From c13a33d847ddbae0febc8cdfa40d292247495e7f Mon Sep 17 00:00:00 2001
From: Adam Guo <adamguo@amazon.com>
Date: Wed, 21 May 2025 00:10:15 +0000
Subject: [PATCH] sql scripts

---
 pg_ivm--1.10--1.11.sql | 11 ++++--
 pg_ivm--1.11.sql       | 78 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 87 insertions(+), 2 deletions(-)
 create mode 100644 pg_ivm--1.11.sql

diff --git a/pg_ivm--1.10--1.11.sql b/pg_ivm--1.10--1.11.sql
index 1e718de..35aba6d 100644
--- a/pg_ivm--1.10--1.11.sql
+++ b/pg_ivm--1.10--1.11.sql
@@ -1,6 +1,13 @@
-ALTER TABLE pgivm.pg_ivm_immv ADD COLUMN querystring text NOT NULL;
-ALTER TABLE pgivm.pg_ivm_immv ADD COLUMN immvuuid uuid NOT NULL;
+ALTER TABLE pgivm.pg_ivm_immv ADD COLUMN querystring text;
+ALTER TABLE pgivm.pg_ivm_immv ADD COLUMN immvuuid uuid;
+
+UPDATE pgivm.pg_ivm_immv SET querystring = pgivm.get_immv_def(immvrelid);
+UPDATE pgivm.pg_ivm_immv SET immvuuid = gen_random_uuid();
+
 ALTER TABLE pgivm.pg_ivm_immv ADD CONSTRAINT pg_ivm_immv_uuid UNIQUE (immvuuid);
+ALTER TABLE pgivm.pg_ivm_immv ALTER COLUMN querystring SET NOT NULL;
+ALTER TABLE pgivm.pg_ivm_immv ALTER COLUMN immvuuid SET NOT NULL;
+ALTER TABLE pgivm.pg_ivm_immv DROP COLUMN viewdef;
 
 CREATE FUNCTION pgivm.recreate_all_immvs() RETURNS VOID LANGUAGE PLPGSQL AS
 $$
diff --git a/pg_ivm--1.11.sql b/pg_ivm--1.11.sql
new file mode 100644
index 0000000..8181acc
--- /dev/null
+++ b/pg_ivm--1.11.sql
@@ -0,0 +1,78 @@
+CREATE SCHEMA pgivm;
+
+-- catalog
+
+CREATE TABLE pgivm.pg_ivm_immv(
+  immvrelid regclass NOT NULL,
+  immvuuid uuid NOT NULL,
+  querystring text NOT NULL,
+  ispopulated bool NOT NULL,
+  lastivmupdate xid8,
+
+  CONSTRAINT pg_ivm_immv_pkey PRIMARY KEY (immvrelid),
+  CONSTRAINT pg_ivm_immv_uuid UNIQUE (immvuuid)
+);
+
+SELECT pg_catalog.pg_extension_config_dump('pgivm.pg_ivm_immv', '');
+
+-- functions
+
+CREATE FUNCTION pgivm.create_immv(text, text)
+RETURNS bigint 
+STRICT
+AS 'MODULE_PATHNAME', 'create_immv'
+LANGUAGE C;
+
+CREATE FUNCTION pgivm.refresh_immv(text, bool)
+RETURNS bigint
+STRICT
+AS 'MODULE_PATHNAME', 'refresh_immv'
+LANGUAGE C;
+
+CREATE FUNCTION pgivm.get_immv_def(IN immvrelid regclass)
+RETURNS text
+STRICT
+AS 'MODULE_PATHNAME', 'get_immv_def'
+LANGUAGE C;
+
+CREATE FUNCTION pgivm.ivm_visible_in_prestate(oid, tid, oid)
+RETURNS bool
+STABLE
+AS 'MODULE_PATHNAME', 'ivm_visible_in_prestate'
+LANGUAGE C;
+
+-- trigger functions
+
+CREATE FUNCTION pgivm."IVM_immediate_before"()
+RETURNS trigger 
+AS 'MODULE_PATHNAME', 'IVM_immediate_before'
+LANGUAGE C;
+
+CREATE FUNCTION pgivm."IVM_immediate_maintenance"()
+RETURNS trigger 
+AS 'MODULE_PATHNAME', 'IVM_immediate_maintenance'
+LANGUAGE C;
+
+CREATE FUNCTION pgivm."IVM_prevent_immv_change"()
+RETURNS trigger 
+AS 'MODULE_PATHNAME', 'IVM_prevent_immv_change'
+LANGUAGE C;
+
+GRANT SELECT ON TABLE pgivm.pg_ivm_immv TO PUBLIC;
+GRANT USAGE ON SCHEMA pgivm TO PUBLIC;
+
+-- event triggers
+
+CREATE FUNCTION pgivm.save_query_strings() RETURNS event_trigger
+AS 'MODULE_PATHNAME', 'save_query_strings' LANGUAGE C;
+
+CREATE FUNCTION pgivm.restore_query_strings() RETURNS event_trigger
+AS 'MODULE_PATHNAME', 'restore_query_strings' LANGUAGE C;
+
+CREATE EVENT TRIGGER save_query_strings
+ON ddl_command_start
+EXECUTE FUNCTION pgivm.save_query_strings();
+
+CREATE EVENT TRIGGER restore_query_strings
+ON ddl_command_end
+EXECUTE FUNCTION pgivm.restore_query_strings();