From bd3911b9ac101e997ac2177469f398033d9290e2 Mon Sep 17 00:00:00 2001
From: Rene Krenn <rkrenn@sipwise.com>
Date: Mon, 6 Jun 2016 17:01:40 +0200
Subject: [PATCH] MT#20023 MT#20027 lnp numbers unique contraint and restrict
 delete cascade

+replace old lnp_provider_id index by multi-column unique index
 (safe one index)
+not replicated, as lnp_numbers table could get large

Change-Id: I776358e42345f9a58bd3c755f7e40b12c1ac0a25
---
 db_scripts/diff/15251_not_replicated.down | 11 +++++++++++
 db_scripts/diff/15251_not_replicated.up   | 15 +++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 db_scripts/diff/15251_not_replicated.down
 create mode 100644 db_scripts/diff/15251_not_replicated.up

diff --git a/db_scripts/diff/15251_not_replicated.down b/db_scripts/diff/15251_not_replicated.down
new file mode 100644
index 00000000..1f63a256
--- /dev/null
+++ b/db_scripts/diff/15251_not_replicated.down
@@ -0,0 +1,11 @@
+SET sql_log_bin=0;
+USE billing;
+
+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 CASCADE ON UPDATE CASCADE;
+
+UPDATE lnp_numbers
+SET number=SUBSTRING_INDEX(SUBSTRING_INDEX(number,'--',2),'--',-1)
+WHERE number LIKE 'dupe--%--%';
diff --git a/db_scripts/diff/15251_not_replicated.up b/db_scripts/diff/15251_not_replicated.up
new file mode 100644
index 00000000..24fb80f1
--- /dev/null
+++ b/db_scripts/diff/15251_not_replicated.up
@@ -0,0 +1,15 @@
+SET sql_log_bin=0;
+USE billing;
+
+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;