cast items in and specify insert columns, create test script

deploy/setup.sql

@@ -251,4 +251,78 @@ RAISE NOTICE '%',_sql;
 
 END
 $f$
-LANGUAGE plpgsql;
+LANGUAGE plpgsql;
+
+-----set map defintion from json argument
+CREATE OR REPLACE FUNCTION tps.srce_map_def_set(_defn jsonb) RETURNS jsonb
+AS
+$f$
+
+DECLARE
+    _message jsonb;
+    _MESSAGE_TEXT text;
+    _PG_EXCEPTION_DETAIL text;
+    _PG_EXCEPTION_HINT text;
+
+BEGIN
+
+    BEGIN
+
+        INSERT INTO
+            tps.map_rm (srce, target, regex, seq, hist)
+        SELECT
+            --data source
+            _defn->>'srce'
+            --map name
+            ,_defn->>'name'
+            --map definition
+            ,_defn
+            --map aggregation sequence
+            ,(_defn->>'sequence')::INTEGER
+            --history definition
+            ,jsonb_build_object(
+                'hist_defn',_defn
+                ,'effective',jsonb_build_array(CURRENT_TIMESTAMP,null::timestamptz)
+            ) || '[]'::jsonb
+        ON CONFLICT ON CONSTRAINT map_rm_pk DO UPDATE SET
+            srce = _defn->>'srce'
+            ,target = _defn->>'name'
+            ,regex = _defn
+            ,seq = (_defn->>'sequence')::INTEGER
+            ,hist = 
+                    --the new definition going to position -0-
+                    jsonb_build_object(
+                        'hist_defn',_defn
+                        ,'effective',jsonb_build_array(CURRENT_TIMESTAMP,null::timestamptz)
+                    ) 
+                    --the previous definition, set upper bound of effective range which was previously null
+                    || jsonb_set(
+                        map_rm.hist
+                        ,'{0,effective,1}'::text[]
+                        ,to_jsonb(CURRENT_TIMESTAMP)
+                    );
+
+    EXCEPTION WHEN OTHERS THEN
+
+        GET STACKED DIAGNOSTICS 
+                _MESSAGE_TEXT = MESSAGE_TEXT,
+                _PG_EXCEPTION_DETAIL = PG_EXCEPTION_DETAIL,
+                _PG_EXCEPTION_HINT = PG_EXCEPTION_HINT;
+            _message:= 
+            ($$
+                {
+                    "status":"fail",
+                    "message":"error setting definition"
+                }
+            $$::jsonb)
+            ||jsonb_build_object('message_text',_MESSAGE_TEXT)
+            ||jsonb_build_object('pg_exception_detail',_PG_EXCEPTION_DETAIL);
+            return _message;
+    END;
+
+    _message:= jsonb_build_object('status','complete','message','definition has been set');
+    return _message;
+
+END;
+$f$
+language plpgsql;

interface/map_def/srce_map_def_set.sql

@@ -13,7 +13,7 @@ BEGIN
     BEGIN
 
         INSERT INTO
-            tps.map_rm
+            tps.map_rm (srce, target, regex, seq, hist)
         SELECT
             --data source
             _defn->>'srce'
@@ -22,7 +22,7 @@ BEGIN
             --map definition
             ,_defn
             --map aggregation sequence
-            ,_defn->>'sequence'
+            ,(_defn->>'sequence')::INTEGER
             --history definition
             ,jsonb_build_object(
                 'hist_defn',_defn
@@ -32,7 +32,7 @@ BEGIN
             srce = _defn->>'srce'
             ,target = _defn->>'name'
             ,regex = _defn
-            ,seq = _defn->>'sequence'
+            ,seq = (_defn->>'sequence')::INTEGER
             ,hist = 
                     --the new definition going to position -0-
                     jsonb_build_object(

interface/map_def/test/test_map_set.sql

@@ -0,0 +1,27 @@
+SELECT 
+    * 
+FROM 
+    tps.srce_map_def_set(
+        $$
+            {
+                "srce":"dcard",
+                "sequence":1,
+                "defn": [
+                    {
+                        "key": "{Description}",
+                        "map": "y",
+                        "flag": "g",
+                        "field": "f20",
+                        "regex": ".{1,20}",
+                        "retain": "y"
+                    }
+                ],
+                "name": "First 20",
+                "where": [
+                    {}
+                ],
+                "function": "extract",
+                "description": "pull first 20 characters from description for mapping"
+            }
+        $$
+    )