Restructure application

pkg/statements/sql.go

@@ -0,0 +1,47 @@
+package statements
+
+const (
+	PG_DATABASES = `SELECT datname FROM pg_database WHERE NOT datistemplate ORDER BY datname ASC`
+
+	PG_SCHEMAS = `SELECT schema_name FROM information_schema.schemata ORDER BY schema_name ASC`
+
+	PG_INFO = `SELECT
+  session_user
+, current_user
+, current_database()
+, current_schemas(false)
+, inet_client_addr()
+, inet_client_port()
+, inet_server_addr()
+, inet_server_port()
+, version()`
+
+	PG_TABLE_INDEXES = `SELECT indexname, indexdef FROM pg_indexes WHERE tablename = $1`
+
+	PG_TABLE_INFO = `SELECT
+  pg_size_pretty(pg_table_size($1)) AS data_size
+, pg_size_pretty(pg_indexes_size($1)) AS index_size
+, pg_size_pretty(pg_total_relation_size($1)) AS total_size
+, (SELECT reltuples FROM pg_class WHERE oid = $1::regclass) AS rows_count`
+
+	PG_TABLE_SCHEMA = `SELECT
+column_name, data_type, is_nullable, character_maximum_length, character_set_catalog, column_default
+FROM information_schema.columns
+WHERE table_name = $1`
+
+	PG_TABLES = `SELECT table_name FROM information_schema.tables WHERE table_schema = 'public' ORDER BY table_schema,table_name`
+
+	PG_ACTIVITY = `SELECT
+  datname,
+  query,
+  state,
+  waiting,
+  query_start,
+  state_change,
+  pid,
+  datid,
+  application_name,
+  client_addr
+  FROM pg_stat_activity
+  WHERE state IS NOT NULL`
+)