diff --git a/4dev/database/function/edit_log_partition_insert.sql b/4dev/database/function/edit_log_partition_insert.sql
index 17d4cee5..70255f52 100644
--- a/4dev/database/function/edit_log_partition_insert.sql
+++ b/4dev/database/function/edit_log_partition_insert.sql
@@ -13,54 +13,69 @@ DECLARE
 	end_date DATE;
 	timeformat TEXT := 'YYYY';
 	selector TEXT := 'year';
-	base_table TEXT := 'edit_log_';
-	_interval INTERVAL;
-	_interval_next INTERVAL;
+	base_table TEXT := 'edit_log';
+	_interval INTERVAL := '1 ' || selector;
+	_interval_next INTERVAL := '2 ' || selector;
 	table_name TEXT;
+	-- compare date column
+	compare_date DATE := NEW.event_date;
+	compare_date_name TEXT := 'event_date';
+	-- the create commands
+	command_create_table TEXT := 'CREATE TABLE IF NOT EXISTS {TABLE_NAME} (CHECK({COMPARE_DATE_NAME} >= {START_DATE} AND {COMPARE_DATE_NAME} < {END_DATE})) INHERITS ({BASE_NAME})';
+	command_create_primary_key TEXT := 'ALTER TABLE {TABLE_NAME} ADD PRIMARY KEY ({BASE_TABLE}_id)';
+	command_create_foreign_key_1 TEXT := 'ALTER TABLE {TABLE_NAME} ADD CONSTRAINT {TABLE_NAME}_euid_fkey FOREIGN KEY (euid) REFERENCES edit_user (edit_user_id) MATCH FULL ON UPDATE CASCADE ON DELETE SET NULL';
+	command_create_trigger_1 TEXT = 'CREATE TRIGGER trg_{TABLE_NAME} BEFORE INSERT OR UPDATE ON {TABLE_NAME} FOR EACH ROW EXECUTE PROCEDURE set_edit_generic()';
 BEGIN
 	-- we are in valid start time area
 	IF (NEW.event_date >= start_date) THEN
-		-- move interval
-		_interval := '1 ' || selector;
 		-- current table name
-		table_name := base_table || to_char(NEW.event_date, timeformat);
+		table_name := base_table || '_' || to_char(NEW.event_date, timeformat);
 		BEGIN
 			EXECUTE 'INSERT INTO ' || quote_ident(table_name) || ' SELECT ($1).*' USING NEW;
-			-- check if next month table exists
-			table_name := base_table || to_char((SELECT NEW.event_date + _interval)::DATE, timeformat);
-			-- RAISE NOTICE 'SEARCH NEXT: %', table_name;
-			IF  (SELECT to_regclass(table_name)) IS NULL THEN
-				-- move outer interval
-				_interval_next := '2 ' || selector;
-				-- move inner interval same
-				start_date := date_trunc(selector, NEW.event_date + _interval);
-				end_date := date_trunc(selector, NEW.event_date + _interval_next);
-				-- RAISE NOTICE 'CREATE NEXT: %', table_name;
-				-- create table
-				EXECUTE 'CREATE TABLE IF NOT EXISTS ' || quote_ident(table_name) || ' ( CHECK ( event_date >= ' || quote_literal(start_date) || ' AND event_date < ' || quote_literal(end_date) || ' ) ) INHERITS (edit_log)';
-				-- create all indexes and triggers
-				EXECUTE 'ALTER TABLE ' || quote_ident(table_name) || ' ADD PRIMARY KEY (edit_log_id)';
-				-- FK constraints
-				EXECUTE 'ALTER TABLE ' || quote_ident(table_name) || ' ADD CONSTRAINT fk_' || quote_ident(table_name) || '_euid_fkey FOREIGN KEY (euid) REFERENCES edit_user (edit_user_id) MATCH FULL ON UPDATE CASCADE ON DELETE CASCADE';
-				-- generic trigger
-				EXECUTE 'CREATE TRIGGER trg_' || quote_ident(table_name) || ' BEFORE INSERT OR UPDATE ON ' || quote_ident(table_name) || ' FOR EACH ROW EXECUTE PROCEDURE set_edit_generic()';
-			END IF;
 		-- if insert failed because of missing table, create new below
 		EXCEPTION
 		WHEN undefined_table THEN
 			-- another block, so in case the creation fails here too
 			BEGIN
-				-- create new talbe here + all indexes
+				-- create new table here + all indexes
 				start_date := date_trunc(selector, NEW.event_date);
 				end_date := date_trunc(selector, NEW.event_date + _interval);
 				-- creat table
-				EXECUTE 'CREATE TABLE IF NOT EXISTS ' || quote_ident(table_name) || ' ( CHECK ( event_date >= ' || quote_literal(start_date) || ' AND event_date < ' || quote_literal(end_date) || ' ) ) INHERITS (edit_log)';
+				EXECUTE format(REPLACE( -- end date
+					REPLACE( -- start date
+						REPLACE( -- compare date name
+							REPLACE( -- base name (inherit)
+								REPLACE( -- table name
+									command_create_table,
+									'{TABLE_NAME}',
+									table_name
+								),
+								'{BASE_NAME}',
+								base_table
+							),
+							'{COMPARE_DATE_NAME}',
+							compare_date_name
+						),
+						'{START_DATE}',
+						quote_literal(start_date)
+					),
+					'{END_DATE}',
+					quote_literal(end_date)
+				));
 				-- create all indexes and triggers
-				EXECUTE 'ALTER TABLE ' || quote_ident(table_name) || ' ADD PRIMARY KEY (edit_log_id)';
+				EXECUTE format(REPLACE(
+					REPLACE(
+						command_create_primary_key,
+						'{TABLE_NAME}',
+						table_name
+					),
+					'{BASE_TABLE}',
+					base_table
+				));
 				-- FK constraints
-				EXECUTE 'ALTER TABLE ' || quote_ident(table_name) || ' ADD CONSTRAINT fk_' || quote_ident(table_name) || '_euid_fkey FOREIGN KEY (euid) REFERENCES edit_user (edit_user_id) MATCH FULL ON UPDATE CASCADE ON DELETE CASCADE';
+				EXECUTE format(REPLACE(command_create_foreign_key_1, '{TABLE_NAME}', table_name));
 				-- generic trigger
-				EXECUTE 'CREATE TRIGGER trg_' || quote_ident(table_name) || ' BEFORE INSERT OR UPDATE ON ' || quote_ident(table_name) || ' FOR EACH ROW EXECUTE PROCEDURE set_edit_generic()';
+				EXECUTE format(REPLACE(command_create_trigger_1, '{TABLE_NAME}', table_name));
 
 				-- insert try again
 				EXECUTE 'INSERT INTO ' || quote_ident(table_name) || ' SELECT ($1).*' USING NEW;
@@ -74,6 +89,57 @@ BEGIN
 			-- if this faled, throw it into the overflow table (so we don't loose anything)
 			INSERT INTO edit_log_overflow VALUES (NEW.*);
 		END;
+		-- main insert run done, check if we have to create next months table
+		BEGIN
+			-- check if next month table exists
+			table_name := base_table || '_' || to_char((SELECT NEW.event_date + _interval)::DATE, timeformat);
+			-- RAISE NOTICE 'SEARCH NEXT: %', table_name;
+			IF  (SELECT to_regclass(table_name)) IS NULL THEN
+				-- move inner interval same
+				start_date := date_trunc(selector, NEW.event_date + _interval);
+				end_date := date_trunc(selector, NEW.event_date + _interval_next);
+				-- RAISE NOTICE 'CREATE NEXT: %', table_name;
+				-- create table
+				EXECUTE format(REPLACE( -- end date
+					REPLACE( -- start date
+						REPLACE( -- compare date name
+							REPLACE( -- base name (inherit)
+								REPLACE( -- table name
+									command_create_table,
+									'{TABLE_NAME}',
+									table_name
+								),
+								'{BASE_NAME}',
+								base_table
+							),
+							'{COMPARE_DATE_NAME}',
+							compare_date_name
+						),
+						'{START_DATE}',
+						quote_literal(start_date)
+					),
+					'{END_DATE}',
+					quote_literal(end_date)
+				));
+				-- create all indexes and triggers
+				EXECUTE format(REPLACE(
+					REPLACE(
+						command_create_primary_key,
+						'{TABLE_NAME}',
+						table_name
+					),
+					'{BASE_TABLE}',
+					base_table
+				));
+				-- FK constraints
+				EXECUTE format(REPLACE(command_create_foreign_key_1, '{TABLE_NAME}', table_name));
+				-- generic trigger
+				EXECUTE format(REPLACE(command_create_trigger_1, '{TABLE_NAME}', table_name));
+			END IF;
+		EXCEPTION
+		WHEN OTHERS THEN
+			RAISE NOTICE 'Failed to create next table: %', table_name;
+		END;
 	ELSE
 		-- if outside valid date, insert into overflow
 		INSERT INTO edit_log_overflow VALUES (NEW.*);
diff --git a/4dev/database/table/edit_log.sql b/4dev/database/table/edit_log.sql
index ec7f2c1f..59e90ed2 100644
--- a/4dev/database/table/edit_log.sql
+++ b/4dev/database/table/edit_log.sql
@@ -37,5 +37,5 @@ CREATE TABLE edit_log (
 	http_accept_charset	VARCHAR,
 	http_accept_encoding	VARCHAR,
 	session_id	VARCHAR,
-	FOREIGN KEY (euid) REFERENCES edit_user (edit_user_id) MATCH FULL ON UPDATE CASCADE
+	FOREIGN KEY (euid) REFERENCES edit_user (edit_user_id) MATCH FULL ON UPDATE CASCADE ON DELETE SET NULL
 ) INHERITS (edit_generic) WITHOUT OIDS;
diff --git a/4dev/database/table/edit_log_overflow.sql b/4dev/database/table/edit_log_overflow.sql
new file mode 100755
index 00000000..a3652f99
--- /dev/null
+++ b/4dev/database/table/edit_log_overflow.sql
@@ -0,0 +1,12 @@
+-- AUTHOR: Clemens Schwaighofer
+-- DATE: 2020/1/28
+-- DESCRIPTION:
+-- edit log overflow table
+-- this is the overflow table for partition
+-- TABLE: edit_log_overflow
+-- HISTORY:
+
+-- DROP TABLE edit_log_overflow;
+CREATE TABLE IF NOT EXISTS edit_log_overflow () INHERITS (edit_log);
+ALTER TABLE edit_log_overflow ADD PRIMARY KEY (edit_log_id);
+ALTER TABLE edit_log_overflow ADD CONSTRAINT edit_log_overflow_euid_fkey FOREIGN KEY (euid) REFERENCES edit_user (edit_user_id) MATCH FULL ON UPDATE CASCADE ON DELETE SET NULL;
diff --git a/4dev/database/trigger/trg_edit_log_overflow.sql b/4dev/database/trigger/trg_edit_log_overflow.sql
new file mode 100755
index 00000000..0aeea6d8
--- /dev/null
+++ b/4dev/database/trigger/trg_edit_log_overflow.sql
@@ -0,0 +1,4 @@
+DROP TRIGGER IF EXISTS trg_edit_log_overflow ON edit_log_overflow;
+CREATE TRIGGER trg_edit_log_overflow
+BEFORE INSERT OR UPDATE ON edit_log_overflow
+FOR EACH ROW EXECUTE PROCEDURE set_edit_generic();
diff --git a/www/lib/CoreLibs/Basic.php b/www/lib/CoreLibs/Basic.php
index 9a9220ed..447ef6a5 100644
--- a/www/lib/CoreLibs/Basic.php
+++ b/www/lib/CoreLibs/Basic.php
@@ -2045,7 +2045,7 @@ class Basic
 	 * returns int/bool in:
 	 *     -1 if the first date is smaller the last
 	 *     0 if both are equal
-	 *     1 if the end date is bigger than the last
+	 *     1 if the first date is bigger than the last
 	 *     false if no valid date/times chould be found
 	 * @param  string $start_datetime start date/time in YYYY-MM-DD HH:mm:ss
 	 * @param  string $end_datetime   end date/time in YYYY-MM-DD HH:mm:ss