MT#20027 porting number history

-undo lnp unique constraints
-restoring separate number index to accelerate actual numbers view
-retain cascade delete restrict
-15285->15288
-start date index

Change-Id: I6380479da14302abdb7309da4b7ec22cebe568cd

db_scripts/diff/15288_not_replicated.down

@@ -0,0 +1,19 @@
+SET sql_log_bin=0;
+USE billing;
+
+#redo 15251:
+UPDATE
+             lnp_numbers a
+  CROSS JOIN lnp_numbers b
+SET a.number = CONCAT('dupe--',a.number,'--',a.id)
+WHERE
+  a.id < b.id
+  and (a.number = b.number and a.lnp_provider_id = b.lnp_provider_id);
+
+ALTER TABLE lnp_numbers DROP FOREIGN KEY l_n_lnpproid_ref;
+DROP INDEX l_n_lnpproid_ref ON lnp_numbers;
+CREATE UNIQUE INDEX l_n_lnpproidnumber_idx ON lnp_numbers (lnp_provider_id,number);
+ALTER TABLE lnp_numbers ADD CONSTRAINT l_n_lnpproid_ref FOREIGN KEY (lnp_provider_id) REFERENCES lnp_providers (id) ON DELETE RESTRICT ON UPDATE CASCADE;
+
+DROP INDEX l_n_start_idx ON lnp_numbers;
+

db_scripts/diff/15288_not_replicated.up

@@ -0,0 +1,15 @@
+SET sql_log_bin=0;
+USE billing;
+
+#undo 15251:
+ALTER TABLE lnp_numbers DROP FOREIGN KEY l_n_lnpproid_ref;
+DROP INDEX l_n_lnpproidnumber_idx ON lnp_numbers;
+CREATE INDEX l_n_lnpproid_ref ON lnp_numbers (lnp_provider_id);
+ALTER TABLE lnp_numbers ADD CONSTRAINT l_n_lnpproid_ref FOREIGN KEY (lnp_provider_id) REFERENCES lnp_providers (id) ON DELETE RESTRICT ON UPDATE CASCADE;
+
+UPDATE lnp_numbers
+SET number=SUBSTRING_INDEX(SUBSTRING_INDEX(number,'--',2),'--',-1)
+WHERE number LIKE 'dupe--%--%';
+
+CREATE INDEX l_n_start_idx ON lnp_numbers (start);
+