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Schema 1.2.0: meta.series_schemas registry; lower-case name checks

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- meta.series_schemas (name, description, created_at, created_by), seeded
  with 'series'. FK series_db_schema_fkey from meta.series.db_schema: a
  series may only live in a registered schema, for every client.
  Unregistered schemas belong to the user and are never touched.
- CHECK series_schemas_name_check and series_table_name_check enforce the
  shared lower-case identifier rule in the database.
- meta.find_schema_problems() covers the registry and reports a registered
  schema that no longer exists; user schemas are not examined.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
peter 2026-10-06 11:42:10 +01:00
parent 155fc7c3dd
commit 4c067bc4b9
7 changed files with 59 additions and 5 deletions
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17
sql/04_indexes.sql
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@ -21,6 +21,23 @@ ALTER TABLE meta.currencies ADD CONSTRAINT currencies_pkey PRIMARY KEY (code);
ALTER TABLE meta.security_types ADD CONSTRAINT security_types_pkey PRIMARY KEY (code);
ALTER TABLE meta.timezones ADD CONSTRAINT timezones_pkey PRIMARY KEY (iana_name);
-- Series schema registry. Names follow the table-name rule shared by both
-- clients: lower case, [a-z_][a-z0-9_]*, at most 63 bytes, never quoted.
ALTER TABLE meta.series_schemas ADD CONSTRAINT series_schemas_pkey PRIMARY KEY (name);
ALTER TABLE meta.series_schemas ADD CONSTRAINT series_schemas_name_check
CHECK (name ~ '^[a-z_][a-z0-9_]*$' AND octet_length(name) <= 63);
-- A series may only live in a registered schema -- enforced here, so no
-- client can bypass it. RESTRICT: a schema cannot be unregistered while it
-- still holds series.
ALTER TABLE meta.series ADD CONSTRAINT series_db_schema_fkey
FOREIGN KEY (db_schema) REFERENCES meta.series_schemas (name)
ON UPDATE RESTRICT ON DELETE RESTRICT;
-- Table names follow the same rule (Core contract 6 in both clients).
ALTER TABLE meta.series ADD CONSTRAINT series_table_name_check
CHECK (table_name ~ '^[a-z_][a-z0-9_]*$' AND octet_length(table_name) <= 63);
CREATE INDEX idx_event_log_series_timestamp ON log.event_log USING btree (series_name, "timestamp" DESC);
CREATE INDEX idx_event_log_timestamp ON log.event_log USING btree ("timestamp" DESC);