8000 Format code: newlines, spaces, indents, unneccessary brackets deleted by rin-nas · Pull Request #12 · dataegret/pg-utils · GitHub
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Format code: newlines, spaces, indents, unneccessary brackets deleted #12

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Format code: newlines, spaces, indents, unneccessary brackets deleted #12

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52 changes: 27 additions & 25 deletions sql/redundant_indexes.sql
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Original file line number Diff line number Diff line change
@@ -1,26 +1,28 @@


WITH
index_data AS
(SELECT *,string_to_array(indkey::text,' ') as key_array,array_length(string_to_array(indkey::text,' '),1) as nkeys from pg_index)

WITH index_data AS (
SELECT
*,
string_to_array(indkey::text,' ') as key_array,
array_length(string_to_array(indkey::text,' '),1) as nkeys
FROM pg_index
)
SELECT
i1.indrelid::regclass::text,
pg_get_indexdef(i1.indexrelid) main_index,
pg_get_indexdef(i2.indexrelid) redundant_index,
pg_size_pretty(pg_relation_size(i2.indexrelid)) redundant_index_size
FROM
index_data as i1
JOIN
index_data as i2
ON i1.indrelid=i2.indrelid AND i1.indexrelid<>i2.indexrelid
WHERE
(regexp_replace(i1.indpred, 'location \d+', 'location', 'g') IS NOT DISTINCT FROM regexp_replace(i2.indpred, 'location \d+', 'location', 'g'))
AND
(regexp_replace(i1.indexprs, 'location \d+', 'location', 'g') IS NOT DISTINCT FROM regexp_replace(i2.indexprs, 'location \d+', 'location', 'g'))
AND
((i1.nkeys > i2.nkeys and not i2.indisunique) OR (i1.nkeys=i2.nkeys and ((i1.indisunique and i2.indisunique and (i1.indexrelid>i2.indexrelid)) or (not i1.indisunique and not i2.indisunique and (i1.indexrelid>i2.indexrelid)) or (i1.indisunique and not i2.indisunique))))
AND
i1.key_array[1:i2.nkeys]=i2.key_array
ORDER BY pg_relation_size(i2.indexrelid) desc,i1.indexrelid::regclass::text,i2.indexrelid::regclass::text;

i1.indrelid::regclass::text,
pg_get_indexdef(i1.indexrelid) main_index,
pg_get_indexdef(i2.indexrelid) redundant_index,
pg_size_pretty(pg_relation_size(i2.indexrelid)) redundant_index_size
FROM index_data as i1
JOIN index_data as i2 ON i1.indrelid = i2.indrelid AND i1.indexrelid <> i2.indexrelid
WHERE regexp_replace(i1.indpred, 'location \d+', 'location', 'g') IS NOT DISTINCT FROM regexp_replace(i2.indpred, 'location \d+', 'location', 'g')
AND regexp_replace(i1.indexprs, 'location \d+', 'location', 'g') IS NOT DISTINCT FROM regexp_replace(i2.indexprs, 'location \d+', 'location', 'g')
AND ( (i1.nkeys > i2.nkeys and not i2.indisunique)
OR ( i1.nkeys = i2.nkeys and ( (i1.indisunique and i2.indisunique and i1.indexrelid > i2.indexrelid)
or (not i1.indisunique and not i2.indisunique and i1.indexrelid > i2.indexrelid)
or (i1.indisunique and not i2.indisunique)
)
)
)
AND i1.key_array[1:i2.nkeys] = i2.key_array
ORDER BY
pg_relation_size(i2.indexrelid) desc,
i1.indexrelid::regclass::text,
i2.indexrelid::regclass::text;
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