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import script pg - add fetch comments for tables and columns

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This commit is contained in:
johnnyfish
2024-09-02 21:18:56 +03:00
committed by Guy Ben-Aharon
parent f89c0ee068
commit 81c7bcc959
3 changed files with 31 additions and 13 deletions
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42
src/lib/data/import-metadata/scripts/postgres-script.ts
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@@ -158,8 +158,15 @@ cols AS (
END,
',"nullable":', CASE WHEN (cols.IS_NULLABLE = 'YES') THEN 'true' ELSE 'false' END,
',"default":"', COALESCE(replace(replace(cols.column_default, '"', '\\"'), '\\x', '\\\\x'), ''),
'","collation":"', COALESCE(cols.COLLATION_NAME, ''), '"}')), ',') AS cols_metadata
'","collation":"', COALESCE(cols.COLLATION_NAME, ''),
'","comment":"', COALESCE(dsc.description, ''), '"}')), ',') AS cols_metadata
FROM information_schema.columns cols
LEFT JOIN pg_catalog.pg_class c
ON c.relname = cols.table_name
LEFT JOIN pg_catalog.pg_namespace n
ON n.oid = c.relnamespace AND n.nspname = cols.table_schema
LEFT JOIN pg_catalog.pg_description dsc ON dsc.objoid = c.oid
AND dsc.objsubid = cols.ordinal_position
WHERE cols.table_schema NOT IN ('information_schema', 'pg_catalog')${
databaseEdition === DatabaseEdition.POSTGRESQL_TIMESCALE
? timescaleColFilter
@@ -187,20 +194,29 @@ cols AS (
: ''
}
), tbls AS (
SELECT array_to_string(array_agg(CONCAT('{', '"schema":"', TABLE_SCHEMA, '",', '"table":"', TABLE_NAME, '",', '"rows":',
COALESCE((SELECT s.n_live_tup
SELECT array_to_string(array_agg(CONCAT('{',
'"schema":"', tbls.TABLE_SCHEMA, '",',
'"table":"', tbls.TABLE_NAME, '",',
'"rows":', COALESCE((SELECT s.n_live_tup
FROM pg_stat_user_tables s
WHERE tbls.TABLE_SCHEMA = s.schemaname AND tbls.TABLE_NAME = s.relname),
0), ', "type":"', TABLE_TYPE, '",', '"engine":"",', '"collation":""}')),
',') AS tbls_metadata
FROM information_schema.tables tbls
WHERE tbls.TABLE_SCHEMA NOT IN ('information_schema', 'pg_catalog') ${
databaseEdition === DatabaseEdition.POSTGRESQL_TIMESCALE
? timescaleTableFilter
: databaseEdition === DatabaseEdition.POSTGRESQL_SUPABASE
? supabaseTableFilter
: ''
}
0), ', "type":"', tbls.TABLE_TYPE, '",', '"engine":"",', '"collation":"",',
'"comment":"', COALESCE(dsc.description, ''), '"}'
)),
',') AS tbls_metadata
FROM information_schema.tables tbls
LEFT JOIN pg_catalog.pg_class c ON c.relname = tbls.TABLE_NAME
LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
AND n.nspname = tbls.TABLE_SCHEMA
LEFT JOIN pg_catalog.pg_description dsc ON dsc.objoid = c.oid
AND dsc.objsubid = 0
WHERE tbls.TABLE_SCHEMA NOT IN ('information_schema', 'pg_catalog') ${
databaseEdition === DatabaseEdition.POSTGRESQL_TIMESCALE
? timescaleTableFilter
: databaseEdition === DatabaseEdition.POSTGRESQL_SUPABASE
? supabaseTableFilter
: ''
}
), config AS (
SELECT array_to_string(
array_agg(CONCAT('{"name":"', conf.name, '","value":"', replace(conf.setting, '"', E'"'), '"}')),