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Systematic queries for PG system tables #253

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isc opened this issue Jan 20, 2019 · 1 comment
Open

Systematic queries for PG system tables #253

isc opened this issue Jan 20, 2019 · 1 comment

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@isc
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isc commented Jan 20, 2019

[Account: 1|User: 1] (0.004570s) SELECT "pg_attribute"."attname" AS "name", CAST("pg_attribute"."atttypid" AS integer) AS "oid", CAST("basetype"."oid" AS integer) AS "base_oid", format_type("basetype"."oid", "pg_type"."typtypmod") AS "db_base_type", format_type("pg_type"."oid", "pg_attribute"."atttypmod") AS "db_type", pg_get_expr("pg_attrdef"."adbin", "pg_class"."oid") AS "default", NOT "pg_attribute"."attnotnull" AS "allow_null", COALESCE(("pg_attribute"."attnum" = ANY("pg_index"."indkey")), false) AS "primary_key" FROM "pg_class" INNER JOIN "pg_attribute" ON ("pg_attribute"."attrelid" = "pg_class"."oid") INNER JOIN "pg_type" ON ("pg_type"."oid" = "pg_attribute"."atttypid") LEFT OUTER JOIN "pg_type" AS "basetype" ON ("basetype"."oid" = "pg_type"."typbasetype") LEFT OUTER JOIN "pg_attrdef" ON (("pg_attrdef"."adrelid" = "pg_class"."oid") AND ("pg_attrdef"."adnum" = "pg_attribute"."attnum")) LEFT OUTER JOIN "pg_index" ON (("pg_index"."indrelid" = "pg_class"."oid") AND ("pg_index"."indisprimary" IS TRUE)) WHERE (("pg_attribute"."attisdropped" IS FALSE) AND ("pg_attribute"."attnum" > 0) AND ("pg_class"."oid" = CAST(CAST('"searchable_profiles_2"' AS regclass) AS oid))) ORDER BY "pg_attribute"."attnum"
[Account: 1|User: 1] (0.004393s) SELECT "pg_attribute"."attname" AS "name", CAST("pg_attribute"."atttypid" AS integer) AS "oid", CAST("basetype"."oid" AS integer) AS "base_oid", format_type("basetype"."oid", "pg_type"."typtypmod") AS "db_base_type", format_type("pg_type"."oid", "pg_attribute"."atttypmod") AS "db_type", pg_get_expr("pg_attrdef"."adbin", "pg_class"."oid") AS "default", NOT "pg_attribute"."attnotnull" AS "allow_null", COALESCE(("pg_attribute"."attnum" = ANY("pg_index"."indkey")), false) AS "primary_key" FROM "pg_class" INNER JOIN "pg_attribute" ON ("pg_attribute"."attrelid" = "pg_class"."oid") INNER JOIN "pg_type" ON ("pg_type"."oid" = "pg_attribute"."atttypid") LEFT OUTER JOIN "pg_type" AS "basetype" ON ("basetype"."oid" = "pg_type"."typbasetype") LEFT OUTER JOIN "pg_attrdef" ON (("pg_attrdef"."adrelid" = "pg_class"."oid") AND ("pg_attrdef"."adnum" = "pg_attribute"."attnum")) LEFT OUTER JOIN "pg_index" ON (("pg_index"."indrelid" = "pg_class"."oid") AND ("pg_index"."indisprimary" IS TRUE)) WHERE (("pg_attribute"."attisdropped" IS FALSE) AND ("pg_attribute"."attnum" > 0) AND ("pg_class"."oid" = CAST(CAST('"pg_stat_activity"' AS regclass) AS oid))) ORDER BY "pg_attribute"."attnum"
[Account: 1|User: 1] (0.003077s) SELECT "pg_attribute"."attname" AS "name", CAST("pg_attribute"."atttypid" AS integer) AS "oid", CAST("basetype"."oid" AS integer) AS "base_oid", format_type("basetype"."oid", "pg_type"."typtypmod") AS "db_base_type", format_type("pg_type"."oid", "pg_attribute"."atttypmod") AS "db_type", pg_get_expr("pg_attrdef"."adbin", "pg_class"."oid") AS "default", NOT "pg_attribute"."attnotnull" AS "allow_null", COALESCE(("pg_attribute"."attnum" = ANY("pg_index"."indkey")), false) AS "primary_key" FROM "pg_class" INNER JOIN "pg_attribute" ON ("pg_attribute"."attrelid" = "pg_class"."oid") INNER JOIN "pg_type" ON ("pg_type"."oid" = "pg_attribute"."atttypid") LEFT OUTER JOIN "pg_type" AS "basetype" ON ("basetype"."oid" = "pg_type"."typbasetype") LEFT OUTER JOIN "pg_attrdef" ON (("pg_attrdef"."adrelid" = "pg_class"."oid") AND ("pg_attrdef"."adnum" = "pg_attribute"."attnum")) LEFT OUTER JOIN "pg_index" ON (("pg_index"."indrelid" = "pg_class"."oid") AND ("pg_index"."indisprimary" IS TRUE)) WHERE (("pg_attribute"."attisdropped" IS FALSE) AND ("pg_attribute"."attnum" > 0) AND ("pg_class"."oid" = CAST(CAST('"pg_stat_all_indexes"' AS regclass) AS oid))) ORDER BY "pg_attribute"."attnum"
[Account: 1|User: 1] (0.003587s) SELECT "pg_attribute"."attname" AS "name", CAST("pg_attribute"."atttypid" AS integer) AS "oid", CAST("basetype"."oid" AS integer) AS "base_oid", format_type("basetype"."oid", "pg_type"."typtypmod") AS "db_base_type", format_type("pg_type"."oid", "pg_attribute"."atttypmod") AS "db_type", pg_get_expr("pg_attrdef"."adbin", "pg_class"."oid") AS "default", NOT "pg_attribute"."attnotnull" AS "allow_null", COALESCE(("pg_attribute"."attnum" = ANY("pg_index"."indkey")), false) AS "primary_key" FROM "pg_class" INNER JOIN "pg_attribute" ON ("pg_attribute"."attrelid" = "pg_class"."oid") INNER JOIN "pg_type" ON ("pg_type"."oid" = "pg_attribute"."atttypid") LEFT OUTER JOIN "pg_type" AS "basetype" ON ("basetype"."oid" = "pg_type"."typbasetype") LEFT OUTER JOIN "pg_attrdef" ON (("pg_attrdef"."adrelid" = "pg_class"."oid") AND ("pg_attrdef"."adnum" = "pg_attribute"."attnum")) LEFT OUTER JOIN "pg_index" ON (("pg_index"."indrelid" = "pg_class"."oid") AND ("pg_index"."indisprimary" IS TRUE)) WHERE (("pg_attribute"."attisdropped" IS FALSE) AND ("pg_attribute"."attnum" > 0) AND ("pg_class"."oid" = CAST(CAST('"pg_stat_user_tables"' AS regclass) AS oid))) ORDER BY "pg_attribute"."attnum"
[Account: 1|User: 1] (0.003070s) SELECT "pg_attribute"."attname" AS "name", CAST("pg_attribute"."atttypid" AS integer) AS "oid", CAST("basetype"."oid" AS integer) AS "base_oid", format_type("basetype"."oid", "pg_type"."typtypmod") AS "db_base_type", format_type("pg_type"."oid", "pg_attribute"."atttypmod") AS "db_type", pg_get_expr("pg_attrdef"."adbin", "pg_class"."oid") AS "default", NOT "pg_attribute"."attnotnull" AS "allow_null", COALESCE(("pg_attribute"."attnum" = ANY("pg_index"."indkey")), false) AS "primary_key" FROM "pg_class" INNER JOIN "pg_attribute" ON ("pg_attribute"."attrelid" = "pg_class"."oid") INNER JOIN "pg_type" ON ("pg_type"."oid" = "pg_attribute"."atttypid") LEFT OUTER JOIN "pg_type" AS "basetype" ON ("basetype"."oid" = "pg_type"."typbasetype") LEFT OUTER JOIN "pg_attrdef" ON (("pg_attrdef"."adrelid" = "pg_class"."oid") AND ("pg_attrdef"."adnum" = "pg_attribute"."attnum")) LEFT OUTER JOIN "pg_index" ON (("pg_index"."indrelid" = "pg_class"."oid") AND ("pg_index"."indisprimary" IS TRUE)) WHERE (("pg_attribute"."attisdropped" IS FALSE) AND ("pg_attribute"."attnum" > 0) AND ("pg_class"."oid" = CAST(CAST('"pg_statio_user_tables"' AS regclass) AS oid))) ORDER BY "pg_attribute"."attnum"
[Account: 1|User: 1] (0.002868s) SELECT "pg_attribute"."attname" AS "name", CAST("pg_attribute"."atttypid" AS integer) AS "oid", CAST("basetype"."oid" AS integer) AS "base_oid", format_type("basetype"."oid", "pg_type"."typtypmod") AS "db_base_type", format_type("pg_type"."oid", "pg_attribute"."atttypmod") AS "db_type", pg_get_expr("pg_attrdef"."adbin", "pg_class"."oid") AS "default", NOT "pg_attribute"."attnotnull" AS "allow_null", COALESCE(("pg_attribute"."attnum" = ANY("pg_index"."indkey")), false) AS "primary_key" FROM "pg_class" INNER JOIN "pg_attribute" ON ("pg_attribute"."attrelid" = "pg_class"."oid") INNER JOIN "pg_type" ON ("pg_type"."oid" = "pg_attribute"."atttypid") LEFT OUTER JOIN "pg_type" AS "basetype" ON ("basetype"."oid" = "pg_type"."typbasetype") LEFT OUTER JOIN "pg_attrdef" ON (("pg_attrdef"."adrelid" = "pg_class"."oid") AND ("pg_attrdef"."adnum" = "pg_attribute"."attnum")) LEFT OUTER JOIN "pg_index" ON (("pg_index"."indrelid" = "pg_class"."oid") AND ("pg_index"."indisprimary" IS TRUE)) WHERE (("pg_attribute"."attisdropped" IS FALSE) AND ("pg_attribute"."attnum" > 0) AND ("pg_class"."oid" = CAST(CAST('"pg_statio_user_indexes"' AS regclass) AS oid))) ORDER BY "pg_attribute"."attnum"
@isc
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isc commented Jan 20, 2019

Schema discovery is patched to be efficient for regular tables and views, but not PG system tables and materialized views at the moment.

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