bdr_quickstart.sh: Use shallow clone, to make it faster

Makefile.in

@@ -41,7 +41,8 @@ DATA = \
 	extsql/bdr--0.10.0.4--0.10.0.5.sql \
 	extsql/bdr--0.10.0.5--0.10.0.6.sql \
 	extsql/bdr--0.10.0.6--0.10.0.7.sql \
-	extsql/bdr--0.10.0.7--0.10.0.8.sql
+	extsql/bdr--0.10.0.7--0.10.0.8.sql \
+	extsql/bdr--0.10.0.8--0.10.0.9.sql
 
 DATA_built = \
 	extsql/bdr--0.8.0.1.sql \
@@ -68,7 +69,8 @@ DATA_built = \
 	extsql/bdr--0.10.0.5.sql \
 	extsql/bdr--0.10.0.6.sql \
 	extsql/bdr--0.10.0.7.sql \
-	extsql/bdr--0.10.0.8.sql
+	extsql/bdr--0.10.0.8.sql \
+	extsql/bdr--0.10.0.9.sql
 
 DOCS = bdr.conf.sample README.bdr
 SCRIPTS = scripts/bdr_initial_load bdr_init_copy bdr_resetxlog bdr_dump
@@ -242,6 +244,10 @@ extsql/bdr--0.10.0.8.sql: extsql/bdr--0.10.0.7.sql extsql/bdr--0.10.0.7--0.10.0.
 	mkdir -p extsql
 	cat $^ > $@
 
+extsql/bdr--0.10.0.9.sql: extsql/bdr--0.10.0.8.sql extsql/bdr--0.10.0.8--0.10.0.9.sql
+	mkdir -p extsql
+	cat $^ > $@
+
 bdr_resetxlog: pg_resetxlog.o
 	$(CC) $(CFLAGS) $^ $(LDFLAGS) $(LDFLAGS_EX) $(libpq_pgport) $(LIBS) -o $@$(X)
 

bdr.control

@@ -1,6 +1,6 @@
 # bdr extension
 comment = 'Bi-directional replication for PostgreSQL'
-default_version = '0.10.0.8'
+default_version = '0.10.0.9'
 module_pathname = '$libdir/bdr'
 relocatable = false
 requires = btree_gist

expected/init_bdr.out

@@ -66,6 +66,13 @@ SELECT node_status, node_local_dsn, node_init_from_dsn FROM bdr.bdr_nodes ORDER
  r           | dbname=regression | dbname=postgres
 (2 rows)
 
+SELECT 1 FROM bdr.pg_replication_slots WHERE restart_lsn <= confirmed_flush_lsn;
+ ?column? 
+----------
+        1
+        1
+(2 rows)
+
 \c regression
 SELECT conn_dsn, conn_replication_sets FROM bdr.bdr_connections ORDER BY conn_dsn;
      conn_dsn      |                                conn_replication_sets                                 
@@ -81,6 +88,13 @@ SELECT node_status, node_local_dsn, node_init_from_dsn FROM bdr.bdr_nodes ORDER
  r           | dbname=regression | dbname=postgres
 (2 rows)
 
+SELECT 1 FROM bdr.pg_replication_slots WHERE restart_lsn <= confirmed_flush_lsn;
+ ?column? 
+----------
+        1
+        1
+(2 rows)
+
 SET bdr.permit_ddl_locking = true;
 SELECT bdr.bdr_replicate_ddl_command($DDL$
 CREATE OR REPLACE FUNCTION public.bdr_regress_variables(

expected/upgrade.out

@@ -59,6 +59,8 @@ CREATE EXTENSION bdr VERSION '0.10.0.7';
 DROP EXTENSION bdr;
 CREATE EXTENSION bdr VERSION '0.10.0.8';
 DROP EXTENSION bdr;
+CREATE EXTENSION bdr VERSION '0.10.0.9';
+DROP EXTENSION bdr;
 -- evolve version one by one from the oldest to the newest one
 CREATE EXTENSION bdr VERSION '0.8.0';
 ALTER EXTENSION bdr UPDATE TO '0.8.0.1';
@@ -119,14 +121,15 @@ ORDER BY t.tgname;
 (2 rows)
 
 ALTER EXTENSION bdr UPDATE TO '0.10.0.8';
+ALTER EXTENSION bdr UPDATE TO '0.10.0.9';
 -- Should never have to do anything: You missed adding the new version above.
 ALTER EXTENSION bdr UPDATE;
-NOTICE:  version "0.10.0.8" of extension "bdr" is already installed
+NOTICE:  version "0.10.0.9" of extension "bdr" is already installed
 \dx bdr
                        List of installed extensions
  Name | Version  |   Schema   |                Description                
 ------+----------+------------+-------------------------------------------
- bdr  | 0.10.0.8 | pg_catalog | Bi-directional replication for PostgreSQL
+ bdr  | 0.10.0.9 | pg_catalog | Bi-directional replication for PostgreSQL
 (1 row)
 
 \c postgres

extsql/bdr--0.10.0.8--0.10.0.9.sql

@@ -0,0 +1,38 @@
+SET LOCAL search_path = bdr;
+SET bdr.permit_unsafe_ddl_commands = true;
+SET bdr.skip_ddl_replication = true;
+
+-- Define an alias of pg_catalog.pg_get_replication_slots to expose the extra
+-- active_pid and confirmed_flush_lsn columns from 9.5 and 9.6 that have been
+-- backported to 94bdr. The new columns MUST be last.
+--
+CREATE OR REPLACE FUNCTION
+bdr.pg_get_replication_slots(OUT slot_name name, OUT plugin name, OUT slot_type text, OUT datoid oid, OUT active boolean, OUT xmin xid, OUT catalog_xmin xid, OUT restart_lsn pg_lsn, OUT active_pid integer, OUT confirmed_flush_lsn pg_lsn)
+ RETURNS SETOF record
+ LANGUAGE internal
+ STABLE ROWS 10
+AS $function$pg_get_replication_slots$function$;
+
+
+-- And a replacement pg_replication_slots view, so if you set your search_path
+-- appropriately it'll "just work". The view fixes the column ordering to be
+-- the same as 9.6.
+CREATE VIEW bdr.pg_replication_slots AS
+    SELECT
+            L.slot_name,
+            L.plugin,
+            L.slot_type,
+            L.datoid,
+            D.datname AS database,
+            L.active,
+            L.active_pid,
+            L.xmin,
+            L.catalog_xmin,
+            L.restart_lsn,
+            L.confirmed_flush_lsn
+    FROM bdr.pg_get_replication_slots() AS L
+            LEFT JOIN pg_catalog.pg_database D ON (L.datoid = D.oid);
+
+RESET bdr.permit_unsafe_ddl_commands;
+RESET bdr.skip_ddl_replication;
+RESET search_path;

scripts/bdr_quickstart.sh

@@ -81,7 +81,7 @@ clone_or_update() {
         echo "Cloning $GITREF sources from git://git.postgresql.org/git/2ndquadrant_bdr.git"
         echo "This may take some time depending on the speed of your connection."
 
-        if ! git clone -b "$GITREF"  git://git.postgresql.org/git/2ndquadrant_bdr.git $SRCDIR; then
+        if ! git clone -b "$GITREF" --depth=1 git://git.postgresql.org/git/2ndquadrant_bdr.git $SRCDIR; then
             echo "The git clone of the BDR repository failed. Network issues?"
             echo "Try running the script again. If it fails again, look at the git "
             echo "output to see what went wrong."

sql/init_bdr.sql

@@ -26,10 +26,14 @@ SELECT count(*) FROM pg_stat_replication;
 SELECT conn_dsn, conn_replication_sets FROM bdr.bdr_connections ORDER BY conn_dsn;
 SELECT node_status, node_local_dsn, node_init_from_dsn FROM bdr.bdr_nodes ORDER BY node_local_dsn;
 
+SELECT 1 FROM bdr.pg_replication_slots WHERE restart_lsn <= confirmed_flush_lsn;
+
 \c regression
 SELECT conn_dsn, conn_replication_sets FROM bdr.bdr_connections ORDER BY conn_dsn;
 SELECT node_status, node_local_dsn, node_init_from_dsn FROM bdr.bdr_nodes ORDER BY node_local_dsn;
 
+SELECT 1 FROM bdr.pg_replication_slots WHERE restart_lsn <= confirmed_flush_lsn;
+
 SET bdr.permit_ddl_locking = true;
 
 SELECT bdr.bdr_replicate_ddl_command($DDL$

sql/upgrade.sql

@@ -87,6 +87,9 @@ DROP EXTENSION bdr;
 CREATE EXTENSION bdr VERSION '0.10.0.8';
 DROP EXTENSION bdr;
 
+CREATE EXTENSION bdr VERSION '0.10.0.9';
+DROP EXTENSION bdr;
+
 -- evolve version one by one from the oldest to the newest one
 CREATE EXTENSION bdr VERSION '0.8.0';
 ALTER EXTENSION bdr UPDATE TO '0.8.0.1';
@@ -142,6 +145,8 @@ ORDER BY t.tgname;
 
 ALTER EXTENSION bdr UPDATE TO '0.10.0.8';
 
+ALTER EXTENSION bdr UPDATE TO '0.10.0.9';
+
 -- Should never have to do anything: You missed adding the new version above.
 ALTER EXTENSION bdr UPDATE;