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6068ab78d0
This improves the resulting sort order when `ORDER BY event_time, event_type` is used. `state_change` comes first as it can cause many of the other events like trigger downtimes, remove acknowledgements and send notifications. Similarly, `notification` comes last as any other event can result in a notification. This will result in history events for scenarios like state changes, triggers downtime, sends downtime start notification being sorted in that order. Apart from that, end events sort before the corresponding start events as any ack/comment/downtime/flapping period should last for more than a millisecond, therefore if there should be two events within the same millisecond, the end event corresponds to the older period and is sorted first.
24 lines
1.6 KiB
SQL
24 lines
1.6 KiB
SQL
ALTER TABLE customvar_flat ALTER COLUMN flatvalue DROP NOT NULL;
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CREATE INDEX idx_customvar_flat_flatname_flatvalue ON customvar_flat(flatname, flatvalue);
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COMMENT ON INDEX idx_customvar_flat_flatname_flatvalue IS 'Lists filtered by custom variable';
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CREATE INDEX idx_hostgroup_display_name ON hostgroup(display_name);
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CREATE INDEX idx_hostgroup_name_ci ON hostgroup(name_ci);
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COMMENT ON INDEX idx_hostgroup_display_name IS 'Hostgroup list filtered/ordered by display_name';
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COMMENT ON INDEX idx_hostgroup_name_ci IS 'Hostgroup list filtered using quick search';
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COMMENT ON INDEX idx_hostgroup_name IS 'Host/service/host group list filtered by host group name; Hostgroup detail filter';
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CREATE INDEX idx_servicegroup_display_name ON servicegroup(display_name);
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CREATE INDEX idx_servicegroup_name_ci ON servicegroup(name_ci);
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COMMENT ON INDEX idx_servicegroup_display_name IS 'Servicegroup list filtered/ordered by display_name';
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COMMENT ON INDEX idx_servicegroup_name_ci IS 'Servicegroup list filtered using quick search';
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COMMENT ON INDEX idx_servicegroup_name IS 'Host/service/service group list filtered by service group name; Servicegroup detail filter';
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ALTER TYPE history_type RENAME TO history_type_old;
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CREATE TYPE history_type AS ENUM ( 'state_change', 'ack_clear', 'downtime_end', 'flapping_end', 'comment_remove', 'comment_add', 'flapping_start', 'downtime_start', 'ack_set', 'notification' );
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ALTER TABLE history
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ALTER COLUMN event_type DROP DEFAULT,
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ALTER COLUMN event_type TYPE history_type USING event_type::text::history_type,
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ALTER COLUMN event_type SET DEFAULT 'state_change'::history_type;
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DROP TYPE history_type_old;
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