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August 12, 2021 11:30
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Slack clone raw sql schema
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CREATE TABLE IF NOT EXISTS "users" ( | |
"id" SERIAL, | |
"username" VARCHAR(255) UNIQUE, | |
"email" VARCHAR(255) UNIQUE, | |
"password" VARCHAR(255), | |
"createdAt" TIMESTAMP WITH TIME ZONE NOT NULL, | |
"updatedAt" TIMESTAMP WITH TIME ZONE NOT NULL, | |
UNIQUE ("username"), | |
UNIQUE ("email"), | |
PRIMARY KEY ("id") | |
); | |
SELECT | |
i.relname AS name, | |
ix.indisprimary AS primary, | |
ix.indisunique AS unique, | |
ix.indkey AS indkey, | |
array_agg(a.attnum) as column_indexes, | |
array_agg(a.attname) AS column_names, | |
pg_get_indexdef(ix.indexrelid) AS definition | |
FROM | |
pg_class t, | |
pg_class i, | |
pg_index ix, | |
pg_attribute a | |
WHERE | |
t.oid = ix.indrelid | |
AND i.oid = ix.indexrelid | |
AND a.attrelid = t.oid | |
AND t.relkind = 'r' | |
and t.relname = 'users' | |
GROUP BY | |
i.relname, | |
ix.indexrelid, | |
ix.indisprimary, | |
ix.indisunique, | |
ix.indkey | |
ORDER BY | |
i.relname; | |
CREATE TABLE IF NOT EXISTS "teams" ( | |
"id" SERIAL, | |
"name" VARCHAR(255) UNIQUE, | |
"createdAt" TIMESTAMP WITH TIME ZONE NOT NULL, | |
"updatedAt" TIMESTAMP WITH TIME ZONE NOT NULL, | |
"owner" INTEGER REFERENCES "users" ("id") ON DELETE | |
SET | |
NULL ON UPDATE CASCADE, | |
UNIQUE ("name"), | |
PRIMARY KEY ("id") | |
); | |
SELECT | |
i.relname AS name, | |
ix.indisprimary AS primary, | |
ix.indisunique AS unique, | |
ix.indkey AS indkey, | |
array_agg(a.attnum) as column_indexes, | |
array_agg(a.attname) AS column_names, | |
pg_get_indexdef(ix.indexrelid) AS definition | |
FROM | |
pg_class t, | |
pg_class i, | |
pg_index ix, | |
pg_attribute a | |
WHERE | |
t.oid = ix.indrelid | |
AND i.oid = ix.indexrelid | |
AND a.attrelid = t.oid | |
AND t.relkind = 'r' | |
and t.relname = 'teams' | |
GROUP BY | |
i.relname, | |
ix.indexrelid, | |
ix.indisprimary, | |
ix.indisunique, | |
ix.indkey | |
ORDER BY | |
i.relname; | |
CREATE TABLE IF NOT EXISTS "channels" ( | |
"id" SERIAL, | |
"name" VARCHAR(255), | |
"public" BOOLEAN, | |
"createdAt" TIMESTAMP WITH TIME ZONE NOT NULL, | |
"updatedAt" TIMESTAMP WITH TIME ZONE NOT NULL, | |
"teamId" INTEGER REFERENCES "teams" ("id") ON DELETE | |
SET | |
NULL ON UPDATE CASCADE, | |
PRIMARY KEY ("id") | |
); | |
SELECT | |
i.relname AS name, | |
ix.indisprimary AS primary, | |
ix.indisunique AS unique, | |
ix.indkey AS indkey, | |
array_agg(a.attnum) as column_indexes, | |
array_agg(a.attname) AS column_names, | |
pg_get_indexdef(ix.indexrelid) AS definition | |
FROM | |
pg_class t, | |
pg_class i, | |
pg_index ix, | |
pg_attribute a | |
WHERE | |
t.oid = ix.indrelid | |
AND i.oid = ix.indexrelid | |
AND a.attrelid = t.oid | |
AND t.relkind = 'r' | |
and t.relname = 'channels' | |
GROUP BY | |
i.relname, | |
ix.indexrelid, | |
ix.indisprimary, | |
ix.indisunique, | |
ix.indkey | |
ORDER BY | |
i.relname; | |
CREATE TABLE IF NOT EXISTS "messages" ( | |
"id" SERIAL, | |
"text" VARCHAR(255), | |
"createdAt" TIMESTAMP WITH TIME ZONE NOT NULL, | |
"updatedAt" TIMESTAMP WITH TIME ZONE NOT NULL, | |
"channelId" INTEGER REFERENCES "channels" ("id") ON DELETE | |
SET | |
NULL ON UPDATE CASCADE, | |
"userId" INTEGER REFERENCES "users" ("id") ON DELETE | |
SET | |
NULL ON UPDATE CASCADE, | |
PRIMARY KEY ("id") | |
); | |
SELECT | |
i.relname AS name, | |
ix.indisprimary AS primary, | |
ix.indisunique AS unique, | |
ix.indkey AS indkey, | |
array_agg(a.attnum) as column_indexes, | |
array_agg(a.attname) AS column_names, | |
pg_get_indexdef(ix.indexrelid) AS definition | |
FROM | |
pg_class t, | |
pg_class i, | |
pg_index ix, | |
pg_attribute a | |
WHERE | |
t.oid = ix.indrelid | |
AND i.oid = ix.indexrelid | |
AND a.attrelid = t.oid | |
AND t.relkind = 'r' | |
and t.relname = 'messages' | |
GROUP BY | |
i.relname, | |
ix.indexrelid, | |
ix.indisprimary, | |
ix.indisunique, | |
ix.indkey | |
ORDER BY | |
i.relname; | |
CREATE TABLE IF NOT EXISTS "member" ( | |
"createdAt" TIMESTAMP WITH TIME ZONE NOT NULL, | |
"updatedAt" TIMESTAMP WITH TIME ZONE NOT NULL, | |
"userId" INTEGER REFERENCES "users" ("id") ON DELETE CASCADE ON UPDATE CASCADE, | |
"teamId" INTEGER REFERENCES "teams" ("id") ON DELETE CASCADE ON UPDATE CASCADE, | |
PRIMARY KEY ("userId", "teamId") | |
); | |
SELECT | |
i.relname AS name, | |
ix.indisprimary AS primary, | |
ix.indisunique AS unique, | |
ix.indkey AS indkey, | |
array_agg(a.attnum) as column_indexes, | |
array_agg(a.attname) AS column_names, | |
pg_get_indexdef(ix.indexrelid) AS definition | |
FROM | |
pg_class t, | |
pg_class i, | |
pg_index ix, | |
pg_attribute a | |
WHERE | |
t.oid = ix.indrelid | |
AND i.oid = ix.indexrelid | |
AND a.attrelid = t.oid | |
AND t.relkind = 'r' | |
and t.relname = 'member' | |
GROUP BY | |
i.relname, | |
ix.indexrelid, | |
ix.indisprimary, | |
ix.indisunique, | |
ix.indkey | |
ORDER BY | |
i.relname; |
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