initail migration

db/migration/base/001.up.base.sql

@@ -0,0 +1,82 @@
+create domain dmn_code as text not null;
+create domain dmn_money as numeric(22, 4);
+create domain dmn_qty numeric(18, 6);
+create domain dmn_rate as numeric(5, 2);
+
+create function iif(condition boolean, true_result anyelement, false_result anyelement) returns anyelement
+    immutable
+    language sql
+as
+$$
+SELECT CASE
+           WHEN condition THEN true_result
+           ELSE false_result
+           END
+$$;
+
+CREATE
+    OR REPLACE FUNCTION zllog()
+    RETURNS trigger
+    LANGUAGE plpgsql
+AS
+$BODY$
+BEGIN
+    if
+        (TG_OP = 'INSERT') then
+        if (new.zlins_dttm is null) then
+            new.zlins_dttm = current_timestamp;
+        END if;
+    end if;
+
+    if
+        (TG_OP = 'UPDATE') then
+        if (new.zlupd_dttm is null) then
+            new.zlupd_dttm = current_timestamp;
+        end if;
+    end if;
+
+    RETURN NEW;
+END;
+$BODY$;
+
+
+create table logdml
+(
+    id        bigint generated by default as identity
+        primary key,
+    opr       text,
+    dttm      timestamp with time zone default CURRENT_TIMESTAMP not null,
+    src_table text,
+    src_id    bigint,
+    usr_id    bigint,
+    msg       text,
+    old_val   jsonb,
+    new_val   jsonb
+);
+
+create index ndx_logdml_dttm
+    on logdml (dttm);
+
+create index ndx_logdml_dttm_desc
+    on logdml (dttm desc);
+
+create index ndx_logdml_table
+    on logdml (src_table, src_id);
+
+
+create table sykv
+(
+    key text not null
+        primary key,
+    val text
+);
+
+create table symigrate
+(
+    id            bigint generated by default as identity
+        primary key,
+    tracking_name text,
+    dttm          timestamp default CURRENT_TIMESTAMP,
+    last_script   integer,
+    log           text
+);