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Release 1.7.5 #2935
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Release 1.7.5 #2935
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Original file line number | Diff line number | Diff line change |
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@@ -98,7 +98,8 @@ set(MOD_FILES | |
updates/1.7.1--1.7.2.sql | ||
updates/1.7.2--1.7.3.sql | ||
updates/1.7.3--1.7.4.sql | ||
updates/1.7.4--2.0.0-rc1.sql | ||
updates/1.7.4--1.7.5.sql | ||
updates/1.7.5--2.0.0-rc1.sql | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Do we know that the 1.7.4--2.0.0-rc1 script works without modification for 1.7.5? |
||
updates/2.0.0-rc1--2.0.0-rc2.sql | ||
updates/2.0.0-rc2--2.0.0-rc3.sql | ||
updates/2.0.0-rc3--2.0.0-rc4.sql | ||
|
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,81 @@ | ||
-- Recreate missing dimension slices that might be missing. If the | ||
-- dimension slice table is broken and there are dimension slices | ||
-- missing from the table, we will repair it by: | ||
-- | ||
-- 1. Finding all chunk constraints that have missing dimension | ||
-- slices and extract the constraint expression from the | ||
-- associated constraint. | ||
-- | ||
-- 2. Parse the constraint expression and extract the column name, | ||
-- and upper and lower range values as text or, if it is a | ||
-- partition constraint, pick the existing constraint (either | ||
-- uppper or lower end of range) and make the other end open. | ||
-- | ||
-- 3. Use the column type to construct the range values (UNIX | ||
-- microseconds) from these strings. | ||
INSERT INTO _timescaledb_catalog.dimension_slice | ||
WITH | ||
-- All dimension slices that are mentioned in the chunk_constraint | ||
-- table but are missing from the dimension_slice table. | ||
missing_slices AS ( | ||
SELECT hypertable_id, | ||
chunk_id, | ||
dimension_slice_id, | ||
constraint_name, | ||
attname AS column_name, | ||
pg_get_expr(conbin, conrelid) AS constraint_expr | ||
FROM _timescaledb_catalog.chunk_constraint cc | ||
JOIN _timescaledb_catalog.chunk ch ON cc.chunk_id = ch.id | ||
JOIN pg_constraint ON conname = constraint_name | ||
JOIN pg_namespace ns ON connamespace = ns.oid AND ns.nspname = ch.schema_name | ||
JOIN pg_attribute ON attnum = conkey[1] AND attrelid = conrelid | ||
WHERE | ||
dimension_slice_id NOT IN (SELECT id FROM _timescaledb_catalog.dimension_slice) | ||
), | ||
|
||
-- Unparsed range start and end for each dimension slice id that | ||
-- is missing. | ||
unparsed_missing_slices AS ( | ||
SELECT di.id AS dimension_id, | ||
dimension_slice_id, | ||
constraint_name, | ||
column_type, | ||
column_name, | ||
(SELECT SUBSTRING(constraint_expr, $$>=\s*'?([\w\d\s:+-]+)'?$$)) AS range_start, | ||
(SELECT SUBSTRING(constraint_expr, $$<\s*'?([\w\d\s:+-]+)'?$$)) AS range_end | ||
FROM missing_slices JOIN _timescaledb_catalog.dimension di USING (hypertable_id, column_name) | ||
) | ||
SELECT DISTINCT | ||
dimension_slice_id, | ||
dimension_id, | ||
CASE | ||
WHEN column_type = 'timestamptz'::regtype THEN | ||
EXTRACT(EPOCH FROM range_start::timestamptz)::bigint * 1000000 | ||
WHEN column_type = 'timestamp'::regtype THEN | ||
EXTRACT(EPOCH FROM range_start::timestamp)::bigint * 1000000 | ||
WHEN column_type = 'date'::regtype THEN | ||
EXTRACT(EPOCH FROM range_start::date)::bigint * 1000000 | ||
ELSE | ||
CASE | ||
WHEN range_start IS NULL | ||
THEN (-9223372036854775808)::bigint | ||
ELSE range_start::bigint | ||
END | ||
END AS range_start, | ||
CASE | ||
WHEN column_type = 'timestamptz'::regtype THEN | ||
EXTRACT(EPOCH FROM range_end::timestamptz)::bigint * 1000000 | ||
WHEN column_type = 'timestamp'::regtype THEN | ||
EXTRACT(EPOCH FROM range_end::timestamp)::bigint * 1000000 | ||
WHEN column_type = 'date'::regtype THEN | ||
EXTRACT(EPOCH FROM range_end::date)::bigint * 1000000 | ||
ELSE | ||
CASE WHEN range_end IS NULL | ||
THEN 9223372036854775807::bigint | ||
ELSE range_end::bigint | ||
END | ||
END AS range_end | ||
FROM unparsed_missing_slices; | ||
|
||
-- set compressed_chunk_id to NULL for dropped chunks | ||
UPDATE _timescaledb_catalog.chunk SET compressed_chunk_id = NULL WHERE dropped = true AND compressed_chunk_id IS NOT NULL; |
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