if ((list($_, $char) = each($chars)) === FALSE) {
reset($chars);
list($_, $char) = each($chars);
}
print $char;
sleep(1);
flush();
}
print "<br>END STATUS: " . $ret . "<br>";
// while ($res = $db->dbFetchArray($ret))
while ($res = $db->dbFetchArray()) {
echo "RES: " . $res['test'] . "<br>";
}
# test async insert
$db->dbExecAsync("INSERT INTO test_foo (Test) VALUES ('ASYNC TEST " . time() . "')");
echo "WAITING FOR ASYNC INSERT: ";
while (($ret = $db->dbCheckAsync()) === true) {
print " . ";
sleep(1);
flush();
}
print "<br>END STATUS: " . $ret . " | PK: " . $db->insert_id . "<br>";
print "ASYNC PREVIOUS INSERTED: "
. print_r(
$db->dbReturnRow("SELECT test_foo_id, test FROM test_foo WHERE test_foo_id = "
. $db->insert_id),
true
) . "<br>";
*/
/*
$q = "Select * from test_foo";
$test_foo = $db->dbExecAsync($q);
print "[ERR] Query: " . $q . "<br>";
print "[ERR] RESOURCE: $test_foo<br>";
while (($ret = $db->dbCheckAsync()) === true)
{
print "[ERR]: $ret<br>";
sleep(5);
}
*/
// search path check
$q = "SHOW search_path";
$cursor = $db->dbExec($q);
$data = $db->dbFetchArray($cursor)['search_path'] ?? '';
print "RETURN DATA FOR search_path: " . $data . "<br>";
// print "RETURN DATA FOR search_path: " . DgS::printAr($data) . "<br>";
// insert something into test.schema_test and see if we get the PK back
$status = $db->dbExec(
"INSERT INTO test.schema_test (contents, id) VALUES "
. "('TIME: " . (string)time() . "', " . (string)rand(1, 10) . ")"
);
print "OTHER SCHEMA INSERT STATUS: "
. Support::printToString($status)
. " | PK NAME: " . $db->dbGetInsertPKName()
. ", PRIMARY KEY: " . Support::printToString($db->dbGetInsertPK()) . "<br>";
print "<b>NULL TEST DB READ</b><br>";
$q = "SELECT uid, null_varchar, null_int FROM test_null_data WHERE uid = 'A'";
$res = $db->dbReturnRow($q);
var_dump($res);
print "RES: " . DgS::printAr(SetVarType::setArray($res)) . "<br>";
print "ISSET: " . isset($res['null_varchar']) . "<br>";
print "EMPTY: " . empty($res['null_varchar']) . "<br>";
// error message
print $log->printErrorMsg();
print "</body></html>";
// __END__