25 lines
916 B
SQL
25 lines
916 B
SQL
--
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-- Slots represent an n:m relation between revisions and content objects.
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-- A content object can have a specific "role" in one or more revisions.
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-- Each revision can have multiple content objects, each having a different role.
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--
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CREATE TABLE /*_*/slots (
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-- reference to rev_id
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slot_revision_id bigint unsigned NOT NULL,
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-- reference to role_id
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slot_role_id smallint unsigned NOT NULL,
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-- reference to content_id
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slot_content_id bigint unsigned NOT NULL,
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-- The revision ID of the revision that originated the slot's content.
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-- To find revisions that changed slots, look for slot_origin = slot_revision_id.
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slot_origin bigint unsigned NOT NULL,
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PRIMARY KEY ( slot_revision_id, slot_role_id )
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) /*$wgDBTableOptions*/;
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-- Index for finding revisions that modified a specific slot
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CREATE INDEX /*i*/slot_revision_origin_role ON /*_*/slots (slot_revision_id, slot_origin, slot_role_id);
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