diff --git a/src/DB/SQL/Interface/SqlFunctions.php b/src/DB/SQL/Interface/SqlFunctions.php
index 7e81a16..8ccfa9a 100644
--- a/src/DB/SQL/Interface/SqlFunctions.php
+++ b/src/DB/SQL/Interface/SqlFunctions.php
@@ -285,6 +285,22 @@ interface SqlFunctions
 	 */
 	public function __dbConnectionBusySocketWait(int $timeout_seconds = 3): bool;
 
+	/**
+	 * Undocumented function
+	 *
+	 * @param  string $parameter
+	 * @param  bool   $strip
+	 * @return string
+	 */
+	public function __dbVersionInfo(string $parameter, bool $strip = true): string;
+
+	/**
+	 * Undocumented function
+	 *
+	 * @return array<mixed>
+	 */
+	public function __dbVersionInfoParameterList(): array;
+
 	/**
 	 * Undocumented function
 	 *
@@ -292,6 +308,13 @@ interface SqlFunctions
 	 */
 	public function __dbVersion(): string;
 
+	/**
+	 * Undocumented function
+	 *
+	 * @return int
+	 */
+	public function __dbVersionNumeric(): int;
+
 	/**
 	 * Undocumented function
 	 *
@@ -306,6 +329,14 @@ interface SqlFunctions
 		?int &$end = null
 	): ?array;
 
+	/**
+	 * Undocumented function
+	 *
+	 * @param  string      $parameter
+	 * @return string|bool
+	 */
+	public function __dbParameter(string $parameter): string|bool;
+
 	/**
 	 * Undocumented function
 	 *
@@ -343,6 +374,14 @@ interface SqlFunctions
 	 * @return string
 	 */
 	public function __dbGetEncoding(): string;
+
+	/**
+	 * Undocumented function
+	 *
+	 * @param  string $query
+	 * @return int
+	 */
+	public function __dbCountQueryParams(string $query): int;
 }
 
 // __END__
diff --git a/src/DB/SQL/PgSQL.php b/src/DB/SQL/PgSQL.php
index 53b9725..a343c8b 100644
--- a/src/DB/SQL/PgSQL.php
+++ b/src/DB/SQL/PgSQL.php
@@ -407,17 +407,13 @@ class PgSQL implements Interface\SqlFunctions
 			}
 			// no PK name given at all
 			if (empty($pk_name)) {
-				// if name is plurar, make it singular
-				// if (preg_match("/.*s$/i", $table))
-				// 	$table = substr($table, 0, -1);
 				// set pk_name to "id"
 				$pk_name = $table . "_id";
 			}
-			$seq = ($schema ? $schema . '.' : '') . $table . "_" . $pk_name . "_seq";
-			$q = "SELECT CURRVAL('$seq') AS insert_id";
+			$q = "SELECT CURRVAL(pg_get_serial_sequence($1, $2)) AS insert_id";
 			// I have to do manually or I overwrite the original insert internal vars ...
-			if ($q = $this->__dbQuery($q)) {
-				if (is_array($res = $this->__dbFetchArray($q))) {
+			if ($cursor = $this->__dbQueryParams($q, [$table, $pk_name])) {
+				if (is_array($res = $this->__dbFetchArray($cursor))) {
 					list($id) = $res;
 				} else {
 					return false;
@@ -451,26 +447,36 @@ class PgSQL implements Interface\SqlFunctions
 					$table_prefix = $schema . '.';
 				}
 			}
+			$params = [$table_prefix . $table];
+			$replace = ['', ''];
 			// read from table the PK name
 			// faster primary key get
-			$q = "SELECT pg_attribute.attname AS column_name, "
-				. "format_type(pg_attribute.atttypid, pg_attribute.atttypmod) AS type "
-				. "FROM pg_index, pg_class, pg_attribute ";
+			$q = <<<SQL
+			SELECT
+				pg_attribute.attname AS column_name,
+				format_type(pg_attribute.atttypid, pg_attribute.atttypmod) AS type
+			FROM pg_index, pg_class, pg_attribute{PG_NAMESPACE}
+			WHERE
+				-- regclass translates the OID to the name
+				pg_class.oid = $1::regclass AND
+				indrelid = pg_class.oid AND
+				pg_attribute.attrelid = pg_class.oid AND
+				pg_attribute.attnum = any(pg_index.indkey) AND
+				indisprimary
+				{NSPNAME}
+			SQL;
 			if ($schema) {
-				$q .= ", pg_namespace ";
+				$params[] = $schema;
+				$replace = [
+					", pg_namespace",
+					"AND pg_class.relnamespace = pg_namespace.oid AND nspname = $2"
+				];
 			}
-			$q .= "WHERE "
-				// regclass translates the OID to the name
-				. "pg_class.oid = '" . $table_prefix . $table . "'::regclass AND "
-				. "indrelid = pg_class.oid AND ";
-			if ($schema) {
-				$q .= "nspname = '" . $schema . "' AND "
-					. "pg_class.relnamespace = pg_namespace.oid AND ";
-			}
-			$q .= "pg_attribute.attrelid = pg_class.oid AND "
-				. "pg_attribute.attnum = any(pg_index.indkey) "
-				. "AND indisprimary";
-			$cursor = $this->__dbQuery($q);
+			$cursor = $this->__dbQueryParams(str_replace(
+				['{PG_NAMESPACE}', '{NSPNAME}'],
+				$replace,
+				$q
+			), $params);
 			if ($cursor !== false) {
 				$__db_fetch_array = $this->__dbFetchArray($cursor);
 				if (!is_array($__db_fetch_array)) {
@@ -895,11 +901,13 @@ class PgSQL implements Interface\SqlFunctions
 	public function __dbSetSchema(string $db_schema): int
 	{
 		// check if schema actually exists
-		$query = "SELECT EXISTS("
-			. "SELECT 1 FROM information_schema.schemata "
-			. "WHERE schema_name = " . $this->__dbEscapeLiteral($db_schema)
-			. ")";
-		$cursor = $this->__dbQuery($query);
+		$query = <<<SQL
+		SELECT EXISTS (
+			SELECT 1 FROM information_schema.schemata
+			WHERE schema_name = $1
+		)
+		SQL;
+		$cursor = $this->__dbQueryParams($query, [$db_schema]);
 		// abort if execution fails
 		if ($cursor === false) {
 			return 1;
diff --git a/test/phpunit/DB/CoreLibsDBIOTest.php b/test/phpunit/DB/CoreLibsDBIOTest.php
index d6fa940..ec8a28e 100644
--- a/test/phpunit/DB/CoreLibsDBIOTest.php
+++ b/test/phpunit/DB/CoreLibsDBIOTest.php
@@ -160,15 +160,12 @@ final class CoreLibsDBIOTest extends TestCase
 		// create the tables
 		$db->dbExec(
 			// primary key name is table + '_id'
+				// table_with_primary_key_id SERIAL PRIMARY KEY,
 			<<<SQL
 			CREATE TABLE table_with_primary_key (
-				table_with_primary_key_id SERIAL PRIMARY KEY,
+				table_with_primary_key_id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
 				$base_table
 			SQL
-			/* "CREATE TABLE table_with_primary_key ("
-			// primary key name is table + '_id'
-			. "table_with_primary_key_id SERIAL PRIMARY KEY, "
-			. $base_table */
 		);
 		$db->dbExec(
 			<<<SQL