Fix some missing temporary table drops in several old extension upgra…

…de scripts. When updating the emaj extension, an error was sometimes raised with the message <relation "emaj_rlbk_old" already exists>. This happened when the upgrade chains several elementary upgrade scripts that created a temporary table with this same emaj_rlbk_old name.

CHANGES.md

@@ -6,8 +6,8 @@ E-Maj - Change log
 
 
 ###Bug fixes:###
-
-
+  * Fix some missing temporary table drops in several old extension upgrade
+    scripts.
 
 3.3.0 (2020-Mar-14)
 ------

sql/emaj--2.0.1--2.1.0.sql

@@ -182,6 +182,9 @@ SELECT CASE WHEN EXISTS (SELECT 1 FROM emaj.emaj_rlbk)
               THEN setval('emaj.emaj_rlbk_rlbk_id_seq', (SELECT max(rlbk_id) FROM emaj.emaj_rlbk))
        END;
 
+-- and finaly drop the temporary table
+DROP TABLE emaj_rlbk_old;
+
 --
 -- add created or recreated tables and sequences to the list of content to save by pg_dump
 --

sql/emaj--2.1.0--2.2.0.sql

@@ -158,6 +158,9 @@ CREATE INDEX emaj_relation_idx2 ON emaj.emaj_relation (rel_log_schema);
 -- recreate the foreign keys that point on this table
 --   there is no fkey for this table
 
+-- and finaly drop the temporary table
+DROP TABLE emaj_relation_old;
+
 --
 -- process the emaj_rlbk table
 --
@@ -223,6 +226,9 @@ SELECT CASE WHEN EXISTS (SELECT 1 FROM emaj.emaj_rlbk)
               THEN setval('emaj.emaj_rlbk_rlbk_id_seq', (SELECT max(rlbk_id) FROM emaj.emaj_rlbk))
        END;
 
+-- and finaly drop the temporary table
+DROP TABLE emaj_rlbk_old;
+
 --
 -- process the emaj_alter_plan table
 --

sql/emaj--2.2.3--2.3.0.sql

@@ -135,6 +135,9 @@ INSERT INTO emaj.emaj_alter_plan
 -- recreate the foreign keys that point on this table
 -- set the last value for the sequence associated to the serial column
 
+-- and finaly drop the temporary table
+DROP TABLE emaj_alter_plan_old;
+
 --
 -- add created or recreated tables and sequences to the list of content to save by pg_dump
 --
@@ -210,6 +213,9 @@ INSERT INTO emaj.emaj_rlbk_plan (
 -- recreate the foreign keys that point on this table
 -- set the last value for the sequence associated to the serial column
 
+-- and finaly drop the temporary table
+DROP TABLE emaj_rlbk_plan_old;
+
 --
 -- add created or recreated tables and sequences to the list of content to save by pg_dump
 --

sql/emaj--3.0.0--3.1.0.sql

@@ -401,6 +401,9 @@ SELECT CASE WHEN EXISTS (SELECT 1 FROM emaj.emaj_rlbk)
               THEN setval('emaj.emaj_rlbk_rlbk_id_seq', (SELECT max(rlbk_id) FROM emaj.emaj_rlbk))
        END;
 
+-- and finaly drop the temporary table
+DROP TABLE emaj_rlbk_old;
+
 --
 -- change the emaj_rlbk_plan table structure
 --

sql/emaj--3.2.0--3.3.0.sql

@@ -309,6 +309,9 @@ CREATE INDEX emaj_relation_idx2 ON emaj.emaj_relation (rel_log_schema);
 -- recreate the foreign keys that point on this table
 --   there is no fkey for this table
 
+-- and finaly drop the temporary table
+DROP TABLE emaj_relation_old;
+
 --
 -- add created or recreated tables and sequences to the list of content to save by pg_dump
 --