3 INSERT INTO config.upgrade_log (version) VALUES ('0526'); --miker
5 CREATE TABLE config.db_patch_dependencies (
6 db_patch TEXT PRIMARY KEY,
11 CREATE OR REPLACE FUNCTION evergreen.array_overlap_check (/* field */) RETURNS TRIGGER AS $$
17 EXECUTE 'SELECT COUNT(*) FROM '|| TG_TABLE_SCHEMA ||'.'|| TG_TABLE_NAME ||' WHERE '|| fld ||' && ($1).'|| fld INTO cnt USING NEW;
19 RAISE EXCEPTION 'Cannot insert duplicate array into field % of table %', fld, TG_TABLE_SCHEMA ||'.'|| TG_TABLE_NAME;
25 CREATE TRIGGER no_overlapping_sups
26 BEFORE INSERT OR UPDATE ON config.db_patch_dependencies
27 FOR EACH ROW EXECUTE PROCEDURE evergreen.array_overlap_check ('supersedes');
29 CREATE TRIGGER no_overlapping_deps
30 BEFORE INSERT OR UPDATE ON config.db_patch_dependencies
31 FOR EACH ROW EXECUTE PROCEDURE evergreen.array_overlap_check ('deprecates');
33 ALTER TABLE config.upgrade_log
34 ADD COLUMN applied_to TEXT;
36 -- List applied db patches that are deprecated by (and block the application of) my_db_patch
37 CREATE OR REPLACE FUNCTION evergreen.upgrade_list_applied_deprecates ( my_db_patch TEXT ) RETURNS SETOF TEXT AS $$
38 SELECT DISTINCT l.version
39 FROM config.upgrade_log l
40 JOIN config.db_patch_dependencies d ON (l.version::TEXT[] && d.deprecates)
44 -- List applied db patches that are superseded by (and block the application of) my_db_patch
45 CREATE OR REPLACE FUNCTION evergreen.upgrade_list_applied_supersedes ( my_db_patch TEXT ) RETURNS SETOF TEXT AS $$
46 SELECT DISTINCT l.version
47 FROM config.upgrade_log l
48 JOIN config.db_patch_dependencies d ON (l.version::TEXT[] && d.supersedes)
52 -- List applied db patches that deprecates (and block the application of) my_db_patch
53 CREATE OR REPLACE FUNCTION evergreen.upgrade_list_applied_deprecated ( my_db_patch TEXT ) RETURNS TEXT AS $$
55 FROM config.db_patch_dependencies
56 WHERE ARRAY[$1]::TEXT[] && deprecates
59 -- List applied db patches that supersedes (and block the application of) my_db_patch
60 CREATE OR REPLACE FUNCTION evergreen.upgrade_list_applied_superseded ( my_db_patch TEXT ) RETURNS TEXT AS $$
62 FROM config.db_patch_dependencies
63 WHERE ARRAY[$1]::TEXT[] && supersedes
66 -- Make sure that no deprecated or superseded db patches are currently applied
67 CREATE OR REPLACE FUNCTION evergreen.upgrade_verify_no_dep_conflicts ( my_db_patch TEXT ) RETURNS BOOL AS $$
69 FROM (SELECT * FROM evergreen.upgrade_list_applied_deprecates( $1 )
71 SELECT * FROM evergreen.upgrade_list_applied_supersedes( $1 )
73 SELECT * FROM evergreen.upgrade_list_applied_deprecated( $1 )
75 SELECT * FROM evergreen.upgrade_list_applied_superseded( $1 ))x
78 -- Raise an exception if there are, in fact, dep/sup confilct
79 CREATE OR REPLACE FUNCTION evergreen.upgrade_deps_block_check ( my_db_patch TEXT, my_applied_to TEXT ) RETURNS BOOL AS $$
81 IF NOT evergreen.upgrade_verify_no_dep_conflicts( my_db_patch ) THEN
83 Upgrade script % can not be applied:
84 applied deprecated scripts %
85 applied superseded scripts %
89 ARRAY_ACUM(evergreen.upgrade_list_applied_deprecates(my_db_patch)),
90 ARRAY_ACUM(evergreen.upgrade_list_applied_supersedes(my_db_patch)),
91 evergreen.upgrade_list_applied_deprecated(my_db_patch),
92 evergreen.upgrade_list_applied_superseded(my_db_patch);
95 INSERT INTO config.upgrade_log (version, applied_to) VALUES (my_db_patch, my_applied_to);